JP4360532B2 - Self-supporting packaging bag manufacturing apparatus, self-supporting packaging bag manufacturing method, and self-supporting packaging bag manufacturing program - Google Patents

Description

  A self-supporting packaging bag, and in particular, a self-supporting packaging bag manufacturing device that continuously manufactures self-supporting packaging bags by using a film and wrapping liquid and powder contents inside the film. The present invention relates to a method for manufacturing a self-supporting packaging bag and a program for manufacturing a self-supporting packaging bag.

  2. Description of the Related Art Conventionally, pump-type containers that use a suitable amount of liquid such as shampoo and hand soap with a pump have been widely used. And in recent years, even if the liquid inside the pump-type container disappears due to the problem of garbage such as disposable containers, the pump-type container has been emptied of the contents filled in a self-supporting packaging bag dedicated to refilling It is possible to reduce waste by refilling and reusing the pump-type container. Conventionally, these self-supporting packaging bag manufacturing methods have been carried out in separate steps for making the self-supporting packaging bag and filling the filling material. That is, prepare a bag that is heat-sealed at the bottom and both sides folded into a W shape and opened only at the top, and in the filling process, the prepared bags are taken out one by one and transported horizontally. However, after filling the bag through the opening, the upper end is heat sealed to seal the bag.

  However, productivity is poor when bag making and filling are separate processes. Therefore, in the same manner as the vertical bag making and filling machine, a bag making and filling method of a self-supporting packaging bag and a self-standing bag making and filling machine (for example, Patent Document 1) that fills a package while forming a packaging film in a cylindrical shape. Have been proposed). According to the bag making and filling and packaging method of the self-supporting packaging bag disclosed in this publication, first, while feeding the cylindrically formed film downward, heat-sealing the both end portions where the films are superimposed, By heat-sealing the tip of the two peaks opposite to the part to be heat-sealed, the parts corresponding to the top and bottom of the self-supporting packaging bag are heat-sealed, and then the filling is put into the film In addition, by heat-sealing the film loaded with the filling in the horizontal direction, a portion corresponding to the side portion of the self-supporting packaging bag is heat-sealed. Since the self-standing packaging bag manufactured by cutting the heat-sealed portion in the horizontal direction is continuously manufactured in the horizontal direction, the bag packaging body can be self-supporting when the posture is changed by 90 degrees.

  In addition, as a bag-making filling and packaging method of a self-standing packaging bag that fills a package while forming another packaging film in a cylindrical shape and a self-standing bag making and filling machine (see, for example, Patent Document 2), packaging of a cylindrical packaging film A back-sealing sealing step for sealing both side ends overlapped along the film running direction to form a back-sealing seal portion, the portion of the tubular packaging film facing the portion where the back-sealing seal portion is applied A hem forming step of forming a pair of hems spaced apart in a circumferential direction of the cylindrical packaging film and along the packaging film running direction; a hem sealing step of sealing the pair of hems to form a pair of hem seal portions; A folding step of folding the cylindrical packaging film inwardly at a circumferential intermediate position of the pair of hem seal portions, a filling step of filling the cylindrical packaging film with a package, and the back sticking A pair of the hem seal portions overlapped by being folded in the folding process at one end and a pair of the hem seal portions placed at the other end, and heat sealing in the lateral direction at a position where the tubular packaging film is spaced apart in the packaging film traveling direction. There is a manufacturing method of a self-supporting packaging bag comprising a horizontal sealing step for forming a horizontal seal portion between the self-supporting packaging bag formed subsequently and the back-sealed seal portion, the hem seal portion and the horizontal seal portion are The upper end seal portion, the bottom seal portion, or the side end seal portion of the self-standing packaging bag, respectively.

That is, since the self-supporting packaging bag is continuously manufactured in the lateral direction by the bag-filling packaging, when the bag packaging body just manufactured is rotated 90 degrees and the back sticking seal portion is turned up, the hem seal portion is lowered, It becomes a self-supporting packaging bag with the hem seal portion as the bottom.
Here, when bag making and filling are separate processes in the manufacturing method of the self-supporting packaging bag, since the filling material is thrown in while the bag having the upper end opened is conveyed in the horizontal direction, garbage or the like enters the bag. Although there is a danger, these Patent Documents 1 and 2 disclose a method for manufacturing a self-supporting packaging bag in which air and dust are less likely to be mixed in the self-supporting packaging bag.

JP 11-152104 A Japanese Laid-Open Patent Publication No. 2001-206307

  However, since both of these Patent Documents 1 and 2 are manufacturing devices that are continuously manufactured in a horizontal direction, seal portions are formed on the left and right side portions of the self-supporting packaging bag, and the periphery of the spout is sealed. . Here, FIG. 19 shows a spout of Patent Documents 1 and 2 as a prior art, and FIG. 20 shows an opening of the spout of FIG. A spout location 400, a tear line 401 for opening the spout, a self-standing packaging bag interior 402, a seal portion 403, and an opening 410 having a spout opened by the tear line 401 are shown. The periphery of the spout location 400 is sealed with a seal portion 403. For this reason, when the opening 410 formed by cutting from the cut line 401 is formed, the seal portions 403 are formed at both ends of the opening 410, so that two seal portions 403 can be formed. The opening 410 is planar and does not have rigidity and is soft so that it is easily closed.

  In particular, the self-supporting packaging bag tends to be inflated with liquid at the time of pouring, so that the force in the closing direction is pulled by the opening 410, and the inner surfaces of the opening 410 tend to be in close contact with each other, so that the liquid tends to close. There is a problem in the dispensing functionality, such as being unable to dispense liquid efficiently unless it is pressed and held down by hand. Furthermore, since the opening 410 has two seal portions 403, the length of the opening 410 becomes long. In particular, when the opening 410 is inserted into the refill port of another container so that the contents do not spill when the content is refilled into another container, if the mouth of the refill container is small, two seals will be There is a problem in that when the contents are refilled, the opening 410 comes into contact with the refill port and is difficult to insert into the refill port.

  Further, when increasing or decreasing the inner volume of the container, it is necessary to change the size of the container. In this case, in the manufacturing method in which the bag making of the conventional self-supporting packaging bag and the filling of the filling material are performed in separate processes, a mold for welding sheets according to the size of the container is required. There is a problem that the number of molds to be welded is required and the cost is increased. In addition, since the self-supporting packaging bags of Patent Documents 1 and 2 are manufacturing devices that are continuously manufactured in the horizontal direction, by changing the lateral width of the self-supporting packaging bags, the inner volume of the container can be increased or decreased with the same device. Therefore, there is no need for molds that are welded as many as the number of containers as in the conventional case, so it may be a bottom cost, but the width of the free-standing packaging bag is changed, so the bottom area is changed. Therefore, when the internal capacity is increased, there is a problem that the bottom area of the container is widened, the area to be displayed on the sales floor is widened, and many products cannot be displayed. Further, when the internal volume is reduced, the bottom area of the container becomes narrow, and it becomes impossible to stably stand on its own, so there is a problem that it is difficult to change the internal volume.

  An object of the present invention is to provide a manufacturing apparatus, a manufacturing method, and a manufacturing program for manufacturing a self-supporting packaging bag having a structure in which the contents of liquids and powders can be easily taken out from a spout by solving the problems of the prior art. It is.

