JP3037618B2 - Film roll holding device of bag making and filling 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 holding device provided in a film supply source of a bag making and filling machine for loading and holding a film roll.

[0002]

2. Description of the Related Art Conventionally, as a holding device for loading and holding a film roll employed in a bag making and filling machine, there are Japanese Patent Publication No. 6-49540 and Japanese Utility Model Publication No. Sho 56-24162. The holding devices disclosed in the two publications are configured such that one end of a hollow support is fixed to a support member side in a cantilever manner, and a screw rod having left and right screws screwed on the axis of the hollow support is rotatably supported. A configuration is disclosed in which the set position of the film roll externally fitted to the hollow support is always set to a fixed position by screwing a moving body to the left and right screws and rotating a handle attached to the screw rod. Have been.

[0005] As shown in FIG. 5, the holding device 1 having the above-described structure is mounted on a support member M, for example, by holding devices 1a, 1a,
b are supported and disposed in parallel with each other, and each has a film roll R1, R2, for example, a forward film roll R1.
In contrast, a preliminary film roll R2 is loaded, and the film drawn from the film roll R1 is transported toward a bag making machine for forming the film into a cylindrical shape, and the film drawn from the film roll R1 is used up. Thus, the film is transported by switching to the film roll R2 side.

Here, the film rolls R1 and R2 are set such that the center of the film set is always set at a fixed position with respect to the hollow support of the holding device 1. These film rolls R1 and R2 are manufactured in the manufacturing process. The winding state is not always uniform due to the uneven winding generated in the above and the storage state before use. For this reason, when the winding state is not uniform, for example, when the film drawn from the film rolls R1 and R2 meanders in one direction and shifts from the center of bag making of the bag making machine, or when the film is wound around a paper tube. In the case of the displacement of the center position, the holding devices 1a,
By rotating a position adjustment handle 2 provided at a position distant from the hollow support 1b, the two holding devices 1a and 1b are moved via a position adjustment mechanism (not shown) provided on the cantilever support side of the hollow support. The hollow support is displaced in a direction perpendicular to the direction of drawing out the film, and the holding devices 1a, 1 are moved so that the film transferred toward the bag making machine coincides with the center of the bag making.
The setting is made such that the set position of the film rolls R1, R2 loaded and held in b is shifted from the normal position.

[0005]

However, since the adjusting handle 2 of the position adjusting mechanism for adjusting the position of the film rolls R1, R2 is provided at a position distant from the holding devices 1a, 1b, the rotation of the adjusting handle 2 is performed. The number of components is large, such as the necessity of a rotation transmission mechanism of a position adjustment mechanism connected to the holding devices 1a, 1b from the shafts. Further, since the adjustment handle 12 is provided at a position away from the shaft, it may cause erroneous operation. I was SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-described conventional problems. A film roll in a packaging machine capable of simplifying a position adjusting mechanism and preventing an erroneous operation of adjusting a set position of a film roll. It is an object of the present invention to provide a holding device.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problem, the present invention is directed to a first aspect of the present invention, wherein a long slot is provided in an axial direction of an outer peripheral portion of a hollow support tube into which a film roll is removably mounted. On the axis of the hollow support tube, a hollow screw shaft having left and right screws threaded on the outer peripheral portion is rotatably supported, and the left and right screws of the hollow screw shaft are guided by the long slot holes to form a paper roll. A film loading mechanism is provided so that a pair of clamp members that engage with and hold the opening at the opening end of the tube can be brought into and out of contact with each other, and the hollow support shaft and the hollow screw shaft rotate on the axis inside the hollow screw shaft. An adjustable screw rod having a screw portion extending to the side of the hollow support tube from the coaxial portion and a shaft portion supported as possible is provided, and this screw portion is connected to the support member via an adjusting connection portion, Rotate the adjusting screw rod to move the hollow support tube toward the axis. The film position adjusting mechanism for moving adjusted to provided is that a set position adjustment handle roll holding handle and the film position adjusting mechanism of the film loading mechanism, and a configuration in which the adjusting screw rod and the hollow screw shaft,
According to a second aspect of the present invention, a plurality of film roll support means are provided on the support member side, and a third aspect of the present invention is that the set position adjusting handle of the film position adjusting mechanism is provided for holding a roll of the film loading mechanism. According to a fourth aspect of the present invention, the adjusting plate of the adjusting connecting portion for connecting the adjusting screw rod to the supporting member side is screwed to the screw portion of the adjusting screw rod. The stud pins are fixed to the stud pins set up on the stud pins via stud bolts, and a coil spring is elastically mounted between the holding plate and the adjusting plate screwed to the threaded portion, and the ends of the holding plate are stud bolts. This is a film roll holding device of a bag making and filling machine configured to apply a biasing force to a screw portion with a screw portion by loosely fitting to a screw portion. Therefore, since the roll holding handle of the film loading mechanism and the set position adjusting handle of the film position adjusting mechanism are provided on the axis, not only the film roll loading operation at the same position but also the setting for the film meandering is performed. The position adjustment can be performed visually and accurately and reliably, and in particular, the erroneous operation of adjusting the set position for the conventional film meandering at a remote position can be eliminated, and the quality of bag making can be improved, In addition, it is possible to adjust the set position with a very simple configuration by reducing the number of auxiliary members for remote control. Further, since the roll holding handle is provided to be larger than the set position adjusting handle, it is possible to prevent the film setting position from being shifted by accidentally touching the set position adjusting handle when the roll holding handle is manually operated. Also, even if a plurality of film loading devices are provided and each film roll loaded in the film loading device has a different meandering direction, even if each film loading device is loaded with a film roll, an individual film loading device By independently rotating the set position adjusting handle of the film position adjusting mechanism, the center of film transfer can coincide with the center of bag making, and the film can be normally transferred to the bag making machine. In addition, by connecting the adjusting screw rod to the support member via the adjusting connecting member, the film roll can be easily and reliably set at the adjusting set position.

