JP7239228B1 - Packaging bag manufacturing method using vertical filling and packaging equipment and vertical filling and packaging equipment - Google Patents

Abstract

Kind Code: A1 A packaging bag with reduced edge misalignment is stably produced by appropriately changing the conveying path of a belt-shaped plastic film unwound from a raw film and by accurately folding the belt-shaped plastic film in two at the center position in the width direction. to manufacture. A rewind roll for a belt-shaped plastic film, a top roll for changing the direction of the belt-shaped plastic film to a conveying posture, a bag-making guide for folding the belt-shaped plastic film in two, and a pair of vertical sealing rolls for forming a vertical sealing portion. , a pair of horizontal seal rolls forming a horizontal seal portion, and a filling nozzle for filling the inner space of the strip-shaped plastic film partitioned by the horizontal seal portion and the vertical seal portion with the item to be packaged. In continuously manufacturing a plurality of packaging bags using a mold filling packaging equipment, a belt-shaped plastic film is produced by performing at least one control of adjustment control of the axial center angle of the top roll and adjustment control of the installation position of the bag making guide. change the transport route of [Selection drawing] Fig. 1

Description

The present invention is a vertical filling method capable of continuously manufacturing a plurality of packaging bags by automatically filling and packaging a content while forming a belt-shaped plastic film continuously unwound from a film raw material into a bag shape. The present invention relates to a packaging bag manufacturing method using packaging equipment and a vertical filling packaging equipment.

Contents consisting of liquids, viscous substances such as food and drink, seasoning liquids, pharmaceuticals, chemicals, viscous substances, powders, granular substances, etc. are automatically filled and packaged while forming a belt-shaped plastic film into a bag. As a vertical filling and packaging equipment capable of continuously manufacturing bags, for example, the one disclosed in Patent Document 1 is known.

In this vertical filling and packaging equipment, a band-shaped plastic film is guided from a film raw roll formed by winding the plastic film into a roll through a film guide mechanism to a bag-making guide, which is a film folding mechanism, and is guided by the bag-making guide. The plastic film is folded in two along the longitudinal direction, then sent out while sandwiching the side edges of the plastic film by a vertical sealing mechanism (vertical sealing roll pair), and heat-sealed to form the plastic film into a cylindrical shape. Then, the cylindrical plastic film is heat-sealed in the horizontal direction by a horizontal sealing mechanism (horizontal seal roll pair) to form a horizontal seal portion that will be the bottom of the packaging bag, and further The plastic film, which is formed in the shape of a cylinder with a bottom, is filled with a liquid or viscous material to be packaged by means of a filling nozzle, and the opening side of the packaging bag is laterally sealed by the lateral sealing mechanism so as to be continuous. It is configured to form a packaging bag.

JP-A-6-8906

In the vertical filling and packaging equipment, when the belt-shaped plastic film is folded in two along the longitudinal direction by the bag-making guide, if the folding position deviates from the center position in the width direction of the plastic film, the side edge The edges are not aligned with each other, and so-called edge misalignment may occur. Therefore, during the test run, the operator adjusted the position of the bag making guide according to the width direction center position of the plastic film used to prevent the occurrence of edge misalignment. In addition, even if the adjustment is performed once, the meandering of the plastic film involved in rewinding causes the center position to shift, resulting in misalignment of the edges.

Therefore, in the present invention, the transport path of the belt-shaped plastic film that is unwound from the original film is changed as appropriate, and the belt-shaped plastic film is accurately folded in two at the center position in the width direction, thereby reducing misalignment. It is an object of the present invention to provide a manufacturing method of a packaging bag using a vertical filling packaging equipment capable of stably manufacturing the packaging bag, and the vertical filling packaging equipment.

In order to achieve the above object, the present invention provides a rewind roll for sequentially rewinding a belt-shaped plastic film from a film raw material wound in a roll, and a belt-shaped plastic film rewound by the rewind roll. A top roll that changes its direction to a forward conveying posture, a bag-making guide that folds the belt-shaped plastic film whose conveying posture has been changed in direction by the top roll into at least two, and a belt-shaped plastic film that has been folded back into at least two are sandwiched. A pair of vertical seal rolls for continuously forming one or more vertical seal portions in the longitudinal direction of the belt-shaped plastic film by applying pressure and heat, and a belt-shaped plastic film having the vertical seal portions formed thereon. , one or more horizontal seal roll pairs that pressurize and heat to form a horizontal seal portion in the width direction of the belt-shaped plastic film, and one horizontal seal portion formed by the horizontal seal roll pair and the vertical seal. The bags are connected to each other by using a vertical filling and packaging equipment equipped with a filling nozzle that fills the inner space of the belt-shaped plastic film partitioned by the vertical sealing part formed by the roll pair with the object to be packaged. In continuously manufacturing multiple packaging bags,
By performing at least one control of adjustment control of the axial core angle of the top roll and adjustment control of the installation position of the bag making guide , the center position of the belt-shaped plastic film in the width direction and the vertical filling packaging equipment A method of manufacturing a packaging bag using vertical filling and packaging equipment, characterized by changing the conveying route of the belt-shaped plastic film so that it coincides with the position of the center of the machine .

Further, the present invention provides a rewind roll for sequentially rewinding a belt-shaped plastic film from a roll-wound original film, and a rewind roll for changing the direction of the belt-shaped plastic film rewound by the rewind roll to a vertical transport posture. a top roll, a bag-making guide for folding back into at least two the belt-shaped plastic film whose conveying attitude has been changed by the top roll, and a belt-shaped plastic film folded into at least two are sandwiched, pressurized and heated. A pair of vertical seal rolls continuously forming one or more vertical seal portions in the longitudinal direction of the belt-shaped plastic film, and a belt-shaped plastic film having the vertical seal portions formed thereon are nipped, pressurized and heated. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the belt-shaped plastic film, and one horizontal seal portion formed by the horizontal seal roll pair and the vertical seal roll pair. a filling nozzle for filling the inner space of the belt-shaped plastic film partitioned by the vertical sealing portion with the object to be packaged, wherein the filling space filled with the object to be packaged is formed by the pair of horizontal sealing rolls. Vertical filling and packaging equipment for continuously manufacturing a plurality of packaging bags in which the upper and lower ends are sealed by sealing at the horizontal seal portion of the
The top roll is held in a horizontal position, and by adjusting the axis angle of the top roll in a horizontal plane or in a plane intersecting the horizontal plane, the center position in the width direction of the belt-shaped plastic film and the vertical position can be adjusted. The vertical filling and packaging equipment is characterized by having an angle adjustment means capable of changing the conveying path of the belt-shaped plastic film so that it matches the position of the center of the machine related to the mold filling and packaging equipment.

