JP2002087707A - Method and device for mounting roll-like winding material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and device for mounting a roll-like winding material capable of easily and positively holding a band. SOLUTION: An inner diameter pressure-holding member 7 is provided at the outer periphery of a shaft 4. The inner diameter pressure-holding member 7 has a plurality of radially liftable pressing pieces 12 annularly disposed in the circumferential direction of the shaft 4. The annular outer diameter composed of the respective pressing pieces 12 is made a smaller diameter (d) than the inner diameter of the band when lowered and made a larger diameter d1 than the inner diameter of the band when lifted, to pressure-hold the inner diameter of the band.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for mounting a rolled material for mounting a material wound in a roll.

[0002]

2. Description of the Related Art Conventionally, for example, a packing machine uses a wound band (rolled material) 100 having a core (also referred to as a paper tube) 100a as shown in FIG. A band mounting portion (also referred to as a drum) 200 of a packing machine to which the band 100 having such a paper tube 100a is mounted is provided with a protrusion 201 on the packing machine main body side, into which the inner diameter of the paper tube 100a of the band 100 is fitted. The band 100 was held by fitting the inner diameter of the paper tube 100a to the protrusion 201 (FIG. 13). In addition, the band 100 used in this type of packing machine has the paper tube 100a, so that the distortion of the band 100 during the operation of the packing machine is prevented.

However, the problem of discarding the paper tube 100a has recently been highlighted. That is, it is conceivable that the paper tube 100a remaining after the band has been used up may be collected and reused. However, at the time of collection, the paper tube 100a is severely deformed and cannot be reused as it is.
a was hardened with a synthetic resin adhesive and could not be used as a raw material for recycled paper. Therefore, at present, the used paper tube 100a is incinerated, but this incineration is regarded as a problem. Therefore, recently, a so-called paperless band 100 'that does not use the paper tube 100a has been provided (see FIG. 14).

[0004]

In the case of such a paperless band 100 ', a packing machine having a band mounting portion as shown in FIG. 13 cannot be used as it is. That is, the band 100 'does not have the core 100a for preventing distortion, and the inner diameter of the band cannot be pressed tightly outward with only the protrusion 201 shown in FIG.
Therefore, as shown in FIGS. 15 and 16, a separately molded synthetic resin cylindrical body 202 is prepared as a substitute for the paper tube 100a, and the cylindrical body 202 is fitted to the inner diameter of the band 100 'before mounting the band 100'. Was. And this cylindrical body 202
Is made of synthetic resin because it is used repeatedly.

However, the cylindrical body 202 must be prepared separately, and is made of synthetic resin, so that it is expensive, costly, and cumbersome to store. In each case, the cylinder 2
02 was required to be fitted into the inner diameter of the band 100 ', but in order to prevent band distortion, it was necessary to have a cylindrical body 202 having an outer diameter enough to press the inner diameter of the band 100' outward. Fitting such a cylindrical body 202 into the inner diameter of the band requires a lot of labor of an operator and is very troublesome and difficult. Further, in the case of such a band 100 ′ without a core, it is conceivable that the inner diameter of the band 100 ′ is deformed during the transportation process. When such a situation occurs, it is very difficult to fit the cylindrical body 202 to the inner diameter of the band, which is not only troublesome in work, but also may cause a loss of work time.

The inventor of the present invention has intensively studied whether or not the rolled material can be easily and securely held without preparing a core substitute member separately, and reached the present invention.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a roll-shaped rolled material capable of easily and reliably holding the roll-shaped rolled material. A mounting method and a mounting device are provided.

[0008]