[0007]

FIG. 1 is a cross-sectional view of a film roll holding device 20 for loading and holding a film roll R, and FIG.
FIG. 3 is an enlarged sectional view of a mounting base A side supporting the film roll holding device 20 in a cantilever manner, and FIG. 4 is an enlarged view of a film roll attaching / detaching portion B located at an open end of the film roll holding device 20. The figure shows a film roll R
Is configured to be loaded from the attaching / detaching portion B on the right side of FIG.
The holding device 20 is rotatably mounted in a cantilever manner on the machine frame M side, and a hollow support tube 22 for externally loading the film roll R, and a film roll provided concentrically with the hollow support tube 22 are provided. The film loading mechanism 31 for loading and holding R at the film transfer center C (corresponding to the bag making center of the film inserted into the bag making machine) and the film roll R loaded and held are positioned in the direction orthogonal to the film drawing direction. It comprises a film position adjusting mechanism 51 for adjusting. The film drawn from the film roll R loaded in the film roll holding device 20 is formed into a cylindrical shape via a bag making device. In this embodiment, although not shown, two film roll holding devices 20 are provided in parallel.

The hollow support tube 22 is formed of a pipe member having a predetermined length and a smaller diameter than the inner diameter of the paper roll of the film roll R. The outer peripheral portion of the hollow support tube 22 is shown at 90 ° intervals in FIGS. As shown in FIG. 2, a long slot 2 having a predetermined width along the coaxial line P is divided left and right with respect to the film transfer center C.
3 are provided. A film loading mechanism 31 is provided via bearing members 24 and 25 fitted and fixed to the left and right of the hollow support tube 22 formed as described above.

The film loading mechanism 31 includes a bearing member 2
A hollow screw shaft 32 rotatably supported between 4, 25;
A roll holding handle 33 attached to the end of the attaching / detaching portion B of the hollow screw shaft 32, and a stop as a pair of clamp members screwed and retracted along the hollow screw shaft 32 by rotating the holding handle 33. It comprises a clamp member 34 and an adjust clamp member 37.

The inner diameter portion 2 of the bearing member 24 fitted and fixed to the mounting base A side which cantileverly supports the hollow support tube 22 described above.
Reference numeral 6 denotes a large-diameter portion and a small-diameter portion formed in a stepped shape, and a bearing 27a is fitted and fixed to the large-diameter portion. The bearing member 25 fitted and fixed to the corresponding detachable portion B side has an inner diameter portion having the same diameter as the large diameter portion of the bearing member 24, and a bearing 27a is fitted and fixed.
A hollow screw shaft 32 having a right-hand threaded portion 32a and a left-hand threaded portion 32b threaded around an outer peripheral portion thereof with the center C of the film distributed therebetween is a pipe having a predetermined diameter between the hollow support tube 22 and the hollow support tube 22. The right-hand thread 32
a has a stop clamp member 34 and a left-hand thread 3
An adjustment clamp member 37 is screwed into 2b.

