JP2707932B2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging apparatus for enclosing a package in a film, continuously and automatically packaging and sequentially transporting and transporting a film bag containing the package.

[0002]

2. Description of the Related Art As a packaging device of this type, a film supply device for pulling out and guiding a long film whose upper edge side is open while being folded in a half-folded state, and a tip for pulling out the film as a cutting edge for cutting off the film are chucked. And a film drawer chuck device that repeats a reciprocating operation of chucking and pulling a drawer tip, which is a separation cutting edge, which is moved back again after pulling and sequentially cut and cut, and a film supply device and a film drawer chuck device. A heat sealing device for heat-sealing the film transferred between them, a package storage device for storing a package in a film formed into a bag by the heat sealing, and a film cutting device for cutting a predetermined position of the film Cutting off a film packaging bag containing a package by cutting a predetermined position of the film. Constitute a packaging unit by the cross-sectional device.

In this case, the leading end of a film of a predetermined width folded in a V-shape having an opening at the upper end edge side is chucked and pulled out by a drawer chuck device, and the film is drawn out and supplied from a film supply section. To the film, two vertical seals are applied one after another at a small interval with a heat sealing device at intervals of one bag, and the two vertical seals are cut with a film cutting device in advance, leaving a little upper end of the film between the two vertical seals, The upper opening of the film bag formed between the vertical seals by the vertical seal is opened by the package storage device, the package is put in, and the upper opening of the film bag after the storage of the package has been completed is horizontally laid by the heat sealing device. Seal and seal, cut off the uncut portion that was left in advance, cut it with a cutting device, and cut this new cut edge, which is a new drawing tip, into a film. And the chuck is moved back chuck device out come, then the drawer moves, and sequentially package containing film packaging bag repeating this operation so as to sequentially transport emissions.

[0004]

In such a packaging device, the film pulling chuck device chucks the leading edge of the film and pulls out the film, and the front portion of the drawn film stores the package as described above. It is a packaged film bag.

Therefore, in the case where the film is large and contains a large amount of packages and the weight is increased, the structure in which the film is simply pulled out by the film pull-out chuck device does not allow the film to be transported smoothly, and the packages in the film cannot be transferred. There is a problem that the amount must be limited to a small amount.

[0006] The present invention solves such a problem, and even if the film is large and accommodates a large amount of packages and is heavy, the packaging can be stably and smoothly moved. It is an object of the present invention to provide an excellent packaging device capable of realizing reliable and quick automatic packaging.

[0007]

The gist of the present invention will be described with reference to the accompanying drawings.

[0008] A film supply device 2 for pulling out and guiding a long film 1 having an upper edge open while being folded back in a half-folded state, and a separation and cutting of the film 1 guided and cut sequentially by the film supply device 2 A film pull-out chuck device 21 which repeats a reciprocating operation of chucking and pulling out the drawer tip 1A which is an edge;
A heat sealing device 3 for heat-sealing the film 1 transferred between the film supply device 2 and the film unloading chuck device 21, and a package for accommodating a package 4 in the bag 1 formed by the heat sealing. Object storage device 5 and film cutting device 6 for cutting a predetermined position of film 1
And a cutting device 12 for cutting a predetermined position of the film 1 and separating a film packaging bag 13 containing the package 4.
In the packaging device a consisting of: an endless belt that places the bottom portion of the film packaging bag 13 below the film removal chuck device 21 and moves the film packaging bag 13 in the pulling-out and transporting direction. And a bottom portion of the film 1 whose upper end is held by the package storage device 5 below the package storage device 5 on the base side of the transport device 7. A support bottom plate 14 is provided, and a guide groove 15 for guiding the lower end of the film 1 in front of the upper opening is formed in the support bottom plate 14 along the pull-out and transfer direction of the film 1. This guide groove on the base edge of the transfer
The present invention relates to a packaging device characterized in that 15 groove entrances 15 'are formed.

[0009]

[Action] The chuck portion of the film drawing chuck device 21
24, the leading end portion 1A of the film 1 is chucked and pulled out, and when the film 1 is pulled out, the conveying device 7 composed of an endless belt is operated together with the drawing operation of the film drawing chuck device 21, and the film bag containing the package 4 is opened. It will help transfer 13 drawers.

Then, the subsequent film 1 and the film bag 13 are separated by the separating and cutting device 12 and separated by the cutting device 12, and the separated film bag 13 containing the package 4 is moved toward the leading end of the transfer by the operation of the transfer device 7. Send out.

Accordingly, the transporting device 7 is provided to extend and extend below the packaging storage device 5 where the packages 4 are to be loaded, in order to carry out and transport the film bags 13 thus separated. It cannot be configured to support the bottom of one.

Therefore, a support bottom plate 14 for supporting the bottom of the film 1 whose upper portion is opened and held by the packaging storage device 5 is provided below the packaging storage device 5 on the transport base end side of the transportation device 7. To support.