In addition, the present invention includes a rewind roll for sequentially rewinding a belt-shaped plastic film from a roll-wound raw film, and a belt-shaped plastic film rewound by the rewind roll in a vertical conveying posture. A top roll to be converted, a bag-making guide for folding back into at least two the belt-shaped plastic film whose conveying posture is changed by the top roll, and a belt-shaped plastic film folded into at least two are sandwiched, pressurized and heated. Then, a pair of vertical seal rolls continuously forming one or more vertical seal portions in the longitudinal direction of the belt-shaped plastic film and the belt-shaped plastic film formed with the vertical seal portions are sandwiched, pressurized and heated. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the belt-shaped plastic film, one horizontal seal portion formed by the horizontal seal roll pair, and the vertical seal roll pair. a filling nozzle for filling an object to be packaged into an inner space of the belt-shaped plastic film partitioned by the vertical seal portion, and the filling space filled with the object to be packaged is formed by the pair of horizontal seal rolls. Vertical filling and packaging equipment for continuously manufacturing a plurality of packaging bags in which the upper and lower ends are sealed by sealing at the horizontal seal portion of the
The bag-making guide includes a guide member that abuts against the inner surface of the belt-shaped plastic film at the center in the width direction, and a guide member that is moved to adjust the installation position of the belt-shaped plastic film. and a moving means capable of changing the conveying route of the belt-shaped plastic film so that the center position of the vertical filling packaging equipment and the position of the center of the machine related to the vertical filling packaging equipment are aligned. Equipment.

Further, the present invention includes a rewind roll for sequentially rewinding a belt-shaped plastic film from a film raw material wound in a roll, and a belt-shaped plastic film rewound by the rewind roll in a vertical conveying posture. A top roll to be converted, a bag-making guide for folding back into at least two the belt-shaped plastic film whose conveying posture is changed by the top roll, and a belt-shaped plastic film folded into at least two are sandwiched, pressurized and heated. Then, a pair of vertical seal rolls continuously forming one or more vertical seal portions in the longitudinal direction of the belt-shaped plastic film and the belt-shaped plastic film formed with the vertical seal portions are sandwiched, pressurized and heated. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the belt-shaped plastic film, one horizontal seal portion formed by the horizontal seal roll pair, and the vertical seal roll pair. a filling nozzle for filling an object to be packaged into an inner space of the belt-shaped plastic film partitioned by the vertical seal portion, and the filling space filled with the object to be packaged is formed by the pair of horizontal seal rolls. Vertical filling and packaging equipment for continuously manufacturing a plurality of packaging bags in which the upper and lower ends are sealed by sealing at the horizontal seal portion of the
The top roll is held in a horizontal position and has an angle adjusting means capable of adjusting the axis angle of the top roll in a horizontal plane or in a plane intersecting the horizontal plane,
The bag-making guide includes a guide member that abuts against the inner surface of the belt-shaped plastic film at the center in the width direction, and a guide member that is moved to adjust the installation position of the belt-shaped plastic film. and a moving means capable of changing the conveying route of the belt-shaped plastic film so that the center position of the vertical filling packaging equipment and the position of the center of the machine related to the vertical filling packaging equipment are aligned. Equipment.

In addition, in the vertical filling and packaging equipment of the present invention,
(1) The angle adjustment means is provided between the bag-making guide and the entry side of the pair of vertical seal rolls, and includes detection means for detecting the conveying path of the belt-shaped plastic film and the top roll as both side shafts. an actuator connected to the roll chocks supported at the ends and moving at least one of the roll chocks together with the top roll in a horizontal plane or in a plane intersecting the horizontal plane; and operating the actuator according to the information detected by the detection means. and a control unit that changes the conveying route of the strip-shaped plastic film by adjusting the axial center angle of the top roll;
(2) The bag-making guides each have an axis perpendicular to the axis of the guide member, parallel to the roll axis of the pair of vertical seal rolls, and abutting on the outer surface of the belt-shaped plastic film. providing a pair of tangential rods;
(3) The pair of rods are arranged on both end sides of the guide member with a gap therebetween, or are arranged upstream or downstream of the arrangement position of the guide member,
(4) The guide member has an axis perpendicular to the axis of the pair of vertical seal rolls, and includes a guide roll whose rotation center is the axis and both ends of the roll axis of the guide roll. and a supporting portion that rotatably supports each;
(5) The guide rolls have sub-guide rolls provided at both ends of the roll shaft and in contact with the inner surface of the strip-shaped plastic film;
(6) The moving means moves the guide member in a direction orthogonal to the axis of the vertical seal roll pair within a plane parallel to a horizontal plane containing the axis of the vertical seal roll pair, or A base that is rotated in a plane parallel to the horizontal plane containing the axis of the pair of seal rolls or tilted with respect to a plane parallel to the plane containing the axis of the pair of vertical seal rolls; detection means for detecting the conveying position on the entrance side of the bag-making guide or the entrance side of the pair of vertical sealing rolls, and operating the base according to the information detected by the detection means to move the guide member together with the base, a control unit that rotates or tilts to adjust the installation position of the guide member to change the conveying path of the belt-shaped plastic film;
is preferred.

According to the present invention, the conveying path of the belt-shaped plastic film is appropriately changed by adjusting the axial angle of the top roll and/or the installation position of the bag-making guide, so that the center position of the belt-shaped plastic film in the width direction and the , the position of the center of the machine related to the vertical filling and packaging equipment can always be matched, and when the belt-shaped plastic film is folded in two at the center position in the width direction, the side edges are accurately overlapped. It is possible to effectively suppress the occurrence of deafness.

In addition, in conventional vertical filling and packaging equipment, in order to suppress meandering due to uneven thickness of the belt-shaped plastic film used, the top roll is arranged at a position about 1000 mm higher than the vertical seal roll, and the top roll and the bag making guide are arranged. However, according to the present invention, the meandering (conveyance path) of the belt-shaped plastic film is controlled by the top roll and/or the bag making guide. Since it can be adjusted, the arrangement position of the top roll can be lowered (approximately -500 mm), and the vertical filling and packaging equipment can be made compact.

Further, according to the present invention, the widthwise center position or side edge position of the belt-shaped plastic film conveyed from the top roll is detected by a detection means such as a CCD camera or a sensor, and the production is performed according to the information obtained by the detection means. By moving the bag guide by means of a moving means, it is possible to adjust the meandering of the belt-shaped plastic film while filling and packaging the packaging bag. Therefore, it is possible to automatically align the belt-shaped plastic film without requiring an operator, and the manufacturing cost of the packaging bag can be reduced.

Further, according to the present invention, the top roll is provided with an angle adjusting means for changing the angle of the axis in the horizontal plane. By detecting the position and moving the top roll (adjusting the angle of the axis) based on the detection result, the conveying path (meandering) of the belt-shaped plastic film can be adjusted. , the belt-shaped plastic film can be accurately folded back in two at the center position in the width direction, and the occurrence of misaligned edges can be suppressed more effectively.

