JPH05294323A - Device for feeding dish-shaped container made of soft thin material - Google Patents

Abstract

PURPOSE:To take out containers piled up in a hopper one by one from the bottom of the hopper. CONSTITUTION:When a separation body 12 advances, the rising portion 2a of a lowermost container 1a is deformed elastically by the frictional force between the container 1a and a push body 15 and moved downwards so that the container 1a is separated from the rising portion 2b of a container 1b overlying the container 1a. The portion 2a of the downwardly moving container 1a is cut open by a receiving blade 6 and the portion 2b of the container 1b makes contact with the block 6, so that the container 1b is prevented from moving downwards. Pressure air is blown from an air nozzle 31 into between the portions 2a, 2b so that the portions 2a, 2b are held in a separated state. The underside of the lowermost container 1a is sucked by a sucking port of a movable take-out body 22, so that the container 1a is separated from the container 1b and taken out of a hopper 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large number of dish-shaped containers which are made of a soft thin material such as paper, synthetic resin film, aluminum foil, etc. The present invention relates to a device for supplying a dish-shaped container made of a soft thin material for separating and taking out one by one from a state of being stacked and accommodated.

[0002]

2. Description of the Related Art Conventionally, as a device for supplying a dish-shaped container made of a soft thin material, a large number of stacked containers are not dropped onto the peripheral portion of the receiver part in a hopper which is a receiver part whose lower surface is open. The bottom surface of the lowermost container exposed in the opening of the receiving part is adsorbed by the movable take-out body having the adsorption port on the upper surface, and the lowermost container is accommodated in the receiving part. There was used a device which was taken out from the opening of and moved to the supply position.

[0003]

DISCLOSURE OF THE INVENTION A dish-shaped container made of a soft thin material is formed by forming a corrugated rising portion by press-molding the peripheral portion of a fixed number of the soft thin materials in a stacked state. By doing so, it is shaped like a dish.
In this way, the container molded with a certain number of laminated layers is
Due to the corrugation by the press, the rising parts are in close contact with each other and are in close contact with each other, making it difficult to peel them one by one.

Therefore, when taking out the lowermost container,
If only the lower surface of the container is adsorbed by the movable take-out body, the uppermost parts of the container cannot be separated from the second container from the bottom while the rising parts are still in close contact with each other. There was a fear of being

Further, particularly when the container is made of a material having air permeability such as paper, when the lowermost container is sucked by the movable take-out member, the suction force also acts on the second container from the bottom. It will be. Therefore, in addition to the strong adhesion at the rising edge of the peripheral edge, the suction force of the movable take-out member also acts on the second container from the bottom, so that the bottom container and the container from the bottom are
There was a problem that it became more difficult to separate from the first container.

[0006]

As a means for solving the above-mentioned problems, the present invention comprises a rising portion made of a soft thin material such as paper, synthetic resin film, aluminum foil, etc., with a peripheral edge portion expanding upward. Lapping a large number of dish-shaped containers stacked and accommodating, and stacking by stacking by accommodating a cutting edge that projects to the inside of the hopper and the outer peripheral surface of the rising part of the bottommost container It consists of a receiver blade that supports the container and a material that causes a large amount of friction, such as rubber, and it pushes into contact with the rising part of the container at the bottom by rubbing downward to the inside of the hopper. A separating actuator,
Equipped with a suction port connected to the vacuum generator on the upper surface, from the holding position that sucks the center of the lower surface of the lowermost container to the supply position that releases the suction of the lowermost container through the ejection position below that holding position. It consists of a movable take-out body that moves along the route.

In the above structure, an air nozzle may be provided for ejecting the pressurized air obliquely downward toward the outer peripheral surface of the rising portion of the lowermost container.

[0008]

According to the present invention having the above-described structure, when supplying a container, first, a large number of containers are stacked on the hopper and the outer peripheral surface of the rising part of the container at the bottom is received by the receiver blade. The movable take-out body is moved to the holding position so that the upper surface thereof is brought into close contact with the central portion of the lower surface of the lowermost container.

In such a state, when the separating actuating member projects obliquely downward to the inside of the hopper and pushes the rising part of the lowermost container, the separating actuating part produces a large gap between the rising part and the separating actuating part. Due to the frictional force, the peripheral edge portion of the lowermost container is elastically deformed so as to move the rising portion together with the separating actuating member obliquely downward inward of the hopper, and the rising portion is disengaged from the receiver blade.

At this time, the upper part of the lowermost container is incised by the blade edge of the receiver blade, and the peripheral edge of the lowermost container moves downward to the blade edge of the receiver blade. Simultaneously with the start of, the outer peripheral surface of the rising part of the second container from the bottom is locked.

