JPH05330517A - Equipment for automatic replacement of film magazine - Google Patents

Abstract

PURPOSE:To form automatically and easily continuous wrapping film only by setting film magazines to a conveyance apparatus. CONSTITUTION:The equipment is composed of a conveyance apparatus 13, on which a plurality of film magazines 1, each having a drawing-out port at its upper end and with wrapping film 3 contained therein in wound-up form, are placed so that the magazines can be conveyed one after another, a pair of film magazine-receiving bodies that are arranged so that they can be lifted up and down in parallel with the conveyance apparatus 13 and a pair of film magazine transfer devices 17 that are arranged so that they can hold the film magazine 1 and transfer it between the conveyance apparatus 13 and the film magazine-receiving bodies. The equipment is further composed of a pair of film-drawing devices 25 that are arranged so that they can draw the front end of the wrapping film 3 out of the drawing-out port and move it to a specified position and a film end-splicing device that is placed between the paired film-drawing devices 25 and is arranged so that it can splice the tail end of the wrapping film 3 positioned on one side onto the front end of another wrapping film 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic film magazine changing device in, for example, an automatic packaging device.

[0002]

2. Description of the Related Art Conventionally, for example, an automatic packaging apparatus for plastic films, that is, an automatic packaging apparatus for sequentially feeding and packing a wide plastic film is required as disclosed in Japanese Patent Laid-Open No. 60-251008. At least two roll films each having a required width of a plastic film of a width are loaded at the same time, and each roll film is guided to a film connecting position through a plurality of guide rollers. .. The films derived from the roll films are independent of each other, and one film is fed out to the next-stage automatic packaging device from the delivery roller via the connection position, and the other film is positioned at the connection position with its leading end portion. In this way, the film is stopped and stands by, and when the film that has been fed out earlier disappears, the leading end of the next film is connected to the trailing end of this film and is fed out.
When there is no more film to be fed out in this way, the replenished roll film is fed out and the film is continuously fed to the automatic packaging apparatus.

[0003]

By the way, according to the prior art disclosed in the above publication, for example, a plurality of roll films are independently arranged in parallel, and each of the roll films has a plurality of films. Since it is set on the guide roller and the presser roller respectively,
This requires a large space for arranging these roll films side by side, and when one roll film that has been set runs out, a new roll film must be set again on each of the guide rollers and the presser roller. It is troublesome, labor-intensive,
There were problems such as poor productivity, inefficiency, and high cost.

[0004]

SUMMARY OF THE INVENTION An automatic film magazine changing device of the present invention is intended to solve the above-mentioned problems, and has a drawer at the upper end thereof, and a film magazine in which a packaging film is wound and stored. And a pair of film magazine receivers arranged such that a plurality of the above-mentioned outlets are arranged so that they can be sequentially conveyed, and a pair of film magazines are arranged so as to be able to move up and down at a predetermined interval in parallel with the longitudinal direction of the conveyor. And a pair of film magazine transfer devices arranged so as to hold the film magazine and transfer the transfer device and the film magazine receiver to each other, and the leading end of the packaging film is pulled out from the outlet. And a pair of film drawing devices arranged so as to be movable to a predetermined position, and located between the pair of film drawing devices,
The end portion of the packaging film in one of the film magazines and the starting end portion of the packaging film in the other film magazine are constituted by a film end adhering device arranged so that they can be adhered to each other. And

[0005]

1 to 8 are views showing a preferred embodiment of an automatic film magazine changing device according to the present invention.
Is a schematic front view showing the overall structure of the film magazine automatic changing device of the present invention, FIG. 2 is a perspective view of the film magazine used in the present invention device, and FIG. 3 is a schematic side view showing a specific example of the essential parts of the present invention device. 4 is the same schematic plan view, FIG. 5 is the same schematic front view, FIG. 6 is a schematic side view of the film drawing device in the device of the present invention, FIG. 7 is a schematic front view of the double-sided adhesive tape feeding device with the cutter, and FIG. FIG. 9 is a schematic front view showing a state in which the trailing end of the film in one film magazine and the leading end of the film in the other film magazine are bonded via a double-sided adhesive tape cut into a predetermined length, and FIG. It is a schematic plan view which shows the relationship between the film magazine in an invention apparatus, a film drawing-out apparatus, and the double-sided adhesive tape feeding device with a cutter.

