JP2551142Y2 - A device for preventing articles from jumping out of an article storage / shelf shelf provided on an article storage shelf - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an article storage shelf having a plurality of article storage shelves having a plurality of article storage shelves, and having a storage shelves for loading and unloading articles to and from a pair of shelves standing opposite to each other. The present invention relates to a device for preventing articles from jumping and running away on a shelf.

[0002]

2. Description of the Related Art Conventionally, an article storage shelf (see FIG. 5) is composed of a pair of shelves 11,
The chain 14 is configured to include a chain 14 that can be moved up and down by the apparatus, and an article transfer table 15 that is attached to the chain 14 and that moves up and down between a pair of shelves 11 and 12. One shelf 11 has a plurality of shelf stages 16 for storing articles.
In addition to the above, an entry / exit shelf 17 in which entry / exit of articles is performed is provided. The elevating table 15 is used for storing and unloading shelves 1
The receiving operation of receiving the articles stored in the tray 7 and moving it up and down to a desired shelf 16 and sending the articles to the shelf 16 and the reverse operation, that is, the unloading operation, can be performed.

[0003] The article storage shelves 10 are arranged in a storage and retrieval shelf stage 1.
The goods stored in the table 7 have too much momentum,
Since there is a risk of jumping out of the elevating area A and hindering elevating of the elevating table 15, a sensor (not shown) for detecting an article jumping out is provided, and the elevating table 15 can be stopped in an emergency. I can do it. The elevating area A is a space required for elevating the elevating table 15. Further, on the opposite side 171 of the loading / unloading shelf 17 on the side of the elevating table, a pair of stoppers 18, 18 for restricting the articles delivered from the elevating table 15 to the loading / unloading step 17 so as not to jump outside. Is provided.

[0004]

However, the sensors provided on the lifting table side of the loading and unloading shelves are not only expensive, but also each time the worker jumps out of the article in the lifting area. There is a problem that it has to be pulled into the entry and exit shelf steps. Further, the stoppers 18, 1 provided on the opposite side of the loading / unloading shelves from the lifting table side.
Since the device 8 is fixed and does not appear and disappear, the worker must get over the stoppers 18 and 18 to enter and exit the article, and there is also a problem that it takes time to enter and exit the article.

[0005]

According to a first aspect of the present invention, a plurality of article storage shelves provided on each of a pair of shelves erected and opposed to each other and an article transfer elevating apparatus for elevating between the pair of shelves. In an article storage shelf having a table, an entry / exit shelf for articles is provided on the shelf, and the elevator table side of the entry / exit shelf is
Providing a protruding shaft protruded into the elevating area of the elevating table and an article ejection prevention stopper operatively connected to the protruding shaft and protruding and propelled into the article entry / exit area, wherein the protruding shaft is provided. By the push-down table, the stopper is immersed outside the entry / exit area of the article against the projecting urging force, by a device for preventing the entry / exit shelf from jumping out of the shelf.
The invention of claim 2 is an article shelf having a number of article storage shelves provided on each of a pair of shelves erected opposite to each other and an article transfer elevating table for elevating between the pair of shelves,
A shelf for articles is provided on the shelf, and a protruding shaft which is urged toward the elevating table on the side of the elevating table on the side of the elevating table and which is pushed and moved by the elevating table, and An article ejection prevention stopper which is operatively connected and protruded into the storage area of the article and is urged into the outside of the storage area by pushing the projecting shaft against the urging force of the projecting shaft; On the opposite side of the lifting table side, an article escape prevention stopper urged and projected into the article entry / exit area is provided, and the escape prevention stopper is retracted outside the entry / exit area against the projecting urging force. With an operation rod provided, a device for preventing articles from jumping out of the shelf shelf,
The above problem has been solved.

[0006]

The invention of claim 1 has a function of restricting articles received from the outside into the loading / unloading shelves so as not to fly out into the elevating area of the article transferring / elevating table, and a function of entering from the elevating table. It has a function of restricting articles sent to the storage shelf from returning and jumping out of the elevating area. That is, an article pop-out prevention stopper always protrudes into the article entry / exit area between the entry / exit shelf and the article transfer / elevation table, and the article pop-out prevention stopper moves the article into the elevation area of the elevating table. Is regulated. Note that the entry / exit area is an area from the entry / exit shelf where the articles pass through to the article transfer / lifting table when articles are entered / exited. However, if the pop-out prevention stopper is left protruding, it becomes an obstacle when articles are transferred from the loading / unloading shelf to the elevating table. For this reason, the pop-out prevention stopper retracts from the loading / unloading area in conjunction with the retraction of the protruding shaft pushed by the elevating table which has been moved up and down to the loading / unloading shelf to receive the articles.