However, if the bearing bottom plate 14 is a mere plate, the film 1 is not transferred when the film 1 is transferred.
The lower edge is slightly bent on the support bottom plate 14, and when the package 4 is put in this state, the package 4 does not enter the bent lower end portion, and the storage space for the film bag is reduced by the amount of the bend. In some cases, when a large amount of the package 4 is supplied, a downward force (a downward pulling force) acts on the film 1, and the upper edge of the film 1 held by the package storage device 5 or the like may come off. ,
The transfer of the film 1 does not go smoothly. When the lower end portion of the film 1 is bent in this manner, the film 1 is distorted by the heat sealing device 3 and the film cutting device 6 located immediately before the film transfer side, and the heat sealing device 3 is appropriately bent.
In some cases, heat sealing due to heat and longitudinal cutting by the film cutting device 6 cannot be performed satisfactorily. In this respect, in the present invention, the lower edge of the film 1 to be transferred is supported by the support bottom plate 14.
When it is positioned on the upper side, it is inserted into the guide groove 15 from the groove entrance 15 ′, the lower edge of the film 1 does not bend as described above, and it stably bulges even when the package 4 is inserted.
The bottom portion is supported on a support bottom plate 14 so that the above problem does not occur, and the guide groove 15 serves as a guide when the film 1 is transferred, so that the film 1 can be transferred smoothly.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the film 1 having a predetermined width folded in a V-shape is pulled by chucking the leading end 1A of the film 1 with a film extracting chuck device 21.
The film 1 is pulled out from the film supply unit 2 and supplied, and the transported film 1 is heat-sealed one by one with two vertical seals 9 spaced one by one at a small interval as shown in FIG. Apply by 3A.

The space between the two vertical seals 9 is cut by a film cutting device 6 previously provided at a heat sealing device 3A while leaving a little upper end of the film 1, and the vertical seal 9 is used by the vertical seals.
The upper opening of the film bag formed therebetween is opened by the package storage device 5, and the package 4 is loaded.

The upper opening of the film bag 13 containing the package 4 in which the package 4 has been stored is sealed with the horizontal seal 10 by the heat sealing device 3B, and the remaining uncut portion 11 is cut off and cut. The film is then cut at 12, and a new drawer tip 1A, which is the cut edge, is moved back by the film draw chuck device 21 to be chucked and pulled out. And transfer and discharge.

In the packaging device a of the present embodiment having the above-described structure, a holding portion 22 for holding the leading end portion 1A of the cut and cut film 1 is provided at a position where the separating and cutting device 12 is provided. Drawer tip 1A
Is held in a protruding state toward the film transfer direction, and the leading end 1A of the drawer is easily chucked by the chuck portion 24 of the film draw chuck device 21 that moves back from the film transfer direction.

In this embodiment, the rear roller 20 of the front roller 19 and the rear roller 20, which is the film opening end of the package storage device 5 and holds the film 1, is used as the holding portion 22, and the left and right sides of the leading end 1A of the drawer are sandwiched. At the opposing position, a regulating rod 23 is disposed so as to reliably prevent the leading end portion 1A of the film 1 from being distorted or bent to the left or right, and from being spread right and left because the two sheets are aligned.

Next, a description will be given of the conveying device 7 comprising the endless belt and the guide side plate 8 which are the gist of the present invention. In the present embodiment, a film unloading chuck device is provided from below the intermediate position between the front roller 19 and the rear roller 20 of the package storage device 5.
The transfer device 7 including an endless belt of a belt conveyor type is disposed below the end position of the drawer 21. The transport device 7 has rollers 7A and 7B at its front and rear ends, an endless belt 7C wound around the rollers 7A and 7B, and a driving device 16 provided on one end of the roller 7B. The endless belt 7C is driven in synchronization with the pull-out movement of the film pull-out chuck device 21.

Therefore, the film unloading chuck device 21
The film 1 is pulled out by chucking the leading end portion 1A of the film 1 with the chucking portion 24 of the film 1, for example. The front roller 19 and the rear roller 20 of the package storage device 5 are also driven by a torque motor 18 such as the driving device 18.
A drives the film 1 to feed the film 1.

At this time, in the present embodiment, the transport device 7 is operated in synchronization with the pull-out movement of the film pull-out chuck device 21 with the film packaging bag 13 containing the package 4 placed thereon, and the film 1 is fed and transferred. Will help.

When the drawing-out of the film pull-out chuck device 21 is completed and the uncut portion 11 is cut off and cut by the cut-off / cutting device 12, the conveying device 7 is operated again, and the film 4 containing the package 4 cut off in the film transfer direction. The packaging bag 13 is configured to be sent out.

Accordingly, in the present embodiment, the film 1 having the film packaging bag 13 containing the package 4 at the front thereof is moved out of the film feeding device 2 by the front roller.
19, in addition to the feed drive by the rear roller 20 and the draw-out movement by the film draw-out chuck device 21, the film is further transferred by the transfer device 7 while the bottom of the film packaging bag 13 is placed. 4 can be stably and smoothly moved even if the weight is increased.