In order to achieve the above object, the self-supporting packaging bag manufacturing apparatus according to the present invention puts the contents into the bag while forming a roll-shaped film into a bag by means of vertical sealing means and horizontal sealing means. An automatic packaging machine for producing a self-supporting packaging bag configured to be sealed,
A film feeding means for feeding a film wound in a roll shape from the roll and feeding the film;
Folding means for folding in parallel with the film feeding direction;
Vertical sealing means for welding so that both side edges of the film overlap in parallel with the film feeding direction;
The top and bottom seals of the self-supporting packaging bag that seals the upper end of the folded and vertically sealed film and the lower end of the following part form the upper part of the self-supporting packaging bag. Is a shape that protrudes, and the seal shape that forms the bottom of the self-supporting packaging bag is a lateral seal means that protrudes toward the bottom of the self-supporting packaging bag ,
The seal joining range of the lateral sealing means includes a joining energy partial changing means capable of partially changing the joining energy,
A content loading means for loading the content into the film that has been sealed at the bottom and folded vertically;
The cutting shape for dividing the upper end seal portion and the lower end seal portion of the subsequent portion into each packaging bag has a dividing means that is one of a curved line, a bent straight line, a straight line and a curved line, and a bent straight line and a curved line. And

Further, in the self-standing packaging bag manufacturing apparatus according to the present invention, the roll wound film is formed into a bag by vertical sealing means and horizontal sealing means, and the contents are put into the bag and sealed. Automatic packaging machine for producing self-supporting packaging bags,
A film feeding means for feeding a film wound in a roll shape from the roll and feeding the film;
Cylindrical means for cylindrically forming the film;
Vertical sealing means for forming the film into a cylindrical body by welding so that both side edges of the cylindrical film overlap;
Folding means for the tubular body that folds parallel to the longitudinal seal direction of the tubular body,
By sealing the upper end of the folded and welded film and the lower end of the trailing part, the horizontal seal part that forms the top and bottom of the self-supporting packaging bag has a seal shape that forms the top of the self-supporting packaging bag. The shape of the seal that forms the bottom of the self-supporting packaging bag is the shape that the spout part protrudes, and the horizontal sealing means that is the shape that protrudes to the bottom of the self-supporting packaging bag ,
The seal joining range of the lateral sealing means includes a joining energy partial changing means capable of partially changing the joining energy,
A content loading means for loading the content into the film that has been sealed at the bottom and folded vertically;
The cutting shape for dividing the upper end seal portion and the lower end seal portion of the subsequent portion into each packaging bag has a dividing means that is one of a curved line, a bent straight line, a straight line and a curved line, and a bent straight line and a curved line. And

The change in the manufacturing apparatus of the self-standing packaging bag according to the present invention, by the bonding energy portion changes means more pressure mechanism in which the heater is incorporated, the bonding energy by changing the temperature and pressing time and pressure Rukoto to is preferred. Further, in the apparatus for manufacturing a self-standing packaging bag according to the present invention, the dividing means Rukoto be cut at high-frequency fusing or ultrasonic fusing is preferable. Further, in the self-standing packaging bag manufacturing apparatus according to the present invention, it is preferable that feed rollers are respectively configured on the upper side and the lower side of the feed direction of the lateral seal means .

Further, in the method for manufacturing a self-supporting packaging bag according to the present invention, the roll wound film is formed into a bag by a vertical sealing process and a horizontal sealing process, and the contents are put into the bag and sealed. A method of manufacturing a self-supporting packaging bag comprising:
A film feeding step of feeding a film wound out of a roll and feeding the film;
Folding vertical sealing process that welds so that both side edges of the folded film overlap in parallel with the film feeding direction;
The seal of the upper end of the folded and vertically sealed film and the lower end of the following part is sealed so that the seal shape that forms the upper part of the self-supporting packaging bag protrudes from the spout of the self-supporting packaging bag,
Further, a horizontal sealing step for sealing the seal shape forming the bottom of the freestanding packaging bag into a shape protruding on the bottom side of the freestanding packaging bag,
The seal joining range of the horizontal sealing process is a joining energy partial changing process capable of partially changing the joining energy,
A content input step for charging the content into the film that has been sealed at the bottom and folded vertically;
Cutting shape for dividing the lower sealing portion of the trailing portion and the upper end seal portion on each packing bag, that Yusuke curves, bends and straight line, straight lines and curves, the dividing step of cutting either fold bent lines and curves It is characterized by that.

Also, in the manufacturing program for the self-supporting packaging bag according to the present invention, the roll-wrapped film is formed into a bag by the vertical sealing process and the horizontal sealing process, and the contents are put into the bag and sealed. A program for manufacturing a self-supporting packaging bag,
A film feed processing procedure for feeding a film wound out of a roll and feeding the film,
Folding vertical seal processing procedure for welding so that both side edges of the folded film overlap in parallel with the film feeding direction;
The seal of the upper end of the folded and vertically sealed film and the lower end of the following part is sealed so that the seal shape that forms the upper part of the self-supporting packaging bag protrudes from the spout of the self-supporting packaging bag,
Furthermore, a lateral seal processing procedure for sealing the seal shape forming the bottom of the freestanding packaging bag into a shape protruding on the bottom side of the freestanding packaging bag,
The seal joining range of the transverse seal processing procedure is a joining energy partial change processing procedure capable of partially changing the joining energy,
A content input processing procedure for charging the content into the film that has been sealed at the bottom and folded vertically,
The cutting shape that divides the upper end seal part and the lower end seal part of the subsequent part into each packaging bag has a division processing procedure that cuts in either a curved line, a bent straight line, a straight line and a curved line, or a bent straight line and a curved line. It is characterized by that.

With the above-described configuration, the upper and bottom seal portions of the self-supporting packaging bag become three-dimensional seal portions. Therefore, the spout is also three-dimensional, so that the spout is difficult to bend and liquid and powder are easily produced uniformly. Further, by forming the cut portion of the spout so as to cut the side surface portion of the container, the pour spout can be rounded similarly to the roundness of the side surface portion of the container.
Moreover, when it comprises in the shape which protrudes the seal-shaped spout which forms the upper part of the self-supporting packaging bag by a horizontal seal means, a spout can be made small. Furthermore, when the cut portion of the spout is configured to cut the side surface portion of the container, the opening portion of the spout has only one seal portion, and the length of the opening portion can be shortened. Therefore, when refilling the contents of a free-standing packaging bag into another container. Since the spout of the self-supporting packaging bag protrudes and the length of the opening can be shortened, the opening is small and easy to pour. Moreover, since the spout which made the shape which the self-supporting type packaging bag protrudes can be inserted in the spout of the refill container, the contents can be refilled in the refill container, and can be refilled without spilling.

In addition, the seal shape that forms the bottom of the self-supporting packaging bag by the lateral sealing means is such that it protrudes toward the bottom side of the self-supporting packaging bag, so that the container bottom area increases and the container bottom becomes parallel to the floor. It becomes easy.
In addition, when increasing the volume of the container, it is possible to increase or decrease the volume of the container with the same device by changing the height of the container. There is no need for a mold for welding as many as the number of containers as in the manufacturing method in which the filling of the objects is performed in separate processes, which is a bottom cost.
Moreover, unlike patent documents 1 and 2, since the height of a self-supporting packaging bag is changed, the bottom area is not changed. Therefore, if the position of the center of gravity of the container when the contents are put is in the range of 1/3 or less of the height of the container, the height of the self-supporting packaging bag is increased and the content is increased without changing the bottom area. Since it is stable and independent, the number of products to be displayed will not decrease. Moreover, even if the internal volume is reduced, the bottom area of the container is the same, so that there is an effect of being stable and independent.