In order to solve the above-mentioned problems, the technical means of the present invention is to insert a roll-shaped winding material mounting device having an outer diameter that is freely expandable and contractable into the inner diameter of the roll-shaped winding material. Then, by expanding the outer diameter of the device,
The outer diameter pushes and presses the inner diameter of the roll-shaped winding material outward in the radial direction, and the roll-shaped winding material is mounted and held by the pressing force of the outer diameter. Further, as a device for mounting the roll-shaped winding material, an inner diameter pressing and holding member for the roll-shaped winding material is provided on the outer periphery of the shaft, and the inner diameter pressing and holding member has a smaller diameter or a larger diameter than the inner diameter of the roll-shaped winding material. In addition, the outer diameter is configured to be freely expandable and contractible in the radial direction. Further, an inner diameter pressing and holding member of a roll-shaped winding material is provided on the outer periphery of the shaft, and the inner diameter pressing and holding member is formed by arranging a plurality of pressing pieces that can move up and down in the radial direction in an annular shape in the circumferential direction of the shaft. The outer diameter of the ring formed by each of the pressing pieces has a smaller diameter than the inner diameter of the roll-shaped winding material when descending, and has a larger diameter than the inner diameter of the roll-shaped winding material when rising. Pressing and holding the inner diameter of the spirally wound material.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In the present embodiment, an embodiment of the present invention will be described using a packing machine, but the present invention is not limited to this, and various devices such as a binding machine and a wrapping machine are included within the scope of the present invention. Thus, a device using a device for mounting a roll-shaped winding material can be used, and each configuration can be appropriately changed to another configuration or another configuration can be added. In the figure, 1 is a packing machine main body, 2 is a roll-shaped winding material mounting device, and 100 'is a paperless band without core (roll-shaped winding material). Also,
The roll-shaped winding material is used for, for example, packing, bundling, wrapping, and the like. For example, a string, tape, band,
If the material is wound into a roll by a film or sheet, it is included irrespective of the presence or absence of the core. In addition, their materials are not limited.

The configuration of the packing machine main body 1 is not particularly limited. For example, a well-known packing machine main body having a structure shown in FIGS. 8 to 11 is appropriately selected and adopted within the scope of the present invention. . In addition, packing machines are both automatic and semi-automatic.

The paperless tube band 100 'is not limited to a known structure in which the end of the winding start is processed by welding, bonding, stapling, or the like, as long as it does not have a paper tube (core). In the future, various improvements in the material, the end treatment at the beginning of winding, and the like are also included.

The roll-shaped winding material mounting device (also referred to as a band mounting portion) 2 is called a drum provided at an arbitrary position such as below, beside or above the packing machine main body 1. In this embodiment, the band mounting device is used. The band 100 'is held by utilizing the tightening operation of the holding cover 13 to be fitted later. The roll-shaped winding material mounting device 2 includes a packing machine main body 1.
An inner diameter pressing holding member (also referred to as a band pressing mounting member) 7 is provided on the outer periphery of the shaft 4 protruding from the center of the back cover 3 provided at an arbitrary position. In the drawing, reference numeral 6 denotes a bearing for rotatably holding the shaft 4.

The inner diameter pressing and holding member 7 is constituted by arranging a plurality of pressing pieces 12 in an annular shape in the circumferential direction of the shaft 4, and each of the pressing pieces 12 is configured to be movable up and down in the radial direction. At the same time, the band is pressed upward by the tightening operation of the holding lid 13 to press the inner diameter of the band. That is, in the present embodiment, the lifting and lowering operation of the pressing piece 12 is performed using the tightening operation of the presser lid 13 which has been conventionally required in this type of packing machine as it is.
Specifically, for example, it has the following configuration. Note that the specific example described below is merely an embodiment of the inner diameter pressing and holding member 7 in the packing machine of the present invention, and is not to be construed as limiting at all.

The inner diameter pressing and holding member 7 is provided between a slide member (also referred to as a shaft head) 8 slidably provided in the axial direction of the shaft 4 and a pressing lid 13 described later in front of the slide member 8. And an elastic member 9 that presses the slide member 8 rearward (to the right in FIG. 1) by tightening the holding lid 13, and the slide member 8 is always held behind the slide member 8. Elastic member 10 for pressing in the band mounting direction (left direction in FIG. 1)
A plurality of operating arms 11 rotatably provided with one end 11a pivotally mounted on the outer periphery of the slide member 8 in a direction orthogonal to the shaft insertion direction of the slide member 8; A pressing piece (also referred to as a band support) 12 that axially connects the other end 11b in the same direction as the one end 11a and connects the pressing lid 13 and a fastening member 14 that tightens the pressing lid 13 in the axial direction. It is configured. In the drawing, reference numeral 15 denotes a receiving member for receiving the rear end side of the elastic member 10, which is not essential in the present invention.
There is no limitation as long as it has an arbitrary configuration for receiving the rear end side of 0. In the present embodiment, an annular portion having an insertion hole 15a which slides on the shaft 4 is provided, and a locking portion 15b capable of locking one end of the elastic member 10 is provided on the outer periphery thereof.