[0007] The article transfer / lifting table, which has received the articles from the loading / unloading shelf, moves up and down to the designated shelf, and stores the articles in the shelf. During this time, since the elevating table is separated from the loading / unloading shelves, the projecting shaft projects into the elevating area of the elevating table by the urging force, and the pop-out prevention stopper projects again into the in / out area. Further, the articles stored in the shelf are taken out of the shelf by the elevating table, and are moved up and down to the storage shelf. The elevating table, which has been moved up and down to the loading / unloading shelf, pushes the protruding shaft to retract the stopper from the loading / unloading area, and transfers the articles onto the loading / unloading shelf.

According to a second aspect of the present invention, the articles on the entry / exit shelf are prevented from jumping out of the elevation area of the elevation table and the outside of the entry / exit article opposite to the elevation table which is the entrance and exit of the entry / exit articles. It has a function to regulate. That is, an escape prevention stopper for articles is provided on the outer side of the entry / exit shelf, and the escape prevention stopper regulates the ejection of the articles to the outside. Further, another article pop-out prevention stopper is provided on the elevator table side of the loading / unloading shelf, and this article pop-out prevention stopper regulates the article jumping into the elevating area of the elevator table.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The article storage shelf in which the article ejection prevention device of the present invention is incorporated has a large number of article storage shelves like the conventional article storage shelf shown in FIG. Only parts related to the apparatus will be described, and descriptions of other parts will be omitted. Articles (not shown) stored in the article storage rack are stored in a tray. The tray is used only inside the article storage shelf and is rarely taken out.

[0010] Of the pair of opposing shelves of the article storage shelf 20 (see FIG. 1) of the present invention, one shelf 21 (the other shelf is not shown) is used for putting goods in and out of the tray 22. A shelf 23 is incorporated. A roller conveyor is used in the loading / unloading shelves 23 so that the tray 22 storing articles can be moved smoothly.

[0011] The article transfer table 2 of the article storage shelf 20
4 has a rectangular shape (not shown) in plan view, and has two columns 25 (shown as overlapping in FIG. 1) of one shelf 21 and two columns (shown in FIG. 1) of the other shelf. (Omitted) as a guide rail.
Guide rollers 27 (only one guide roller is shown, others are not shown) are rotatably mounted at four corners of the frame 26 of the elevating table 24 so as to correspond to four columns. As shown in FIG. 3, each of the guide rollers is provided two in the elevating direction.

[0012] The device 30 for preventing the articles from being ejected on the entry and exit shelves,
Reference numerals 31 (see FIG. 1) are provided at two positions, ie, on the elevation table side 231 of the loading / unloading shelf 23 and on the opposite side 232 to the elevation table side. The article ejection prevention device 30 on the lifting table side 231 is provided with the lifting table 231 of the loading / unloading shelf 23.
And the elevating table 24. The article pop-out prevention device 30 has a function of restricting the storage tray 22 sent from the storage / unloading guide 51 (described later) to the loading / unloading shelf 23 so as not to fly out into the lifting area A of the lifting table 24, Entry / exit shelf stage 2 from elevating table 24
And a function of restricting the delivery tray 22 fed into the tray 3 from returning and jumping into the elevating area A.

An article ejection prevention device 30 (see FIG. 2) provided on the lifting table side includes an article ejection prevention stopper 32.
, A projecting shaft 33, a spring 34, and a pushing piece 35. The protrusion prevention stopper 32 is
The support bracket 36 on the support 25 is rotatably provided by a pin 42. The tip 32 of the stopper 32
Numeral 1 protrudes into the entry / exit area B of the tray 22 on the entry / exit shelf 23.

The protruding shaft 33 is supported by a guide cylinder 37 fixed to the column 25 so as to be able to move forward and backward in the left-right direction of FIG. A roller 38 is rotatably supported at the tip of the protruding shaft 33. At the rear end of the protruding shaft 33, a connecting pin 39 is protruded. The connecting pin 39 is inserted into an elongated hole 40 formed at the rear end of the pop-out prevention stopper 32.

A flange 41 is provided at an intermediate portion of the protruding shaft 33. A protruding shaft 33 is provided between the flange 41 and the guide cylinder 37.
A spring 34 is provided which is loosely fitted to the spring. The spring 34 urges the projecting shaft 33 to project in the direction of arrow C,
The roller 38 serves to always protrude into the elevating area A of the elevating table 24. Further, the spring 34 is provided with the protrusion prevention stopper 32
Also has the function of constantly urging the leading end into the storage area B. The pushing piece 35 is attached to the elevating table 24. When the elevating table 24 moves up and down to the loading / unloading shelves 23, the pushing piece 35 comes into contact with the roller 38 to push the projecting shaft 33 into the spring 34.
The pushing shaft 33 is pushed in the retreating direction against the projecting urging force.

Next, a description will be given of the article ejection prevention device 31 (see FIG. 4) provided on the outer side 231 opposite to the elevating table of the loading / unloading shelves 23. The article ejection prevention device 31 is provided with an entry / exit shelf stage 2 from an entry / exit guide 51 described later.
A function for restricting the receiving tray 22 sent on the upper side from returning and jumping out;
And a function of restricting the exiting articles sent onto the entry / exit shelf 23 from escaping to the outside with excessive momentum.