Further, the seal joining range of the lateral sealing means is such that the joining energy control means capable of changing the joining energy partially increases the joining energy of the larger number of folds when the number of left and right folds is different. By lowering the bonding energy of the smaller number of folds, the folded seals having different numbers of folds on the left and right sides can be uniformly sealed.
As described above, according to the self-supporting packaging bag manufacturing apparatus, the self-supporting packaging bag manufacturing method, and the self-supporting packaging bag manufacturing program according to the present invention, the spout is three-dimensional and hardly deformed. It is possible to produce a self-supporting packaging bag in which the contents are easy to pour.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following description, the self-supporting packaging bag for liquid will be described, but it may be a self-supporting packaging bag for viscous body or powder. Further, the present invention is not limited to these drawings. Furthermore, the same reference numerals are used for portions having the same names in different drawings.

Example 1 of the self-supporting packaging bag device of the present invention is shown in FIGS.
FIG. 1 is a block diagram of a self-supporting packaging bag manufacturing apparatus 100. The self-supporting packaging bag manufacturing apparatus 100 includes an apparatus main body 20 including a mechanism for continuously manufacturing self-supporting packaging bags from a film 1, It is configured to be connected to a control unit 30 that controls the components as a whole.
FIG. 2 is a side view of the apparatus main body 20. 3A to 3D are cross-sectional views of the HK portion of the folding mold 7, and are cross-sectional views showing a state in which the film 1 is folded.

First, the apparatus body 20 includes a film 1 drawn from a roll film (not shown), a feed roller 2, a folding die 7 for folding the film 1, a feed roller actuator A23, a feed roller actuator B24, and a feed roller actuator C29. A vertical seal mechanism 10 including an openable / closable feed rollers 3, 4, 5 and a vertical seal heater 21, a horizontal seal heater A25, a horizontal seal heater B26, a cutting blade 12, a cut actuator 27, and a pressure actuator 28. Including a horizontal sealing mechanism 6 including a content charging mechanism 8 including a liquid charging actuator 22, a pipe 9 for charging the contents into a self-supporting packaging bag, a content 300, and an actuator or a sensor for operating these elements. Consists of.

  The main material of the film constituting the self-supporting packaging bag is a multilayer film made of synthetic resin, which can be welded on one side. The thickness of the film is preferably 20 to 500 μm, and the thickness is selected according to the material and application. The multilayer film is a composite film of a base film having strength and various barrier properties and a heat sealable film. For example, the base film is a stretched or unstretched film of a thermoplastic resin plastic such as polyester, polyamide, polypropylene, saponified ethylene / vinyl acetate copolymer. And the thickness of a base film is selected from the thing suitable for the rigidity of 10-50 micrometers, heat resistance, and workability | operativity.

As a preparation for manufacturing a self-supporting packaging bag, a film wound in a roll not shown is prepared. Next, the film 1 is taken out from the roll-shaped film and set on the feed roller 2. Next, the film 1 is passed through the folding mold 7 serving as a folding means, and the vertical seal mechanism 10, the feed rollers 3, 4, 5 and the horizontal seal mechanism. 6, the film 1 is also passed through and the contents are put into the contents input mechanism 8 to prepare. A feed roller 2 serving as a film feeding means, feed rollers 3, 4, 5, and vertical seal mechanism 10 that can be automatically opened and closed constitute a mechanism for feeding the film 1.
When the film 1 is fed to the folding mold 7 by the film feeding means, the folding mold 7 serving as the folding means is folded. The state of being folded by the folding mold 7 will be described with reference to FIG. 3 which is a cross-sectional view of the H-K portion of FIG.

  First, the cross section of H part is (a) of FIG. 3, and is the cross section of the film 1 sent from the feed roller 2, and shows the state which is not folded. The section I is shown in FIG. 3 (b), and is folded little by little by the folding mold 7 as the film 1 is fed in the feeding direction 16. The cross section of the portion J is (c) in FIG. 3, and the fillet 1 is further folded by the folding die 7. The cross section of the K portion is (d) in FIG. 3, and the film 1 is further folded by the folding die 7. Although not shown in the figure, in order to reduce the friction of the folding mold 7, the folding mold 7 may be a net-shaped mold. The contact area with the film 1 can be reduced by the net-like mold. For this reason, since friction can be reduced, it can be folded even if the feed torque of each feed roller is small. Moreover, you may arrange | position a rod-shaped type | mold only in a folding location as a method of reducing friction.

Next, a vertical sealing mechanism 10 serving as a vertical sealing means is a mechanism for sealing so that both side edges of the folded film 1 are overlapped, and an actuator that feeds both side edges of the film 1 in an overlapping manner as necessary. May be used.
The horizontal sealing mechanism 6 including the horizontal sealing means and the dividing means includes a heater for sealing the top and bottom of the self-supporting packaging bag, a cutting blade for dividing the self-supporting packaging bag, and the like.
Detailed description of the lateral seal mechanism 6 will be described with reference to FIGS. 8 to 12 show a case where the shape of the heater that forms the seal shape of the horizontal seal mechanism 6 is a straight line. FIG. 8 is a cross-sectional view of the film immediately before horizontal sealing, and shows a virtual line 51 indicating the center position of the film 50 and folding. FIG. 9 is a front view of the side having the cutting blade 54 of the horizontal seal mechanism. FIG. 10 is a side view of the horizontal seal mechanism. The horizontal seal heater A53, the horizontal seal heater B52, the cutting blade 54, the gap 55 in which the cutting blade 54 can slide, the outer frame 56, the horizontal seal heater A53, and the horizontal seal heater B52 are shown. This is the boundary line 57. FIG. 11 is a three-dimensional view of a self-supporting packaging bag 60 containing the contents manufactured using a structure in which the heaters and cutting blades of the horizontal sealing mechanism 6 are linear. FIG. 12 is a view of an opening 67 serving as a spout cut out by a cut line 66 from the notch 65 of FIG.

  When the folded film is laterally sealed, the right side of the imaginary line 51 in FIG. 8 has one fold, so it is necessary to seal a set of films, and the left side of the imaginary line 51 has two folds. So it is necessary to seal two sets of films. When sealing films with different folds, with the same bonding energy, the bonding energy that can seal a pair of films uniformly is too small to seal two sets of films, resulting in poor welding. May end up. In addition, with the bonding energy that can seal two sets of films uniformly, the energy is too much to seal one set of films, causing problems such as holes in the film. Therefore, the joining energy partial change means is a mechanism for partially changing the joining energy. When the joining energy is heat, sealing is performed by heat welding, and therefore, it is composed of a transverse seal heater B52 and a transverse seal heater A53 of different heaters. The

First, the temperature of the horizontal seal heater B52 for sealing one set of film sides is set lower than the temperature of the horizontal seal heater A53 for sealing two sets of film sides. Next, it can seal uniformly by carrying out horizontal sealing so that the position of the virtual line 51 and the position of the boundary line 57 may match. In the first embodiment, the case of two types of heaters, the horizontal seal heater B52 and the horizontal seal heater A53, is shown, but a plurality of types of heaters may be used depending on the shape and material of the self-standing bag.
Although not shown in the figure, when the horizontal seal heater A53 and the horizontal seal heater B52 are driven separately, and the pressure seal is performed by the horizontal seal heater A53 and then the pressure seal is performed by the horizontal seal heater B52, a plurality of pressure mechanisms are used. The joining energy may be changed by changing the pressurizing time and the applied pressure.

