JPH0912014A - Packaging machine - Google Patents

Abstract

PURPOSE: To make the machine more compact, and speed up a packaging by a method wherein a container-feeding motion and a foreign object removing motion are performed at one feeding station, and in addition, the foreign object-removing motion is performed under a state wherein the whole body of the container is located higher than a container holding hole to operate a conveyor without trouble during the foreign object-removing motion. CONSTITUTION: A packaging machine has a container holding hole 12 which receives the mouth edge flange F of a container C by the upper end opening edge part, and is equipped with a conveyor 11 which is intermittently driven so that the container holding hole 12 may be stopped at a feeding station S in order. Then, a stopper 52 is arranged at a level which is at the same or higher than the height of the container C from the upper end opening edge part of the container holding hole 12 being stopped at the feeding station S. Also, on the side of the stopper 52, a container stacker 31 is arranged, and a carrying plate 33 which reciprocates between the stopper 52 and the stacker 31 directly under them is arranged. By the carrying plate 33, the container C is carried from the stacker to a location directly under the stopper 52, and is drawn up by a suction pipe 53, and the container C is held in contact with the stopper 52. Then, foreign object in the container is removed, and the container is transferred to the container holding hole 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging machine for supplying a container to a conveyor, and filling and sealing the contents of the container being conveyed by the conveyor, and more particularly to a packaging machine for supplying a container to a conveyor. The present invention relates to a packaging machine that removes foreign substances.

[0002]

2. Description of the Related Art As a packaging machine of this type, for example, as disclosed in Japanese Utility Model Publication No. 4-49049, it has a container holding hole for receiving an edge flange of a container at an upper end opening edge and holds the container. A conveyor that is intermittently driven so that the holes are sequentially stopped at the supply station; a supply means for supplying the container to the container holding hole at the supply station; and a container for moving the lower end into and out of the container at a station one downstream from the supply station. A vertical bottom end suction pipe for removing foreign matter in a container which is arranged so as to be vertically movable is known.

[0003]

In the above packaging machine, the container supplying operation for supplying the container to the conveyor and the foreign matter removing operation for removing the foreign matter in the container are performed in different stations, which aims at downsizing of the machine. It was an obstacle to the above. Further, since the lower end of the suction pipe is put in the container when performing the foreign matter removing operation, it is necessary to stop the conveyor during this period, which is an obstacle to speeding up the machine.

An object of the present invention is to provide a packaging machine which can be made compact and high speed.

[0005]

SUMMARY OF THE INVENTION A packaging machine according to the present invention has a container holding hole for receiving an edge flange of a container at an upper end opening edge, and the container holding hole is intermittently stopped at a supply station. A conveyor driven by the holding means, a holding means for holding and holding the container so that the whole container is positioned above the container holding hole in the feeding station, a feeding means for feeding the container to the holding means, and a holding means. A vertical lower end opening suction pipe for removing foreign matter in the container, which is arranged to be movable up and down so that the lower end can be moved in and out of the held container, and a transfer means for transferring the container from the holding means to the container holding hole. There is something.

Further, the holding means has a stopper which is arranged at a level higher than the height of the container from the upper end opening edge of the container holding hole stopped at the supply station and which restricts the upward movement of the container, It is preferable that the suction pipe has a suction force capable of sucking up the container supplied by the supply means to bring the upper end of the container into contact with the stopper and hold the container in this state.

Further, the feeding means is arranged so as to reciprocate between the downwardly-directed container stacker disposed outside the stopper and the space immediately below the stopper and directly below the stacker, and the inwardly-directed container stacker engages with the container. A transport plate having a substantially semi-circular cutout, and a sucker capable of ascending and descending through a cutout of the transport plate located immediately below the stacker and capable of adsorbing the bottom of the lowest container in the stacker. Is preferred.

Further, when the transfer means is provided with a sucker which can move up and down through the container holding hole stopped at the supply station and can adsorb the bottom of the container suspended from the stopper, the foreign matter can be removed. After operation, the container is transported to the container holding hole by the sucker.

[0009]

The packaging machine according to the present invention has a container holding hole for receiving the rim flange of the container at the upper end opening edge, and the conveyor is driven intermittently so that the container holding holes are sequentially stopped at the supply station. A holding means for holding and releasing the container so that the entire container is positioned above the container holding hole at the supply station; a supplying means for supplying the container to the holding means; and a container held by the holding means. Since a vertical lower end opening suction pipe for removing foreign matter in the container, which is vertically movable so that the lower end can be moved in and out, and transfer means for transferring the container from the holding means to the container holding hole, are provided. The operation and the foreign matter removing operation are performed in one supply station.

Further, when performing the foreign matter removing operation, since the lower end of the suction pipe is put in the container with the entire container being positioned above the container holding hole, the conveyor can be operated without any trouble during this time. it can.

