JPS5911052Y2 - Packaging container feeding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for feeding packaging containers stacked in a folded state one by one.

For example, a large number of rectangular cylindrical packaging containers for storing straight tube fluorescent lamps are stacked in a folded state in a hopper, and by suctioning them with negative pressure, they are loaded one by one into the container filling device. The material is supplied, shaped into a cylinder by this container filling device, and a fluorescent lamp is inserted therein.

Incidentally, this type of packaging container is generally made of single-corrugated cardboard or the like, and its surface is not necessarily smooth.

Therefore, when the material is sucked and sent out, a gap is formed between the material and the suction member, and the suction may not be completed completely.
In some cases, multiple packaging containers were sent out at the same time, making reliable supply impossible.

The present invention was developed based on the above circumstances, and its purpose is to reliably supply packaging containers stacked in a folded state one by one, with a simple structure and less trouble. The present invention aims to provide a container supply device.

That is, in order to achieve the above object, the present invention includes a holding part that holds folded packaging containers in a stacked manner, and a holding part at the lowest position that is provided facing downwardly of the stacked packaging containers in the folded state. a suction and delivery member that adsorbs the lower surface of the packaging containers with negative pressure and moves horizontally to deliver the packaging containers one by one; and a suction and delivery member that is provided in contact with both sides of the stacked packaging containers. It is equipped with a pair of cylindrical rotating brushes that rotate in opposite directions to urge the packaging container downward when suctioning the packaging container, and a part of the outer peripheral surface of the rotating brushes is provided along the axial direction. A flat part cut out into a flat shape is provided,
This flat portion is characterized in that it faces both side surfaces of the packaging container and is separated from the both sides when the packaging container is delivered, thereby releasing the downward bias of the packaging container.

The present invention will be explained below according to an embodiment shown in the drawings.

This embodiment is a packaging device for a straight tube type fluorescent lamp, and 1 in the figure is a drum.

This drum 1 is rotated around a horizontal axis 2,
It is constructed so that a plurality of packaging containers A can be held on its circumferential surface.

The packaging container A... is shaped like a single piece of corrugated cardboard, etc., and has a square tube shape with both ends open.
A large number of sheets are folded into a substantially flat plate shape and stacked in the supply device 3, and are supplied onto the drum 1 one by one from the supply device 3.

Further, B... is a straight tube type fluorescent lamp, and this fluorescent lamp B is conveyed on the chute 4 toward the drum 1, and the packaging container A on the drum 1 is conveyed by the first pushing device 5. . . , about half of its total length, and is completely pushed in by the second pushing device 6.

A conveyor 7 is provided below the drum 1, and the packaging containers A filled with the fluorescent lamps B are transferred to the conveyor 7 for the next packaging process, etc. transported.

The details of the supply device 3 are shown in FIGS. 2 and 3.

That is, the reference numeral 13 denotes a hopper as a holding part, and this hopper 13 has a pair of side wall parts 14 . It has 14.

Concave portions 15, 15 are formed in the opposing surfaces of the side wall portions 14, 14, and both longitudinal ends of the folded packaging container A are accommodated and held within these four portions 15, 15. There is.

Therefore, this packaging container A... has side wall portions 14, 1
They are stacked on top of each other with both ends held at 4.

Side wall portion 14. A suction/delivery member 8 is provided between the lower ends of the packaging containers 14, facing downwardly from the stacked packaging containers A.

As shown in FIG.
・It has a long shape along the longitudinal direction, and its packaging container A...
A plurality of suction holes 16 connected to a negative pressure source are opened with gaps in the longitudinal direction on the upper surface 8a facing the upper surface 8a.

The suction and delivery member 8 is connected to a piston rod 17 such as an air cylinder, and when the air cylinder is operated, the drum 1 is moved from between the lower ends of the side walls 14 and 14.
It moves back and forth approximately horizontally toward the upper supply position.

On the other hand, the packaging containers A stacked in the hopper 13...
- A pair of rotating brushes 9, 9 are provided on both sides in the longitudinal direction.

The rotating brushes 9, 9 have a cylindrical shape with radially flocked hairs, and are installed approximately horizontally between the side wall portions 14, 14.

And, on a part of the outer peripheral surface of these rotating brushes 9, 9,
The shape is formed by continuous planar cutting in the axial direction, that is, planar portions 10, 10 with short hair.

These rotating brushes 9, 9 rotate intermittently once in opposite directions so as to send the packaging container A downward as indicated by the arrow in FIG. 3 via the chain 11 and motor 12. The plane part 10. 10 facing both sides of the stacked packaging containers A..., a detector (not shown) detects this and temporarily stops the motor 12, so that the rotation of the rotating brushes 9, 9 is stopped. It has become.

