JP3449038B2 - Automatic bag dispensing and feeding device and bag transport magazine used in the device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic bag feeding / feeding device and a bag transporting machine for automatically removing a bag such as a standing pouch packed in a bag transport magazine from the bag transport magazine and supplying it to a filling and packaging machine or the like. Regarding magazines.

[0002]

2. Description of the Related Art Standing pouches, for example, which are filled with liquid detergent for refilling, are generally made of a synthetic resin sheet having a relatively large thickness, and have the drawback that their surfaces are very slippery and difficult to align and difficult to handle. In addition, since the bag is made in a state in which the mouth is two and the bottom is four, the bottom becomes twice as thick as other parts when stacked, which is unstable and extremely difficult. In addition, there is a problem that the load tends to collapse and automatic handling is difficult.

Therefore, conventionally, such bags are handled only by hand. In a bag making factory, a predetermined number (for example, 50 bags) of bags discharged from a bag making machine are manually put and put in a plastic bag. Are packed in cardboard boxes,
Further, in the filling factory, the unloading is performed manually by the operation reverse to the above, and the unfilled material is supplied to the filling machine.

[0004]

As described above, the handling of the standing pouch-shaped refill bag in the bag making factory or the filling factory has not been automated yet and is performed only by hand, which is inefficient. It requires a lot of manpower and raises the production cost, and its automation is required.

The present invention was devised in view of the above-mentioned circumstances, and in particular, the bags packed in a bag transportation magazine which is a magazine that a user goes to from a bag manufacturing factory are automatically transferred from the bag transportation magazine at a filling site or the like. It is an object of the present invention to provide an automatic bag take-out / feeding device that can be taken out to be supplied to one or a plurality of filling machines and the like, and a bag transport magazine used in the device.

[0006]

SUMMARY OF THE INVENTION To achieve the above object, the bag automatic take-out and supply device of the present invention takes out a bag from a bag transport magazine which has been conveyed to a bag take-out position by a magazine conveyer conveyor, and moves it to the bag feed position. An automatic bag take-out / feeding device for supplying, wherein a suction rotor having a suction surface for suction-holding a bag on a peripheral surface thereof, rotates integrally with the suction rotor, and sucks the bag suction-held by the suction rotor. A transfer rotor provided with a bag transfer device having a suction head that is peeled off from the suction surface and transferred to a bag supply position. The bag transfer device has a direction detecting means for detecting the direction of the bag, and the suction head is configured to be rotatable so that the direction of the bag is aligned in one direction according to a detection signal of the direction detecting means. Is desirable.

A fixed cylindrical cam body having a cam groove formed on its circumferential surface is provided above the transfer rotor, and the bag transfer device is provided with a swing arm having the suction head at the tip thereof. Is swingably provided on the outer peripheral surface of the, and the base end of the swing arm is connected to the cam follower engaged with the cam groove of the fixed columnar cam body, and the transfer rotor rotates, If the swing arm is controlled by the cam groove to swing between the suction surface of the suction rotor and the bag supply position, the bag can be reliably transferred with a simple structure.

By providing the suction head at the tip of the swing arm via the rotary cylinder, the direction of the bag can be arbitrarily changed by a simple means. In addition, an inclined cam surface that enters the bag take-out position into the bag transport magazine that is conveyed to the position and raises the bag stored in the magazine to a position where the bag can be adsorbed to the adsorption surface of the adsorption head. By fixing the cam member having the above, the bag in the bag transport magazine can be surely adsorbed to the adsorption surface of the adsorption rotor.

On the other hand, the bag transport magazine of the present invention is formed in a rectangular box shape having a vertical wall, a horizontal wall and a bottom wall having an open top, and a cam member and a pusher can be inserted into the vertical wall and the subsequent bottom wall. A hole is formed and a bag passage hole is formed at the end of the lateral wall.

