JP3090350B2 - Film packaging machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film packaging machine.

[0002]

2. Description of the Related Art As a conventional film wrapping machine of this type, for example, as shown in Japanese Utility Model Laid-Open Publication No. 1-160601, a film that is continuously transported is folded, and the folded edges of the film are overlapped with each other vertically. It is known that a film to be sealed is filled in the vertically sealed film and the film is filled horizontally, and this film is horizontally sealed. One example of this is described with reference to FIG. , A holding frame 2 is provided on a side portion thereof.
Is provided so that it can be detached and replaced,
A film guide section 3 and a film folding section 4 are provided at the upper part of the machine base 1.
A vertical seal portion 5, first and second horizontal seal portions 6, 7 and a cutter portion 8 are provided on the front portion of the machine base 1 from the upper side, and a film F is drawn out from one of the film winding ends R. The film F is led out to the film folding portion 4 via the film guiding portion 3, and the film F is folded in the longitudinal direction by the folding guide 9 having the U-shaped end provided on the film folding portion 4. The folded end portions of the film F are heat-sealed with a pair of opposed vertical heat seal rolls 10 and sent out.
The film F is formed into a tubular shape by the vertical seal F1, and the film F is heat-sealed in a horizontal direction by a pair of horizontal heat seal rolls 11 facing the first horizontal seal portion 6, and a bottom is formed by the horizontal seal F2. The filling mechanism 12 fills the film W formed into a bottomed cylindrical shape with a packaged object W such as a food product, and the film F is sent to the film F again, and the side of the second horizontal sealing portion 7 is again moved. The object W to be packaged is sealed by the heat seal roll 11, and then the horizontal seal F2 is cut by the cutter unit 8, whereby the film is packaged, and is taken out and conveyed by a not-shown conveyor or the like.

[0003]

In the above-mentioned prior art film packaging machine, the film F is sent out by the rotation of the vertical heat seal roll 10 and the horizontal heat seal rolls 11. Is provided on the folded end side of the film F, so that it may not be possible to apply a uniform driving force to the film F, and the film F may be shifted or shifted in the lateral direction or the front-rear direction. With each horizontal heat seal roll 11, 11
And may be conveyed to the cutter unit 8. Therefore, in order to increase the rotational speed of each of the heat seal rolls 10, 11, and 11 particularly in order to increase the speed of the sealing and packaging work of the film F, the tension of the film F received from the rotating parts 5, 6, and 7 is increased. As a result, the displacement of the film F in the horizontal direction or the front-rear direction becomes remarkable, and the first horizontal seal portion 6 and the second horizontal sheet portion 7 do not coincide with each other. Part 8
However, there was a problem that the cutting position in the above was shifted.

[0004] Therefore, an object of the present invention is to solve the above-mentioned problems and to provide a film packaging machine capable of speeding up the packaging operation and performing good heat sealing.

[0005]

According to the present invention, a film which is continuously transported is fed to a film folding section, the film is folded by a folding guide of the film folding section, and both edges of the film are overlapped to form a vertical seal section. A pair of opposed vertical heals
Longitudinally sealed by preparative seal rolls, transverse seal by the vertically sealed the film filled with the packed material, the lateral sealing portion vertical sealed film while continuously transported by the longitudinal heat sealing roll transverse heat sealing roll In the film packaging machine for continuous packaging, and located on the film transport direction side of the vertical heat seal roll of the vertical seal portion,
At least a film perpendicular to the film transport direction
A guide member for regulating the movement of the film in the width direction of the film is provided.

Further, the continuously transported film is fed to a film folding section, the film is folded by a folding guide of the film folding section, and the folded edges of the film are overlapped with each other vertically.
The vertical sealing is performed by a pair of vertical heat sealing rolls facing each other in the sealing section, the object to be packaged is filled in the vertically sealed film, and the vertical sealing film is continuously transferred by the vertical heat sealing roll while the horizontal sealing section is being transferred. In the film packaging machine that performs horizontal packaging by continuous sealing, the horizontal sealing section includes a horizontal heat sealing roll of the first horizontal sealing section and a second horizontal section disposed below the first horizontal sealing section. The first heat sealing roll of the sealing portion;
Between the horizontal heat seal roll of the horizontal seal portion and the horizontal heat seal roll of the second horizontal seal portion, at least in the film width direction orthogonal to the film transport direction. Is provided with a guide member for regulating the pressure.