The slide member 8 is formed in a cylindrical body, and has a shaft insertion portion 8a having an inner diameter capable of slidingly contacting the outer diameter of the shaft 4, and four operating arms provided at equal intervals on the outer periphery. A shaft attachment portion 8b is provided, and the outer diameter of the shaft 4 is slidable in the axial direction. In the present embodiment, the working arm shaft attachment portion 8b is composed of two standing pieces 8c and 8c that are arranged side by side in the axial direction at a desired interval, and the working arm 11 is provided between the standing pieces 8c and 8c. One end 11a is inserted, and the slide member 8 is pivotally mounted on a pin 11c in a direction perpendicular to the shaft insertion direction (FIGS. 2 and 6).

The embodiment of the working arm shaft attaching portion 8b is merely an embodiment of the present invention, and is not limited to this. Any structure can be used as long as the one end 11a of the working arm 11 can be rotatably mounted. Also, the number of the working arm shaft attachment portions 8b is not particularly limited, and can be arbitrarily selected and changed within the scope of the present invention. Although not particularly limited, the slide member 8 is preferably formed of a material having a low coefficient of friction since the slide member 8 repeatedly slides on the outer diameter of the shaft 4.

The elastic member 9 is disposed between the holding lid 13 and the sliding member 8 and presses the sliding member 8 backward by tightening the holding lid 13. In the present embodiment, the elastic member 9 has a coil shape. Although the description will be made using a spring, the present invention is not limited to such a coiled spring.
It may have another configuration. The elastic force of the elastic member 9 is also not particularly limited, but, for example, when the holding member 13 is tightened by manually operating the tightening member 14, the holding cover 13 is tightened against the elasticity of the elastic member 9. Therefore, it is preferable that the pressing lid 13 has such an elastic force that does not hinder the tightening operation, and that when the tightening force by the tightening member 14 is released, the holding lid 13 is naturally advanced by its elasticity. That is, at least when the presser lid 13 is tightened and the pressing piece 12 presses the band 100 ′, the band is compressed with the slide member 8 against its elasticity. Any elastic member that is not compressed is within the scope of the present invention. For example, it is arranged between the press cover 13 and the slide member 8, and by tightening the press cover 13,
A leaf spring configured to press the slide member 8 backward and the pressing lid 13 forward against the elasticity, rubber, or the like is employed within the scope of the present invention.

The elastic member 10 includes the back cover 3 and the slide member 8.
, And always presses the slide member 8 forward. In this embodiment, a description will be given using a coil spring. However, the slide member 8 has elasticity to constantly press the slide member 8 forward. If it is provided, it is not limited to a coil-shaped spring, but may be of another configuration. The elastic force of the elastic member 10 is also not particularly limited, and for example, when the slide member 8 is retracted by manually operating the tightening member 14, the elastic member 1
In order to retract the slide member 8 against the elasticity of 0, the slide member 8 has such an elastic force that does not hinder the tightening operation. When the tightening force by the tightening member 14 is released, the slide member 8 is naturally resilient by its elasticity. Is preferable.

That is, at least when the slide member 8 is retracted and the pressing piece 12 is pressing the band 100 ′, the band is compressed between the slide member 8 and the back cover 3 against its elasticity. When the slide member 8 moves forward and the band is not attached, any elastic member that is not compressed at all is within the scope of the present invention. For example, a leaf spring or rubber that is arranged between the back cover 3 and the slide member 8 and that constantly presses the slide member 8 forward is employed within the scope of the present invention.

The operating arm 11 is formed in a rod-like body having an arbitrary shape. One end 11a is detachably attached to the operating arm shaft attaching portion 8b of the slide member 8, and the other end 11b is
The slide member 8 and the pressing piece 12 are connected to each other by being detachably mounted on the upper holder 12b of the pressing piece 12 to be described later. In the present embodiment, the pins 11c and the like are used for attaching the ends 11a and 11b to each other. However, the present invention is not particularly limited to the pin attachment configuration using pins. It is within the scope of the present invention.