[0010]

[Function] When the bag transport magazine is transported to the bag take-out position, the bag at the leading end of the bag transport magazine in the transport direction is attracted by facing the suction surface of the suction rotor, and the suction rotor rotates to transport the bag. Each bag is taken out from the magazine and conveyed. The transfer rotor also rotates integrally with the suction rotor, the transfer device provided on the transfer rotor removes the bag adsorbed on the suction surface from the suction surface, and the bag suction rotor rotates to the bag supply position. Are transferred to the tray waiting at the bag supply position. Since the above steps are automatically performed, it is possible to save labor by automating the work of manually taking out the bag from the bag transport magazine and the work of supplying it to the filling and packaging machine, which are conventionally done manually.

The transfer device has a bag orientation detecting means,
In addition, by making the suction head rotatable, the direction of the bag in the bag transport magazine is detected, and the suction head rotates 180 ° according to the detection signal to automatically align the bag in one direction. It can be fed to the feeding position. Therefore, even if the bags are stored in the bag transport magazine in a state where they are not aligned in the position direction, they can be reliably aligned in the same direction and supplied to the filling machine or the like.

According to the third aspect of the present invention, the bag transfer device is controlled by the cam groove of the fixed cylindrical cam body in accordance with the rotation of the suction rotor, and the swing arm rotates in a substantially vertical state. By suctioning the suctioned bag on the suction surface and further raising it from a vertical state to a substantially horizontal body, the suction bag can be peeled off from the suction surface. When the suction head of the bag transfer device is rotated to the bag supply position located within the rotation track of the suction head, the suction of the bag is released and the bag is supplied into the tray waiting at the supply position. The swing of the suction arm is mechanically controlled by the fixed cylindrical cam body as the transfer rotor rotates, so the bag can be reliably stripped from the suction surface with a simple structure without the need for a special actuator. be able to.

Since the bag-conveying magazine has the entrance hole and the bag-passing hole, the cam member having the inclined surface can automatically enter the bag-conveying magazine which has reached the bag take-out position, and the bag can be conveyed. It can be lifted from the above to face the suction surface of the suction rotor to enable suction to the suction surface. Therefore, it can be adsorbed on the adsorption surface without requiring a special take-out device.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows an embodiment of an automatic bag taking-out and supplying system to a filling and packaging apparatus to which the bag automatic taking-out and supplying apparatus of the present invention is applied. In this bag automatic taking-out and supplying system,
A predetermined number of bags manufactured in the bag manufacturing factory are stored in a bag transport magazine (hereinafter simply referred to as a magazine) 3, and a predetermined number of the magazines are stacked on a pallet and transported to a filling factory. At the filling factory, depalletizing is performed from the pallet. The formed magazines are supplied to the magazine transfer conveyors 2 of a plurality of filling lines (3 lanes in the embodiment of FIG. 3) by the main transfer conveyor 1.
The bag automatic take-out and supply device 10 according to the present invention is arranged at the front end of each magazine conveyor, and the bag automatic take-out and supply device takes out the bags one by one from the magazine that has reached the front end, and the filling and packaging machine. 5 is supplied to the tray 7 which is conveyed by the bag supply conveyor 6 and is conveyed to the supply position of the filling and packaging machine by the bag supply conveyor and is supplied to the filling and packaging machine. The bag supply conveyor is configured so as to circulate between the filling machine and the automatic bag unloading and supplying device, and the empty tray is again conveyed to the unloading position from the automatic bag unloading and supplying device.

FIG. 2 is a view showing an arrow AA in FIG.
The layout relationship between the magazine transport conveyor 2 and the bag automatic take-out supply device 10 is shown, and FIG. 3 is a BB arrow diagram showing the layout relationship between the bag automatic take-out supply device and the bag supply conveyor.

Next, the automatic bag taking-out and supplying apparatus of the present invention will be described with reference to FIGS.
This will be described in detail with reference to FIG. As schematically shown in FIG. 2, the bag automatic take-out and supply device 10 of the present embodiment includes a suction rotor 12, a transfer rotor 13, and a fixed cylindrical cam body 14 which are vertically stacked, and the suction rotor 12 and The transfer rotor 13 is integrally rotated by a drive device. Adsorption rotor 1
As shown in FIG. 6, the reference numeral 2 has a suction surface 15 for suction-holding a plurality of (four in the illustrated embodiment) bags P on the peripheral surface at equal intervals. A large number of suction holes connected to each other are formed.