Further, the continuously transported film is sent to a film folding section, the film is folded by a folding guide of the film folding section, and the folded edges of the film are overlapped with each other vertically.
The vertical sealing is performed by a pair of vertical heat sealing rolls facing each other in the sealing section, the object to be packaged is filled in the vertically sealed film, and the vertical sealing film is continuously transferred by the vertical heat sealing roll while the horizontal sealing section is being transferred. In a film packaging machine for performing horizontal sealing by a horizontal heat seal roll and continuously packaging, a cutter section for cutting a horizontal seal portion is provided below the horizontal seal section, and a horizontal heat seal roll of the horizontal seal section and the cutter are provided. At least the width of the film perpendicular to the transport direction of the film between
A guide member for restricting the movement of the film in the direction is provided.

In addition, an adjusting unit is provided for adjusting the interval between the guide members in accordance with the width or thickness of the vertically sealed film.

The guide member is provided so as to be movable on the other side of the guide member with reference to one side of the guide member located at the edge of the vertical seal of the film.

[0010]

According to the above construction, a pair of opposed vertical seal portions is provided.
The vertically sealed film continuously transferred by the vertical heat seal roll of the horizontal seal portion in a state where the movement of the film at least in the width direction of the film perpendicular to the film transfer direction is suppressed by the guide member. It is horizontally sealed by a horizontal heat seal roll and continuously packed, and then cut by a cutter unit.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The same parts as those in FIG. 12 are denoted by the same reference numerals, and the description thereof will be omitted. 1 to 8 show a first embodiment of the present invention, in which a holding frame 2 is provided on a side of a machine base 1 of a film packaging machine. R is provided so as to be detachable and replaceable. A film slack preventing mechanism 14 is provided on the upper part of the machine base 1, and the film F passing through the film slack preventing mechanism 14 is provided.
Guide roll 15 is provided at the upper part of the turn-back part 4,
An adjusting mechanism for moving the folding guide 9 is provided in the folding section 4.
16 are provided. The adjusting mechanism 16 is provided on the upper part of the machine base 1 so as to be able to advance and retreat in a state in which the nut body 17 is prevented from rotating in a direction transverse to the transport direction of the film F, and a screw shaft 18 is screwed onto the nut body 17. Then, a motor 19 for rotating the screw shaft 18 in the forward and reverse directions is mounted on the upper part of the machine base 1, and a return guide 9 having a U-shaped end is mounted on the nut body 17, and is located on both sides of the return guide 9. A bar-shaped transfer guide 20 is provided, and a guide rod 21 extending to an upper position of the horizontal seal portion 6 is hung down from the return guide 9. This guide rod
Nozzle 22 which is attached to 21 and extends to the upper position of horizontal seal part 6
The nozzle 22 fills the film F with an article W to be packaged such as a liquid or a viscous substance by a filling device (not shown). A vertical seal portion 5 sandwiching the guide rod 21 and the nozzle 22
A pair of vertical heat seal rolls 10, 10 are disposed, a bearing stand 23 is mounted on the front of the machine base 1, and the two vertical heat seal rolls 10, 10 are rotatably supported between the bearing bases 23. Also, gears 24, 24 meshing with one of the longitudinal heat seal rolls 10 and the other longitudinal heat seal roll 10 are fixed, and a driven gear 25 is integrally provided on one of the gears 24. A drive gear 27 driven by a drive device 26 provided in the first gear meshes with each other to form a seal member 10A on one side of the two vertical heat seal rolls 10, 10, and a seal member 10A.
The outer peripheral surface of 10A is knurled, and a heater H and a temperature sensor S are built in both longitudinal heat seal rolls 10. The temperature sensor S is made of a platinum resistor or the like whose resistance changes with temperature. Further, a first horizontal seal portion 6 disposed below the vertical seal portion 5 and a second horizontal seal portion 7 disposed below the first horizontal seal portion 6 are each provided with a bearing. Both horizontal heat seal rolls 11,
11 is rotatably supported and a gear 29 meshing with one of the horizontal heat seal rolls 11 and the other horizontal heat seal roll 11 is fixed, and a driven gear 30 is integrally provided on one gear 29, The driven gear 30 is meshed with a driving gear 31 driven by a driving device 26, and seal members 11A are attached to the outer periphery of the two horizontal heat seal rolls 11 at equal angular intervals, and a heater H for heating the seal member 11A therein. , A temperature sensor S, and a platinum resistor whose resistance value changes with temperature is used as the temperature sensor S. A gear 33 of a rotary encoder 32 meshes with a gear 29 of one of the first and second horizontal heat seal rolls 11 to detect the rotation of the horizontal heat seal roll 11, and this rotation is used as an electric signal. To a control unit (not shown). Further, in this example, the driving device 26 is a cam mechanism or the like (not shown).
, The drive gears 27 and 31 are driven to rotate and rotate at a periodic circular speed.