It is a front view showing one embodiment of the vertical filling and packaging equipment of the present invention. FIG. 2 is a plan view of the vertical filling and packaging equipment of FIG. 1; FIG. 2 is a right side view of the vertical filling and packaging equipment of FIG. 1; FIG. 2 is a left side view of the vertical filling and packaging equipment of FIG. 1; FIG. 4 is a diagram showing a method of adjusting the axis line angle of the top roll within its horizontal plane. FIG. 10 is a diagram showing another method of adjusting the axis line angle of the top roll within its horizontal plane; It is (a) a plan view, (b) a front view, and (c) a left side view showing an embodiment of a bag-making guide. FIG. 10 is a diagram showing a state in which the bag-making guide is moved in a direction orthogonal to the axial center of the vertical sealing roll pair within a plane parallel to the horizontal plane including the axial center of the vertical sealing roll pair. FIG. 5 is a diagram showing a state in which the bag-making guide is rotated in a plane parallel to the horizontal plane including the axial center of the pair of vertical seal rolls. Fig. 10 is a plan view showing another embodiment of the bag-making guide; 11 is a diagram showing a state in which the bag-making guide of FIG. 10 is tilted clockwise with respect to a plane parallel to the horizontal plane including the axial center of the pair of vertical sealing rolls. FIG. 11 is a diagram showing a state in which the bag-making guide of FIG. 10 is tilted counterclockwise with respect to a plane parallel to the horizontal plane including the axial center of the pair of vertical sealing rolls. FIG. It is a figure explaining the biting center of a vertical seal roll pair. Fig. 10 is a view showing another embodiment of the bag-making guide, where (a) is a plan view, (b) is a front view, (c) is a left side view (rod is not shown), and (d) is (b). 1 is a cross-sectional view at the AA position of FIG. Fig. 10 is a view showing still another embodiment of the bag-making guide, (a) is a plan view, (b) is a front view, (c) is a left side view (rod is not shown), (d) is (b ) at the BB position. FIG. 10 is a view showing still another embodiment of the bag-making guide, (a) is a plan view, (b) is a cross-sectional view of the guide member, (c) is a left side view (rod not shown), (d) is a front view (rod not shown). FIG. 10 is a diagram showing still another embodiment of the bag-making guide; It is a figure which shows the reference example of the vertical filling packaging equipment of this invention.

The present invention can be applied to any case in which packaging bags are manufactured in one row or in multiple rows (multiple rows) at the same time, but the following explanation will mainly be given as an example of single row filling.

1 to 4 are diagrams schematically showing vertical filling and packaging equipment suitable for carrying out the method according to the present invention, FIG. 1 is a front view of the vertical filling and packaging equipment, FIG. A plan view of the vertical filling and packaging equipment, FIG. 3 is a right side view of the vertical filling and packaging equipment, and FIG. 4 is a left side view of the vertical filling and packaging equipment.

Reference numeral 1 in FIGS. 1 to 4 denotes a raw film formed by winding a belt-shaped plastic film F in a roll shape, and 2 is rotatably supported via a bearing, and the raw film 1 to the belt-shaped plastic film F. 3 and 4 are guide rolls for changing the advancing direction of the rewound belt-shaped plastic film F; 5 is held in a horizontal position to transport the belt-shaped plastic film F vertically It is a top roll that changes direction to (vertical posture). The top roll 5 is composed of a non-driven roll that is rotatably supported via a bearing (not shown) housed in a roll chock 5a. It has an axis L that

The film configuration of the strip-shaped plastic film F is not particularly limited as long as it has at least a base layer and a sealant layer. and a sealant layer made of unstretched polyethylene layer, polypropylene layer or the like. For example, a laminated plastic film obtained by laminating aluminum foil, aluminum alloy foil, vapor-deposited aluminum layer and/or paper can also be preferably used.

Reference numeral 6 in FIGS. 1 to 4 is a bag-making guide that is installed below the top roll 5 and folds in two the strip-shaped plastic film F that has been turned to the vertical conveying posture by the top roll 5. , a pair of vertical seal rolls that hold the edges of the overlapped portion of the belt-shaped plastic film F folded in two, pressurize and heat to continuously form the vertical seal portion S, and 8 is a pair of vertical seal rolls. 7, a pair of horizontal seal rolls that sandwich the belt-shaped plastic film F with the vertical seal portion S formed thereon, and pressurize and heat to form the horizontal seal portion S1 in the width direction of the belt-shaped plastic film F; Further, 9 is provided between the pair of vertical sealing rolls 7 and the top roll 5, and the inner space of the belt-shaped plastic film F partitioned by the horizontal sealing portion S1 and the vertical sealing portion S is filled with the item to be packaged M. A filling nozzle 10 is provided below the pair of horizontal sealing rolls 8, and a pair of cooling rolls 11 for cooling the horizontal sealing portion S1 is provided below the pair of cooling rolls 10, and the bags are connected to each other. It is an inter-running cutter that cuts a plurality of packaged bags at the horizontal sealing portion S1 and separates the individual bags from each other.
In this embodiment, the bag-making guide 6 is arranged downstream of the installation position of the filling nozzle 9, but the bag-making guide 6 may be arranged upstream of the installation position of the filling nozzle 9.

In addition, the horizontal seal roll pair 8 includes one horizontal seal portion S1 that forms an inner space in cooperation with the vertical seal portion S, and the inner space that is sealed after the inner space is filled with the item to be packaged M. It has two functions of alternately forming another horizontal seal portion S1.

Reference numeral 12 in FIGS. 1 to 3 denotes angle adjusting means for adjusting the axis angle θ of the top roll 5 within a horizontal plane or within a plane intersecting the horizontal plane.

The angle adjusting means 12 is provided between the bag-making guide 6 and the entry side of the pair of vertical sealing rolls 7, and detects the center position C in the width direction of the belt-shaped plastic film F or the edge in the width direction. an actuator (hydraulic cylinder, etc.) 12b for moving at least one of the roll chocks 5a supporting the top roll 5 at both shaft ends together with the top roll 5 in a horizontal plane or in a plane intersecting the horizontal plane; and the detection means 12a. Actuator 12b is operated according to the information detected in , and the control unit 12c that changes the conveying path of the belt-shaped plastic film F by adjusting the shaft core angle θ of the top roll 5 is applied. be done. Although the actuator 12b described above moves at least one of the roll chucks 5a together with the top roll 5 within a horizontal plane or within a plane intersecting the horizontal plane, it may be moved within other planes.