Also, the bonding energy may be high frequency or ultrasonic, and the bonding energy of high frequency welding or ultrasonic welding is high frequency energy or ultrasonic energy. In order to change these, the bonding energy is adjusted by changing the voltage or current. Also good.
Next, the dividing means for dividing each self-supporting packaging bag is to cut the cutting blade 54 at the intermediate position for dividing the bottom seal portion and the upper seal portion against the film by the pressure actuator 28 after transverse sealing. To do.
Further, as another dividing means other than the cutting blade 54, it may be cut by high frequency fusing or ultrasonic fusing, and further, the fusing energy of the fusing part by high frequency fusing or ultrasonic fusing can be partially changed. Also good.

  For example, as shown in FIG. 8, with the same fusing energy, the fusing energy at which one set of films can be fusing uniformly is too small for fusing two sets of films, and may not be cut. Further, with the fusing energy at which two sets of films can be melted uniformly, there is a problem that the flaws are deformed because the fusing energy is too much for fusing one set of films. Therefore, you may comprise so that the fusing energy of a fusing location can be changed partially so that the fusing energy amount of one set of films side may be small and the fusing energy amount of two sets of films side may be increased.

  A three-dimensional view of the self-supporting packaging bag 60 containing the contents produced in this way is shown in FIG. A vertical seal 61, a bottom seal 63, a side surface 62, a top seal 64, a notch 65 serving as an opening, and a tear line 66 are formed. The bottom seal 63 and the top seal 64 are radially sealed in three directions. Since the directional portion is formed, the bottom portion becomes circular, and the self-supporting packaging bag 60 that can stand by itself can be formed. FIG. 12 is a view of an opening 67 serving as a spout cut out from the notch 65 of FIG. 11 by a perforated cut line 66 and is opened. The notch 65, the seal part 64, and the side part 62 are illustrated. Composed. Since the opening 67 is composed of the seal part 64 and the side part 62 at one place, the opening 67 is also opened roundly by the roundness of the side part 62, so that the opening 67 becomes three-dimensional and hardly deformed. It becomes a self-supporting packaging bag.

  Further, in order to facilitate the opening of the self-supporting packaging bag 60 of FIG. 11, the notch 65 and the cut line 66 that has been perforated are described, but the cut line that has been perforated by the notch 65 alone is also described. 66 may be opened using a cutting tool without using not only the notch 65 but also the notched line 66 having the perforation. Next, FIGS. 13 to 17 show a case where the shape of the heater which is the seal shape of the horizontal seal mechanism 6 is a curve. FIG. 13 is a cross-sectional view of the film immediately before horizontal sealing, and shows a virtual line 71 indicating the film 70 and the center position of folding. FIG. 14 is a front view of the side having the cutting blade 74 at the bottom of the horizontal sealing mechanism and the cutting blade 76 at the top. FIG. 15 is a front view of a self-supporting packaging bag 80 in which a vertical seal and a horizontal seal are performed in a flat state where no contents are inserted for the sake of explanation. FIG. 16 is a front view of the self-supporting packaging bag 90 in a state where the content portion is inserted. FIG. 17 shows an opening 91 viewed from the MM direction opened from the notch 85 of the self-supporting packaging bag 90.

FIG. 14 shows a transverse seal heater A73, a transverse seal heater B72, a bottom cutting blade 74, an upper cutting blade 76, a gap 75 in which the bottom cutting blade 74 can slide, a gap 77 in which the upper cutting blade 76 can slide, and the outside. This is a frame 79.
When the folded film is laterally sealed, there is one fold on the right side of the imaginary line 71 in FIG. 13, so it is necessary to seal a set of films, and the left side of the imaginary line 71 has three folds. So it is necessary to seal three sets of films. When sealing films with different folds, with the same bonding energy, the bonding energy that can seal a set of films uniformly is too small to seal three sets of films, resulting in poor welding. There is a case. In addition, with the bonding energy that can seal three sets of films uniformly, there is too much energy to seal a set of films, causing problems such as holes in the film.

  Therefore, the joining energy partial changing means is a mechanism for partially changing the joining energy. When the joining energy is heat, sealing is performed by heat welding, and therefore, the joining energy partial changing means is composed of a transverse seal heater B72 and a transverse seal heater A73 of different heaters. The First, the temperature of the horizontal seal heater B72 that seals one set of film sides is set lower than the temperature of the horizontal seal heater A73 that seals three sets of film sides. Next, it can seal uniformly by carrying out a horizontal seal | sticker so that the position of the virtual line 71 and the position of the boundary line 78 may correspond. In the first embodiment, the case of two types of heaters of the horizontal seal heater B72 and the horizontal seal heater A73 is shown, but a plurality of types of heaters may be used depending on the shape and material of the self-standing bag.

The plan view of the container 80 without the contents shown in FIG. 15 is a vertical seal 81, a bottom seal 83, a protruding angle 87 of the bottom seal 83, a body 82, a top seal 84, and a notch for opening. 85, a film folding portion 88, and a side surface portion 86. The spout is composed of a portion sealed in a shape protruding above the upper seal 84, a side surface portion 86, and a notch 85. When taking out the contents from the container, an opening 91 is formed by opening from the notch 85.
Since the spout is a shape that protrudes from the upper side of the container, it is easy to refill the contents of the self-supporting packaging bag into the refill container, and the opening 91 is composed of one seal part 84 and a side part 86. When opened, the side portion 86 is rounded so that the opening 91 is also rounded and easy to open.

  In addition, the self-standing packaging bag 90 of FIG. 16 has a notch 85 for easy opening, but a perforated cut line (not shown) may be used, or the notch 85 and the sewing machine may be used. A cut line that has been subjected to perforation may be used in combination, and the cut line may be opened using a cutting tool without using the notch 85 or the perforated line. Further, the bottom seal portion 83 protrudes to the lower side of the self-supporting packaging bag with the folded portion 88 of the film as a vertex and is sealed. This is because when the contents are filled in the self-supporting packaging bag, the bottom surface of the self-supporting packaging bag spreads due to the weight of the contents, but if there is no film for the area of the bottom surface, the bottom surface will be uneven, In some cases, the self-supporting packaging bag is stable and difficult to stand on its own.

Therefore, by forming a shape that protrudes in the direction of the bottom in advance for the area where the bottom of the container spreads out, and securing the bottom area, even if the contents are filled in the self-supporting packaging bag, the bottom is not flat. Thus, the self-supporting packaging bag is stable and independent. The protruding angle 87 is represented by 360 degrees / number of parts in the sealing direction. In the case of the self-supporting packaging bag 80, since there are four sealing direction portions, the protruding angle 87 is 90 degrees.
Here, the front view of the self-supporting packaging bag 90 containing the contents is shown in FIG. A vertical seal 81 serving as a grip for making it easier to hold the container, a bottom seal 83, a body 82, an upper seal 84, a notch 85 for opening, and a side surface 86, and a bottom seal 83 The upper seal 84 can be made into a self-supporting packaging bag 90 having a circular bottom at four radial seals. Thus, by making the shape of the heater and the cutting blade of the horizontal seal mechanism 6 into a curve, it is easy to pour, and a self-supporting packaging bag that is stable and independent can be obtained.