Numeral 34 is a film holding mechanism provided between the vertical seal portion 5 and the first horizontal seal portion 6. The film holding mechanism 34 is a pair of shaft portions 36 which form a pair obliquely downward from the mounting base 35.
A pair of shaft portions 36 are provided so as to sandwich the longitudinal seal F1 side of the film F, and a roller 37 is rotatably provided at the leading end side of the shaft portion 36 to form these pairs. Roller 3
The film F is transported in a state where the vertical sheet F1 side of the film F is sandwiched between 7 and 37. Further, in this example, a pair of rollers 37, 37 are provided one by one at the top and bottom, and a pair of small rollers 37A smaller than the rollers 37 are rotatably provided at the lower portion thereof by a shaft portion 36A. The film F is transported with the vertical seal F1 of the film F held between the small rollers 37A, 37A.

The vertical heat seal roll 10 and the two horizontal heat seal rolls 11, 11 have respective rotating shafts 10B, 11B,
One end of 11B is formed in a hollow,
A rotation shaft 38A of the power supply rotary transformer 38 is connected to one end of each of B, 11B, 11B via a connecting member 38B, and a temperature control rotary transformer 39 is provided at an end of the rotary shaft 38A. The power supply rotary transformer 38 includes a fixed case 40
An annular stator-side iron core 41 is fitted to the inner peripheral wall of the rotor, and a winding 41A is wound around the stator-side iron core 41, and the rotating shaft 38A is opposed to the stator-side iron core 41 at a predetermined interval. A rotating shaft-side iron core 42 is formed on the rotating shaft-side iron core 42, and a winding 42A is wound around the rotating shaft-side iron core 42. The fixed case 40 is fixed to the machine base 1 side via a bracket 43, and Case 40
A rotary shaft 38A is rotatably provided via a bearing 44, and the rotary shaft 38A and the rotary shafts 10B,
The heater H and the winding 42A of the rotating shaft-side iron core 42 are electrically connected by a power supply cord 45 inserted through 11B. The temperature control rotary transformer 39 has the same configuration as the power supply rotary transformer 38, and has an annular stator core 47 fitted on the inner peripheral wall of a fixed case 46, and is wound around the stator core 47. A wire 47A is wound, a rotating shaft-side iron core 48 is formed on the rotating shaft 38A so as to face the stator-side iron core 47 at a predetermined interval, and a winding 48A is wound around the rotating shaft-side iron core 48. The fixed case 46 is fixed to the fixed case 40 of the power supply rotary transformer 38, and the temperature sensor S is connected to the rotary shaft 38A and the lead wires 50 inserted through the rotary shafts 10B and 11B of each heat seal roll. And the winding 48A of the rotating shaft-side iron core 48 are electrically connected. The power supply rotary transformer 38 is connected to an AC power supply 51 and a temperature controller 52 that controls the voltage of the AC power supply 51 to adjust the temperature of the heater H. The temperature control rotary transformer 39 is a converter. The converter 53 is connected to the temperature controller 52 via 53, and the converter 53 converts the output from the temperature control rotary transformer 39 into a CA thermocouple output and outputs it to the temperature controller 52. The controller 52 adjusts the temperature of the heater H. The converter 53 supplies a carrier to the stator-side winding 47A and has a detection bridge circuit (not shown) for detecting a voltage change of the winding 47A.