As shown in FIG. 2, 1 (1a, 1b) is a film roll 5 (5a, 5b) formed by winding a wide plastic film 3 for packaging on a paper tube 2 (2a, 2b).
Is a plurality of film magazines that are stored in a rectangular housing 4. Inside the housing 4, a pair of inclined supports 6 that support the film rolls 5 (5a, 5b) are provided at the initial stage of storage. Has been. The film roll 5 (5a,
5 b) is stored from the upper opening of the housing 4. A lid 7 is attached to the rear end of the upper opening by a hinge 8 so as to be openable and closable. A comb-shaped notch outlet 9 (9a, 9b) is provided at the front end of the upper opening of the housing 4, and the paper tube is provided on both side surfaces 4a, 4b of the housing 4. 2 (2a, 2b) is provided with a rotation support portion 19 described later.
(19a, 19b) is inserted into the film magazine 1
Support holes 10 (10a, 10b) for supporting the are provided.

A film guide roller 11 is arranged at a position slightly rearward of the cutout outlet 9 (9a, 9b) so that the film roll 5 can be removed when the film roll 5 is stored. That is, the notch support portion 12 for supporting the tip end of the film guide roller 11 is provided on the inner surfaces of both side surface portions 4 a and 4 b of the housing 4. It is convenient to pull out the film 3 if the leading end 3a of the film 3 is slightly pulled out after the film roll 5 is stored.

1, FIG. 3, FIG. 4, and FIG. 5, numeral 13 is a plurality of film magazines 1 each containing a film 3 wound therein.
Is arranged such that the notch outlets 9 (9a, 9b) face each other so that they can be sequentially conveyed, for example, a belt conveyor,
It is a conveyance device such as a roller conveyor. 14 (14
a, 14b) are a pair of film magazine receivers arranged at a predetermined interval in parallel with the longitudinal direction of the transport device 13, and the film magazine receivers 14 (14a, 14b) are provided.
b) is an elevating device 16 which is connected via a motor 15 and a connecting member 15a and which is, for example, a pantograph.
It is possible to move up and down by (16a, 16b).

As shown in FIG. 3, 17 (17a, 17b) comprises a holder 18 of the film magazine 1 and a guide groove 18b for guiding and moving a guide portion 18a provided on the upper surface of the holder 18. The film magazine transfer device 17 is a pair of film magazine transfer devices. The film magazine transfer device 17 holds the upper end portion of the film magazine 1 by the holder 18, and moves the film magazine 1 by a guide portion moving means such as an actuator or a motor (not shown). The transfer surface 13a of the transfer device 13 and the film magazine receiver 14 are arranged so that they can be transferred to each other.

The film magazine receiver 14 (14a,
The upper surfaces 14aa and 14bb of 14b) are always located on the same surface as the transfer surface 13a of the transfer device 13. That is, the film magazine 1 transferred by the transfer device 13 is moved from the position of the transfer device 13 to the position of the film magazine receiver 14 by the film magazine transfer device 17 in a direction perpendicular to the transfer direction of the transfer device 13. Are transferred to. Thereafter, the film magazine receiver 14 is lowered by the motor 15 and the lifting device 16.

The reference numerals 19 are normally separated from each other by a distance larger than the width of the film magazine 1. When the film magazine receiver 14 is lowered, the support holes 10 (10a, 10a, 10
b) is a pair of rotation supporting parts for inserting into the paper tube 2 (2a, 2b) respectively. These rotation supporting portions 19 are gears 21, 2 connected to the motor 20.
It is provided so that it can be inserted into and removed from the paper tube 2 (2a, 2b) via the Nos. 2 and 23. 24 is a pair of the rotation support parts
The guide shafts 9 are arranged in parallel.

Reference numeral 25 (25a, 25b) allows the tip portion 3a of the film 3 to be sucked by vacuum pressure from the notch outlet 9 (9a, 9b) of the film magazine 1 and moved to a substantially central position. , A pair of film drawing devices arranged so as to be movable from the substantially central position to the notch drawing outlet 9 (9a, 9b) of the film magazine 1. The pair of film drawing devices 25 are screwed on a gear shaft 27 connected to a rotation shaft of a motor 26, and both sides thereof are supported by a pair of guide shafts 28. The gear shaft 27 has a film drawing device 25 (25a, 25a) at the center thereof.
It is rotatably screwed by the stopper 29 of b).