Further, the holding means has a stopper which is arranged at a level higher than the height of the container from the upper edge of the container holding hole stopped at the supply station and which restricts the upward movement of the container. When the suction pipe has a suction force capable of sucking up the container supplied by the supply means to bring the upper end of the container into contact with the stopper and holding the container in this state, the suction pipe is moved up and down to hold and hold the container. You can release the hold. Further, the supply means is arranged so as to be capable of reciprocating between the downward-facing container stacker arranged outside the stopper and the space directly below the stopper and directly below the stacker, and the inward substantially semicircular shape for engaging the container. From the stacker, a transport plate having an arcuate notch and a sucker capable of ascending and descending through the notch of the transport plate located directly below the stacker and adsorbing the bottom of the lowest container in the stacker are provided. The container is taken out by the sucker, and the taken-out container is made to stand by therebelow.The notch of the carrier plate engages the flange of the container, and the carrier plate conveys the container directly below the stopper. Contacted and held by the stopper.

Further, when the transferring means is provided with a sucker capable of moving up and down through the container holding hole stopped at the supply station and sucking the bottom of the container suspended from the stopper, the foreign matter is removed. After the operation, the container is transferred from the stopper to the container holding hole while the bottom of the container is sucked by the sucker.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

Referring to FIGS. 1 and 2, the packaging machine has a horizontal disc-shaped turntable 11. Near the outer circumference of the turntable 11, there are a number of circular container holding holes 12
Are provided at regular intervals. The cup-shaped container C is inserted into the container holding hole 12, and the container edge flange F is received at the upper opening edge of the container holding hole 12.

The turntable 11 is driven intermittently so that two container holding holes 12 are sequentially stopped at a plurality of processing stations including the container supply station S.

Stations other than the container supply station S include, although not shown, primary and secondary filling stations, an inner lid sealing / trimming station, an outer lid capping station, a discharge station and the like.

A container supply device 21 is arranged outside the container supply station S, and an in-container foreign matter removal device 22 is arranged above the container supply station S. In addition, 2
One container receiving sacker 23 is arranged so that it can be moved up and down through the two container holding holes 12 stopped at the container supply station S, respectively.

The container supply device 21 adsorbs the containers C from the stacker 31 for each line, and a stacker 31 that accommodates a plurality of the containers C in two rows in the rotation direction of the turntable in a vertically stacked state. Sucker for taking out two upward containers
32, a horizontal plate-shaped transport plate 33 for simultaneously transporting the two containers C taken out by the sucker 32 to above the supply station S, and a positioning member 34 arranged at the end of the transport path of the transport plate 33. .

The stacker 31 is supported by the column 41 and has a horizontal plate-shaped base plate 43 having two circular outlets 42 arranged in the turntable rotation direction, and is provided upright at a plurality of locations around each outlet 42. The guide rod 44 is provided, and the opening / closing claw 45 provided immediately below each take-out port 42 and engageably and disengageably engages with the lowest flange edge F of the container in the stacker 31.

As shown in detail in FIG.
At the inner end of the container, there are two substantially semicircular cutouts that engage with the container C.
46 are provided. One edge of the transport plate is received by a horizontal guide rail 47 extending inward and outward, and the other edge is received by a piston rod of a horizontal inward hydraulic cylinder 48. On the outer surface of the positioning member 34,
An arcuate abutment surface 49 is provided which is matched with a part of the outer peripheral surface of the container mouth edge flange F.

The foreign matter removing device 22 in the container is arranged at a level higher than the height of the container C from the upper opening edge of the container holding hole 12 stopped at the supply station S and the container holding hole.
A horizontal plate-shaped stopper 52 having two air inlets 51 smaller than the diameter of the container C located directly above 12 and two air inlets 51 can be inserted at a slight interval and moved up and down. And two vertical lower end opening suction pipes 53 arranged as described above.

A small gap is provided between the transport plate 33 and the stopper 52, which have been advanced above the supply station S, so as to limit the amount of air flowing into the container C by suction of the suction pipe 53. There is. Stopper 52
A large number of ventilation holes 54 are provided around the air inlet 51 at regular intervals. A horizontal rectangular tubular header pipe 57 is connected to the upper ends of the two suction pipes 53. A vertically downward piston rod of a fluid pressure cylinder 58 is connected to the middle of the length of the header pipe 57.

Next, the container supply and foreign matter removal operations will be described.
This will be described below with reference to FIG.

As shown in FIG. 5 (a), the transport plate 33 is positioned directly below the stacker 31, and the suction pipe 53 is provided.
Is kept waiting at the upper limit. Also, a sacker for receiving containers
23 is kept waiting at the lower limit.

In this state, the container take-out sucker 32 rises to adsorb the bottom of the lowest container C in the stacker 31. Then, as shown in FIG. 5 (b), the container unloading sucker 32 descends, the container C is engaged with the notch 46 of the transport plate 33 in the middle thereof, and the suction of the container unloading sucker 32 is released. Then, the container C is held by the transport plate 33 in a state of being received by the flange F thereof.

