JP2949025B2 - Article input 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 article loading device for loading articles into a container.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 10 , for example, an article loading apparatus for loading articles into a container includes a conveyor 2 for transporting articles 1, and a frame for receiving the articles 1 at the leading end of the conveyor 2 in the transport direction. A hopper 3 in the shape of is provided, and a conveyor 5 for transporting the container 4 is provided below the hopper 3. The container 4 is formed in a box shape in which an upper surface is opened and peripheral side walls and a bottom plate are fixed.

[0003] The operation of putting the article 1 into the container 4 is performed as shown in Fig. 10 (a) to (d) in order.
Conveys the container 4 below the hopper 3, conveys the article 1 by the conveyor 2, and transfers the article 1 through the hopper 3 to the container 4.
Directly onto the bottom plate. Subsequently, the container 4 in which the articles have been loaded is carried out by the conveyor 5, and the container 4 into which the articles 1 are to be loaded next is conveyed below the hopper 3, and the next article loading operation is performed.

[0004]

However, in the conventional article loading device, the articles 1 are directly loaded from the conveyor 2 onto the bottom plate of the container 4 through the hopper 3 and are discharged from the conveyor 2 by the conveying force of the conveyor 2. Since the article 1 has momentum and the falling distance of the article 1 from the height position of the conveying surface of the conveyor 2 to the height position of the bottom plate of the container 4 is large, the article 1 is the bottom plate of the container 4 or its bottom plate. If the article 1 is a box or the like, the box is likely to be damaged by a dent or the like during the collision. May be damaged.

[0005] The present invention has been made in view of the above points, and can gently put articles on a bottom plate of a container.
An object of the present invention is to provide an article input device that can prevent an article from being damaged or damaged.

[0006]

SUMMARY OF THE INVENTION The present invention provides an article dosing device, the upper surface of turning on the article apertured box-like container Rutotomoni bottom plate is movable up and down, the article transport for conveying the article and means, disposed at an end of the article conveying means, a hopper for receiving the article to be released from the article conveying means, disposed to open and close at the bottom of the hopper one
A pair of shutters and a shutter for opening and closing the pair of shutters.
Cutter driving means, container conveying means for conveying the container to a lower part of the hopper, and conveying means to a lower part of the hopper
Lifting means for lifting and lowering the bottom plate of the container .

[0007]

According to the present invention, the articles discharged from the article transporting means are temporarily received on the pair of shutters on the bottom of the hopper, and the articles are freely dropped by opening the pair of shutters and are slowly thrown into the container . Container bottom plate of the container to be transported by the transport means at the bottom of the hopper is raised by the lifting device, the article conveyed to the hopper by the article transport means is turned on the bottom plate of the container. At this time, the falling distance of the article from the hopper to the bottom plate of the container is small.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of an article input device according to the present invention will be described below with reference to FIGS.

FIGS. 7 to 9 show a container 11. The container 11 is formed in a box shape from a frame 12 which is opened in the vertical direction and a bottom plate 13 which can be moved up and down in the frame 12. ing.

The frame 12 includes a pair of side plates 14a and a pair of end plates 14b, and the side plates 14a and the end plates
It has a frame 15 surrounding and connecting the periphery of 14b, and is formed in a rectangular frame shape opening vertically. A buffer 16 such as a sponge is mounted on the inner periphery of the upper edge of the frame 12, and a bottom frame 17 on which the bottom plate 13 is placed is mounted below the end plates 14b.

The bottom plate 13 is fitted inside the frame 12 so as to be able to move up and down, and a cushion 18 such as a sponge is attached to the upper surface.
A fitting portion 19 that fits between both bottom frames 17 of the frame body 12 is attached to the lower surface.

FIG. 1 is a schematic diagram for explaining the operation of the article loading apparatus. The article loading apparatus is provided with a conveyor 21 as article transport means for transporting articles, and a shutter 22 is provided at the tip of the conveyor 21 in the article transport direction. A conveyor 24 serving as container transport means for transporting the container 11 is disposed below the hopper 23 along a direction orthogonal to the conveyor 21.The bottom plate 13 of the container 11 is provided on the conveyor 24. The elevating means 25 for elevating and lowering is provided.