In the film drawing device 25, the film is drawn out by the suction means, but the film may be drawn out by other means such as a sandwiching means or a crimping means.

The film drawing device 25 (25a, 25a
The notch outlet 9 (9a, 9a,
9b), the roller attracting member 31 (31a) of the film can be turned upside down in a horizontal state as shown in FIGS. 4 and 5, and can be rotated by an actuator 30 in a vertical state at a substantially central position as shown in FIG. , 31b) are attached. The film drawing device 25 (25a, 25
b) is a vertical moving plate 32 (32a, 3) as shown in FIG.
2b), and the vertically movable plate 32 is arranged so as to be vertically movable by a pair of gear shafts 33. Reference numeral 34 is a motor that rotates these gear shafts 33 via a connecting member 35 such as a belt and a pulley.

As shown in FIGS. 5 and 7, 36 (36a,
36b) is a pair of film drawing devices 25 (25a, 2
5b) is a pair of reels which are spaced apart from each other and face each other. These reels 36 (36a, 36b)
Is a plastic material 37 (37a, 37b)
Double-sided adhesive tape 38 (38a, 38b) attached to the surface
But each is wound. 39 (39a, 39b)
Is a pair of reels around which the cloth 37 (37a, 37b) from which the double-sided adhesive tape 38 (38a, 38b) is peeled is wound. A hexagonal double-sided adhesive tape feeding body 41 (41a) in which six slits 40 are formed at equal intervals on the outer circumference in the longitudinal direction below the reel 36a and the reel 39a and between the reel 36b and the reel 39b. , 41b)
Are arranged so that they can be intermittently rotated by a motor 42, a pulley, and a belt 43, respectively.

As shown in FIGS. 5, 7 and 9, 44 (4
4a, 44b) is a double-sided adhesive tape 38 (38a, 38a, 38a, 38b adhered to the outer periphery of the hexagonal double-sided adhesive tape feeding body 41.
38b) is a pair of cutters that are arranged so as to be opposed to the slits 40 so that they can be moved horizontally in order to appropriately cut a predetermined length (length between slits). Reference numeral 45 denotes a stopper that stops the rotation of the double-sided adhesive tape feeding body 41 when the double-sided adhesive tape 38 is cut, and intermittently moves up and down in synchronization with the intermittent operation of the double-sided adhesive tape feeding body 41. This operation is performed by a pair of, for example, electromagnetic plungers 46 provided below the stopper 45. 47
(47a, 47b) is a pair of the double-sided adhesive tape and the cloth guide roller, and 48 (48a, 48b)
Is a pair of fabric guide rollers.

Next, the operation of the automatic film magazine changing device according to the present invention will be described. A plurality of film magazines 1 (1a, 1b), each containing a roll of film 5 formed by winding a wide plastic film 3 for packaging around the paper tube 2 in a quadrangular casing 4, are mounted on a transfer device 13. When the outlets 9 are sequentially conveyed in the arrow direction while facing each other, the front film magazine 1a stops at the side position of the right film magazine receiver 14a shown in FIG. 1, and the rear film magazine 1b It stops at the lateral position of the left film magazine receiver 14b shown in FIG.

Here, each film magazine receiver 14
The film magazines 1a and 1b stopped by a stop sensor (not shown) at the lateral positions of a and 14b, respectively.
Holds the upper ends of the film magazines 1a and 1b by the holders 18 of the film magazine transfer devices 17a and 17b, respectively, and receives the film magazines which are elevated from the position of the transport device 13 by the lifting devices 16a and 16b. The bodies 14a and 14b are moved to the respective positions and lowered by the lifting devices 16a and 16b. The film magazines 1a and 1b lowered by the lifting and lowering devices 16a and 16b respectively have support holes 1
It is supported by a pair of rotation supporting portions 19 inserted into the paper tube 2 via 0a and 10b, respectively.