As shown in FIG. 5C, the carrier plate 33 holding the container C is moved inward, and the container C is carried directly under the stopper 52. In this state, as shown in FIG. 5 (d), the suction pipe 53 descends and the air inlet 51
The air inlet 51 is closed by the suction pipe 53. Then, the inside of the container C becomes a negative pressure, and the container C is sucked up and brought into contact with the stopper 52,
The container C is held in a suspended state from the stopper 52.

When the container C is held by the stopper 52, the transport plate 33 is moved outward and returned to the position right below the stocker 31.

When the lower end of the suction pipe 53 reaches near the bottom of the container C, the descent of the suction pipe 53 is stopped. In this state, as shown by the arrow A in FIG.
The air in the container C is sucked through the lower end opening of the suction pipe 53, and the air is made to flow from the outside of the container C into the container C through the ventilation hole 54. Along with this, an air flow is generated toward the lower end opening of the suction pipe 53, and this air flow causes the container C
The foreign matter inside is transported and removed.

When the foreign matter in the container C is removed, as shown in FIG.
As shown in FIG. 5, the container receiving sucker 23 rises to adsorb the bottom of the container C suspended from the stopper 52, and then the suction pipe 53 rises. As shown in FIG. 5 (f), the container receiving sucker 23 that has adsorbed the container C descends, and the flange F of the container C is received at the edge of the container holding hole 12 in the middle of the container receiving sucker 23. When the suction is released, the container C is held on the turntable 11, and the one cycle container supply operation is completed.

[0030]

According to the invention described in claim 1, since the container supply operation and the foreign matter removal operation are performed in one supply station, the machine can be made compact.

Further, when performing the foreign matter removing operation, since the lower end of the suction pipe is put in the container with the whole container being positioned above the container holding hole, the conveyor can be operated without any trouble during this time. Therefore, the speed of the machine can be increased.

According to the second aspect of the present invention, since the container can be held / released by raising / lowering the suction pipe, the container can be easily held / released.

According to the third aspect of the present invention, the container is taken out from the stacker by the sucker, and the taken-out container is made to stand by immediately below the container. After the plate conveys the container directly below the stopper, the container contacts the stopper.
Since the carrier plate is held, the carrier plate can be immediately returned to the position immediately below the stocker, and the carrier plate can carry out the carrier operation reliably and quickly.

According to the fourth aspect of the present invention, after the foreign matter removing operation, the container is transferred from the stopper to the container holding hole while the bottom of the container is sucked by the sucker, so that the container is securely held in the container holding hole. Can be supplied.

[Brief description of the drawings]

FIG. 1 is a perspective view of a packaging machine according to the present invention.

FIG. 2 is a vertical vertical sectional view of the packaging machine.

FIG. 3 is a horizontal sectional view taken along line III-III in FIG.

FIG. 4 is a vertical vertical cross-sectional view of the foreign matter removing device in a container of the packaging machine.

FIG. 5 is an operation explanatory view of the packaging machine.

[Explanation of symbols]

 11 Turntable 12 Container holding hole 31 Stacker 32 Sucker 33 Transfer plate 46 Notch 52 Stopper 53 Suction pipe C Container F Flange S Station

Claims (4)

[Claims] 1. A conveyor (11) having a container holding hole (12) for receiving an edge flange (F) of a container (C) at an upper end opening edge thereof, and the container holding hole (12) is intermittently driven so as to be sequentially stopped at a supply station (S). Holding means for holding and holding the container C so that the whole container is positioned above the container holding hole 12 in the supply station S, a supplying means for supplying the container C to the holding means, and a holding means for holding the container C by the holding means. A vertical lower end opening suction pipe 53 for removing foreign matter in the container, which is vertically movable so that the lower end of the container C can be moved in and out, and transfer means for transferring the container from the holding means to the container holding hole 12. Packaging machine equipped with. 2. The holding means has a stopper 52 arranged at a level higher than the height of the container C from the upper edge of the upper end of the container holding hole 12 stopped at the supply station S and restricting the upward movement of the container C. The suction pipe 53 has a suction force capable of sucking up the container C supplied by the supply means to bring the upper end of the container C into contact with the stopper 52 and holding the container 52 in this state. The packaging machine described. 3. The supply means is arranged so as to be capable of reciprocating between a downward container stacker 31 arranged outside the stopper 52, and directly below the stopper 52 and directly below the stacker 31, and is connected to the container C. The lowermost container C in the stacker 31 that moves up and down through the transport plate 33 having the inward facing substantially semi-circular cutout 46 and the cutout 46 of the transport plate 33 located immediately below the stacker 31. The packaging machine according to claim 2, further comprising a sucker 32 capable of adsorbing a bottom. 4. The transfer means moves up and down through the container holding hole 12 stopped at the supply station S and the stopper 52.
Sucker capable of adsorbing the bottom of container C suspended from
The packaging machine according to claim 2 or 3, further comprising: