JP2001247105A - Film roll setting apparatus in lateral packaging machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a single packaging machine to use films different in nature in common. SOLUTION: The setting apparatus 10 includes a first film setting means 18 for inserting a first film roll 16 comprising a first film 12 such as a print film to be used in general pillow-type packaging which is wound around a paper tube 14 into a hollow support tube 30 via the paper tube 14 for holding. It also includes a second film setting means 26 for holding a second film roll 24 comprising a second film 20 such as a pressure-sensitive stretchable and shrinkable film to be used in stretch-wrap packaging which is wound around a paper tube 22 while mounted on two mount rollers 50, 52 on a downstream side in a direction of drawing out the film from a position where the first means 18 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film roll setting device used in a horizontal packaging machine.

[0002]

2. Description of the Related Art A horizontal bag making and filling machine for performing general pillow packaging using a printing film made of various materials such as polypropylene, and printing with a material having self-adhesiveness and being thinner than a film for pillow packaging. Is not given,
For example, a horizontal type stretch wrapping machine that uses a film for stretch shrink wrapping has a different method of holding a film roll in a film setting section due to the nature of the film used. Therefore, when performing different packaging with these films, a dedicated packaging machine provided with a film setting section for each film has been installed.

[0003]

Despite the necessity of performing high-mix low-volume production according to the user's preference as in today, a special packaging machine is installed for each of the above-mentioned films having different properties. Performing the production by means of this method not only increases the installation space of the production line, is also not preferable in terms of production efficiency, and has many problems such as an increase in the cost of purchasing the packaging machine.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned problems inherent in the prior art, and has been proposed to solve the problem suitably. It is an object of the present invention to provide a film roll setting device in a horizontal packaging machine that can also serve as a device.

[0005]

[MEANS FOR SOLVING THE PROBLEMS]
In order to suitably achieve the intended purpose, the present invention relates to a film roll setting device in a horizontal packaging machine, wherein a first film setting means for holding a paper tube of the film roll, A second film setting means for placing and holding between the book rollers.

[0006]

When a film roll in which a film for general pillow packaging is wound around a paper tube is used, the paper tube is held by the first film setting means and the film is packaged. For example, when using a film roll in which a film for stretch shrink packaging is wound around a paper tube, the roll is held in a state of being placed on two rollers in a second film setting means, and the film is wrapped with the film. Perform In other words, films having different properties can be used, and it is not necessary to provide a special packaging machine. Also, the film feeding roller of the first film setting means also serves as one of the two rollers in the second film setting means disposed downstream of the first film setting means in the film drawing path. Is prevented from becoming larger. In addition, a plurality of guide rollers for guiding the film while being transferred to the bag making device after the second film setting means are subjected to a film sticking prevention treatment, so that a self-adhesive film is used. A smooth transfer is achieved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a film roll setting device in a horizontal packaging machine according to the present invention will be described with reference to the accompanying drawings, with reference to preferred embodiments.

FIG. 1 shows a film roll setting device in a horizontal bag making and filling machine. The setting device 10 converts a first film 12 such as a printing film used for general pillow packaging into paper. A first film setting means 18 for inserting and holding the first film roll 16 wound around the tube 14 through the paper tube 14 and a second film such as a self-adhesive stretch shrink film used for stretch packaging. Of the film 20 wound around a paper tube 22
And a second film setting means 26 for holding the film roll 24 in a placed state.

[0009]

[First Film Setting Means] The first film setting means 18 has a hollow support tube 30 which is rotatably supported at one end by a machine frame 28 and extends horizontally forward (lower side in FIG. 2).
And the first through the free end (front end) of the support tube 30.
By externally inserting the paper tube 14 of the film roll 16, the film roll 16 can be detachably held. The hollow support tube 30 is used to pull out the first film 12 from the first film roll 16,
A required braking is applied by a braking mechanism 32 disposed on the rear side of the device casing 28, and the first film 12 is pulled out without being slackened.