The detecting means 12a may be of any type as long as it can detect the center position C in the width direction of the belt-shaped plastic film F or the edge position in the width direction. A method of detecting the width of the belt-shaped plastic film F with a sensor, or a method of irradiating the belt-shaped plastic film F with ultrasonic waves, lasers, etc., and detecting the edge by judging what is transmitted or reflected by the detector. method, etc.) can be used.

The information detected by the detection means 12a (the center position C in the width direction of the belt-shaped plastic film F or the edge position in the width direction) is sent to the control unit 12c as described above, and the deviation from the pre-input set value is detected. When the control unit 12c determines that the deviation from the set value is greater than or equal to the specified range, the control unit 12c computes the axial center angle θ of the top roll 5 from the deviation, and the control unit 12c The actuator 12b is actuated by a command from the portion 12c, and the top roll 5 is moved (adjusted) by the shaft center angle θ.

The axial center angle θ of the top roll 5 is obtained by moving both roll chocks 5a supported at both shaft ends together with the top roll 5 in a horizontal plane as shown in FIG. Both of the roll chocks 5a may be moved together with the top roll 5 in a plane that intersects the horizontal plane.

Further, the axial center angle θ of the top roll 5 is such that when the top roll 5 is held in a horizontal position, one of the roll chocks 5a supporting the both axial ends of the top roll 5 is positioned at the top roll 5 as shown in FIG. One of the roll chocks 5a may be moved together with the top roll 5 in a plane intersecting the horizontal plane.

Here, the conveying path of the belt-shaped plastic film F is the path until the belt-shaped plastic film F rewound on the rewind roll 2 reaches the pair of vertical seal rolls 7. It means that the belt-like plastic film F in the process of being conveyed is shifted in the width direction.

An embodiment of the bag making guide 6 is shown in FIG. As shown in the plan view of FIG. 7(a), the front view of FIG. 7(b) and the left side view of FIG. A pair of rods 6a and 6b are arranged to abut on the outer surface of the belt-shaped plastic film F, and a gap is arranged between the pair of rods 6a and 6b, and the central portion of the belt-shaped plastic film F in the width direction thereof. It has a guide member 6c composed of a non-driven roll that rolls in contact with the inner surface, and a moving means 6d that moves the pair of rods 6a and 6b and the guide member 6c to adjust their installation positions. there is
In this embodiment, the guide member 6c is made of a rollable roll. can also be used.

The pair of rods 6a and 6b have axes L2 and L3 parallel to the roll axis L1 of the vertical seal roll pair 7, respectively. It has an axis L4 oriented perpendicular to L3.

As the moving means 6d, it is connected to a guide member 6c, and the guide member 6c is moved in a direction orthogonal to the axial center L1 of the vertical sealing roll pair 7 within a plane parallel to the horizontal plane including the axial center L1 of the vertical sealing roll pair 7. or tilted with respect to a plane parallel to the horizontal plane including the axial center L1 of the vertical seal roll pair 7, and the conveying path of the belt-like plastic film F is detected on the inlet side of the bag making guide 6. Detecting means 6d2, and the base 6d1 is operated by an actuator (not shown) such as a hydraulic cylinder or a pneumatic cylinder according to information detected by the detecting means 6d2 to move the guide member 6c together with the base 6d1. A configuration comprising a control section 6d3 for changing the conveying path of the strip-shaped plastic film F by adjusting the installation position of the member 6c is applied. In this embodiment, since the pair of rods 6a and 6b and the guide member 6c are integrated via the base 6d1, the moving means 6 moves the pair of rods 6a and 6b together with the base 6d1 (the guide member 6c). 6b moves.

In the present embodiment, the guide member 6c is provided integrally with the pair of rods 6a and 6b through the base 6d1, and the axes L2 and L3 of the rods 6a and 6b and the axis L4 of the guide member 6c are arranged in the same plane. However, the guide member 6c and the pair of rods 6a and 6b may be separate bodies. In this case, the pair of rods 6a and 6b may be positioned upstream or downstream of the guide member 6c. It is also possible to displace the axes L2 and L3 from the axis L4.

The detecting means 6d2 may be of any type as long as it can detect the center position C in the width direction or the side edge position in the width direction of the belt-shaped plastic film F. In this embodiment, the detection means 12a of the angle adjustment means 12 is used as the detection means 6d2, but detection means different from the angle adjustment means 12 may be used.

The information detected by the detection means 6d2 (the center position C in the width direction or the side edge position of the belt-shaped plastic film F) is transmitted to the control section 6d3, and the deviation from the set value input in advance to the control section 6d3 is calculated. . When the control unit 6d3 determines that the deviation from the set value is greater than or equal to the specified range, the control unit 6d3 determines the installation position of the guide member 6c based on the deviation. 6d1 is moved to a predetermined position by an actuator (not shown). In the present embodiment, the control section 12c of the angle adjustment means 12 is used as the control section 6d3, but a control section other than the control section 12c may be used.

As shown in FIG. 8, the guide member 6c constituting the bag-making guide 6 is perpendicular to the axis L1 of the vertical sealing roll pair 7 within a plane parallel to the horizontal plane containing the axis L1 of the vertical sealing roll pair 7. 9, the fulcrum P in a plane parallel to the horizontal plane containing the axial center L1 of the vertical seal roll pair 7 (the case of rotating together with the pair of rods 6a and 6b is exemplified), the installation position can be adjusted.

Further, as shown in FIG. 10, a tilting shaft 6e is provided at the rear end of the base 6d1, and as shown in FIGS. Installation position of the guide member 6c that constitutes the bag-making guide 6 by being tilted with respect to a plane parallel to the horizontal plane including the axial center L1 of the seal roll pair 7 (exemplified by tilting together with the pair of rods 6a and 6b) can also be adjusted.

In the vertical filling and packaging equipment configured as shown in FIGS. 1 to 4 above, as shown in FIGS. Frictional resistance against the roll 5 is changed in the width direction of the belt-shaped plastic film F, or, as shown in FIGS. or by performing both controls at the same time to change the conveying route of the belt-shaped plastic film F, the center position C in the width direction of the belt-shaped plastic film F and the machine center related to the vertical filling packaging equipment C1 can be matched.

Here, the machine center C1 related to the vertical filling and packaging equipment means the biting center between the rolls of the vertical seal roll pair 7 (horizontal seal roll pair 8) as shown in FIG. If the center C1 and the center C in the width direction of the belt-shaped plastic film F are aligned, when the belt-shaped plastic film F is folded into two in the bag-making guide 6 in the longitudinal direction, the ends of the belt-shaped plastic film F in the width direction can be accurately aligned. , and it is possible to effectively suppress occurrence of edge misalignment in the vertical seal portion S formed by the vertical seal roll pair 7 as described later.