The transfer rotor 13 is provided with a plurality of bag transfer devices 16 for peeling the bags adsorbed by the suction rotor and supplying them to the trays on the bag supply conveyor, corresponding to the suction surface of the suction rotor. Has been. As shown in FIGS. 4 and 5, in the bag transfer device 16, a substantially hook-shaped swing arm 17 is swingably provided on a base 20 that is fixed to project from the outer peripheral surface of the transfer rotor 13. A suction head 19 is rotatably provided at the tip of the swing arm via a rotary cylinder 18. The suction head 19 is provided with a plurality of (two in the illustrated embodiment) suction cups 28 on a plate member 21 fixed to the tip of the rod of the rotary cylinder 18. Further, the suction head 19 or the swing arm 17 is appropriately provided with a bag detector for detecting the direction of the bag P.

A swing link 23 is swingably attached to the swing arm 17 near the base end of the hook portion near the pivot 22.
Further, the base end of the swing link is swingably attached to a cam follower 24 which is vertically moved by the cylindrical cam body 14. The cam follower 24 has a cam roller 26 that fits in the cam groove 25 of the cylindrical cam body 14 at the tip end thereof, and a guide rod 2 that fits in the base 20 so as to be vertically movable at the lower end thereof.
7 is fixed. Therefore, as the transfer rotor rotates, the cam follower 24 moves up and down under the control of the cam groove 25, and the base end portion of the link 23 also moves up and down, which causes the swing arm 17 to move. About 9
The suction head 19 is swingable by 0 ° so that the suction head 19 can swing between a vertical position for sucking the bag suction-held on the suction surface of the suction rotor and a horizontal position for supplying the bag to the tray. There is.

As shown in FIGS. 2 and 7, the leading end transport surface of the magazine transport conveyor 2 has an inclined cam surface 31 that rises in an inclined manner from the transport surface, and a wedge-shaped cam member 32 having a width smaller than the bag width. Is fixed. A pusher device (not shown) is provided above the front end of the magazine transport conveyor 2 to push the bag forward by entering the magazine from the rear end of the magazine that has reached this position.

On the other hand, as shown in FIG. 8, the magazine 3 for carrying the bags is formed in a rectangular box shape having an open upper part consisting of a vertical wall 40, a horizontal wall 41 and a bottom wall 42, and the vertical wall and the subsequent walls. An entry hole 43 into which the cam member 32 and the pusher can enter is formed in the bottom wall, and a bag passage hole 44 is formed in the end of the lateral wall.
Are formed. The entry hole 43 may be formed at the leading end of the magazine in the feeding direction with a hole into which the cam member can enter, and at the rear end with a hole into which the pusher can enter, but both ends can be used as both the cam member and the pusher. By forming the entry hole, the magazine can be fed in any direction without specifying the front-rear direction, which is convenient for handling. Further, a notch is formed in the front end of one side wall of the magazine to form a bag passage hole 44 so that the bag sucked by the suction rotor can be taken out from the magazine by rotating the suction rotor. It should be noted that, as shown in FIGS. 6 and 7, the magazine stores the bag in an upright state such that its side edges are in the vertical direction. Thereby, a large number of bags can be stored in one magazine.

The magazine transport conveyor 2 and the bag supply conveyor 6 stand by at a predetermined position so that the magazine 3 or tray 7 to be transported is timed with the automatic bag take-out supply device and the filling and packaging machine. A controllable stopper device 34, 35 for keeping it is appropriately provided.