And flat parts 10, 10 in rotating brushes 9, 9
As the outer circumferential surface other than the outer peripheral surface rotates, it comes into contact with both side surfaces of the packaging container A sequentially, and this contact causes the packaging container A to be pinched between the rotating brushes 9, 9. At the same time, it is pressed downward.

Furthermore, by rotating the rotating brushes 9 and 90, the flat parts 10 and 1
0 faces both sides of the packaging container A..., the flat parts 10, 10 have shorter bristles, so the flat parts 1
0 and 10 are slightly separated from both sides to release the downward pressure.

In addition, in FIG. 2, reference numerals 18 and 18 are guide pieces for preventing the packaging containers A... pressed by the rotating brushes 9, 9 from shifting, and reference numeral 19 is a guide piece for each packaging container A...
This flat brush is provided with a gap approximately 1.3 to 1.5 times the thickness of the brush to prevent double-sheet feeding.

Next, the operation of the above structure will be explained.

When negative pressure acts on the suction holes 16 , the packaging container A at the lowest position is suctioned to the −L surface 8 a of the suction and delivery member 8 .

At the same time, the rotating brushes 9, 9 rotate and press the stacked packaging containers A downward, so that the packaging container A at the lowest position is forcibly pressed against the upper surface 8a of the suction and delivery member 8. completely absorbed.

Then, the rotating brushes 9, 9 rotate once, and the flat part 10
, 10 is opposed to the side of the stacked packaging containers A..., and stops.

At this time, the plane part 10. No. 10 has short bristles, so it is spaced apart from both sides of packaging container A.
The downward pressure of ... is released.

Next, the adsorption/delivery member 8 moves forward toward the drum 1 and supplies only one packaging container A onto the drum 1.

Thereafter, such an operation is repeated to feed l pieces of packaging containers A onto the drum 1, and the above-mentioned fluorescent lamps B are inserted into these packaging containers A. .

Note that the supply device according to the present invention is applicable not only to the supply of packaging containers for straight tube fluorescent lamps, but also as a supply device for various other packaging containers.

As described above, the present invention has a holding part that holds folded packaging containers in a stack, and a container that moves horizontally by adsorbing the bottom surface of the lowest stacked packaging containers in the folded state using negative pressure. In this way, the suction and delivery member that delivers the packaging containers one by one and the suction and delivery member that is provided in contact with both sides of the stacked packaging containers rotate in opposite directions when adsorbing the packaging containers. a pair of cylindrical rotating brushes that press and urge the packaging container downward; a part of the outer circumferential surface of the rotating brushes is provided with a planar section cut out into a planar shape along the axial direction;
This flat portion is characterized in that it faces both side surfaces of the packaging container and is separated from the both sides when the packaging container is delivered, thereby releasing the downward bias of the packaging container.

According to this, the packaging containers are pressed against the suction and delivery member, so that the suction is completely achieved, and when the suctioned packaging containers are sent out, the pressure from above is released, so that they are not stacked. Other packaging containers are not sent out together with the lowest packaging container, and therefore, packaging containers can be reliably supplied one by one.

In addition, since the above-mentioned pressure is released by making the flat part with short bristles provided on a part of the outer peripheral surface of the rotating brush face the side of the packaging container, a special mechanism for releasing the pressure is not required. Therefore, it has advantages such as simple structure, few failures, and high reliability.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a side view schematically showing the overall arrangement, Fig. 2 is a perspective view of the supply mechanism, and Fig. 3 is a side view schematically showing the overall arrangement.
The figure is a perspective view of the suction and delivery member, Figure 4 a, l),
c is an explanatory diagram of the operation. 8... Adsorption and delivery member, 9... Rotating brush, 10... Plan view, 12... Motor, 13... Holding part ( Hopper), A...
packaging container.

Claims (1)

[Scope of utility model registration request] A holding part that holds folded packaging containers in a stack, and a holding part that is provided opposite to the bottom of the stacked packaging containers in the folded state and sucks the bottom surface of the lowest packaging container with negative pressure and horizontally A suction and delivery member that moves forward and delivers the packaging containers one by one; and a suction and delivery member that is provided in contact with both sides of the stacked packaging containers and rotates in opposite directions when suctioning the packaging containers. a pair of cylindrical rotating brushes that urge the packaging container downward; a plan view cut out along the axial direction is provided on a part of the outer peripheral surface of the rotating brushes; supply of a packaging container, characterized in that the part faces both side surfaces of the packaging container and is separated from the both sides to release the downward bias of the packaging container when the packaging container is delivered. Device.