When the adjustment control of the shaft core angle θ of the top roll 5 and the adjustment control of the installation position of the guide member 6c of the bag-making guide 6 are performed at the same time, it is possible to expand the change range of the conveying route of the strip-shaped plastic film F. There are advantages to be had. In particular, as shown in FIGS. 11 and 12, when the guide member 6c is tilted, the responsiveness is high, and the center position C in the width direction of the belt-shaped plastic film F and the machine center C1 related to the vertical filling and packaging equipment. can be matched quickly. Further, by providing the bag-making guide 6 at a position 50 to 500 mm, preferably 100 to 300 mm, upstream from the vertical sealing roll 7, responsiveness is enhanced and quick alignment can be performed.

When the guide member 6c is tilted clockwise, the edge of the band-shaped plastic film F shifts as shown in the lower plane of FIG. The edges of the band-shaped plastic film F are displaced as shown in the lower plane of FIG. The tilt angle can be adjusted within a range of about ±10° with respect to the horizontal plane.

Another embodiment of the bag-making guide 6 is shown in FIG. 14A is a plan view, FIG. 14B is a front view, FIG. 14C is a left side view, and FIG. 14D is a cross-sectional view taken along line AA in FIG. The bag-making guide 6 of this embodiment has a pair of rods 6a and 6b that abut against the outer surface of the belt-shaped plastic film F to guide the folding of the belt-shaped plastic film F, and a guide member 6c. The guide member 6c has an axial center L4 perpendicular to the axial center L1 of the vertical seal roll pair 7, contacts the inner surface of the belt-shaped plastic film F at the center in the width direction, and rolls on the bearing 6f1. A non-driven guide roll 6f and support portions 6g and 6h that rotatably support both ends of a roll shaft 6k of the guide roll 6f by bearings 6g1 and 6h1, respectively, are provided at both ends of the roll shaft 6k, and have a belt-like shape. Non-driven sub-guide rolls 6i and 6j that contact the inner surface of the plastic film F and roll integrally with the roll shaft 6k, and the roll shaft 6k is moved or tilted together with the base 6d1 to move or tilt the guide roll 6f and the sub-guide. and moving means for adjusting the installation positions of the rolls 6i and 6j.

In this embodiment, the guide roll 6f and the sub-guide rolls 6i and 6j are configured to rotate separately. 6i and 6j may be configured to rotate integrally with the roll shaft 6k.

Alternatively, the inner surface of the strip-shaped plastic film F may be brought into contact with the guide roll 6f and the leading ends of the support portions 6g and 6h without providing the sub-guide rolls 6i and 6j. In this case, the belt-shaped plastic film F slides while contacting the support portions 6g and 6h. good.

As a moving means, it is connected to support portions 6g and 6h that rotatably support the roll shaft 6k, and moves the shaft center L1 of the vertical seal roll pair 7 within a plane parallel to the horizontal plane including the shaft center L1 of the vertical seal roll pair 7. or rotate in a plane parallel to the horizontal plane containing the axis L1 of the vertical seal roll pair 7, or a plane parallel to the horizontal plane containing the axis L1 of the vertical seal roll pair 7 a detecting means 6d2 (see FIG. 1) for detecting the conveying path of the belt-shaped plastic film F on the entrance side of the bag-making guide 6; and the base 6d1 according to the information detected by the detecting means 6d2. is operated by an actuator such as a hydraulic cylinder or a pneumatic cylinder to move, rotate or tilt the roll shaft 6k together with the base 6d1, thereby adjusting the installation position of the roll shaft 6k to change the conveying path of the belt-shaped plastic film F. The one composed of the control section 6d3 (see FIG. 1) is applied.

The bag-making guide 6 configured in this way, as in the previous embodiment (see FIGS. 8 to 12), is configured to perform vertical sealing within a plane parallel to the horizontal plane including the axial center L1 of the vertical sealing roll pair 7. moving in a direction orthogonal to the axis L1 of the roll pair 7, rotating the roll axis 6k in a plane parallel to the horizontal plane including the axis L1 of the vertical seal roll pair 7, The installation position can be adjusted by tilting with respect to a plane parallel to the horizontal plane including the axial center L1 of the vertical seal roll pair 7, or the like.

Further, in the present embodiment, the guide roll 6f has a barrel-shaped body whose diameter gradually increases from the widthwise end toward the central portion, and the central portion protrudes from the tip portions of the support portions 6g and 6h. (protruding tip T), but it is not limited to this, and may be configured to be flush with the tips of the support portions 6g and 6h.
The surface of the guide roll 6f has an angle θ1 shown in FIG. and the surface of the roll body) is in the range of 1 to 70°, preferably 20 to 60°. As a result, the frictional resistance between the guide roll 6f and the belt-like plastic film F increases at the center of the roll body of the guide roll 6f. The widthwise center position C of the film F moves toward the projecting tip T (easily slides), and the widthwise center position C and the machine center C1 related to the vertical filling and packaging equipment can be aligned. . Therefore, the belt-shaped plastic film F can be folded in two at the center position C in the width direction, and the side edges can be accurately overlapped to effectively suppress the occurrence of edge misalignment.

Still another embodiment of the bag-making guide 6 is shown in FIG. In the bag-making guide 6 of the embodiment shown in FIG. 14, the bag-making guide 6 of this embodiment is configured so that the sub-guide roll 6i can move in the axial center L1 direction of the pair of vertical sealing rolls 7. As shown in FIG. In this embodiment, only the sub-guide roll 6i is movable, but both the sub-guide rolls 6i and 6j may be movable.

The sub-guide roll 6i is provided at the end of the roll shaft 6m different from the roll shaft 6k of the guide roll 6f and the sub-guide roll 6j, and is rotatable integrally with the roll shaft 6m by the bearing 6m1. It is configured to be movable in the axial center L1 direction of the vertical seal roll pair 7 together with the roll shaft 6m by the connected base 6d4. The sub-guide roll 6i detects the conveying path of the belt-shaped plastic film F on the entry side of the bag-making guide 6 by means of the detecting means 6d2, and according to the information detected by the detecting means 6d2, the base 6d4 is moved by a hydraulic cylinder or an air pressure. By being actuated by an actuator such as a cylinder, it moves together with the roll shaft 6m, thereby changing the conveying path of the belt-shaped plastic film F inscribed in the sub-guide roll 6i.

As in the previous embodiment, the guide roll 6f is moved in a direction orthogonal to the axis L1 of the vertical seal roll pair 7 within a plane parallel to the horizontal plane containing the axis L1 of the vertical seal roll pair 7. or rotating the roll shaft 6k in a plane parallel to the horizontal plane containing the axial center L1 of the vertical sealing roll pair 7; However, with the guide roll 6f fixed, the conveying path of the belt-shaped plastic film F can be adjusted only by moving the sub-guide rolls 6i (and 6j). You can change it.