The bag automatic take-out / feeding device of the present invention is constructed as described above, and when the magazine 3 containing the bags is carried by the magazine carrying conveyor 2 and reaches the vicinity of its tip, it is arranged there. The cam member collides with the cam member 32 and enters the leading end of the magazine, and as shown in FIG. 7, the bag P on the leading end side is moved toward the inclined cam surface 3 thereof.
The magazine is pushed upward along 1 and at the same time, the magazine hits a stopper 33 provided at the front end of the magazine conveyor and stops. After that, a pusher (not shown) is activated to extend into the magazine from the entry hole 43 formed at the rear end of the magasin and gently press the bag group forward.

As a result, as shown in FIGS. 6 and 7,
The upper half of the top bag faces the suction rotor 15 and is sucked to the suction surface by the suction action of the suction rotor. As the suction rotor rotates, the bag sucked on the suction surface is pulled in the rotation direction as shown in FIG. 6 and passes through the bag passage hole 44 provided in the side wall to come out of the magazine and suck the suction rotor. The surface is sucked and conveyed. When the first bag is removed, the next bag is similarly sucked by the suction rotor and sequentially taken out from the magazine.

The bag transfer device 1 provided on the transfer rotor which rotates integrally with the suction rotor as the suction rotor rotates.
6 is controlled by the cam groove 25 of the fixed cylindrical cam body 14, and as shown in FIG. 5, the swing arm 17 is rotated in a substantially vertical state and the suction cup body 28 is in a state of suctioning the bag on the suction surface. . When the suction surface of the suction rotor that has suctioned the bag rotates to a position near the supply position to the bag supply conveyor, the cam groove rises, so that the cam follower 24 also gradually rises, and accordingly, the swing arm 17 via the link 23. Is raised from the vertical state to the horizontal state, and the bag is peeled off from the adsorption rotor. Note that the suction force of the suction cup body is naturally set to be stronger than the suction force of the suction rotor. The direction of the stripped bag is detected by a detection device (not shown) provided on the suction head. If the direction is different, the rotary cylinder 18
Are aligned in one direction by rotating 180 °.

In this state, when the suction head 19 reaches above the tray located at the tip of the bag feeding conveyor,
The suction of the suction head is released and the bag is transferred to the tray 7. When one or a plurality of bags are stored in the tray 7, the tray is conveyed by the bag supply conveyor 6 to the supply position to the filling and packaging machine 5, and the bags are supplied to the filling and packaging machine. The empty tray 7 is again conveyed by the bag feeding conveyor 6 and is circulated to the bag feeding position again.

By repeating the above process, the magazine 3 containing a large number of bags is separately delivered to the filling and packaging machine in one or a small number of trays so that the bags are slippery and difficult to handle. However, it can be automatically and reliably supplied. Although various embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various design changes can be made.

[0027]

EFFECTS OF THE INVENTION According to the bag automatic take-out and supply device of the present invention,
Even with a standing pouch made of a relatively thick synthetic resin film, which was conventionally slippery and difficult to automatically feed to a filling machine, etc., due to the simple structure of the adsorption rotor and transfer rotor that rotate synchronously. As a result, the bag can be automatically taken out from the bag transport magazine and can be supplied to one or a plurality of filling machines, etc., and labor can be saved in the filling factory.

Further, since the direction of the taken-out bag can be detected and the suction head can be rotated in accordance with the detection signal, even if the bags are stored in the bag transport magazine in a non-uniform direction, the bag can be reliably transported. Can be supplied to a filling machine or the like in the same direction.

Since the swinging of the suction arm of the bag transfer device is mechanically controlled by the fixed cylindrical cam body by the rotation of the transfer rotor, no special actuator is required, and the structure is simple and reliable. The bag can be peeled off from the suction surface.

Since the bag-conveying magazine has the entry hole and the bag-passing hole, the cam member having the inclined surface can automatically enter the bag-conveying magazine that has reached the bag taking-out position, and a special take-out device can be provided. It can be adsorbed to the adsorption surface without need.

[Brief description of drawings]

FIG. 1 is a schematic view of an automatic bag taking-out and supplying system to a filling and packaging apparatus to which the bag automatic taking-out and supplying apparatus of the present invention is applied.

FIG. 2 is a schematic view taken along the line AA of FIG.