In such a state, first of all, the attracting member 31a with a roller in the horizontal state in the film drawing device 25a.
Is inserted into the notch outlet 9a of the front film magazine 1 (the right film magazine 1a shown in FIGS. 1, 4 and 5), and the tip 3a of the plastic film 3 for packaging is attached to the roller-attached adsorbent 31a. The film is attracted by a vacuum pressure and moved to a substantially central position, and the roller-adsorbing element 31a of the film drawing device 25a is placed in a vertical state to release the adsorption of the leading end of the film 3. It is supplied to the automatic wrapping machine side via. At this time, the roller adsorber 31b of the film drawing device 25b is inserted into the notch drawing outlet 9b of the rear film magazine 1 (the left film magazine 1b shown in FIGS. 1, 4 and 5). The tip 3a (starting end) of 3 is adsorbed by vacuum pressure.

When the film 3 of the film magazine 1a reaches the trailing end, a leading end 3a of the film 3 in the film magazine 1b is detected by a trailing end detection sensor (not shown).
The (starting end portion) is pulled out to a substantially central position because it is attracted to the roller-attached adsorbent 31b of the film withdrawing device 25b by vacuum pressure. When the film pull-out device 25b is raised slightly upward together with the roller-attached attracting member 31b in the horizontal state during the pulling out in this way, both ends cut to a predetermined length at the tip 3a (starting end) of the film 3 The adhesive tape 38 is adhered to the film magazine 1 at a substantially central position as shown in FIG.
The trailing end of the film 3 of a and the leading end 3a (starting end) of the film 3 in the film magazine 1b are adhesively connected via a double-sided adhesive tape 38. In this way, the film 3 of the film magazine 1b, which is continuously adhered and connected to the film 3 of the film magazine 1a, is supplied to the unillustrated automatic packaging device side via a plurality of guide rollers.

Thereafter, the film magazine receiver 14
The film magazine 1a, on which the film 3 placed on the upper surface 14aa of the sheet a is completely evacuated, is lifted by the elevating device 16a, and the upper surface 1 of the film magazine receiver 14a
The film magazine transfer device 17a transfers the film 4aa onto the transport device 13. Then, while being conveyed in the direction of the arrow by the conveying device 13, the film magazine 1a containing the new film 3 is conveyed and stopped at the side position of the film magazine receiver 14a, and the film magazine transfer device 17a. Is transferred from the position of the transport device 13 to the position of the film magazine receiver 14a, and the film magazine receiver 14a is lowered by the elevating device 16a. Further, the film magazine 1b in which the new film 3 is stored is
3, the film magazine receiver 14b is conveyed.
To a side position.

When the film 3 of the film magazine 1b reaches the end, the end detection sensor (not shown) causes the leading end 3a (starting end) of the film 3 in the film magazine 1a to be sucked by the roller of the film drawing device 25b. Since the child 31b is sucked by the vacuum pressure, the child 31b is pulled out to a substantially central position. While being pulled out in this way, the film pull-out device 25a
8 is slightly raised upward together with the roller-attached adsorbent 31a in a horizontal state, the double-sided adhesive tape 38 cut to a predetermined length is adhered to the leading end 3a (starting end) of the film 3, as shown in FIG. At a substantially central position, the terminal end of the film 3 of the film magazine 1b and the leading end 3a (starting end) of the film 3 of the film magazine 1a are adhesively connected via a double-sided adhesive tape 38. In this way, the film 3 of the film magazine 1a, which is continuously adhered and connected to the film 3 of the film magazine 1b, is supplied to the unillustrated automatic packaging device side via a plurality of guide rollers.

Then, the film magazine receiver 14 is attached.
The film magazine 1b in which all the films 3 placed on the upper surface 14bb of the film b are lifted by the lifting device 16b, and the upper surface 1 of the film magazine receiver 14b is lifted.
The film magazine is transferred from above 4 bb to the transfer device 13 by the film magazine transfer device 17 b. Then, while being transported in the direction of the arrow by the transport device 13, the film magazine 1b containing the new film 3 is transported and stopped at the side position of the film magazine receiver 14b, and the film magazine transfer device 17b. Is transferred from the position of the transport device 13 to the position of the film magazine receiver 14b, and the film magazine receiver 14b is lowered by the elevating device 16b. Further, the film magazine 1a in which a new film 3 is stored is conveyed by the conveying device 13 and the film magazine receiver 14 is conveyed.
Stop at the side of a.