Alternatively, the inner surface of the strip-shaped plastic film F may be brought into contact with the guide roll 6f and the leading ends of the support portions 6g and 6h without providing the sub-guide rolls 6i and 6j. 16(a) to (d) are diagrams showing another embodiment of the bag-making guide 6. FIG. 16(a) is a plan view, FIG. 16(b) is a cross-sectional view of the guide member 6c in FIG. 16(a), and FIG. 16(c) is a left side view of FIG. 16(a). 16(d) is a front view of FIG. 16(a). In the bag-making guide 6 of this embodiment, the protruding tip T of the guide roll 6f protrudes more than the tips of the support portions 6g and 6h, and the strip-shaped plastic film F is arranged between the protruding tip T and the roll bodies located on both sides thereof. It is configured to be wrapped around the According to this, when the roll shaft 6k is moved or tilted together with the guide roll 6f by the moving means, the strip-shaped plastic film F slides toward the projecting tip T along the roll body surface of the guide roll 6f. The center position C in the width direction of the belt-shaped plastic film F and the machine center C1 related to the vertical filling and packaging equipment can be precisely matched.

The surface of the guide roll 6f has an angle θ2 shown in FIG. Constructed in an arc or tapered shape so that the angle formed by a straight line parallel to the axis and passing through the projecting tip T and the surface of the roll body of the guide roll 6f is within the range of 1 to 70°, preferably 20 to 60°. preferably.

The guide roll 6f has a shape as shown in FIG. 17, which has an enlarged diameter portion 6n in which the roll diameter is locally enlarged at the central portion and two winding regions 6p sandwiching the enlarged diameter portion 6n on both sides. You can also apply what you have.

After passing through the bag-making guide 6 as described above, the belt-shaped plastic film F is folded back in two at the center position C in the width direction, and then the side edges 13 that are overlapped by the folding are separated into a pair in FIG. By heating and pressurizing under the rotation of the vertical seal roll pair 7 (extending parallel in the front and back direction of the figure in the horizontal plane. In the figure, only the front side located on the front side is shown.) The facing sealant layers are continuously fused and joined in the longitudinal direction (longitudinal direction) to form the vertical seal portion S, thereby forming the cylindrical body 16 .

Here, the vertical seal roll pair 7 is composed of one drive motor and gear mechanism (not shown) that rotates them in opposite directions at a constant speed, and bearings that support both ends of one of the vertical seal rolls. A pair of, for example, air cylinders are provided to press the block against the bearing blocks which bearing support the other longitudinal seal roll.

The pair of vertical seal rolls 7 has a circular flange-shaped seal bar 7a on its outer peripheral surface and incorporates a heater that contributes to the heating of the seal bar 7a. The pair of vertical sealing rolls 7 seal the overlapping side ends 13 of the band-shaped plastic film F by pressing the front vertical sealing roll toward the rear vertical sealing roll by a pair of cylinders (not shown). It is sandwiched between the bars 7a and heated and pressurized to form a vertical seal portion S, and the cylindrical body 16 is extended downward in FIG. let it run.

In the present embodiment, the vertical sealing roll pair 7 is exemplified by the case of having a driving means, but the vertical sealing roll pair 7 is not provided with a driving means, and the vertical sealing roll pair 7 is positioned upstream and/or downstream of the vertical sealing roll pair 7. A feed roll having a driving means may be provided at a position, and the strip-shaped plastic film F may be fed out by the feed roll. When a feed roll is provided upstream of the pair of vertical seal rolls 7, it is preferable to detect the conveying path of the belt-shaped plastic film F on the entrance side of the feed roll by means of the detection means 6d2 of the moving means 6. .

Further, in the present embodiment, the case of manufacturing a three-sided seal type packaging bag is shown, but in the case of manufacturing a four-sided seal type packaging bag, the vertical seal roll pair 7 is provided with the folded portion of the belt-shaped plastic film F. A seal bar for sealing 14 positions is further provided, and the pair of vertical seal rolls 7 forms a vertical seal portion S on each of the overlapped side end portion 13 and folded portion 14 of the strip-shaped plastic film F. As shown in FIG.

In addition, in the vertical filling and packaging equipment of the embodiment shown in FIGS. As an example, the case of forming the cylindrical body 16 by folding it into two and vertically sealing the overlapping side ends is shown. As shown in FIG. The cylindrical body 16 can also be formed by stacking the belt-shaped plastic films F and F' on the entrance side of the seal roll pair 7 and forming vertical seal portions on both edges in the width direction of the strip-shaped plastic films F and F' involved in the stacking.

The vertical filling and packaging equipment shown in FIG. 2' has a structure that can be slid in the axial direction together with the original film 1, 1', and the transport path (width direction) of the strip-shaped plastic films F, F' Detecting means 20, 20' for detecting the center position C) are provided, and detecting means for detecting the conveying paths (width direction center position C) of the belt-shaped plastic films F, F' on the entrance side of the vertical seal roll pair 7, respectively. 21, 21' are provided, and the rewind rolls 2, 2' are controlled by the control unit 22 according to the information detected by the detection means 20, 20' and/or the detection means 21, 21'. ' along with ', it is possible to align the conveying paths of the belt-shaped plastic films F and F' with each other, thereby suppressing the occurrence of misalignment when the vertical seal portion S is formed. .

The inside of the cylindrical body 16 formed as described above is continuously filled from the filling nozzle 9 with the articles to be packaged M supplied from tanks (not shown) through pumps and supply paths (not shown). In addition to liquids and viscous materials containing no solids, the items M to be packaged include grain particles such as pepper and sesame, liquids and viscous materials including solids such as meat, fish and vegetables, salt and viscous materials. Various substances can be used, such as powders and granules such as pepper, foods and drinks such as fluid solids and semi-solids (silicon, paste, etc.), chemicals, pharmaceuticals, and the like.

A pair of horizontal sealing rolls 8 sandwiches a traveling tubular body 16, and while squeezing out the filled packaging material from a filling nozzle 9 at a predetermined interval in the longitudinal direction of the tubular body 16, By heating and pressurizing the squeezed position to form the horizontal seal portion S1, the packaging bag W is surrounded by the horizontal seal portion S1 at the upper and lower ends and by the vertical seal portion S and the folded portion 14 at the both side ends. The bag can be made in a state where the belt-like plastic film F is connected in the longitudinal direction.

The horizontal seal roll pair 8 extends parallel to the front-rear direction in FIG. It is driven to rotate at a constant speed. For example, the horizontal seal roll pair 8 has a plurality of seal bars 8a positioned at equal intervals on its outer peripheral surface and extending in the axial direction. is sandwiched and heated, a lateral seal portion S1 can be formed over the entire width of the cylindrical body 16 in a direction orthogonal to the running direction.