The operating arm 11 is not particularly limited in its shape and arm diameter, but at least when the pressing member 13 is tightened and the sliding member 8 is retracted, each pressing piece 12 is raised, The outer surface of the pressing piece 12 is the band 10
It has a length that abuts against the inside diameter of the 0 'and presses and holds the band 100' from the inside. In this embodiment,
When the band is formed into a columnar shape and the band 100 ′ is pressed and held by the pressing pieces 12 (the band having the largest diameter inside the band to be mounted), each operating arm 11 is connected to the shaft 4. Are positioned substantially orthogonally to.

When a band 100 'having a small inner diameter is mounted, the operating arm 11 does not become substantially orthogonal to the shaft 4 as described above, and the one end 11a is connected to the other end 11a.
It goes without saying that the state is located forward of b. In the present embodiment, the slide arm 8 and the pressing piece 12 are formed in a columnar shape. Within range.

The pressing piece 12 has an outer surface in the width direction (transverse direction).
A pressing piece main body 12a having a desired length in an R shape;
Upper holder 12 integrally mounted on the inner surface side of 2a
b, and a slide piece 12g integrally suspended at the rear end of the main body 12a.
The other end 11b of the operating arm 11 is removably mounted on the shaft 2b, and a slide piece 12g is removably supported on the back cover 3 so that the pressing piece 12 can be moved up and down in the radial direction. 1, FIG. 2, FIG. 6, FIG. 7). In the present embodiment, the four pressing pieces 12 are formed in an annular shape with a desired diameter by the R-shaped outer surfaces.

The number of the pressing pieces 12 is arbitrary and is two or more.
a If the outer surface is formed in an annular shape with a desired diameter,
The outer surface R shape is also arbitrary. That is, at least when the slide member 8 moves forward and is positioned at the forefront (when the band is not mounted), the pressing piece main body 12a descends most, and the ring formed by the outer surface of each pressing piece main body 12a has the smallest diameter. (Diameter indicated by reference symbol d in FIG. 1), and the diameter d is the band 100 '.
When the slide member 8 is retracted and positioned at the rearmost position (when pressing the band), the pressing piece main body 12 rises most, and the outer surface of each pressing piece main body 12a The ring formed has the largest diameter (diameter indicated by reference numeral d1 in FIGS. 1 and 5), and has such a large diameter that the diameter d1 is close to and pressed against the inner diameter of the band 100 '(FIG. 1). In addition, the length of the pressing piece main body 12a is approximately the same as the axial width of the band 100 '.

Although the pressing piece main body 12a has been described as having an outer surface R shape, even if the pressing piece main body 12a has a flat outer surface, each pressing piece main body 12a... Therefore, it is within the scope of the present invention.

The pressing piece main body 12a is connected to the other end 1 of the operating arm 11.
1b is detachably mounted on the shaft, so that the band 100 '
The length can be changed according to the width (winding width). For example, several pressing piece bodies having different lengths are prepared, and the band 1
The pressing piece main body is configured to be slidable in the length direction, and the length is adjusted as appropriate according to the width of the band 100 ′.

Further, in this embodiment, the distal end (the end in the band mounting direction) of the pressing piece main body 12a is formed in a downwardly inclined shape, and the downwardly inclined distal end acts as a mounting guide for the inner diameter of the band. However, the above configuration is not particularly limited and is optional within the scope of the present invention.

In the present embodiment, a locking portion 12j is protruded from the rear surface of the pressing piece main body 12a at the rear, and the elastic member 16 is bridged between the locking portion 15b and the receiving member 15.
The elastic member 16 is a coil-shaped spring having locking portions 16a at both ends. The elastic member 16 does not resist any elasticity when the pressing piece main body 12a is lowered most.
When it rises, it is stretched against elasticity. That is, the elastic member 16 plays an auxiliary role in the lowering operation of the pressing piece main body 12a. The elastic member 16 is not limited to the above-mentioned coil spring at all, and may be a leaf spring, rubber, or the like as long as it has the same function as the above-described coil spring. Further, the shape of the locking portion 16a can be optionally changed within the scope of the present invention.

The upper holder 12b is formed substantially in the shape of a substantially rectangular tube, is provided with a fitting projection 12c at the upper end, and is provided with an operating arm shaft attaching portion 12d at the lower end side, and presses the fitting projection 12c at the upper end. It is fitted and fixed in a fitting hole formed substantially at the center position of the piece main body 12a and is hung down from the inner surface of the pressing piece body 12a. The operating arm shaft attaching portion 12d is composed of two standing pieces 12e, 12e arranged side by side in the axial direction at a desired interval, and the other end 11b of the operating arm 11 is provided between the standing pieces 12e, 12e. At the same time, the pin 11 is inserted in the same direction as one end 11a of the slide member 8 which is axially attached to the operating arm axial attachment portion 8b.
The shaft is rotatably and detachably mounted at c.