In order to carry out such a transport of the separated film bags 13, the transport device 7 is provided to extend below the packaging storage device 5 where the package 4 is loaded, and the film bag at the time of loading is provided. 1 cannot be configured to support the bottom. In view of this, a support bottom plate 14 is provided on the transport base end side of the transport device 7 and below the packaging storage device 5 to support the bottom of the film 1 whose upper portion is opened and held by the packaging storage device 5. That is, a support bottom plate 14 is disposed on the side of the transport base end of the transport device 7 located below the package storage device 5 so as to be connected to the transport device 7.

If the support bottom plate 14 is a mere plate, the lower edge of the film 1 will be slightly bent on the support bottom plate 14 when the film 1 is transferred, and the package 4 is loaded in this state. In this case, the package 4 does not enter the bent lower end portion, and the storage space for the film bag is reduced by the amount of the bend. In some cases, when a large amount of the package 4 is supplied, the film 1 has a pulling force (a downward pulling force). ) Works, the upper edge of the film 1 held by the packaging storage device 5 or the like comes off,
Transfer does not go smoothly. When the lower end portion of the film 1 is bent as described above, the heat sealing device 3 and the film cutting device 6 located immediately before the film transport side are located.
As a result, the film 1 may be distorted, causing a problem that the heat sealing by the heat sealing device 3 and the vertical cutting by the film cutting device 6 cannot be properly performed. Then, the bottom of the film 1 is fitted in the center of the support bottom plate 14 along the direction of drawing and transferring the film 1, and the guide groove 15 for guiding the transfer of the film 1 is provided.
Is formed.

Therefore, as described above, the lower edge of the film 1 does not bend, and even if the package 4 is inserted, the film 1 stably bulges, and the bottom is supported on the support bottom plate 14, so that the above problem does not occur. When the film 1 is transported,
The film 15 serves as a guide so that the film 1 can be smoothly transferred.

Further, the groove entrance 15 'is notched in a V-shape so that the film 1 to be transferred is smoothly inserted into the guide groove 15 (groove entrance 15'), and the guide tapered edge 15 "is formed on the support bottom plate.
It is formed at the base edge of the 14 film 1 drawn out and transferred.

Further, guide side plates 8 are erected on the left and right sides of the conveying device 7 and the support bottom plate 14 to prevent the package 4 put in the film packaging bag 13 from spreading the film packaging bag 13 right and left. The inner side of the guide side plate 8 is used as a transfer guide surface so that the transfer of the film packaging bag 13 can be performed stably and smoothly.

The present invention is not limited to the present embodiment, and the configuration of the packaging device to be applied and the configurations of the transporting device 7 and the support bottom plate 14 can be appropriately designed.

[0031]

Since the present invention is constructed as described above, even if the film is large and accommodates a large amount of packages and the weight is large, stable and smooth packaging movement is possible. It is possible to provide an excellent packaging device that can realize reliable and quick automatic packaging.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of the configuration of a packaging apparatus according to an embodiment.

FIG. 2 is a schematic configuration front view of the packaging device of the present embodiment.

FIG. 3 is an explanatory view showing film cutting of the packaging device of the present embodiment.

FIG. 4 is an enlarged schematic explanatory front view of a main part of the present embodiment at the time of chucking before drawing out.

FIG. 5 is an enlarged schematic explanatory front view of a main part of the present embodiment after the main part has been drawn out and before cutting off.

FIG. 6 is an enlarged schematic explanatory side sectional view of a main part of the present embodiment.

FIG. 7 is a schematic enlarged perspective view showing an unloading side of the transport device of the present embodiment.

FIG. 8 is a plan view showing a bearing bottom plate of the present embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 film 1A drawer tip 2 film supply device 3 heat sealing device 4 package 5 package storage device 6 film cutting device 7 bearing transfer device 8 guide side plate 12 cutting and cutting device 13 film packaging bag 21 film pulling chuck device a packaging device

Claims (1)

(57) [Claims] 1. A film supply device which draws out and guides a long film whose upper edge side is open while being folded back in a half-folded state, and a cut-off edge of a film which is guided by the film supply device and cut off sequentially. A film drawing chuck device that repeats a reciprocating operation of chucking and pulling a certain drawing tip portion, a heat sealing device that heat seals a film transferred between the film supply device and the film drawing chuck device, and a heat sealing device. A package storage device that stores a package in a bag-shaped film, a film cutting device that cuts a predetermined position of the film, and a film packaging bag that cuts a predetermined position of the film and stores the package. A packaging device, comprising: a film pull-out chuck device; A transfer device comprising an endless belt for placing the bottom of the film packaging bag and feeding and transferring the film packaging bag in the drawer transfer direction is provided below the position where the device is pulled out and moved. So,
A support bottom plate is provided below the package storage device for supporting the bottom of the film, the top of which is opened and held by the package storage device, and the lower guide of the film before the upper opening is guided by the support bottom plate. A packaging device, characterized in that a groove is formed along the direction in which the film is pulled out and transferred, and a groove entrance of the guide groove is formed in the base end of the film in the support bottom plate.