By this engagement with the receiver blade, the second container from the bottom is prevented from being detached from the hopper together with the lowermost container, and is kept in the state of being accommodated in the hopper. To be done. As a result, the peripheral edge of the lowermost container and the bottom 2
The peripheral portion of the first container is separated.

After the lowermost container and the second container from the bottom are separated at the peripheral edge in this manner, a negative pressure is generated in the suction port of the movable take-out member by driving the vacuum generator, and the lowermost container is driven. The central part of the lower surface of the is adsorbed, and the movable take-out body is moved downward while still adsorbing.

The lowermost container moves downward together with the movable take-out body. On the other hand, the second container from the bottom is held in the state of being housed in the hopper without moving downward due to the engagement with the receiver blade. As a result, the lowermost container is separated from the second container from the bottom and is carried to the supply position by the movable take-out body.

At the supply position, the lowermost container is supplied to a predetermined position by releasing the suction by the movable take-out member. After this, the movable take-out member moves to the holding position and comes into close contact with the lower surface of the container at the bottom of the hopper.

By repeating the above-mentioned operation, the containers stacked in the hopper are stored from the lowest container to the first container.
The sheets are taken out one by one and supplied.

As explained by the above operation, the plate-shaped container supply device made of the soft thin material according to the present invention has the same structure as the lowermost container before the lowermost container is adsorbed and taken out from the hopper. Since the second container from the bottom is separated at its peripheral portion, even if the rising portion of the peripheral portion of the laminated container is strongly adhered due to corrugation by press molding, it is difficult to separate. There is an effect that the containers can be surely separated one by one from the lowermost one and taken out from the hopper.

Further, since the container is made of a material having air permeability such as paper, when the lowermost container is also sucked, the suction force also acts on the second container from the bottom. The second container is held by the receiver blade so that it does not move downwards. Therefore, when the lowermost container is adsorbed by the movable ejector and moved downward, the second container There is an effect that only the lowermost container can be reliably taken out without the eye container being taken out together from the hopper.

When an air nozzle for jetting pressurized air is provided obliquely downward toward the outer peripheral surface of the rising portion of the lowermost container, the peripheral portion of the lowermost container is operated by the separating operation member. When it is moved downward, by ejecting pressurized air from the air nozzle, the pressurized air moves downward from the bottom held in the hopper by the engagement with the peripheral edge of the lowermost container and the receiver blade. It is possible to more reliably perform the operation of separating the peripheral portions of the two containers from each other by making the peripheral portion of the second container enter the gap.

Further, when the lowermost container is adsorbed by the movable take-out member and is moved downward, the pressurized air is blown out, so that the entire space between the lowermost container and the second container from the bottom. Pressurized air will be blown across,
The reliability of the separating operation of both containers can be further enhanced.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. The container 1 is formed in a dish shape by bending a peripheral portion of a circular sheet made of a soft thin material such as paper, a synthetic resin film, and an aluminum foil with a press in a stacked state, The bent peripheral edge portion of the container 1 forms a rising portion 2 which is not shown and is diagonally raised so as to spread upward.

The hopper 3 for accommodating the container 1 has a structure in which three holding plates 4 elongated in the vertical direction are arranged at intervals of 120 ° on concentric circles having the same size as the outer diameter of the container 1 and fixed to a frame (not shown). Become. The open upper end of the hopper 3 serves as a storage port for putting the container 1 into the hopper 3, and the open lower end also serves as an outlet for taking out the container 1 from the hopper 3. .. Such hopper 3
The container 1 accommodated therein is positioned so as to be immovable in the horizontal direction by bringing the rising portion 2 into contact with the inner surface of the holding plate 4.

To each holding plate 4 of the hopper 3, a receiver blade 6 having a blade edge 6a of an upward blade protruding toward the inside of the hopper 3 is fixed via a bracket 7. This receiver blade 6 is a container 1 whose blade edge 6a is housed in the hopper 3.
The container 1 is held so as not to move downward by contacting the outer peripheral surface of the rising portion 2 which is inclined downward.

Similarly, at the lower end of each holding plate 4, a separating actuator 8 having an advancing / retreating rod 9 projecting obliquely downward from the front end surface toward the center side of the hopper 3 is provided horizontally at the base end thereof. The swing around the support shaft 10 is freely supported via a bracket 11. At the tip of the advancing / retreating rod 9 of the separating actuator 8, a holding substrate 13 is attached.
The separation actuating body 12 is fixed to the mounting recess 14 formed in the above with a pushing body 15 made of a material such as rubber or a file that can cause a large friction, fixed with its upper surface and tip end surface exposed.

The lower surface of the holding substrate 13 of the separating actuating body 12 has a guide surface 16 for guiding, which is substantially parallel to the advancing / retreating rod 9, and a base end side thereof with respect to the guiding surface 16 for guiding. And the guide surface 17 for the separating operation is obliquely formed.