Returning to FIG. 1 again, the content input mechanism 8 serving as a content input means contains a liquid such as shampoo or soy sauce to be put into a self-supporting packaging bag, and measures a certain amount by the liquid input actuator 22. Send out to pipe 9.
Next, since the pipe 9 is inserted into the folded sheet 1, the contents 300 can be put inside the sheet 1.

  The control unit 30 is connected to the apparatus main body unit 20, controls each component, folds the film 1 while feeding it, performs vertical sealing, seals the bottom of the self-supporting packaging bag, and inputs the contents The upper part of the self-supporting packaging bag is sealed, and has a function of performing a process of continuously manufacturing the self-supporting packaging bag by dividing into each self-supporting packaging bag, and can be configured by a general computer . The control unit 30 includes a CPU 40, an input unit 35 such as a keyboard or an operation panel, an output unit 36 such as a display, and an external storage device 37. Further, the control unit 30 includes a feed roller I / F 31 to a vertical seal I / F 34 as interfaces corresponding to each actuator such as the feed roller actuator A 23 of the apparatus main body 20 and each heater such as the lateral seal heater A 25. Each component in the control unit 30 is connected to each other by an internal bus.

The CPU 40 has a function of giving an instruction to each actuator such as the feed roller actuator A23 and the lateral seal heater A25 according to a predetermined sequence, and executing a process for continuously manufacturing a self-supporting packaging bag. Software can be used to perform these processes, and a predetermined process can be performed by executing a corresponding self-standing packaging bag manufacturing program. A part of the processing can be executed by hardware.
The functions of the film feed processing unit 41 to the content input processing unit 45 in the CPU 40 will be described below with reference to FIG. 18 which is a flowchart of the manufacturing process procedure of the self-supporting packaging bag. When the self-standing packaging bag manufacturing apparatus 100 is started up, the components of the CPU 40 and the apparatus main body 20 are set to an initial state by an initial setting function (not shown) of the control unit 30. For example, as an initial state, the feed rollers 3, 4, and 5 have a gap between the film 1 and the feed rollers 3, 4, and 5, and are retracted in the opened state and the lateral seal mechanism 6 is also opened. The horizontal seal heater A25, the horizontal seal heater B26, and the vertical seal heater 21 can be turned off.

  Next, a roll of a film not shown in the figure is set, the film 1 is taken out from the roll film, set on the feed roller 2, and then the film 1 is passed through the folding mold 7 serving as a folding means. After passing the film 1 through the longitudinal seal mechanism 10 and the feed rollers 3, 4, 5 and the lateral seal mechanism 6 in an open state, the feed rollers 3, 4, 5 are closed. Next, the contents are put into the contents input mechanism 8. In addition, the input unit 35 is inputted with data including manufacturing conditions, such as each heater temperature, pressurizing time, pressurizing force, contents input amount, and the number of self-supporting packaging bags produced.

When the start button is pressed, the film feeding (P1) process is activated, and the film 1 is fed in the feeding direction 16 by each feeding roller. The next folding / vertical seal (P2) process. When the film 1 is sent to the folding mold 7, the film 1 is folded and then vertically sealed.
The next length L (P3) is measured by a sensor (not shown) and the CPU 40 until the length L of the film 1 necessary for manufacturing one self-supporting packaging bag is sent. Then stop feeding.
In the next horizontal seal (P4) step, only the feed roller 5 applies a rotational torque in the feed direction 16 to pull the film 1. The other feed rollers are stopped. As a result, the film 1 is fixed by the feed roller 4, and the film 1 is pulled in the feed direction by the feed roller 5, so that the film 1 is not slackened. There is no slack in the part to be sealed, and it can be sealed cleanly. The set temperature of the horizontal seal heater A25 and the horizontal seal heater B26 is set so that the heater temperature for sealing a set of films is low and the heater temperature for sealing a plurality of sets of films is set high. Then, the pressure actuator 28 is pressurized and sealed.

In the next film division (P5) step, the cutting blade 12 formed in the horizontal sealing mechanism 6 and the cut actuator 27 for operating the cutting blade 12 are used to divide the upper and bottom seal portions of the container.
From the film feeding (P1) process to the film dividing (P4) process, the bottom of the self-supporting packaging bag to be manufactured first is completed.
In the next film feeding (P6) step, the roller rotates and the film 1 is fed in the feeding direction 16.
In the next folding / vertical sealing (P7) step, the film 1 is fed by the folding mold 7 when the film 1 is fed, and is further vertically sealed by the vertical sealing mechanism 10.

The next length L (P8) is measured by a sensor (not shown) and the CPU 40 until the length L of the film 1 necessary for manufacturing one self-supporting packaging bag is sent. Then stop feeding.
In the next content charging (P9) step, the feed roller 4 and the feed roller 5 are slightly opened so that the liquid from the pipe 9 enters the film 1 having the horizontal seal and the bottom sealed. Thereafter, the liquid charging actuator 22 of the content charging mechanism 8 measures a certain amount of the content and feeds it to the pipe 9. The pipe 9 loads the content 300 into the film 1 whose side seal and bottom are sealed. Thereafter, the feed roller 4 and the feed roller 5 are closed.

  In the next horizontal seal (P10) process, the set temperature of the horizontal seal heater A25 and the horizontal seal heater B26 is low when the heater for sealing a set of films is low, and the heater temperature for sealing a plurality of sets of films is high. Is set. Further, only the feed roller 5 applies rotational torque in the feed direction 16 and pulls the film 1. The other feed rollers are stopped. As a result, the film 1 is fixed by the feed roller 4, and the film 1 is pulled in the feed direction by the feed roller 5, so that the film 1 is not slackened. Since there is no sag in the area to be applied, when the pressure actuator 28 is pressurized and sealed, it can be sealed cleanly.

In the next film division (P11) step, the cutting blade 12 formed in the horizontal sealing mechanism 6 and the cut actuator 27 for operating the cutting blade 12 are used to divide the upper and bottom seal portions of the container.
This process produces a free-standing packaging bag.
When the next n self-supporting bags were made (P12), the CPU 40 counts the number of self-supporting packaging bags set before manufacture and the number of production is not reached. ) Repeat the process and finish when the production number is reached.

In the above, the manufacturing process of the self-supporting packaging bag includes film feed (P1), folding / vertical seal (P2), length L (P3), horizontal seal (P4), film division (P5), film feed (P6). ), Folding / Vertical seal (P7), Length L or P8, Contents input (P9), Horizontal seal (P10), Film division (P11), Whether n self-supporting bags were made (P12) In particular, the folding / vertical seals (P2, P7) are described in the order in which the vertical sealing process is performed after the folding process. In addition, depending on the roll-shaped film in which the film to be used is rolled or the configuration of the apparatus, these procedures may be omitted or the order may be changed. For example, when a roll-shaped film that has been folded in advance is used, the film is already folded, so that the folding step is not necessary. In addition, when the folding process is performed after the film is formed into a cylindrical shape and vertically folded as in the apparatus of Example 2 described below, the folding / vertical sealing (P2) process is performed after the vertical sealing process. The folding process may be performed.