The pair of horizontal seal rolls 8 performs a box motion operation, which is a combination of up-and-down motions in which the belt-shaped plastic film F moves up and down at regular intervals in the feeding direction in accordance with the opening and closing motions of approaching or separating from the tubular body 16 . It is preferable to do so. Since the box motion type horizontal seal roll pair 8 performs a downward movement while clamping the tubular body 16 and laterally seals, it is possible to secure a sufficient time for lateral sealing, so that the sealing strength of the lateral sealing portion S1 is ensured. Even if the belt-shaped plastic film F is laminated with a material that inhibits heat transfer to the sealant layer, such as aluminum foil or paper, sealing failure (liquid leakage, peeling, etc.) occurs. can be prevented.

Next, the pair of cooling rolls 10 has a plurality of seal bars 10a extending in the axial direction at the same intervals as the pair of horizontal seal rolls 8, and the horizontal seal portion formed by the pair of horizontal seal rolls 5. By pressing the S1 portion with the cooled seal bar 10a, the lateral seal portion S1 can be fixed and stabilized.

Next, the packaging bag W continuously produced through the pair of cooling rolls 10 is cut in the width direction by a cutter 11 between runs, such as a rotary cutter, at approximately the middle position in the running direction of the laterally sealed portion S1, and is cut integrally. Alternatively, it is carried out in a state in which a plurality of bodies are cut off as required, or a plurality of bodies are connected by making perforations at a substantially intermediate position in the running direction of the lateral seal portion S1.

ADVANTAGE OF THE INVENTION According to this invention, the manufacturing method and vertical filling packaging equipment of a packaging bag using the vertical filling packaging equipment which can manufacture efficiently the packaging bag by which the misalignment of the edge was suppressed can be provided.

1 Original film 2, 2' Rewinding rolls 3, 4 Guide rolls 5, 5' Top roll 5a Roll chuck 6 Bag making guides 6a, 6b Rod 6c Guide member 6d Moving means 6d1 Base 6d2 Detecting means 6d3 Control unit 6d4 Base 6e Tilt shaft 6f Guide roll 6f1 Bearings 6g, 6h Support portion 6g1 Bearing 6h1 Bearings 6i, 6j Sub-guide rolls 6k, 6m Roll shaft 6m1 Bearing 6n Expanded diameter portion 6p Winding area 7 Vertical seal roll pair 7a Seal bar 8 Horizontal seal roll pair 8a seal bar 9 filling nozzle 10 cooling roll pair 10a seal bar 11 running cutter 12 angle adjustment means 12a detection means 12b actuator 12c control section 13 side end section 14 folding section 16 cylindrical film 20 roll bodies 21, 21' moving means 20 , 20′, 21, 21′ detection means 22 control unit F, F′ belt-shaped plastic film W packaging bag M packaged object S vertical seal portion S1 horizontal seal portion T projecting tip P fulcrum C center position C1 in the width direction of the belt-shaped plastic film machine center

Claims (16)