When a predetermined voltage is applied from the AC power supply 51 to the winding 41A on the stator side of the power supply rotary transformer 38, a voltage is induced on the winding 42A on the opposite rotor side, and this winding is induced. The heater H connected to the line 42A heats up to a predetermined temperature, and outputs a detection signal from the temperature sensor S via the temperature control rotary transformer 39.
From the stator side winding 47 of the temperature control rotary transformer 39 in advance.
In the state where the carrier is supplied to A, the change in the current flowing through the temperature sensor S whose resistance value changes according to the temperature is converted into a change in the voltage induced in the stator-side winding 47A of the temperature control rotary transformer 39 by the converter 53. Is output after being compared with the reference resistance of the detection bridge circuit, and the temperature controller 52 controls the voltage based on this output signal to keep the temperature of the heater H constant.

A vertical heat seal of the vertical seal portion 5 is provided between the first horizontal seal portion 6 and the second horizontal seal portion 7 and between the second horizontal seal portion 7 and the cutter portion 8. Roll 10
Accordingly, guide members 54 for restricting the movement of the film F in a direction orthogonal to the transport direction of the film F on which the vertical seal F1 is transported are provided. The guide member 54 is inserted through a guide table 56 mounted on the machine base 1 and a screw member 57 such that the inner side surface of a rising portion 55 formed on one side abuts on the edge of the film F on the side of the vertical seal F1. It has an adjusting portion composed of an L-shaped positioning plate 59 having a long hole 58 and movable in the lateral direction of the film F, so that the positioning plate 59 abuts on the folded side edge of the film F. The positioning plate 59 is moved with reference to the rising portion 55 positioned at the edge of the vertical seal F1 of the film F, and the guide base is moved via the screw member 57.
By attaching and fixing to the 56, the interval between the guide members 54 is adjusted in accordance with the width of the film F, and the film F always passes through the guide groove 60 of the guide member 54. Then, the folded ends of the film F are heat-sealed by a pair of vertical heat seal rolls 10 and sent out. The film F formed into a cylindrical shape by the vertical seal F1 is transferred to a pair of opposed horizontal seal portions 6. The film F formed into a bottomed cylindrical shape is filled with the article W to be packaged from the nozzle 22 by the horizontal heat seal roll 11, and the film F is fed to the second horizontal film again. The packaged object W is sealed by the horizontal heat seal roll 12 of the sheet portion 7, and then the horizontal seal F2 portion is cut by the cutter portion 8,
Thereby, the film packaging of the article to be packaged W is performed. In this case, first, the film F before the horizontal seal filled with the article to be packaged W is pressed by the roller 37 of the pressing mechanism 34 on the side of the vertical seal F1, and the first horizontal seal portion 6 is kept almost flat.
Sent to Next, the film F that has been horizontally sealed F2 by the horizontal heat seal roll 11 of the horizontal seal portion 6 passes through the guide groove 60 of the guide member 54 provided thereunder.
At this time, the horizontal position of the film F is regulated by the rising portion 55 of the guide table 56 and the positioning plate 59, and the film F is sent to the second horizontal seal portion 7 without causing the film F to be shifted or shifted. The horizontal seal portion 7 performs a horizontal seal F2 at a predetermined position with respect to the film F. Further, the film F sent out from the horizontal seal portion 7 is similarly guided by a guide member 54 provided thereunder. After passing through the groove portion 60, the horizontal seal F2 portion is accurately cut without causing displacement or the like in the cutter portion 8.

As described above, in the above-described embodiment, the film F which is continuously transported is sent to the film folding section 4, and the film F is folded by the folding guide 9 of the film folding section 4, and the both end edges of the film F are folded. Overlapping vertical seal part 5
A vertical seal F1 is formed by a pair of opposed vertical heat seal rolls 10; the film F with the vertical seal F1 is filled with an article to be packaged W; In the film packaging machine for continuous packaging with the seal F2, at least the width direction of the film F is orthogonal to the transport direction of the film F on the transport direction side of the film F sealed by the vertical seal portion 5. Since the guide member 54 for restricting the movement is provided, the film F is moved in the horizontal direction during the conveyance, that is, at least the film orthogonal to the transport direction of the film F.
The film F does not shift or shift in the width direction of the film F, and the film F can be satisfactorily cut by the horizontal seal F2 and the cutter unit 8 after the packaged object W is filled. In addition, the packing material W can be continuously filled with an increase in the rotation speed of each of the heat seal rolls 10, 11, and 11, so that the speed of the packaging operation by the film packaging machine can be increased. Further, since the positioning plate 59 can be moved in the horizontal width direction of the film F by the long holes 58, by moving the positioning plate 59 with reference to the rising portion 55 located at the edge of the vertical seal F1 of the film F, It is possible to correspond to the width of the film F.