A second embodiment of the self-supporting packaging bag apparatus of the present invention is shown in FIGS. 4, 5, 6, and 7.
FIG. 4 is a block diagram of a self-supporting packaging manufacturing apparatus 200. The self-supporting packaging bag manufacturing apparatus 200 includes an apparatus main body 20 including a mechanism for continuously manufacturing self-supporting packaging bags from a film, and each component. It is configured to be connected to a control unit 30 that controls the above as a whole. FIG. 5 is a side view of the apparatus main body 20. FIG. 6 is a front view of the apparatus main body 20. FIG. 7 is a cross-sectional view showing a state in which the film is folded, in which the cross-sectional views of the Q to U portions are shown in (a) to (e) so that the folded state can be seen.

First, the apparatus body 20 includes a feed roller 3 that can be opened and closed, including a film 1 drawn from a roll film (not shown), a feed roller 2, a feed roller actuator A23, a feed roller actuator B24, and a feed roller actuator C29. 4, 5 and the vertical seal mechanism 10 including the vertical seal heater 21, the horizontal seal heater A25, the horizontal seal heater B26, the cutting blade 12, the cut actuator 27, the horizontal seal mechanism 6 including the pressure actuator 28, and the liquid injection actuator 22. A content injection mechanism 8 including a pipe 9 for introducing the content into a self-supporting packaging bag, a folding mechanism 11 including a folding actuator D19 for moving the presser die 15, a pipe die 14, a bar die 13, and a content. 300 and the actuators and sensors that operate these elements. Configured to include a server or the like.

  The main material of the film constituting the self-supporting packaging bag is a multilayer film made of synthetic resin, which can be heat-welded on only one side, and the thickness of the film is preferably 20 to 500 μm and is selected depending on the material and application. The multilayer film is a composite film of a base film having strength and various barrier properties and a heat sealable film. For example, the base film is a stretched or unstretched film of a thermoplastic resin plastic such as polyester, polyamide, polypropylene, saponified ethylene / vinyl acetate copolymer. And the thickness of a base film is selected from the thing suitable for the rigidity of 10-50 micrometers, heat resistance, and workability | operativity. As a preparation for manufacturing a self-supporting packaging bag, a roll film in which a film (not shown) is rolled is prepared.

  Next, the film 1 is taken out of the roll film and set on the feed roller 2. Next, the film 1 is wound around the pipe mold 14 serving as a cylindrical means so as to be cylindrical. Next, it sets so that the both-sides edge part of the film 1 wound cylindrically on the vertical sealing mechanism 10 used as a vertical sealing means may overlap. The vertical seal mechanism 10 is composed of an actuator that feeds the heater and the side edges of the film 1 in an overlapping manner, and is a mechanism that seals and feeds the side edges of the film 1. Next, the film 1 is also passed through the feed rollers 3, 4, 5 and the lateral seal mechanism 6, and the contents are put into the contents input mechanism 8 for preparation. The feed roller 2 serving as the film feed means, the feed rollers 3, 4, 5, and the vertical seal mechanism 10 that can be opened and closed constitute a mechanism for feeding the film 1.

  Next, the folding means are a folding mechanism 11, a pipe mold 14, and a rod mold 13. When the pressing mold 15 is moved to the cylindrical film 1 whose side edges are sealed, the film 1 is connected to the pipe mold 14, the rod mold 13, and the like. Since it is sandwiched between the pressing molds 15, the cylindrical film 1 is folded. This folded state will be described with reference to FIG. 7 which is a cross-sectional view of the Q-U portion of FIG. First, the cross section of the Q portion is (a) of FIG. 7, and an elliptical pipe 9 for feeding contents is provided inside the pipe mold 14. A cross-sectional view in which the film 1 is wound around the outside of the pipe mold 14 in a cylindrical shape, and both side edges of the cylindrical film 1 are sealed by the vertical sealing mechanism 10 and the cylindrical film 1 is not yet folded. Indicates.

  The cross section of the R portion is shown in FIG. 7B, and the holding die 15 is moved toward the pipe die 14 by a folding actuator D19 (not shown). The cylindrical film 1 is sandwiched between a pressing mold 15 and a V-shaped pipe mold 14 and is folded little by little. Here, when the clearance between the presser mold 15 and the pipe mold 14 is too small when the cylindrical film 1 is sandwiched between the presser mold 15 and the pipe mold 14, the friction between the cylindrical film 1, the presser mold 15 and the pipe mold 14 is caused. The cylindrical film 1 cannot be sent. Therefore, although the amount of sandwiching varies depending on the material of the film, the range of 1.5 to 22 times the thickness of the film 1 is good, and 2 to 7 times the thickness of the film 1 is good.

  The cross section of the next S part is (c) of FIG. 3, and since the cylindrical film 1 is folded deeper, the tip of the holding die 15 has an acute angle, and the pipe die 14 has an acute V shape. ing. The cylindrical film 1 is folded deeper by being sandwiched between the pressing mold 15 and the pipe mold 14. Also, the pipe 9 can be configured inside the pipe mold 14 even if the pipe 9 is an ellipse that is long in the height direction of the V-shape and the pipe mold 14 has an acute angle. The cross section of the T portion is (d) in FIG. 3, and the bar mold 13 is positioned at the folding position of the film 1 by the pressing mold 15 and the bar mold 13 which is a bar-shaped mold. The section of the U portion is (e) of FIG. 3, and is a sectional view of a shape in which the feed roller 4 is slightly opened for easy understanding of the state of the film 1. Originally, the feed roller 4 is closed and the film 1 is fed in the feed direction 16 so that the film 1 is folded into a flat shape.

  Next, the horizontal sealing mechanism 6 including the horizontal sealing means and the dividing means includes a heater for sealing the top and bottom of the self-supporting packaging bag, a cutting blade 12 for dividing the self-supporting packaging bag, and the like. The detailed description of the lateral seal mechanism 6 is the same as that of the first embodiment. Next, a content input mechanism 8 serving as a content input means contains liquid such as shampoo or soy sauce to be put into a self-supporting packaging bag, measures a certain amount by the liquid input actuator 22 and sends it to the pipe 9. . Here, in the case of a liquid from which the contents are separated, such as a dressing composed of moisture and oil, a stirrer for stirring the contents may be configured. By the pipe 9 configured inside the pipe mold 14, the contents 300 can be put inside the folded sheet 1.

  Returning to FIG. 4 again, the control unit 30 is connected to the apparatus main body unit 20, controls each component, folds the film 1 while feeding it, performs vertical sealing, and then seals the bottom of the self-supporting packaging bag. A general computer that has the function of processing the contents to be charged, sealing the upper part of the self-supporting packaging bag, dividing it into each self-supporting packaging bag, and continuously manufacturing the self-supporting packaging bag. Can be configured. The control unit 30 includes a CPU 40, an input unit 35 such as a keyboard or an operation panel, an output unit 36 such as a display, and an external storage device 37. In addition, the control unit 30 serves as an interface (I / F) corresponding to each actuator such as the feed roller actuator A23 of the apparatus main body unit 20 and each heater such as the lateral seal heater A25, and from the folding I / F 38 to the vertical seal I / F 34. Have Each component in the control unit 30 is connected to each other by an internal bus.