The embodiment of the entire shape of the upper holder 12b and the working arm shaft attaching portion 12d is merely an embodiment of the present invention, and is not limited to this. The other end 11b of the working arm 11 can be rotated. Any structure may be used as long as it has a structure to be attached to the device.

The slide piece 12g is formed in a substantially rectangular shape as a whole, is integrally suspended at the rear end of the pressing piece body 12a, and is slidable on the back cover 3 so as to be able to move up and down in the radial direction. It is pivoted. In the present embodiment, for example, a slide groove 12h having a desired length is formed in the length direction (vertical direction) of the slide piece 12g, and two slide grooves 12h are formed in the slide groove 12h in the vertical direction.
The pins 12i and 12i are inserted and the pins 12i and 12i are fixed to the back cover 3 to pivotally support the sliding piece 12g in the vertical direction.

That is, the relationship between the slide groove 12h and the two pins 12i is lower when the pressing piece main body 12a is lowered and the operating arm 11 is tilted (when the band is not mounted). A groove is left below the pin 12i of FIG.
3 and 4), the pressing piece main body 12a is raised, and the operating arm 1 is moved.
1 is in a standing state (when the band is pressed and mounted), a groove is left above the upper pin 12i (FIG. 5). It coincides with the ascending and descending range of 12a. In the present embodiment, the upper and lower pins 12i that support the slide piece 12g are two upper and lower pins. However, the number of pins is not limited at all, and it is possible to ensure that the slide piece 12g can move up and down. There is no problem if there is only one or three or more.

In the present embodiment, the holding lid 13 is formed in a disk shape, the inner surface 13a of the holding lid serves as a band side holding section, and the center of the lid is formed with a concave inward. A shaft insertion hole 13c is formed at the center of the concave portion,
The periphery of the shaft insertion hole 13c on the back surface of the concave portion serves as the contact surface 13b of the lid receiving member 9 or the slide member 8, and a lid having a well-known structure is used in this type of packing machine.

The presser lid 13 is not particularly limited to its entire shape, but has a shaft insertion hole 13c and an inner surface (contact surface) 13b which comes into contact with the front surface of the lid receiving member 9 or the slide member 8.
Anything that can press the slide member 8 inward in the axial direction by the tightening operation is within the scope of the present invention. For example, without having a disk-shaped configuration as described above, and having a shaft insertion hole,
An example in which a plurality of band pressing pieces are provided radially from the outer periphery of the insertion hole is shown (not shown).

The tightening member 14 is provided around a screw portion 14a which is screwed to the screw portion 5 provided on the distal end side of the shaft 4, and a tightening member having a well-known structure is used in this type of packing machine.

In the above-described embodiment, the pressing cover 13 having a pressing portion having a desired diameter for holding the side surface of the band is one of the constituent elements. As long as the band can be held in the axial direction by holding the side of the band with a structure, even the form without the holding lid 13 is within the scope of the present invention. For example, a band side holding wall (not shown) may be provided upright at one end in the length direction of the pressing piece main body 12a of the pressing piece 12, and the band side may be held by the holding wall. With such a configuration, by tightening the fastening member 14 inward in the axial direction, the fastening member 14 directly
Is retreated in the axial direction, the pressing piece main body 12a of the pressing piece 12 ascending presses the inner diameter of the band from the inside, and the band side holding wall is positioned on the band side to suppress the axial movement of the band. This is an effective configuration when the width in the axial direction of the band 100 'to be worn is standardized. If the width of the band 100 'in the axial direction is not standardized, it is more effective to use the tightening operation by the holding lid 13 because the band width can be widely adjusted.

In this embodiment, the roll-shaped winding material is described using the paperless tube band 100 'having no core, but it goes without saying that various roll-shaped materials having a core can also be used. That is, even in the case of a roll-shaped material having a core, the inner diameter of the core may be deformed for some reason during transportation and storage. If the inner diameter of the core is deformed in this way, the device ( It cannot be mounted on the packing machine) side. According to this device, even if the inner diameter of the core body is deformed, the outer diameter of the roll-shaped winding material mounting device 2 is set to be smaller than the inner diameter of the roll-shaped winding material, and the roll-shaped winding material is Since the loose fitting can be performed, the mounting work can be easily performed without any trouble.