On the circumferential surface of the hollow support tube 30, longitudinally extending through-grooves 34, 36 are provided on both sides in the longitudinal direction with respect to the center in the film withdrawing direction.
A total of three holes are drilled at 0 °. The hollow support tube 30
On the other hand, a reverse screw shaft (not shown) is inserted and supported so as to have the same axial center, and a locking claw 38 and a locking piece 40 corresponding to each of the long through grooves 34 and 36 are supported on the reverse screw shaft. Each is arranged. The locking claw 38 and the locking piece 40 are configured to move close to and away from each other along the long through grooves 34 and 36 by forward and reverse rotation of the reverse screw shaft. In addition, the locking piece 40 located on the rear side (apparatus machine frame side) is set so as to always protrude in the radial direction from the corresponding through-groove 36,
The paper tube 14 of the first film roll 16 is connected to the hollow support tube 30.
To function as a stopper when extrapolated from the free end side. The locking claw 38 located on the front side is
When moving close to or away from the locking piece 40,
4, and is set so as not to protrude from the through-groove 34 when moved away from the locking piece 40, so that the loading of the first film roll 16 into the hollow support tube 30 is allowed.

A first handle 42 connected to a reverse screw shaft is rotatably disposed on the free end side of the hollow support tube 30. By manually rotating the handle 42, a reverse screw shaft is provided. Are rotated in forward and reverse directions. Note that the amount of movement of the locking claw 38 and the locking piece 40 during rotation of the reverse screw shaft is set to be the same, and the first movement is performed by moving the locking claw 38 and the locking piece 40 close to each other. The center of the film roll 16 in the film unwinding direction is automatically determined.

The first film setting means 18 and the second
As shown in FIG. 1, the first film setting means 18
A registration mark sensor 44 for detecting a registration mark attached to the first film 12 pulled out from the first film roll 16 loaded in the camera is provided. In addition, machine frame 2
8, a plurality of guide rollers 4 are provided in a film drawing path between the first film setting means 18 and a bag-making device (not shown).
6, 47 are rotatably disposed, and are drawn out from the first film setting means 18 wound around one of the setting rollers 50 via the other setting roller 52 of the second film setting means 26 which will be described later. The first film 12 is wound and guided so as to be drawn out toward the bag making machine via the plurality of guide rollers 46 and 47. In addition, the first film 12 includes one mounting roller 50 and a holding roller 5 described later.
4 and is transported by the rotation drive of the loading roller 50.

[0013]

[Second film setting means] The second film setting means 26 is disposed downstream of the first film setting means 18 in the film drawing path as shown in FIG. This second film setting means 26
As shown in FIG. 2, two rotatable members are rotatably mounted between the device machine frame 28 and a frame 48 which is disposed in front of and separated from each other, and are horizontally separated in the left-right direction and parallel to each other. The mounting rollers (rollers) 50, 52 are provided.
The second film roll 24 is held between the 52 in a mounted state. The loading roller 50 on the one side (the left side in FIG. 1) is a roller whose surface is made of an elastic material such as rubber, and is configured to be connected to a driving system of a film drawing mechanism (not shown) to be driven to rotate in a predetermined direction. Is done.
Then, it functions to apply a rotational force to the second film roll 24 whose outer periphery is in contact with the one loading roller 50, and to feed out the second film 20 toward the bag making device. Further, between the apparatus frame 28 and the frame 48, the nipping rollers 5 are provided so as to be movable toward and away from one of the mounting rollers 50.
When the second film set 4 is installed and the second film setting means 26 is used, the second film 20 pulled out from the second film roll 24 and wound around one of the loading rollers 50 is used.
Is sandwiched between the one loading roller 50 and the sandwiching roller 54, and is directed toward the bag making machine via the plurality of guide rollers 47 provided after the setting means 26 (downstream in the film unwinding direction). Each roller 50, 54, 4 as drawn out
7 is wound around.