A guide pin 20 projecting parallel to the support shaft 10 of the separating actuator 8 is fixed to the lower end of the bracket 11 which supports the separating actuator 8. The guide pin 20 has a guide surface 16 for guiding and a guide surface 1 for separating operation due to the weight of the separating actuating body 12.
7 are slidably contacted with each other, whereby the separating actuating body 12 is kept in an obliquely downward posture, and the corner edge 19 formed by the upper surface of the pushing body 15 and the tip end surface is housed in the hopper 3. Further, it corresponds to the outer peripheral surface of the upright portion 2a of the lowermost container 1a in a diagonally downward direction.

The movable take-out body 22 for taking out the container 1 in the hopper 3 is in the shape of a disk having a smaller diameter than the container 1, and the upper end portion of the elevating rod 24 which is vertically moved by the driving of the elevating actuator 23. Is stuck to. The movable take-out body 22 has a plurality of suction ports 25 formed on the upper surface thereof, and the suction port 25 has a suction guide hole 26 formed in the movable take-out body 22 and a suction guide hole 27 formed in the lifting rod 24. By doing so, it is connected to a vacuum generator (not shown).

The movable take-out member 22 is located below the hopper 3, and is moved upwardly from the holding position in which the upper surface of the movable take-out member 22 is concentrically adhered to the lower surface of the lowermost container 1a in the hopper 3 by the upward movement of the lifting rod 24.
The elevating actuator 23 horizontally moves through a take-out position below the holding position to reciprocate along a path to a supply position (not shown) deviated from the take-out position.

Further, the brackets 11 for supporting the separating actuators 8 of the respective holding plates 4 are slightly smaller than the positions where the cutting edges 6a of the receiver blades 6 on the outer peripheral surface of the rising portions 2a of the lowermost container 1a hit, respectively. The air nozzle 31 that directs the lower part to the nozzle and ejects the pressurized air obliquely downward is equipped with the bracket 3
It is fixed by 2.

Next, the operation of this embodiment will be described. A plurality of container laminated bodies 1S, which are formed into a dish shape by pressing with a certain number of containers 1 stacked, are accommodated in the inside of the hopper 3 so as to be dropped from the accommodation opening at the upper end thereof. The container stack 1S housed at the bottom is the container 1a at the bottom.
The outer peripheral surface of the upright portion 2a of the blade 2 in the diagonally downward direction
It is held at the lower end position of the hopper 3 so as not to fall by being locked to a. Other container laminated bodies 1S are sequentially stacked and accommodated on the container laminated body 1S locked to the receiver blade 6.

When taking out the container 1 housed in the hopper 3 as described above, first, as shown by the solid line in FIG.
Movable take-out body 22 by driving actuator 23 for raising and lowering
Is positioned at the holding position and its upper surface is brought into close contact with the lower surface of the lowermost container 1a.

In this state, the separating actuator 8 operates, and the separating operating body 12 is guided by sliding the guiding guided surface 16 of the holding base body 13 to the guide pin 20 to guide the separating operating body 12 (see FIG. 3). From the position indicated by the chain line in A),
Advance toward the inside.

The separating operation body 12 that has advanced is shown in FIG.
As shown by the solid line, after the corner edge 19 formed by the upper surface of the pusher body 15 and the tip end surface is brought into contact with the outer peripheral surface of the rising portion 2a of the lowermost container 1a, the guided surface 17 for separating operation is guided. By being guided in sliding contact with the pin 20, the pusher 15 pushes the outer peripheral surface of the rising portion 2a of the lowermost container 1a and moves diagonally downward.

At this time, the pusher 15 and the bottommost container 1
A large frictional force is generated between the rising edge 2a of a and the peripheral edge portion including the rising edge 2a of the lowermost container 1a begins to be pushed down while elastically deforming due to the frictional resistance.

Along with the lowering of the rising portion 2a of the lowermost container 1a, the rising portion 2a is incised by the blade edge 6a of the receiver blade 6, and the blade edge 6a has the second container 1b from the bottom.
The outer peripheral surface of the rising portion 2b is locked. By this engagement with the receiver blade 6, the container 1b, which is the second sheet from the bottom, is held in a state in which the downward movement is blocked.

Further, the pusher 15 and the bottommost container 1 are
The magnitude of the frictional force generated between the a and the rising portion 2a is larger than the frictional force generated between the rising portion 2a of the lowermost container 1a and the rising portion 2b of the second container 1b from the bottom. Therefore, the rising portion 2a of the lowermost container 1a is cut by the receiver blade 6 to the rising portion 2b of the second container 1b from the bottom as shown by the solid line in FIG. 3 (B). It slides downward with respect to it, and as shown by the chain line in FIG. 3 (B), it is disengaged from the receiver blade 6 and separated from the rising portion 2b.