By repeating such an operation, the end portion of one packaging film and the start portion of the other packaging film are adhered to each other via the double-sided adhesive tape cut into the predetermined length. The film for continuous packaging is formed so as to be supplied to the automatic packaging device (not shown).

In the embodiment of the present invention, the end portion of the one packaging film and the start portion of the other packaging film are adhered to each other through the double-sided adhesive tape cut into the predetermined length and are continuous. Although the packaging film is formed, the present invention is not limited to this, and the ends of these films may be appropriately adhered via a single-sided adhesive tape, or may be adhered by heat welding such as heat sealing. Of course.

[0026]

According to the automatic film magazine changing device of the present invention, a plurality of film magazines each having a drawer at the upper end thereof and containing a packaging film wound therein are sequentially conveyed with the drawers facing each other. And a pair of film magazine receivers arranged so as to be able to move up and down at a predetermined interval in parallel with the longitudinal direction of the carrier, and on the carrier holding the film magazine. A pair of film magazine transfer devices arranged so that they can be transferred to and from the film magazine receiver, and a pair of film drawers arranged so that the leading end of the packaging film can be drawn out from the drawing outlet and moved to a predetermined position. Located between the device and the pair of film drawing devices,
Since the end portion of the one packaging film and the start portion of the other packaging film are configured by a film end adhering device arranged so that they can be adhered to each other, supply to the automatic packaging device side If there is no continuous packaging film, it is possible to automatically form a continuous packaging film easily without setting man-hours by setting only a plurality of the film magazines sequentially in the conveying device. Also, it has various practical effects such as good productivity, high efficiency, compact size, and low cost.

[Brief description of drawings]

FIG. 1 is a schematic front view showing the overall configuration of a preferred embodiment of an automatic film magazine changing device according to the present invention.

FIG. 2 is a perspective view of a film magazine used in the device of the present invention.

FIG. 3 is a schematic side view showing a specific example of a main part of the device of the present invention.

FIG. 4 is a schematic plan view of the same.

FIG. 5 is a schematic front view of the same.

FIG. 6 is a schematic side view of a film drawing device in the device of the present invention.

FIG. 7 is a schematic front view of the double-sided adhesive tape feeding device with the cutter.

FIG. 8 shows the end portion of the film in one film magazine and the start portion of the film in the other film magazine.
A schematic front view showing a state of bonding via a double-sided adhesive tape cut into a predetermined length,

FIG. 9 is a schematic plan view showing a relationship among a film magazine, a film drawing device, and a cutter-attached double-sided adhesive tape feeding device in the device of the present invention.

[Explanation of symbols]

 1 (1a, 1b) Film magazine 3 Plastic film for packaging 3a Tip (starting end) of film 5 (5a, 5b) Film roll mass 9 (9a, 9b) Notch outlet 13 Transport device 13a Transport surface 14 (14a, 14b) film magazine receiver 16 (16a, 16b) lifting device 17 (17a, 17b) film magazine transfer device 18 holder 18a guide portion 18b guide groove 25 (25a, 25b) film drawing device 31 (31a, 31b) with roller Adsorbent 32 (32a, 32b) Vertical moving plate 38 (38a, 38b) Double-sided adhesive tape 40 Slit 41 Double-sided adhesive tape feeding body 44 (44a, 44b) Cutter

Claims (1)

[Claims] 1. A transport device in which a plurality of film magazines, each having an outlet at an upper end thereof and having a packaging film wound therein, are arranged such that the outlets are opposed to each other so that a plurality of films can be sequentially transported. A pair of film magazine receivers arranged so as to be able to move up and down at a predetermined interval in parallel with the longitudinal direction of the carrier device, and the film magazine is held and transferred between the carrier device and the film magazine receiver. Between the pair of film magazine transfer devices arranged so that they can be moved, a pair of film drawing devices arranged so that the leading end of the packaging film can be drawn out from the drawing port and moved to a predetermined position, and between the pair of film drawing devices. Located at the end portion of the packaging film in the one film magazine and the beginning portion of the packaging film in the other film magazine, An automatic film magazine changing device comprising a film end adhering device arranged so as to be capable of adhering to each other.