The loading roller 50 and the sandwiching roller 54 are film feed rollers for drawing out the first film 12 from the first film roll 16 loaded in the first film setting means 18. It is configured to double. The other mounting roller 52 on which the second film roll 24 is mounted is configured to be freely rotatable, and as described above, the first film setting means 1
8 also functions as a film guide roller.

The second film setting means 26 includes:
The second film roll 24, which is placed and held between the two loading rollers 50, 52, contacts the edge of the paper roll 22 of the second film roll 24, and the width direction of the film roll 24 (the direction orthogonal to the film unwinding direction). ) Positioning mechanism 5 for positioning
6 are provided. As shown in FIG. 2, the positioning mechanism 56 is rotatably supported between the apparatus frame 28 and the frame 48, and extends in parallel between the two loading rollers 50 and 52. A screw shaft 58 is provided. Male screws 60 and 62 are threaded on the reverse screw shaft 58 as opposite screws on both sides in the longitudinal direction with respect to the center in the film drawing direction. Have been. Further, a second handle 68 is attached to the front end of the reverse screw shaft 58, and by manually rotating the handle 68, the reverse screw shaft 58 is rotated in the forward and reverse directions, and the pair of moving bodies 64 and 66 are moved. They move close to and away from each other. The moving bodies 64 and 66 are set to be slidably disposed on a shaft 70 parallel to the reverse screw shaft 58 provided between the apparatus frame 28 and the frame 48 so that rotation is prevented. Have been.

Each of the moving bodies 64 and 66 has a regulating rod 72,
74 are respectively provided upright, and falling-off preventing members 76 and 78 are provided near the upper ends of the regulating rods 72 and 74, respectively. Then, the two control rods 72 and 74 are brought close to each other by the rotation of the reverse screw shaft 58, and the paper protruding from both widthwise end faces of the second film roll 24 mounted on the mounting rollers 50 and 52. By positioning the control rods 72 and 74 at an interval in contact with the end of the tube 22, each of the regulating rods 72 and 74 is configured to position the second film roll 24 in the width direction with reference to the end of the paper tube 22. Further, each of the falling-off preventing members 76 and 78 faces inward from the opening end of the paper tube 22 of the second film roll 24, and when the second film 20 is drawn out, the second rollers 20 and 78 come out of the loading rollers 50 and 52. Of the film roll 24 is prevented from falling off. In addition, the disposition position of the falling-off prevention members 76, 78 with respect to the regulating rods 72, 74 is as follows.
Even when the diameter of the second film roll 24 is reduced due to the consumption of the second film 20, the falling-off preventing members 76 and 78 are set so as not to come off from the inner periphery of the paper tube 22.

The plurality of guide rollers 47 and the nipping rollers 54 disposed in the film drawing path between the second film setting means 26 and the bag making device are provided on the surface in contact with the second film 20. The film is subjected to an anti-sticking treatment such as a shot process, so that even a film having a self-adhesive action, such as a stretch shrink film, can be pulled out and guided well.

[0018]

Next, the operation of the film roll setting device in the horizontal packaging machine according to the above-described embodiment will be described.

When packaging is performed using the first film 12 used for general pillow packaging, a first film roll 16 is loaded into the first film setting means 18. That is, before the first film roll 16 is loaded, the three locking claws 38 do not protrude from the peripheral surface of the hollow support tube 30, and the paper tube 14 of the first film roll 16 is It can be extrapolated to the support tube 30.
In this case, since the three locking pieces 40 always protrude from the peripheral surface of the hollow support tube 30, the end of the first film roll 16 finally comes into contact with the locking pieces 40. Movement is prevented.

After the first film roll 16 has been inserted into the hollow support tube 30, the first handle 42 is manually operated to rotate the reverse screw shaft in a predetermined direction, so that the locking claw 38 and the locking piece And 40 are moved in a direction approaching each other. The locking claw 38 projects from the peripheral surface of the hollow support tube 30 with the movement,
The first film roll 16 is loaded and fixed to the hollow support tube 30 by pressing the locking claw 38 and the locking piece 40 against the open end of the paper tube 14. Further, the center of the first film roll 16 in the film drawing direction is automatically determined.