A rewind roll for sequentially rewinding a belt-shaped plastic film from a roll-wound original film, and a top roll for changing the direction of the belt-shaped plastic film rewound by the rewind roll to a vertical transport posture, A bag-making guide for folding back into at least two the strip-shaped plastic film whose conveying attitude is changed by the top roll, and a bag-making guide that pinches the strip-shaped plastic film that has been folded back into at least two, pressurizes and heats the strip-shaped plastic film. A vertical seal roll pair that continuously forms one or more vertical seal portions in the longitudinal direction, and a belt-shaped plastic film on which the vertical seal portion is formed are sandwiched, and pressurized and heated to press and heat the belt-shaped plastic film. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the, one horizontal seal portion formed by the horizontal seal roll pair, and a vertical seal portion formed by the vertical seal roll pair A plurality of mutually linked packaging bags are continuously produced by using a vertical filling and packaging equipment equipped with a filling nozzle for filling an inner space of a zoned plastic film with an object to be packaged. hit the
By performing at least one control of adjustment control of the axial core angle of the top roll and adjustment control of the installation position of the bag making guide , the center position of the belt-shaped plastic film in the width direction and the vertical filling packaging equipment A method of manufacturing a packaging bag using vertical filling packaging equipment, characterized in that the conveying route of the belt-shaped plastic film is changed so that it coincides with the position of the center of the machine . A rewind roll for sequentially rewinding a belt-shaped plastic film from a roll-wound original film, and a top roll for changing the direction of the belt-shaped plastic film rewound by the rewind roll to a vertical transport posture, A bag-making guide for folding back into at least two the strip-shaped plastic film whose conveying attitude is changed by the top roll, and a bag-making guide that pinches the strip-shaped plastic film that has been folded back into at least two, pressurizes and heats the strip-shaped plastic film. A vertical seal roll pair that continuously forms one or more vertical seal portions in the longitudinal direction, and a belt-shaped plastic film on which the vertical seal portion is formed are sandwiched, and pressurized and heated to press and heat the belt-shaped plastic film. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the, one horizontal seal portion formed by the horizontal seal roll pair, and a vertical seal portion formed by the vertical seal roll pair a filling nozzle for filling the inner space of the partitioned belt-shaped plastic film with the object to be packaged, and the filling space filled with the object to be packaged is transferred to another horizontal seal portion formed by the pair of horizontal seal rolls. A vertical filling and packaging facility that continuously manufactures a plurality of packaging bags in which the upper and lower ends are sealed by sealing with each other and the bags are linked to each other,
The top roll is held in a horizontal position, and by adjusting the axis angle of the top roll in a horizontal plane or in a plane intersecting the horizontal plane, the center position in the width direction of the belt-shaped plastic film and the vertical position can be adjusted. Vertical filling and packaging equipment, characterized by having an angle adjustment means capable of changing the conveying path of the belt-shaped plastic film so that the position of the center of the machine related to the mold filling and packaging equipment coincides. The angle adjustment means is provided between the bag-making guide and the entry side of the pair of vertical seal rolls, and includes detection means for detecting the conveying path of the strip-shaped plastic film, and the top roll at both axial ends. an actuator connected to supporting roll chocks and moving at least one of the roll chocks together with the top roll in a horizontal plane or in a plane intersecting the horizontal plane; 3. The vertical filling and packaging equipment according to claim 2, further comprising a control section for changing the conveying route of the belt-like plastic film by adjusting the axis angle of the top roll. A rewind roll for sequentially rewinding a belt-shaped plastic film from a roll-wound original film, and a top roll for changing the direction of the belt-shaped plastic film rewound by the rewind roll to a vertical transport posture, A bag-making guide for folding back into at least two the strip-shaped plastic film whose conveying attitude is changed by the top roll, and a bag-making guide that pinches the strip-shaped plastic film that has been folded back into at least two, pressurizes and heats the strip-shaped plastic film. A vertical seal roll pair that continuously forms one or more vertical seal portions in the longitudinal direction, and a belt-shaped plastic film on which the vertical seal portion is formed are sandwiched, and pressurized and heated to press and heat the belt-shaped plastic film. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the, one horizontal seal portion formed by the horizontal seal roll pair, and a vertical seal portion formed by the vertical seal roll pair a filling nozzle for filling the inner space of the partitioned belt-shaped plastic film with the object to be packaged, and the filling space filled with the object to be packaged is filled with another horizontal sealing portion formed by the pair of horizontal sealing rolls. Vertical filling and packaging equipment for continuously manufacturing a plurality of packaging bags in which the upper and lower ends are sealed by sealing and the bags are linked to each other,
The bag-making guide includes a guide member that abuts against the inner surface of the belt-shaped plastic film at the center in the width direction, and a guide member that is moved to adjust the installation position of the belt-shaped plastic film. and a moving means capable of changing the conveying route of the belt-shaped plastic film so that the center position of the vertical filling packaging equipment and the position of the center of the machine related to the vertical filling packaging equipment are aligned. Facility. The bag-making guides each have an axis perpendicular to the axis of the guide member, are parallel to the roll axis of the pair of vertical seal rolls, and are in contact with the outer surface of the strip-shaped plastic film. 5. Vertical filling and packaging equipment according to claim 4, characterized in that it comprises a rod. 6. The pair of rods are arranged on both end sides of the guide member with a gap therebetween, or are arranged upstream or downstream of the arrangement position of the guide member. Vertical filling and packaging equipment as described. The guide member has an axis perpendicular to the roll axis of the pair of vertical seal rolls, a guide roll having the axis as the center of rotation, a support portion that rotatably supports the guide roll, The vertical filling and packaging equipment according to claim 4, characterized by comprising: 8. The vertical filling and packaging equipment according to claim 7, wherein said guide rolls have sub-guide rolls provided at both ends of said roll shaft and in contact with inner surfaces of said belt-shaped plastic film. The moving means moves the guide member in a direction orthogonal to the axis of the vertical seal roll pair within a plane parallel to a horizontal plane including the axis of the vertical seal roll pair, or A base that rotates in a plane parallel to the horizontal plane containing the shaft core or tilts with respect to a plane parallel to the horizontal plane containing the shaft core of the pair of vertical seal rolls, and a conveying path for the belt-shaped plastic film are manufactured. detection means for detecting the entry side of the bag guide or the entry side of the pair of vertical seal rolls; and the base is operated according to the information detected by the detection means to move, rotate , or tilt the guide member together with the base. 9. The vertical filling according to any one of claims 4 to 8, further comprising a control unit that changes the conveying route of the belt-shaped plastic film by adjusting the installation position of the guide member. packaging equipment. A rewind roll for sequentially rewinding a belt-shaped plastic film from a roll-wound original film, and a top roll for changing the direction of the belt-shaped plastic film rewound by the rewind roll to a vertical transport posture, A bag-making guide for folding back into at least two the strip-shaped plastic film whose conveying attitude is changed by the top roll, and a bag-making guide that pinches the strip-shaped plastic film that has been folded back into at least two, pressurizes and heats the strip-shaped plastic film. A vertical seal roll pair that continuously forms one or more vertical seal portions in the longitudinal direction, and a belt-shaped plastic film on which the vertical seal portion is formed are sandwiched, and pressurized and heated to press and heat the belt-shaped plastic film. One or more horizontal seal roll pairs forming a horizontal seal portion in the width direction of the, one horizontal seal portion formed by the horizontal seal roll pair, and a vertical seal portion formed by the vertical seal roll pair a filling nozzle for filling the inner space of the partitioned belt-shaped plastic film with the object to be packaged, and the filling space filled with the object to be packaged is filled with another horizontal sealing portion formed by the pair of horizontal sealing rolls. Vertical filling and packaging equipment for continuously manufacturing a plurality of packaging bags in which the upper and lower ends are sealed by sealing and the bags are linked to each other,
The top roll is held in a horizontal position and has an angle adjusting means capable of adjusting the axis angle of the top roll in a horizontal plane or in a plane intersecting the horizontal plane,
The bag-making guide includes a guide member that abuts against the inner surface of the belt-shaped plastic film at the center in the width direction, and a guide member that is moved to adjust the installation position of the belt-shaped plastic film. and a moving means capable of changing the conveying route of the belt-shaped plastic film so that the center position of the vertical filling packaging equipment and the position of the center of the machine related to the vertical filling packaging equipment are aligned. Facility. The angle adjustment means is provided between the bag-making guide and the entry side of the pair of vertical seal rolls, and includes detection means for detecting the conveying path of the strip-shaped plastic film, and the top roll at both axial ends. an actuator connected to supporting roll chocks and moving at least one of the roll chocks together with the top roll in a horizontal plane or in a plane intersecting the horizontal plane; 11. The vertical filling and packaging equipment according to claim 10, further comprising a control section for changing the conveying path of the belt-shaped plastic film by adjusting the axis angle of the top roll. The bag-making guides each have an axis perpendicular to the axis of the guide member, are parallel to the roll axis of the pair of vertical seal rolls, and are in contact with the outer surface of the strip-shaped plastic film. 11. Vertical filling and packaging equipment according to claim 10, characterized in that it comprises a rod. 13. The pair of rods are arranged on both end sides of the guide member with a gap therebetween, or are arranged upstream or downstream of the arrangement position of the guide member. Vertical filling and packaging equipment as described. The guide member has an axis perpendicular to the roll axis of the pair of vertical seal rolls, a guide roll centered on the axis and both ends of the roll axis of the guide roll are rotatable. 11. The vertical filling and packaging equipment according to claim 10, further comprising: 15. The vertical filling and packaging equipment according to claim 14, wherein the guide rolls have sub-guide rolls provided at both ends of the roll shaft and in contact with the inner surface of the belt-shaped plastic film. The moving means moves the guide member in a direction orthogonal to the axis of the vertical seal roll pair within a plane parallel to a horizontal plane including the axis of the vertical seal roll pair, or A base that rotates in a plane parallel to the horizontal plane including the axis of the pair of vertical seal rolls or tilts with respect to a plane parallel to the horizontal plane including the axis of the pair of vertical seal rolls, and a conveying position of the belt-shaped plastic film detecting means for detecting the entrance side of the bag-making guide or the entrance side of the vertical seal roll pair; 16. The vertical type according to any one of claims 10 to 15, further comprising a control unit that changes the conveying path of the belt-shaped plastic film by tilting and adjusting the installation position of the guide member. Filling and packaging equipment.

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