As shown in FIG. 3, the stop crank member 34 includes a moving member 35 screwed into the right-hand threaded portion 32a of the hollow screw shaft 32, and a plurality of fixed claws (in this example, attached to the moving member 35). The moving member 35 has a trapezoidal shape having a predetermined thickness, which is loosely fitted into the inner diameter portion of the hollow support tube 22. It is formed and has a right-hand thread part 32a at the center.
And a female screw portion to be screwed therein. Further, a concave portion is formed in the outer peripheral portion of the moving member 35 at a 90-degree interval at which the fixed claw 36 is fitted in the direction of the axis P. This fixed claw 3
6 is a guide surface 36a which can be inserted into the long slot 23 and is inclined in the direction of the axis P toward the adjusting clamp member 37.
And a protrusion 36b is integrally formed on the base of the guide surface 36a in a rising manner.
The fixing claw 36 is provided so as to bite and support the inner diameter of the opening end of the paper tube (not shown) of the film roll R by being fixed to the concave portion 5.

As shown in FIG. 4, the adjusting clamp member 37 includes an adjusting member 38 screwed to the left threaded portion 32b and a sliding member 42 slidably provided on the adjusting member 38. The member 38 is formed integrally with a cylindrical portion 39 having a predetermined diameter and a length, which is loosely fitted to the screw shaft 32, and a frustoconical portion 40 having a conical operating surface 40a and a flange portion 40b. At the center of the base portion 40, a female screw portion screwed with the left screw portion 32b is screwed. Further, a stopper ring 41 is detachably attached to an end of the cylindrical portion 39,
A slide member 42 is slidably fitted to the cylindrical portion 39 between the stopper ring 41 and the truncated cone portion 40.

The slide member 42 comprises a boss 43 and a flange 44, which are slidably fitted to the cylindrical portion 39. The flange 44 is provided with a predetermined loose fit on the inner diameter of the hollow support tube 22. A fitting groove 44a is formed in the outer peripheral portion of the flange portion 44, and a friction is generated between the fitting groove 44a and the inner diameter portion of the hollow support tube 22 to generate a load. A packing member 45 is fitted. A bifurcated support portion 46 is formed at a 90-degree interval on the surface of the flange portion 44 facing the truncated cone portion 40, and an adjust lever 48 is pivotally attached to each support portion 46 via a pin 47. I have. The adjusting lever 48 has a mounting portion 48a pivotally attached to the support portion 46, and an arm piece 48b provided at a predetermined angle from the mounting portion 48a toward the elongated slot 23 in the drawing. The adjusting lever 48 is formed with a locking projection 48c that is engaged with the inner diameter of the opening end of the paper tube of the film roll R in a biting manner.
Is formed so as to be able to be inserted into the long groove hole 23, and an O-ring 49 having elasticity is elastically attached between the outer inclined surfaces of the arm pieces 48b of the adjusting levers 48 so that the sliding contact portions 48d of the adjusting levers 48 are adjusted. The member 38 is provided so as to be capable of being opened and contracted by a wedge action by being in sliding contact with the operating surface 40 a of the truncated cone portion 40. Also, the hollow screw shaft 32
A roll holding handle 33 having the same diameter as the outer diameter of the hollow support tube 22 is detachably attached to the end on the attachment / detachment portion B side.

The mounting base A side of the hollow support tube 22 in which the film loading mechanism 31 is housed, ie, the cantilever support side, is the position of the film rotatably mounted between the support members M1 and M2 via the bearing 27c. The hollow support tube 22 and the support member M1 are fitted and supported on a slide receiving metal 50 constituting the adjusting mechanism 51 so as to be slidable in the direction of the axis P and rotatable integrally with the slide receiving metal 50.
A film position adjusting mechanism 51 for adjusting the setting position of the film roll R held by the film loading mechanism 31 by moving and adjusting the hollow support tube 22 in the direction of the axis P is provided therebetween. The supporting members M1 and M2 are held by a connecting member (not shown).