Next, a method of mounting a band in the packing machine of the present embodiment will be described. First, remove the presser lid 13,
A band 100 'is attached to the outer periphery of each pressing piece main body 12a (FIG. 3). At this time, the slide member 8 is pressed to the foremost portion by the elastic force of the coil spring 10, and each pressing piece 12 is lowered via each operating arm 11 so as to be moved from the outer periphery of each pressing piece body 12a. The annular diameter d is smaller than the inner diameter of the band (FIGS. 1, 3, and 4). Therefore, the annular diameter d when the band is attached is
Since the diameter is smaller than the inner diameter of 0 ', the band mounting operation is completed without any resistance.

Next, the holding lid 13 is inserted into the shaft 4 through the shaft insertion hole 13c, the contact surface 13b on the back surface of the concave portion is brought into contact with the coil spring 9, and then the fastening member 14 is connected to the shaft 4 (Figs. 4 and 5).

As described above, the holding lid 13 is fixed to the fastening member 14.
The slide member 8 is pushed in with the movement of the presser lid 13 inward in the axial direction, and the elastic member 10 is tightened.
Retreat against the elasticity of Therefore, the distance between the back cover 3 and the back cover 3 in the initial mounting state of the press cover 13 is L, but when the tightening is completed, the distance L1 is substantially equal to the axial width of the band 100 '(FIG. 1). With the retreat of the slide member 8,
The operating arms 11 rise up orthogonally to the shaft 4 and the pressing piece main bodies 12a rise. As the pressing piece main bodies 12a are raised, the small annular diameter d changes from the small annular diameter d to the large annular diameter d1, and the outer periphery of each pressing piece main body 12a.. . Therefore, even a band 100 'without a core (paperless band) can be easily and tightly held without preparing an additional intervening member. At this time, the side surface of the band is in contact with the inner surface 13a of the presser lid, and the axial movement is suppressed.

Then, the band 100 'is completely used up,
When the next band 100 'is to be mounted, first, when the tightening member 14 is turned in a loosening direction, the elasticity of the coil springs 9 and 10 causes the slide member 8 and the holding lid 1 to move.
3 is advanced. The presser lid 13 is similarly removed by removing the fastening member 14, and the operating arms 11 fall down as the slide member 8 advances, and the pressing piece main body 1 is moved with the movement.
2a ... descends. At this time, the coil spring 16 assists the downward movement of the pressing piece main body 12a. Therefore, when the pressing piece main body 12a descends, the large annular diameter d1 changes to a small annular diameter d, which is smaller than the inner diameter of the band 100 ', so that the next wound band is mounted.

Therefore, according to the present embodiment, in this type of packing machine, the press-fitting of the band 100 'can be easily performed by utilizing the conventionally well-known tightening operation of the holding lid 13 as it is. .

When a band having a paper tube is used and the paper tube is deformed, it is also possible to remove the pressing piece 12 (or the operating arm 11) at a location where deformation is remarkable, and attach the band. is there.

In the above-described embodiment, as an embodiment of the method and apparatus for mounting the roll-shaped winding material of the present invention, the illustrated shape has been described. The material mounting device is inserted into the inner diameter of the roll-shaped winding material, and then, by expanding the outer diameter of the device, the outer diameter pushes the inner diameter of the roll-shaped winding material radially outward to be pressed, Any method may be used as long as the roll-shaped winding material is mounted and held by the pushing force of the outer diameter, and is not particularly limited to the method of the present embodiment.

Further, according to the present invention, an inner diameter pressing and holding member of a roll-shaped winding material is provided on the outer periphery of the shaft, and the inner diameter pressing and holding member has an outer diameter smaller or larger than the inner diameter of the rolled winding material. May be configured so as to be freely expandable and contractible in the radial direction, and is not particularly limited to the mounting device of the present embodiment. For example, an inflatable body is provided around the outer periphery of a rotatably arranged shaft, and when the inflatable body is inserted into the inner diameter of the roll-shaped wound material, the outer diameter thereof is smaller than the inner diameter of the material. When the material is contracted and the material is mounted and held, the outer diameter becomes larger than the material inner diameter, and the outer diameter pushes up and presses the material inner diameter radially outward to expand the material so that it can be tightly held. The configuration is given as another example.
In this case, the expansion / contraction operation of the expansion body is optional such as an injection type such as air and gas, and the operation thereof is also optional such as electrical and can be arbitrarily changed within the scope of the present invention.