FIGS. 9 and 10 show a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. The member 54 has a film F on both sides of the guide table 56.
And an adjusting portion provided with a slide plate 61 that can be inserted into the guide groove 60 of the guide base 56, according to the thickness of the film F. The gap between the guide members 54 is adjusted by attaching and fixing the slide plate 61 with the screw members 57 and the long holes 58, thereby preventing the film F from being detached from the guide grooves 60 and transferring the film F. The movement of the film F in the front-rear direction (thickness direction) which is a direction orthogonal to the direction can also be restricted at the same time.

FIG. 11 shows a third embodiment of the present invention. The same parts as those in the first embodiment are designated by the same reference numerals and the detailed description thereof will be omitted. By connecting a motor 19A via a drive mechanism (not shown) and providing control means 62 for simultaneously controlling the rotational drive of the motor 19A and the motor 19 disposed in the adjusting mechanism 16, the motor 19A can handle the width of the film F. This makes it possible to simultaneously adjust the mounting positions of the folding guide 9 and the positioning plate 59.

It should be noted that the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the present invention. For example, in each of the above-described embodiments, the guide member is a first horizontal seal. Between the portion and the second lateral seal portion;
Although the guide member provided between the second horizontal seal portion and the cutter portion is shown, the guide member may be provided between the vertical seal portion and the horizontal seal portion.

[0020]

According to the present invention, a film which is continuously transported is fed to a film folding section, and the film is folded by a folding guide of the film folding section. Vertically sealed by a vertical heat sealing roll , filling the package in the vertically sealed film, and continuously transferring the vertically sealed film by the vertical heat sealing roll while the horizontal heat of the horizontal sealing portion. In a film packaging machine that performs horizontal sealing and continuous packaging with a seal roll, at least the width direction of the film , which is located on the film transport direction side of the vertical heat seal roll of the vertical seal portion and is orthogonal to the film transport direction <br>/> Provide a guide member that regulates the movement of the film to the
The film is folded by the folding guide of the film folding portion, and the folded edges of the film are overlapped to face the vertical seal portion.
Vertical sealing by a pair of vertical heat sealing rolls , filling the packaged object into the vertically sealed film, and horizontally transferring the vertically sealed film by the horizontal sealing portion while continuously transferring the film by the vertical heat sealing roll. In the film packaging machine for continuous packaging by means of a horizontal heat seal roll of the first horizontal seal portion and the first horizontal seal portion,
A horizontal heat seal roll of the second horizontal seal portion disposed below the horizontal seal portion, and a horizontal heat seal roll of the first horizontal seal portion and a horizontal heat seal roll of the second horizontal seal portion. A guide member that regulates the movement of the film in at least the width direction of the film perpendicular to the direction of transport of the film, and feeds the continuously transported film to the film folding portion; The film is folded back by the folding guide, and the folded edges of the film are overlapped with each other so that a pair of opposed vertical seals of the vertical seal portion are formed.
Longitudinally sealed by preparative seal rolls, transverse seal by the vertically sealed the film filled with the packed material, the lateral sealing portion vertical sealed film while continuously transported by the longitudinal heat sealing roll transverse heat sealing roll In a film packaging machine for continuous packaging, a cutter section for cutting a horizontal seal portion is disposed below the horizontal seal section, and the film is disposed between a horizontal heat seal roll of the horizontal seal section and the cutter section. Small number perpendicular to the transfer direction
At least, by providing a guide member for restricting the movement of the film in the width direction of the film, it is possible to increase the speed of the packaging operation and to provide a film packaging machine capable of performing good heat sealing and cutting. be able to.

In addition, since an adjusting section for adjusting the interval between the guide members according to the width or thickness of the vertically sealed film is provided, the interval between the guide members is adjusted according to the width or thickness of the film. By doing so, the movement of the film in the direction perpendicular to the film transport direction can be reliably regulated.

Further, the guide member is provided so as to be movable on the other side of the guide member with reference to one side of the guide member located at the longitudinal seal edge of the film, so that it corresponds to the width of the film. By adjusting the distance between the guide members, the movement of the film in the width direction with respect to the transport direction of the film can be reliably restricted.