The film position adjusting mechanism 51 is concentric with the slide receiving metal 50 rotatably mounted between the supporting members M1 and M2 and the hollow screw shaft 32 of the film loading mechanism 31, as shown in FIG. The adjusting screw rod 52 inserted through and supported by the adjusting screw rod 52, the adjusting connecting part 57 connected to the supporting member M1 side provided on the mounting base A side of the adjusting screw rod 52, and the set position attached to the end of the adjusting screw rod 52 It is composed of an adjustment handle 55. The adjusting screw rod 52 is rotatably supported between the bearing 27b fitted to the small diameter portion of the bearing member 24 of the hollow support tube 22 and the bearing 27b fitted to the center of the roll holding handle 33. 53 and the mounting base A side of the shaft 53
4, a screw portion 54 extending a predetermined length from the end portion of the shaft portion 53 on the attachment / detachment portion B side is provided.
Set position adjustment handle 5 that can be gripped and operated with a smaller diameter than 3
5 is detachably attached. Also, the bearing member 24
The outer ring side of the bearing 27b is fixed in position to the bearing member 24 by a retaining ring 56a, and the inner ring side is the shaft 5
3 is fixed in position by a retaining ring 56b. An adjusting connecting portion 57 is provided between the screw portion 54 of the adjusting screw rod 52 rotatably supported in this way and the support member M1.

The adjusting connecting portion 57 includes an adjusting plate 58, a holding plate 59, a connecting member 60 for supporting and connecting the upper and lower plates 58, 59, and both plates 58, 59.
And a coil spring 63 having a predetermined spring pressure and being elastically interposed therebetween. It should be noted that this adjustment connecting portion 57
A female screw m is screwed symmetrically about the axis P on the side of the support member M1 in order to mount. The adjusting plate 58 and the holding plate 59 are formed in the same strip shape, and female screws 58 a and 59 a screwed with the screw portion 54 of the adjusting screw rod 52 are screwed at the center of the adjusting plate 58 and the holding plate 59. And both plates 5
Female threads m threaded to support member M1 at both ends of 8,59
Holes 5 for loose fitting with stud bolts 62 described later in correspondence with
8b and 59b are penetrated.

The left and right connecting members 60 are symmetrical. The connecting member 60 includes a stud pin 61 having a threaded portion to be screwed into a female threaded portion m screwed to the supporting member M1, It is composed of a stud bolt 62 screwed to the pin 61, and a female screw portion 61a is formed on the side of the stud pin 61 opposite to the screw portion. The stud pin 61 thus formed is screwed to the support member M1, and an adjusting plate 58 and a holding plate 59 are provided on the screw portion 54 of the adjusting screw rod 52 with the female screw portion 58.
a and 59a, the coil spring 63 is elastically fitted and screwed to the outside, and screwed into the hole 58 at the end of both plates 58 and 59.
A stud bolt 62 is inserted through the stud bolts 61 and 59b, and the stud bolt 62 is screwed into a screw portion 61a of the stud pin 61. The adjustment plate 58 is fixed to the stud pin 61 by a fixing nut 64 screwed to the stud bolt 62. It is fixed to. In this state, the holding plate 59 is urged toward the head of the stud bolt 62 by the coil spring 63, and the urging force causes the adjustment screw rod 52 to rotate to the set position with respect to the rotation of the hollow support tube 22 and the roll holding handle 33. Is held in. In addition, slide receiving metal 5
The drive gear 65 is attached to the drive shaft 0, and is connected to a drive motor via a gear system (not shown) to rotate the hollow support tube 22. In a case where the film is nipped and transported by a feeding roller separately provided in the film drawing path, the slide receiving metal 50 is provided with a brake device for applying a predetermined tension to the film. Is provided.

When loading the film roll R into the holding device 20 mounted in this manner, first, the roll holding handle 49 is operated to retract the stop clamp member 34 and the adjust clamp member 37. in this case,
The adjustment clamp member 37 is
Is retracted, the slide member 42 is stopped at that position by frictional resistance between the packing member 45 attached to the outer peripheral portion of the flange portion 44 and the hollow support tube 22, and is thus expanded and held by the truncated cone portion 40. Insert the locking projection 48c into the long slot 2
The adjusting lever 48 protruding from the position 3, the locking projection 48 c is recessed into the long slot 23 by the restoring force of the O-ring 49. When the adjusting member 38 is further retracted, the stopper ring 41 attached to the cylindrical portion 39 comes into contact with the boss portion 43 of the slide member 42, and the slide member 42 holds the adjustment lever 48 in a closed state. To be integrally retracted to a predetermined position, and the roll loading preparation is completed so that the film roll R can be loaded from the attaching / detaching portion B side.

Next, after a film roll R having a predetermined width is externally inserted into the hollow support tube 22, the roll screw handle 33 attached to the end of the hollow screw shaft 32 is manually operated to move the hollow screw shaft 32 in a predetermined direction. To move the stop clamp member 34 and the adjust clamp member 37 in the approaching direction.
This movement of the stop clamp member 34 is performed in a state where the locking projection 36b of the fixed claw 36 is projected from the outer peripheral portion of the hollow support tube 22. In the initial stage of the movement of the adjust clamp member 37, the cylinder of the adjust member 38 is moved. The slide member 42 externally fitted to the cylindrical portion 39 is in a stopped state due to friction between the packing member 45 attached to the outer peripheral portion of the flange portion 44 and the hollow support tube 22, and the adjust lever 48 is moved by the O-ring 49. In the closed state, the locking projection 48 is immersed in the long slot 23, and only the adjustment member 38 is screwed toward the transfer center C of the film.

The sliding portion 4 of the adjusting lever 48
8d is slidably moved on the operating surface 40a of the frustoconical portion 40 formed on the adjusting member 38 and is expanded, so that the locking convex portion 48c is formed.
Is projected from the outer peripheral portion of the hollow support tube 22, and when the sliding contact portion 48d comes into contact with the flange portion 40b of the adjusting member 38, the expansion is stopped. Then, when the hollow screw shaft 32 is further rotated, the slide member 42 is integrally moved against the frictional resistance of the packing member 45 and the hollow support tube 22 as the adjusting member 38 advances. And
Stop clamp member 34 and adjust clamp member 3
7, the fixing claw 36, the guide surface 36a of the adjustment lever 48 and the arm piece 48b are inserted into the inner diameter of the opening end of the paper tube of the film roll R,
The film roll R is loaded and held in the hollow support tube 22 by a wedging action due to the inclination of the guide surface 36a and the arm piece 48b, which bites into the inner diameter of the open end of the paper tube.

When the film drawn from the film roll R loaded in the hollow support tube 22 is transported by inserting it into a bag making machine, the film roll R may be ununiformly wound. When the film meanders in one of the left and right directions with respect to the transfer center C, the center of the bag making of the film inserted into the bag making machine is shifted, and the film is not formed into a good cylindrical shape. In the case of the film roll R in which the center position of the film roll R is shifted, the film position adjusting mechanism 5 according to the film meandering.
By manually operating the set position adjusting handle 55, the hollow support tube 22 is integrally formed with the film roll R along its axis P.
The shift of the center of the bag making of the film inserted into the bag making machine is corrected by the adjustment movement in the direction.

For example, when the set position adjusting handle 55 of the film position adjusting mechanism 51 is manually rotated in the direction indicated by the arrow (clockwise) in the figure, the adjusting mechanism rotatably supported concentrically with the hollow screw shaft 32 of the film loading mechanism 31. The screw rod 52 is also rotated integrally.

On the other hand, since the hollow support tube 22 is assembled to the slide receiving metal 50 so as to be slidable in the direction of the axis P and co-rotatable, the rotation of the set position adjusting handle 55 causes the screw of the adjusting screw rod 52 to rotate. When the portion 54 is screwed into the female screw 58 of the adjustment plate 58, the hollow support tube 22 is moved to the left in the drawing along the axis P integrally with the film roll R. At this time, the screw portion 54 of the adjusting screw rod 52 is connected to the stud pin 61 erected on the support member M1.
Female screw 58 of the adjustment plate 58 fixed with the fixing nut 64 of the stud bolt 62 screwed into the screw portion 61a
a screw spring 54 is externally fitted to the screw portion 54, and a holding plate 59 is screwed through a female screw 59a. A stud is inserted into a hole 59b at the end of the holding plate 59. The bolt 62 is loosely inserted. In this state, the pressing plate 59 generates friction between the screw portion 54 and the female screw 59a by the urging force of the coil spring 63, and the adjusting screw rod 52 is locked in the adjusting position. Will be retained.

Conversely, by manually turning the set position adjusting handle 55 in the direction of the dashed arrow (counterclockwise), the hollow support tube 22 is moved to the film position adjusting position 51.
Is moved rightward in the figure along the slide receiving metal 50 via the adjusting screw rod 52 and the adjusting connecting member 57.

As described above, since the roll holding handle 33 of the film loading mechanism 31 and the set position adjusting handle 55 of the film position adjusting mechanism 51 are provided on the axis P, the loading operation of the film roll R can be performed. Needless to say, it is possible to visually and accurately adjust the setting position for the film meandering, and it is possible to eliminate the erroneous operation of adjusting the setting position for the conventional film meandering at a remote position. The quality can be improved, and the setting position can be adjusted with an extremely simple configuration by reducing the number of auxiliary members for remote control.
Further, since the roll holding handle 33 is provided to be larger than the set position adjusting handle 55, when the roll holding handle 33 is manually operated, the film setting position may be shifted by accidentally touching the set position adjusting handle 55. Can be prevented.