[0046]

Since the present invention has the above-described structure, the material wound into a roll (for example, a paperless tube band, etc.)
Can be inserted without resistance, the setting operation is easy, and the mounting method and the mounting device for the roll-shaped winding material that can easily and surely press and hold the roll-shaped winding material can be provided.

That is, a roll-shaped winding material without a core (for example, a paperless band) can be easily and reliably held without preparing any core-substituting member. As a result, even a band without a core can be used,
The problem of discarding the core can be solved effectively. Of course, even a roll-shaped winding material having a core is within the scope of the present invention.

In addition, since the configuration is simple, the cost is inexpensive, and the working labor can be reduced. Furthermore, the drum provided in a device such as a conventional packing machine,
By simply replacing the device for mounting the roll-shaped winding material of the present invention, the conventionally used equipment can be continuously used as it is. Therefore, the existing facilities can be used effectively,
There is no problem of wasting cost, and various problems that have been encountered in the past can be immediately and effectively solved at low cost.

[Brief description of the drawings]

FIG. 1 is an enlarged longitudinal sectional view showing a main part of a packing machine of the present invention.

FIG. 2 is an exploded perspective view of a main part.

FIG. 3 is a longitudinal sectional view showing an inserted state of a roll-shaped winding material.

FIG. 4 is a longitudinal sectional view showing a state in which a holding lid and a fastening member are mounted.

FIG. 5 is a longitudinal sectional view of a state in which a roll-shaped winding material is pressed and held.

FIG. 6 is a front view of a main part.

FIG. 7 is a front view showing a state in which the slide piece is pivotally supported.

FIG. 8 is a perspective view showing an entire packing machine according to an embodiment.

FIG. 9 is a perspective view showing the whole of another embodiment of the packing machine.

FIG. 10 is a perspective view showing the whole of another embodiment of the packing machine.

FIG. 11 is a perspective view showing the whole of a packing machine according to another embodiment of the present invention.

FIG. 12 is a perspective view of a band having a core.

FIG. 13 is a longitudinal sectional view of a conventional technique.

FIG. 14 is a perspective view of a band without a core (paperless tube band).

FIG. 15 is an exploded longitudinal sectional view of another prior art.

FIG. 16 is a longitudinal sectional view of a conventional technique.

[Explanation of symbols]

1: packing machine body 2: roll-shaped winding material mounting device 4: shaft 7: inner diameter pressing and holding member 8: sliding member 10: elastic member 11: operating arm 12: pressing piece 13: holding lid 14: fastening member d: band Annular diameter when not attached d1: Annular diameter when band pressed and attached 100 ': Paperless tube band

Claims (3)

[Claims] 1. An apparatus for mounting a roll-shaped winding material having an outer diameter that is freely expandable and contractable is inserted into the inner diameter of the roll-shaped winding material, and then the outer diameter of the device is expanded so that the outer diameter is reduced. A method for mounting a roll-shaped winding material, wherein the inner diameter of the roll-shaped winding material is pushed up and pressed radially outward, and the roll-shaped winding material is mounted and held by the push-up pressure of the outer diameter. 2. An inner diameter pressing and holding member for a roll-shaped winding material is provided on an outer periphery of a shaft, and the inner diameter pressing and holding member is configured such that an outer diameter is reduced in a radial direction to a diameter smaller or larger than the inner diameter of the rolled winding material. An installation device for a roll-shaped winding material, which is configured to be scalable. 3. An inner diameter pressing and holding member made of a roll-shaped winding material is provided on the outer periphery of the shaft, and the inner diameter pressing and holding member is provided with a plurality of pressing pieces that can be raised and lowered in the radial direction in an annular shape in the circumferential direction of the shaft. The outer diameter of the ring formed by each of the pressing pieces is smaller than the inner diameter of the roll-shaped winding material when descending, and is larger than the inner diameter of the roll-shaped winding material when ascending. An apparatus for mounting a roll-shaped winding material, wherein the mounting device presses and holds the inner diameter of the roll-shaped winding material.