FIGS. 2 to 4 show a conveyor 21 and a hopper.
23 shows the structure of 23. The conveyor 21 is composed of a belt conveyor, and a conveyor frame 31 is provided on both sides. Rollers 32 and 33 are rotatably supported, and endless belts 34 are stretched between the rollers at the base end and the rollers 32 and 33 at the front end in the article conveyance direction. On the leading end side of the belt 34 in the article conveying direction, a horizontal portion 34a is formed from the leading end to the second roller 32, and descends in the article carrying direction between the second roller 32 from the leading end and the leading roller 33. An inclined portion 34b is formed.

The conveyor frames 31 on both sides of the conveyor 21 are supported by legs 35, and guide plates 36 are erected on each conveyor frame 31.
A support plate 37 for mounting a hopper is provided upright on the tip side in the article transport direction.

A hopper frame 41 for supporting the hopper 23 is provided at the end of the conveyor 21 in the article conveying direction along a direction perpendicular to the conveyor 21. This hopper frame 41
Is formed in a rectangular frame shape from a pair of horizontally long frame portions 42 and a plurality of transverse joint portions 43 connecting the two frame portions 42, and a plurality of legs 44 are attached to the both frame portions 42. I have.

The hopper 23 is formed in a substantially U-shape from a pair of side walls 51 parallel to both sides of the conveyor 21 and a side wall 52 facing the tip of the conveyor 21 in the article conveying direction in parallel.
The edge on the side of the conveyor 21 is attached to the support plate 37, and the edge on the opposite side of the side walls 51 is the hopper frame 41.
Is attached via an attachment member 53 to the frame portion. A buffer 54 such as a sponge is attached to the entire inner surface of each of the side walls 51 and 52, and the lower edges of both side walls 51 are formed in an inclined shape that descends in the article conveying direction.

A chute 55 for transferring the articles from the conveyor 21 to the shutter 22 is disposed between the side walls 51 of the hopper 23 so as to be inclined so as to descend in the article conveying direction.

A pair of shutters 22 provided on the bottom surface of the hopper 23 has a shutter plate portion 61 which is opposed to the bottom surface of the hopper 23 and is inclined downward in the article conveying direction. A substantially L-shaped guide piece 62 protrudes downward from the edge and a substantially L-shaped guide piece 63 protrudes upward from the opposite edge, and a sponge or the like is provided on the upper surface of the shutter plate 61. Is mounted.

Guide rails 65 and 66 are provided on each frame 42 of the hopper frame 41 so that the guide pieces 62 and 63 of the pair of shutters 22 are slidably fitted. A pair of air cylinders 67 as shutter driving means is attached to each of the transverse joint portions 43 on both sides in the longitudinal direction of the hopper frame 41, and an operation rod 68 which is advanced and retracted by the operation of each of the air cylinders 67 is connected to each of the shutters 22. ing.

FIGS. 5 and 6 show the structures of the conveyor 24 and the lifting / lowering means 25. FIG. The conveyor 24 is disposed in parallel below the hopper frame 41, and the conveyor frame is provided on both sides.
A central plate-shaped transverse connecting member 72 and rod-shaped transverse connecting members 73 at both ends are provided to connect the conveyor frames 71 to each other, and an article input corresponding to a position below the hopper 23 is provided. At the position, a pair of auxiliary frames 74 is disposed on the center side transverse member 72 so as to face the inside of each conveyor frame 71. Box at the bottom of one end of the conveyor frame 71
75 are provided, and legs 76 and 77 are provided on the other end side of the box 75 and the conveyor frame 71.

A plurality of rollers 78 are rotatably disposed between the conveyor frame 71 and the auxiliary frame 74 along the container transport direction, and a plurality of rollers 78 are provided between both ends of the conveyor frames 71 along the container transport direction. 79 is rotatably arranged.