On the other hand, pressurized air is ejected from the air nozzle 31 when the downward movement of the lowermost container 1a starts, and this pressurized air is supplied to the lowermost container 1a and the second container 1 from the bottom.
It is blown into the gap between the rising portions 2a, 2b of b which are separated from each other.

Further, as the rising portion 2a of the lowermost container 1a moves downward, the rising portion 2a covers a wide range on both sides in the circumferential direction of the portion rubbed by the pusher 15. As a result, elastic deformation occurs and the container is separated from the second container 1b from the bottom, so that pressurized air is blown into this widely separated part.

Thereafter, the separating actuating body 12 retreats and returns to the position shown in FIG. 3C, but the peripheral portion including the rising portion 2a of the lowermost container 1a is the second from the bottom. Due to the pressure of the pressurized air blown between the container 1b and the container 1b, it remains held in a state of being separated from the peripheral portion of the second container 1b from the bottom against the elastic restoring force.

After the lowermost container 1a and the second container 1b from the bottom are separated at the rising portions 2a and 2b in this manner, a vacuum generator (not shown) is driven to attract the suction port of the movable take-out member 22. A negative pressure is generated in 25, and the central portion of the lower surface of the lowermost container 1a is adsorbed to the upper surface of the movable takeout body 22.

By driving the elevating actuator 23 in this state, the movable take-out body 22 is lowered to the take-out position shown by the chain line in FIG. As a result, the lowermost container 1a moves downward together with the movable take-out body 22. on the other hand,
The container 1b, which is the second sheet from the bottom, has its rising portion 2b at the receiver blade 6
Since it is held so as not to move downward due to the fact that it is locked to, it remains in the state of being housed in the hopper 3. Therefore, only the lowermost container 1a is taken out from the hopper 3.

When the container 1 is made of a material having air permeability such as paper, the suction force of the movable take-out member 22 also acts on the second container 1b from the bottom so that the container 1a at the bottom is at the bottom. When moving, the second container 1b from the bottom is also pulled downward, but the second container 1b from the bottom is held immovably by locking to the receiver blade 6. Moreover, since the rising portion 2b is in close contact with the rising portion 2 of the third container 1 from the bottom due to the corrugation by the press, there is no fear of being taken out from the hopper 3.

The lowermost container 1 taken out from the hopper 3.
While being adsorbed to the movable take-out body 22, a is carried to the supply position (not shown) via the take-out position, the adsorption is released at this supply position, and the a is removed from the movable take-out body 22. After the container 1a is removed, the movable take-out body 22 passes through the take-out position,
It is moved back to the holding position in which it is in close contact with the lower surface of the new lowermost container 1a that is locked to the receiver blade 6 inside.

By repeating the above-described operation, the containers 1 accommodated in the hopper 3 are sequentially taken out one by one from the lowest container and supplied.

In the present embodiment, the hopper 3 is designed to support the container 1 at three locations spaced by 120 ° in the circumferential direction, but the container 1 may be supported at four locations. It may be performed at five or more locations.

[Brief description of drawings]

FIG. 1 is a plan view.

FIG. 2 is a partially cutaway side view.

3 (A), (B) and (C) are partially cutaway enlarged side views showing the operation of separating the containers.

FIG. 4 is a partially enlarged perspective view.

[Explanation of symbols]

1, 1a, 1b: container 2, 2a, 2b: rising part 3:
Hopper 6: Receiver blade 6a: Blade edge 12: Separation actuating body 22: Movable take-out body
25: Adsorption port 31: Air nozzle

Claims (2)

[Claims] 1. A lower surface for stacking and accommodating a large number of dish-shaped containers made of a soft thin material such as paper, a synthetic resin film, and an aluminum foil, and having a peripheral portion that is a rising portion that extends upward. Is open, and a receiver blade that supports the stacked containers by projecting inward of the hopper and applying a blade edge to the outer peripheral surface of the rising uppermost part of the container to lock the container, and a large rubber or the like. A separation actuating member made of a material that causes friction, and pressingly contacting the rising portion of the lowermost container by rubbing downward to the inside of the hopper, and a vacuum generator on the upper surface. In a path from a holding position for sucking the lower surface central portion of the lowermost container to a supply position for releasing the suction of the lowermost container via an extraction position below the holding position. From the movable extractor that moves A device for supplying a dish-shaped container made of a soft thin material, which is configured. 2. The soft thin material according to claim 1, further comprising an air nozzle for ejecting pressurized air obliquely downward toward the outer peripheral surface of the rising portion of the container located at the lowermost stage. Feeder for dish-shaped containers.