The first film 12 pulled out from the first film roll 16 loaded in the first film setting means 18 is disposed upstream of the second film setting means 26 as shown in FIG. Guide rollers 4
6. After being wound around the other placing roller 52, one placing roller 50 and a plurality of guide rollers 47 disposed downstream of the second film setting means 26, the bag making device and the film transport (not shown) are wound around. Set in the mechanism. Then, while the first roller 12 is held between the holding roller 54 and one of the placement rollers 50, the first placement roller 50 is driven to rotate, so that the first film setting unit 18 is loaded. The first film 12 pulled out of the first film roll 16 is transported toward a bag making machine and provided for general pillow packaging.

When the first film setting means 18 is used, the second handle 68 of the positioning mechanism 56 provided on the second film setting means 26 is rotated in a predetermined direction, and a pair of restricting means is used. By moving the rods 74 apart from each other, the regulating rods are attached to both widthwise edges of the first film 12 pulled out from the first film roll 16 loaded in the first film setting means 18. 74,
74 should not be in contact. When removing the first film roll 16 from the first film setting means 18, the first handle 42 is rotated in the reverse direction so that the locking claw 38 and the locking piece 40 are separated from each other. Go to At this time, the locking claw 38 is immersed in the hollow support tube 30 with the movement, so that the first film roll 16 can be removed from the hollow support tube 30.

Next, when packaging is performed using a second film 20 such as a self-adhesive stretch shrink film used for stretch shrink wrapping, a pair of mountings on the second film setting means 26 is required. The second film roll 24 is placed and held between the rollers 50 and 52. At this time, the pair of regulating rods 72, 74 face both sides in the width direction of the second film roll 24, and the second
Of the film roll 24 in the width direction is performed.
After the second film 20 pulled out from the second film roll 24 is wound around the plurality of guide rollers 47 disposed downstream of one of the mounting rollers 50 and the second film setting means 26, It is set in the bag making device and the film transfer mechanism. Then, in a state in which the second roller 20 is nipped with the nipping roller 54 close to the one mounting roller 50 and one of the mounting rollers 50 is rotated, the second film 20 is set on the second film setting means 26. The second film 20 pulled out from the second film roll 24 that is placed and held is transported toward the bag making machine and provided for stretch shrink packaging.

In this case, since the plurality of guide rollers 47 on which the second film 20 is wound and guided are subjected to a film sticking prevention treatment, the second film 20
Is achieved. The pair of regulating rods 7
The second film roll 24 is prevented from falling off from the placement rollers 50, 52 by the falling-off prevention members 76, 78 provided at 2, 74.

[0025]

[Modification] The film roll setting device according to the present invention is not limited to the configuration of the above-described embodiment, and various modifications are possible. For example, the first film setting means of the film core holding type is not limited to the method of the embodiment,
If it is a method of holding a paper roll, a method of holding a film roll between a pair of holding blocks detachably disposed on a hollow support tube, or a pair of a pair having no hollow support tube or the like inserted into a paper tube. Any method may be used, such as a method in which the paper tube is sandwiched and held from both sides in the longitudinal direction only by the holding member. The film roll positioning mechanism provided in the film roll mounting type second film setting means,
The present invention is not limited to the method of the embodiment, but may be manually adjusted for each side edge in the film width direction. Also, when the control rod is brought into contact with the edge of the paper tube, it is a matter of course that the rotation does not hinder the rotation of the film roll. The film roll may be positioned in the width direction by setting a slightly wider interval. The film anti-adhesion treatment of the plurality of guide rollers is performed by shot processing in the embodiment, but, for example, fluorine processing or the like, applying another anti-adhesion treatment material or coating the surface of each roller with an anti-adhesion member, Alternatively, any processing may be used, such as forming the material of the roller itself from a material that does not adhere to the film. A film roll-mounted second film setting means is provided downstream of the film winding holding type first film setting means in the film transport direction, and a plurality of guide rollers subsequent to the setting means are subjected to a film adhesion preventing treatment. When the first film setting means is loaded with a self-adhesive printing film such as a stretch shrink film, all the guide rollers provided from the first film setting means to the bag-making machine have film adhesion. What is necessary is just to perform prevention processing.

[0026]

As described above, in the film roll setting device in the horizontal packaging machine according to the first aspect of the present invention, the first film setting means for holding the paper tube of the film roll and the two film rolls are used. And the second film setting means for placing and holding between the rolls, for example, a general pillow package and a stretch shrink package can be used. Also, there is no need to manufacture and install packaging machines suitable for individual films with different properties,
The equipment cost can be reduced, the installation space can be reduced, and the space efficiency can be improved.

According to the setting device of the second aspect, the second film setting means used when using a film having a self-adhesive action, such as a stretch shrink film, is used to pull out the film from the first film setting means. , The film sticking prevention treatment to be performed on the film guide roller disposed before the film is transferred toward the bag making machine may be performed on the second and subsequent film setting means. . Further, in the setting device according to the third aspect, the film feeding roller for drawing out the film from the film roll loaded in the first film setting means also serves as a roller for rotating the film roller when the second film setting means is used. Therefore, even if two setting means are provided in parallel, the size of the apparatus does not increase, and an increase in the cost of the apparatus can be suppressed to a minimum.

In the setting device according to the fourth aspect, since the positioning mechanism for positioning the film roll placed and held between the two rollers in the second film setting means in the width direction is provided, the drawing device is pulled out from the film roll. The transport of the film to be performed is performed accurately. Further, according to the setting device according to claim 5, when a film roll of a film having a self-adhesive action, such as a stretch shrink film, is used while placed and held on the second film setting means, Since the guide roller on which the film to be drawn is wound and guided is subjected to the film adhesion preventing treatment, the film can be smoothly transported.

[Brief description of the drawings]

FIG. 1 is a front view showing a film roll setting device in a horizontal packaging machine according to a preferred embodiment of the present invention.

FIG. 2 is a plan view of the setting device according to the embodiment.

[Explanation of symbols]

12 First film 14 Paper core 16 First film roll 18 First film setting means 20 Second film 22 Paper core 24 Second film roll 26 Second film setting means 47 Guide roller 50 One side Roller (roller, film feeding roller) 52 The other mounting roller (roller) 56 Positioning mechanism

Claims (5)

[Claims] 1. A film roll in a horizontal packaging machine.
24) a first film setting means (18) for holding a paper core (14) of the film roll (16); and a film roll (24) comprising two rollers (50, 50). 52) A device for setting a film roll in a horizontal packaging machine, comprising: a second film setting means (26) for placing and holding between the film rolls. 2. The second film setting means (26)
2. The apparatus for setting a film roll in a horizontal packaging machine according to claim 1, wherein said apparatus is disposed downstream of said first film setting means (18) in a film drawing path. 3. A film feeding roller for drawing out a film (12) from a film roll (16) loaded in the first film setting means (18) comprises two film feeding rollers in the second film setting means (26). When the second film setting means (26) is used, the film feed roller contacts the outer periphery of the film roll (24) to reduce the rotational force. 3. The apparatus for setting a film roll in a horizontal packaging machine according to claim 2, wherein the apparatus is configured to apply. 4. A positioning mechanism (5) for positioning a film roll (24) placed and held between two rollers (50, 52) in the width direction, said second film setting means (26).
The apparatus for setting a film roll in the horizontal packaging machine according to any one of claims 1 to 3, wherein 6) is provided. 5. A plurality of guide rollers (47) for guiding a film (20) during transfer to a bag making machine after the second film setting means (26) are subjected to a film sticking prevention treatment. An apparatus for setting a film roll in the horizontal packaging machine according to any one of claims 2 to 4.