  The CPU 40 has a function of giving instructions to the actuators such as the feed roller actuator A23 and the heaters such as the lateral seal heater A25 in accordance with a predetermined sequence, and executing a process of continuously manufacturing a self-supporting packaging bag. Software can be used to perform these processes, and a predetermined process can be performed by executing a corresponding self-standing packaging bag manufacturing program. A part of the processing can be executed by hardware.

The functions of the film feed processing unit 41 to the content input processing unit 45 in the CPU 40 will be described below with reference to FIG. 18 which is a flowchart of the manufacturing process procedure of the self-supporting packaging bag. When the self-standing packaging bag manufacturing apparatus 200 is started, the components of the CPU 40 and the apparatus main body 20 are set to an initial state by an initial setting function (not shown) of the control unit 30.
For example, as an initial state, the feed rollers 3, 4, and 5 have a gap between the film 1 and the feed rollers 3, 4, and 5, and are retracted in the opened state and the lateral seal mechanism 6 is also opened. The horizontal seal heater A25, the horizontal seal heater B26, and the vertical seal heater 21 can be turned off.

  A roll-shaped film in which a film (not shown) is rolled is set. Next, the film 1 is taken out from the roll film and set on the feed roller 2. Next, the film 1 is wound around the pipe mold 14 serving as a cylindrical means so as to be cylindrical. Next, it sets so that the both-sides edge part of the film 1 wound cylindrically on the vertical sealing mechanism 10 used as a vertical sealing means may overlap. The vertical seal mechanism 10 is composed of an actuator that feeds the heater and the side edges of the film 1 in an overlapping manner, and is a mechanism that seals and sends the side edges of the film 1. Next, the film 1 is also passed through the feed rollers 3, 4, 5 and the lateral seal mechanism 6, and the contents are put into the contents input mechanism 8 for preparation. The feed roller 2 serving as the film feed means, the feed rollers 3, 4, 5, and the vertical seal mechanism 10 that can be opened and closed constitute a mechanism for feeding the film 1.

Next, the folding means includes a folding mechanism 11 including a folding actuator D19 for moving the pressing mold 15, a pipe mold 14, and a rod mold 13. When the pressing mold 15 is moved to the cylindrical film 1 whose side edges are sealed. Since the film 1 is sandwiched between the pipe mold 14, the bar mold 13 and the holding mold 15, the cylindrical film 1 is folded.
In addition, the input unit 35 prepares data including manufacturing conditions, such as each heater temperature, pressurizing time, pressurizing force, contents input amount, and the number of self-supporting packaging bags produced.
When the start button is pressed, the film feeding (P1) process is activated, and after the feeding rollers are closed, the rollers are rotated to feed the film 1 in the feeding direction 16.

The next folding / vertical seal (P2) process. When the film 1 is fed in the feeding direction 16, the cylindrical film 1 is sealed with the pressing die 15 and the pipe while the cylindrical film 1 is vertically sealed with the vertical sealing mechanism 10 so that both side edges overlap. The mold 14 and the bar mold 13 are sandwiched and folded. In the next length L (P3) step, the length L of the film 1 necessary to manufacture one self-supporting packaging bag is measured by a sensor (not shown) and the CPU 40 until the length L is sent. Stop feeding when it becomes.
In the next horizontal sealing (P4) process, only the feed roller 5 applies rotational torque in the feed direction 16, pulls the film 1, and stops the other feed rollers, so that the film 1 is fixed by the feed roller 4 and fed. Since the film 1 is pulled in the feeding direction by the roller 5, there is no slack in the film 1, and the horizontal sealing mechanism 6 does not have slack in the portion to be laterally sealed, and can be sealed cleanly. The set temperature of the horizontal seal heater A25 and the horizontal seal heater B26 is set so that the heater temperature for sealing a set of films is low and the heater temperature for sealing a plurality of sets of films is set high. Then, it is pressurized and sealed by the pressure actuator 28.

In the next film division (P5) step, the cutting blade 12 formed in the horizontal sealing mechanism 6 and the cut actuator 27 for operating the cutting blade 12 are used to divide the upper and bottom seal portions of the container. With this process, the bottom seal of the first self-supporting packaging bag to be manufactured is completed.
In the next film feeding (P6) step, the roller rotates and the film 1 is fed in the feeding direction 16.
What is the next folding / vertical sealing (P7) process? When the film 1 is fed in the feeding direction 16, the cylindrical film 1 is sealed with the pressing die 15 and the pipe while the cylindrical film 1 is vertically sealed with the vertical sealing mechanism 10 so that both side edges overlap. The mold 14 and the bar mold 13 are sandwiched and folded. The next length L (P8) is measured by a sensor (not shown) and the CPU 40 until the length L of the film 1 necessary for manufacturing one self-supporting packaging bag is sent. Then stop feeding.

In the next content charging (P9) step, the feed roller 4 and the feed roller 5 are slightly opened so that the liquid from the pipe 9 enters the film 1 having the horizontal seal and the bottom sealed. Thereafter, the liquid charging actuator 22 of the content charging mechanism 8 measures a certain amount of the content and feeds it to the pipe 9. The pipe 9 loads the content 300 into the film 1 whose side seal and bottom are sealed. Thereafter, the feed roller 4 and the feed roller 5 are closed.
In the next horizontal seal (P10) process, the set temperature of the horizontal seal heater A25 and the horizontal seal heater B26 is low when the heater for sealing a set of films is low, and the heater temperature for sealing a plurality of sets of films is high. Is set. Further, only the feed roller 5 applies rotational torque in the feed direction 16 and pulls the film 1. The other feed rollers are stopped. As a result, the film 1 is fixed by the feed roller 4, and the film 1 is pulled in the feed direction by the feed roller 5, so that the film 1 is not slackened. Since there is no sag in the area to be applied, when the pressure actuator 28 is pressurized and sealed, it can be sealed cleanly.

  In the next film division (P11) step, the cutting blade 12 formed in the horizontal sealing mechanism 6 and the cut actuator 27 for operating the cutting blade 12 are used to divide the upper and bottom seal portions of the container. This process produces a free-standing packaging bag. Next, when the self-supporting bag is made (P12), the CPU 40 counts the number of self-supporting packaging bags set before the production. If the production number is not reached, the film dividing (P11) process is repeated from the film feeding (P6) process, and the process is terminated when the production number is reached.

  In the above, the manufacturing process of the self-supporting packaging bag includes film feed (P1), folding / vertical seal (P2), length L (P3), horizontal seal (P4), film division (P5), film feed (P6). ), Folding / Vertical seal (P7), Length L or P8, Contents input (P9), Horizontal seal (P10), Film division (P11), Whether n self-supporting bags were made (P12) In particular, the folding / vertical seals (P2, P7) have been described to be performed after the vertical sealing process. In addition, depending on the roll-shaped film in which the film to be used is rolled or the configuration of the apparatus, these procedures may be omitted or the order may be changed. For example, when a roll-shaped film folded in advance is used, the folding process is not necessary. Further, depending on the apparatus, the film is not formed into a cylindrical shape, and the vertical seal is performed after the film is folded. Therefore, the folding / vertical seal (P2, P7) may be subjected to the vertical sealing process after the folding process.