FIG. 3 is a schematic view taken along the line BB of FIG.

FIG. 4 is a perspective view showing an operating state of the bag transfer device according to the embodiment of the present invention when a bag is supplied to a tray.

FIG. 5 is a perspective view showing an operation state when a bag is sucked from the suction rotor of the bag transfer device according to the embodiment of the present invention.

FIG. 6 is a plan view showing an arrangement of a bag transport magazine and a suction rotor when a bag is taken out.

FIG. 7 is a front view thereof.

FIG. 8 is a perspective view of a transportation magazine according to an embodiment of the present invention.

[Explanation of symbols]

2 Magazine transport conveyor 3 Bag transport magazine 5 Filling and packaging machine 6 Bag supply conveyor 7 Tray 10 Bag automatic unloading supply device 12 Adsorption rotor 13 Transfer rotor 14 Fixed cylindrical cam body 15 Adsorption surface 16 Bag transfer device 17 Swing arm 18 Rotary Cylinder 19 Adsorption rotor 24 Cam follower 25 Cam groove 27 Guide rod 28 Sucker body 31 Inclined cam surface 32 Cam member 43 Entry hole 44 Bag passage hole

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-5-4620 (JP, A) JP-A-5-124751 (JP, A) JP-A 64-58634 (JP, A) JP-A 59- 133131 (JP, A) JP 7-53068 (JP, A) Actual flat 3-38813 (JP, U) Actual flat 6-16214 (JP, U) Actual flat 1-140344 (JP, U) 51-52500 (JP, U) 55-89144 (JP, U) 39-28980 (JP, B1) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65B 43/00-43/62 B65H 1/00-3/68

Claims (7)

(57) [Claims] 1. An automatic bag take-out and supply device for taking out a bag from a bag transport magazine that has been conveyed to a bag take-out position by a magazine conveyer and supplying it to a bag supply position, and a suction surface for sucking and holding the bag on a peripheral surface. A bag transfer device having a suction rotor in which the suction rotor is formed, and a suction head that rotates integrally with the suction rotor, sucks the bag suction-held by the suction rotor, peels the bag from the suction surface, and transfers the bag to a bag supply position. A bag automatic take-out and supply device comprising a transfer rotor equipped with. 2. The bag transfer device has a direction detecting means for detecting the direction of the bag, and the suction head is rotated so as to align the direction of the bag in one direction in response to a detection signal of the direction detecting means. The automatic bag take-out and supply device according to claim 1, which is possible. 3. A fixed columnar cam body having a cam groove formed on a circumferential surface is provided above the transfer rotor, and the bag transfer device has a swing arm having the suction head at a tip end thereof. The transfer rotor is provided on the outer peripheral surface of the transfer rotor so as to be swingable, and the base end of the swing arm is connected to a cam follower engaged with the cam groove of the fixed columnar cam body to rotate the transfer rotor. Accordingly, the swinging arm is controlled by the cam groove to swing between the suction surface of the suction rotor and the bag feeding position. 4. The automatic bag take-out / feeding device according to claim 1, wherein the suction head is provided at the tip of the swing arm via a rotary cylinder. 5. The bag take-out position is moved into a bag transport magazine that is conveyed to the position, and the bags stored in the magazine are raised to a position where they can be sucked by the suction surface of the suction head. 5. The automatic bag taking-out / feeding device according to claim 1, wherein a cam member having an inclined cam surface for fixing is fixed. 6. A bag supply conveyor for supplying a bag to a filling and packaging machine is provided at the bag supply position, and the bag transfer device transfers the bag from the suction rotor to a tray conveyed by the bag supply conveyor. The automatic bag taking-out and supplying apparatus according to any one of claims 1 to 5, wherein the bag is automatically placed. 7. A rectangular box shape having a vertical wall, a horizontal wall and a bottom wall having an open top, and an entrance hole into which a cam member and a pusher can enter is formed in the vertical wall and the bottom wall following the vertical wall, and the horizontal wall. A bag transport magazine having a bag passage hole formed at the end.