[Brief description of the drawings]

FIG. 1 is a front view of a main part showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing the first embodiment of the present invention.

FIG. 3 is a front view of the film packaging machine showing the first embodiment of the present invention.

FIG. 4 is a perspective view of a guide member showing a second embodiment of the present invention.

FIG. 5 is a schematic explanatory view of a main part showing the first embodiment of the present invention.

FIG. 6 is an explanatory sectional view of a main part showing the first embodiment of the present invention.

FIG. 7 is an enlarged perspective view of a main part showing the first embodiment of the present invention.

FIG. 8 is a schematic explanatory view showing a first embodiment of the present invention.

FIG. 9 is a front view of a main part showing a second embodiment of the present invention.

FIG. 10 is a perspective view of a guide member according to a second embodiment of the present invention.

FIG. 11 is a front view of a film packaging machine showing a third embodiment of the present invention.

FIG. 12 is a front view of a film packaging machine showing a conventional example.

[Explanation of symbols]

 Reference Signs List 4 Film turn-back part 5 Vertical seal part 6 First horizontal seal part (horizontal seal part) 7 Second horizontal seal part (horizontal seal part) 8 Cutter part 9 Folding guide 10 Vertical heat seal roll 10B Rotary shaft 11 Horizontal heat seal Roll 11B Rotary shaft 54 Guide member F Film F1 Vertical seal F2 Horizontal seal W Packaged material

Claims (5)

(57) [Claims] 1. A film which is continuously transported is fed to a film folding section, the film is folded by a folding guide of the film folding section, and the folded edges of the film are overlapped to form a vertical sheet.
The vertically sealed film is vertically sealed by a pair of opposed vertical heat seal rolls , the vertically sealed film is filled with an object to be packaged, and the vertically sealed film is continuously transferred by the vertical heat seal roll while the horizontal seal portion is being sealed. In a film packaging machine that performs horizontal sealing by a horizontal heat seal roll and continuously packs, at least a width of the film , which is located on a side of the vertical heat seal roll in a film transport direction and is orthogonal to a transport direction of the film. A film packaging machine provided with a guide member for restricting movement of a film in a direction . 2. A feed a film which is continuously transferred to the film folded portion, the folded film by the folding guides of the film folded portion, a vertical sea overlapping the turnup end edges of the film
The vertically sealed film is vertically sealed by a pair of opposed vertical heat seal rolls , the vertically sealed film is filled with an object to be packaged, and the vertically sealed film is continuously transferred by the vertical heat seal roll while the horizontal seal portion is being sealed. In the film packaging machine that performs horizontal packaging by continuous sealing, the horizontal sealing section includes a horizontal heat sealing roll of the first horizontal sealing section and a second horizontal section disposed below the first horizontal sealing section. A horizontal heat seal roll of the seal portion, at least orthogonal to the film transfer direction between the horizontal heat seal roll of the first horizontal seal portion and the horizontal heat seal roll of the second horizontal seal portion. A film packaging machine provided with a guide member for regulating the movement of the film in the width direction of the film. 3. A sends a film which is continuously transferred to the film folded portion, the folded film by the folding guides of the film folded portion, a vertical sea overlapping the turnup end edges of the film
The vertically sealed film is vertically sealed by a pair of opposed vertical heat seal rolls , the vertically sealed film is filled with an object to be packaged, and the vertically sealed film is continuously transferred by the vertical heat seal roll while the horizontal seal portion is being sealed. In a film packaging machine for performing horizontal sealing by a horizontal heat seal roll and continuously packaging, a cutter section for cutting a horizontal seal portion is provided below the horizontal seal section, and a horizontal heat seal roll of the horizontal seal section and the cutter are provided. And a guide member for restricting movement of the film in at least a width direction of the film, which is orthogonal to a transport direction of the film. 4. The apparatus according to claim 1, further comprising an adjusting unit that adjusts a distance between the guide members according to a width or a thickness of the vertically sealed film. Film wrapping machine. 5. The apparatus according to claim 1, wherein the guide member is provided so as to be movable on the other side of the guide member with reference to one side of the guide member located at an edge of a vertical seal of the film. The film packaging machine according to any one of claims 1 to 3.