An endless V-belt 80 is stretched along the inside of each conveyor frame 71, and the V-belt 80
Pulleys 81 provided at both ends of the conveyor frame 71, a plurality of pulleys 82 for upper guides provided between the rollers 78 and 79,
Tension pulleys arranged below the conveyor frame 71
83 and pulley 84 for the lower guide.
It is pressed against the lower surfaces of 78 and 79. The box 75 is provided with a motor 85 for rotating the pulley 81.

A stopper 86 is provided immediately before the article loading position of the conveyor 24, and an air cylinder 87 that causes the stopper 86 to protrude and retract on the container transport surface is attached to the lower side of the conveyor frame 71. A downstream stopper 88 is disposed downstream of the article input position, and an air cylinder 89 that causes the downstream stopper 88 to protrude and retract on the container transport surface is attached to the lower side of the conveyor frame 71. An upstream stopper 90 is disposed on the upstream side of the article input position, and the upstream stopper 90 is rotatably supported on a support shaft 92 provided between a pair of support members 91 on the transverse connection member 72 as a fulcrum. An air cylinder 93 that rotates the upstream stopper 90 so as to protrude and retract on the container transport surface is attached to the conveyor frame 71.

Guide rails 94 for guiding both sides of the container 11 are attached to the upper part of each conveyor frame 71. Further, immediately before the article loading position, downstream of the article loading position, and an end in the container transport direction, light is applied. Detecting means 95a, 95b, 95c composed of a reflection type photo sensor or the like are attached.

The elevating means 25 has an elevating plate 101 disposed between the auxiliary frames 74 on both sides at the article loading position.
Air cylinder 102 is co be infested with on container transport surface
It is attached to a lower portion of Nbeya frame 71.

Next, the operation of this embodiment will be described.

When the container 11 is conveyed by the conveyor 24 and the passage of the container 11 conveyed to the article loading position is detected by the detecting means 95a immediately before the article loading position, the air cylinder 89 is operated to activate the downstream stopper 88. The container 11 is projected on the container transport surface, and the container 11 is stopped by the downstream stopper 88. When the container 11 conveyed to the article input position is detected by the detecting means 95b on the downstream side of the article input position, the air cylinder 93 is operated to cause the upstream stopper 90 to pivotally protrude above the container conveying surface, and the upstream stopper The container 11 is held at the article input position between the 90 and the downstream stopper 88 (the state shown in FIG. 1A).

When the passage of the container 11 conveyed to the article input position is detected by the detection means 95a immediately before the article input position, the air cylinder 87 is operated to cause the stopper 86 to protrude above the container conveyance surface, and the subsequent container Stop 11

After holding the container 11 at the article input position,
Activate the air cylinder 102 of the lifting / lowering means 25 to move the lifting / lowering plate 101
Is raised, and the bottom plate 13 of the container 11 is pushed up by the elevating plate 101 so that the bottom plate 13 is positioned near the upper end of the container 11 (FIG. 1).
(b) state).

Further, the article A is conveyed by the conveyor 21, the article A is discharged from the conveyor 21 to the hopper 23 via the chute 55, and is placed on a pair of shutters 22 closing the bottom surface of the hopper 23 ( 1 (a) and (b). At this time, article A
Is placed on the inclined shutter 22 through the inclined portion 34b of the conveyor 21 and the inclined chute 55, so that the impact of the drop on the article A can be reduced and the article A can be smoothly placed on the shutter 22. Moreover, since the buffers 54 and 64 are attached to the inner surface of the hopper 23 and the upper surface of the shutter 22, respectively, the shock acting on the article A can be reduced by the buffering action of the buffers 54 and 64.

When all the articles A to be put into the conveyor 11 are placed on the shutter 22, the air cylinder 67 is operated to open and move the pair of shutters 22.
The above article A is discharged to the container 11, and the article A is transferred to the container 11.
(FIG. 1 (c) (d)). At this time, since the bottom plate 13 is raised near the upper end of the container 11, the falling distance from the shutter 22 to the bottom plate 13 of the container 11 is small, and the article A is placed on the bottom plate 13 or the article A already placed on the bottom plate 13. The collision force when colliding upward can be reduced.