The block diagram of the manufacturing apparatus of the self-supporting packaging bag in Example 1 of this invention. The side view of the apparatus main body part in Example 1 of this invention. (A)-(d) is sectional drawing of the folding type | mold in Example 1 of this invention. The block diagram of the manufacturing apparatus of the self-supporting packaging bag in Example 2 of this invention. The side view of the apparatus main body part in Example 2 of this invention. The front view of the apparatus main-body part in Example 2 of this invention. (A)-(e) is sectional drawing of the state folded in Example 2 of this invention. The film sectional view just before carrying out a horizontal seal. The front view of the side with the cutting blade of a horizontal seal mechanism. The side view of a horizontal seal mechanism. A three-dimensional view of a self-contained packaging bag containing the contents. Sectional view of the opening of a self-supporting packaging bag. Sectional drawing of the film just before carrying out a horizontal seal. The front view of the side which has the cutting blade of the bottom part of a horizontal sealing mechanism, and the cutting blade of an upper part. The front view of the self-supporting packaging bag of the plane state which has not put the contents. The front view of the self-supporting packaging bag containing the contents. Sectional drawing of the opening part of a self-supporting packaging bag. The flowchart of the manufacturing processing procedure of a self-supporting packaging bag. The partial enlarged view of the spout used as a prior art. The front view of the opening part which opened the pouring spout of FIG. 19 used as a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Film, 3, 4, 5 Feed roller, 6 Side seal mechanism, 7 Folding type, 8 Content input mechanism, 9 Pipe, 11 Folding mechanism, 12, 54, 74, 76 Cutting blade, 13 Bar type, 14 Pipe type , 20 Device body part, 30 Control part, 35 Input part, 36 Output part, 40 CPU, 53, 73 Horizontal seal heater A, 52, 72 Horizontal seal heater B, 55 Clearance, 56 Outer frame, 57, 78 Boundary line, 60,90 Self-standing packaging bag containing contents, 80 Self-standing packaging bag in a flat state not containing contents, 91 opening, 100,200 Block diagram of manufacturing apparatus for self-standing packaging bag,

Claims (7)

An automatic packaging machine for producing a self-supporting packaging bag configured to put the contents into a bag and seal it while forming a roll-wrapped film into a bag by vertical sealing means and horizontal sealing means,
A film feeding means for feeding a film wound in a roll shape from the roll and feeding the film;
Folding means for folding in parallel with the film feeding direction;
Vertical sealing means for welding so that both side edges of the film overlap in parallel with the film feeding direction;
The top and bottom seals of the self-supporting packaging bag that seals the upper end of the folded and vertically sealed film and the lower end of the following part form the upper part of the self-supporting packaging bag. Is a shape that protrudes, and the seal shape that forms the bottom of the self-supporting packaging bag is a lateral seal means that protrudes toward the bottom of the self-supporting packaging bag ,
The seal joining range of the lateral sealing means includes a joining energy partial changing means capable of partially changing the joining energy,
A content loading means for loading the content into the film that has been sealed at the bottom and folded vertically;
The cutting shape for dividing the upper end seal portion and the lower end seal portion of the subsequent portion into each packaging bag has a dividing means that is one of a curved line, a bent straight line, a straight line and a curved line, and a bent straight line and a curved line. A self-supporting packaging bag manufacturing device.

An automatic packaging machine for producing a self-supporting packaging bag configured to put the contents into a bag and seal it while forming a roll-wrapped film into a bag by vertical sealing means and horizontal sealing means,
A film feeding means for feeding a film wound in a roll shape from the roll and feeding the film;
Cylindrical means for cylindrically forming the film;
Vertical sealing means for forming the film into a cylindrical body by welding so that both side edges of the cylindrical film overlap;
Folding means for the tubular body that folds parallel to the longitudinal seal direction of the tubular body,
By sealing the upper end of the folded and welded film and the lower end of the trailing part, the horizontal seal part that forms the top and bottom of the self-supporting packaging bag has a seal shape that forms the top of the self-supporting packaging bag. The shape of the seal that forms the bottom of the self-supporting packaging bag is the shape that the spout part protrudes, and the horizontal sealing means that is the shape that protrudes to the bottom of the self-supporting packaging bag ,
The seal joining range of the lateral sealing means includes a joining energy partial changing means capable of partially changing the joining energy,
A content loading means for loading the content into the film that has been sealed at the bottom and folded vertically;
The cutting shape for dividing the upper end seal portion and the lower end seal portion of the subsequent portion into each packaging bag has a dividing means that is one of a curved line, a bent straight line, a straight line and a curved line, and a bent straight line and a curved line. A self-supporting packaging bag manufacturing device.
A plurality of pressure mechanism is the bonding energy portion changing means according to the heater is incorporated to claim 1 or 2, characterized in Rukoto changing the bonding energy by changing the temperature and pressing time and pressure Self-supporting packaging bag manufacturing equipment.
The dividing means freestanding packaging bag manufacturing apparatus which is characterized that you cut at the high-frequency fusing or ultrasonic fusing of claim 1 or 2.
In the manufacturing apparatus of the self-supporting packaging bag according to claim 1 or 2 ,
An apparatus for manufacturing a self-supporting packaging bag, characterized in that a feed roller is formed on each of the upper side and lower side of the transverse seal means .

A method of manufacturing a self-supporting packaging bag configured to put the contents into the bag and seal it while forming a roll wound film into a bag by a vertical sealing step and a horizontal sealing step,
A film feeding step of feeding a film wound out of a roll and feeding the film;
Folding vertical sealing process that welds so that both side edges of the folded film overlap in parallel with the film feeding direction;
The seal of the upper end of the folded and vertically sealed film and the lower end of the following part is sealed so that the seal shape that forms the upper part of the self-supporting packaging bag protrudes from the spout of the self-supporting packaging bag,
Further, a horizontal sealing step for sealing the seal shape forming the bottom of the freestanding packaging bag into a shape protruding on the bottom side of the freestanding packaging bag,
The seal joining range of the horizontal sealing process is a joining energy partial changing process capable of partially changing the joining energy,
A content input step for charging the content into the film that has been sealed at the bottom and folded vertically;
Cutting shape for dividing the lower sealing portion of the trailing portion and the upper end seal portion on each packing bag, that Yusuke curves, bends and straight line, straight lines and curves, the dividing step of cutting either fold bent lines and curves A method for producing a self-supporting packaging bag characterized by the above.
A program for manufacturing a self-supporting packaging bag configured to put the contents into a bag and seal it while forming a roll wound film into a bag by a vertical sealing process and a horizontal sealing process,
A film feed processing procedure for feeding a film wound out of a roll and feeding the film,
Folding vertical seal processing procedure for welding so that both side edges of the folded film overlap in parallel with the film feeding direction;
The seal of the upper end of the folded and vertically sealed film and the lower end of the following part is sealed so that the seal shape that forms the upper part of the self-supporting packaging bag protrudes from the spout of the self-supporting packaging bag,
Furthermore, a lateral seal processing procedure for sealing the seal shape forming the bottom of the freestanding packaging bag into a shape protruding on the bottom side of the freestanding packaging bag,
The seal joining range of the transverse seal processing procedure is a joining energy partial change processing procedure capable of partially changing the joining energy,
A content input processing procedure for charging the content into the film that has been sealed at the bottom and folded vertically,
The cutting shape that divides the upper end seal part and the lower end seal part of the subsequent part into each packaging bag has a division processing procedure that cuts in either a curved line, a bent straight line, a straight line and a curved line, or a bent straight line and a curved line. A self-supporting packaging bag manufacturing program .

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