As described above, even if each of the film rolls R loaded in the film holding devices 20 arranged at a plurality of locations has a different meandering direction, each of the film holding devices 20 has a different meandering direction.
By rotating the set position adjusting handle 55 of the film position adjusting mechanism 51 of each film holding device 20 while the film roll R is loaded, the center of the film transport inserted into the bag making device is matched. And good packaging can be implemented. In addition, the film loading mechanism 31 of the film roll illustrated in the above embodiment is not limited to this, and various types of clamp members can be employed. Although the roll holding handle 33 is illustrated as having a larger diameter than the set position adjusting handle 55, the handles 33 and 55 may have the same shape.

[Brief description of the drawings]

FIG. 1 is a sectional view of a film roll holding device.

FIG. 2 is an external view of a film roll holding device.

FIG. 3 is an enlarged cross-sectional view of a mounting base side of the film roll holding device.

FIG. 4 is an enlarged cross-sectional view of the attachment / detachment portion side of the film roll holding device.

FIG. 5 is an explanatory diagram of setting position adjustment in a state where a plurality of conventional roll holders are mounted.

[Explanation of symbols]

 Reference Signs List 20 film roll holding device 22 hollow support tube 23 long slot 31 film loading mechanism 32 hollow screw shaft 33 roll holding handle 34 stop clamp member 37 adjust clamp member 50 slide receiving metal 51 film position adjusting mechanism 52 adjusting screw rod 53 shaft 54 Screw part 55 Set position adjusting handle 57 Adjusting connecting member 58 Adjusting plate 59 Holding plate 60 Connecting member 63 Coil spring

Continued on the front page (72) Inventor Kazuhiro Hanaki 4-380 Nakaodai, Nishi-ku, Nagoya-shi, Aichi Fujikikai Nagoya Plant (72) Inventor Mitsuhiro Okazaki 4-380 Nakaodai, Nishi-ku, Nagoya-shi, Aichi Fujikikai Nagoya Co., Ltd. Inside plant (72) Inventor Kunihiko Ito 4-380 Nakaodai, Nishi-ku, Nagoya-shi, Aichi Fujikikai Nagoya Plant (56) References JP 6-49540 (JP, B2) (58) Fields surveyed (Int .Cl. ⁷ , DB name) B65H 19/00-19/30 B65H 16/00-16/10 B65B 41/12

Claims (4)

(57) [Claims] A hollow screw in which a long slot is bored in an axial direction of an outer peripheral portion of a hollow support tube into which a film roll is removably loaded, and a left and right screw is screwed on an outer peripheral portion of the hollow support tube on the axis thereof. The shaft is rotatably supported, and a pair of clamp members which are guided by the long slot and engage with the opening end of the paper tube of the film roll to be loaded and held on the left and right threads of the hollow screw shaft can be separated and moved. It has a film loading mechanism, and also has a hollow support tube, a shaft portion rotatably supported on the hollow screw shaft, and a coaxial portion extending to the side of the hollow support tube on the axis inside the hollow screw shaft. An adjustment screw rod having a screw part is provided, and the screw part is connected to the support member via an adjustment connection part, and the adjustment screw rod is turned to adjust the film position to move the hollow support tube in the axial direction. Mechanism, and the film loading mechanism row The set position adjusting handle holding the handle and the film position adjusting mechanism provided in the adjusting screw rod a hollow screw shaft configuration as the bag-making filling machine of the film roll holding device. 2. A film roll holding device for a bag making and filling machine according to claim 1, wherein a plurality of film roll support means are provided on said support member side. 3. The film roll holding device of a bag making and filling machine according to claim 1, wherein the setting position adjusting handle of the film position adjusting mechanism is set to have a smaller diameter than the roll holding handle of the film loading mechanism. 4. An adjusting plate of an adjusting connecting portion for connecting the adjusting screw rod to the support member side is screwed to a screw portion of the adjusting screw rod and fixed in position to a stud pin erected on the supporting member via a stud bolt. At the same time, a coil spring is elastically fitted between the holding plate and the adjusting plate screwed to the screw portion, and the end of the holding plate is loosely fitted to the stud bolt and attached to the screwing portion with the screw portion. The film roll holding device for a bag making and filling machine according to claim 2 or 3, wherein the film roll holding device is configured to apply a force.