Subsequently, the air cylinder 102 of the lifting / lowering means 25 is operated to lower the lifting / lowering plate 101, and the bottom plate 13 of the container 11 is moved downward.
Is lowered to the bottom of the container 11 (the state shown in FIGS. 1E and 1F). Further, the air cylinder 67 is operated to close and move the pair of shutters 22, thereby closing the bottom surface of the hopper 23 (the state shown in FIG. 1 (g)).

Then, the air cylinder 93 of the conveyor 24 is operated to lower the upstream-side stopper 90 from above the container conveying surface, and then the air cylinder 89 is operated to lower the downstream-side stopper 88 from above the container conveying surface. At the same time, the air cylinder 87 is operated to lower the stopper 86 from above the container transport surface, to transport the container 11 storing the articles A in the downstream direction, and to store the articles A next.
11 is transported to the article input position (the state shown in FIG. 1 (h)).

As described above, when the articles A are put into the container 11, the articles A released from the conveyor 21 are temporarily received on the shutter 22 on the bottom surface of the hopper 23. Can be put into the container 11 slowly. Moreover, since the bottom plate 13 of the container 11 conveyed to the lower part of the hopper 23 is lifted and the articles A are thrown onto the bottom plate 13 of the container 11 by opening the shutter 22, the falling distance from the shutter 22 to the bottom plate 13 of the container 11 is reduced. And the article A is already placed on the bottom plate 13 or the bottom plate 13
The collision force when colliding upward can be reduced. Therefore, when the article A is a box or the like, it is possible to prevent the box from being damaged such as a dent, and when the article A is a bottle or the like, it is possible to prevent the bottle from being damaged .

In each of the above embodiments, the article conveying means is not limited to the belt conveyor, but may be a roller conveyor, a chute, a roller chute, or the like.

[0036]

According to the present invention, since the article to be released from the article conveying means is received once on the pair of shutter of the bottom of the hopper, gently into the container and article is free fall by opening the pair of shutters To prevent damage or breakage of articles . Moreover, the bottom plate of the container which is transported in the lower part of Ho Tsu Pa is raised, a pair of sheet
Article by the opening is of turned on the bottom plate of the container of Yatta
Re because less fall distance of the article to the bottom plate of the container from the hopper, can be prevented from being damaged or scratched article.

[Brief description of the drawings]

FIG. 1 shows one embodiment of an article input device of the present invention, and (a)
FIG. 6 is an explanatory diagram for explaining an article loading operation in the order of (h) to (h).

FIG. 2 is a sectional view in which a part of the embodiment is omitted.

FIG. 3 is a front view in which a part of the embodiment is omitted.

FIG. 4 is a plan view in which a part of the embodiment is omitted.

FIG. 5 is a front view of the conveyor for transporting containers of the embodiment.

FIG. 6 is a plan view of the conveyor for transporting containers of the embodiment.

FIG. 7 is a plan view of the container of the embodiment.

FIG. 8 is a front view of the container of the embodiment.

FIG. 9 is a sectional view taken along line XX of FIG. 7 of the embodiment.

[Figure 10] shows an article dosing device past, is an explanatory diagram illustrating a closing operation of the article in the order of (a) ~ (d).

[Explanation of symbols]

 11 Container 13 Bottom plate 21 Conveyor as article conveying means 22 Shutter 23 Hopper 24 Conveyor as container conveying means 25 Elevating means A Article

Claims (1)

(57) [Claims] 1. A top is opened Rutotomoni bottom plate lifting Friendly
An article input device for inputting an article into a box-shaped container provided in the form of an article, comprising: an article conveying means for conveying the article; an article conveying means disposed at an end of the article conveying means, and discharged from the article conveying means. hopper and a pair of shutter <br/> data provided to be opened and closed on the bottom of the hopper, a shutter driving means for opening and closing the pair of shutters for receiving the articles
When a container conveying means for conveying the container in the lower part of the hopper, the bottom plate of the container is transported to a lower portion of the hopper temperature
An article input device, comprising: an elevating means for lowering and lowering .