A support bracket 52 is provided on the outside of the shelf 21 so as to face the entry / exit shelf stage 23. The entry / exit guide 51 is attached to the support bracket 52. A roller conveyor is used for the entry / exit guide 51.

An article escape prevention stopper 53 is rotatably attached to the support bracket 52 by a pin 54. A weight 55 is attached to one end of the escape stopper 53.
Are provided integrally. The weight 55 has a tip 531 of the stopper 53 and the loading / unloading shelf 23 and the loading / unloading guide 51.
Between them, the escape prevention stopper 53 is rotationally biased so as to protrude above the entrance / exit shelf 23. An elongated hole 56 is formed vertically between the tip 531 of the escape prevention stopper 53 and the pin 54. The weight 55
Instead, a spring (not shown) may be provided to apply the urging force of the stopper tip 531 to the escape prevention stopper 53.

A foot pedal 57 is placed on the floor G (see FIG. 1).
Is placed. The long hole 56 (see FIG. 4) and the foot pedal 57 are connected by an operating rod 58. The protruding pieces 59 and 60 attached to the tray 22 (see FIGS. 2 and 4)
Is mounted on the elevating table 24 when the tray 22 moves between the elevating table 24 and the loading / unloading shelves 23 or between the elevating table 24 and the shelves (not shown). It is a member to which a pin (not shown) of the carry-in / carry-out device is engaged, and is provided at a position where the pop-out preventing stopper 32 and the escape preventing stopper 53 do not interfere with each other.

Next, the operation will be described. First, the storage operation will be described. The tip 531 of the article escape prevention stopper 53 of the article ejection prevention device 31 on the outer side 232 of the entry / exit shelf step 23
4 always protrudes above the entry / exit shelf 23 as shown by the solid line in FIG. The tray 22 sent from the entry / exit guide 51 to the entry / exit shelf 23 pushes down the guide surface formed on the upper surface of the escape prevention stopper 53 while entering the entry / exit shelf 23, and pushes the stopper 53 in the direction of arrow D. Rotate to. As a result, the tip 531 of the escape prevention stopper 53 is sunk below the entry / exit area of the entry / exit shelf 23 as shown by the imaginary line in FIG.

When the tray 22 passes over the escape prevention stopper 53, the stopper 53 is raised again by the weight 55. The tip 5 of the protruding stopper 53
31 is such that the tray 22 sent to the storage and retrieval shelf 23 does not return and jump out to the storage and retrieval guide 51 side.
The tray 22 is prevented from running away. Since the operation rod 58 is engaged with the long hole 56 of the stopper 53, even if the escape prevention stopper 53 is rotated in the direction of arrow D by the tray 22, only the stopper 53 rotates, and the operation rod 58 is rotated. Does not apply any force.

The operating rod 58 may be connected to the escape prevention stopper 53 by omitting the elongated hole 56. In this case, however, it is necessary to send the tray 22 to the loading / unloading shelf 23 after stepping on the foot pedal 57 to forcibly rotate the escape prevention stopper 53.

On the other hand, the tip 321 of the ejection prevention stopper 32 of the article ejection prevention device 30 provided on the elevation table side 231 of the entry / exit shelf 23 (see FIG. 2) also has an exit area on the upper surface of the entry / exit shelf 23. The stoppers 32 prevent the tray 22 that has been protruded into the loading / unloading shelf step 23 from jumping into the elevating area A of the article transfer / elevating table. Therefore, the tray 22 is controlled by the article ejection prevention stopper 32 and the escape prevention stopper 53.
It is stopped at a predetermined position on the entry / exit shelf 23.

When the tray 22 (see FIG. 3) is stopped at a predetermined position on the loading / unloading shelf, the article transfer / lifting table 24 moves up and down to approach the loading / unloading shelf 23. At this time,
The pushing piece 35 on the lifting table 24 pushes the roller 38 of the article ejection prevention device 30 to move the protruding shaft 33 backward into the shelf 21 against the spring 34. Projection shaft 33
Retreats in the direction of arrow F, rotates the article pop-out prevention stopper 32 in the direction of arrow E via the connecting pin 39 and the elongated hole 40, and moves the tip 321 of the stopper 32 out of the entry / exit area of the entry / exit shelf 23. Immerse yourself in The protruding shaft 33
Is raised or lowered by the lifting table 24 in the direction of arrow F, and the stopper 32 is rotated in the direction of arrow E, regardless of whether the lifting table 24 is raised or lowered.

Thereafter, the pins (not shown) of the loading / unloading device on the lifting table 24 are engaged with the projecting pieces 59, and
Is drawn on the lifting table 24. Then, the tray 22 is transported to a target shelf by raising and lowering the elevating table 24, and stored and stored in the shelf.

Next, the unloading operation will be described. The elevating table 24 pulls out the tray 22 storing the desired articles from the shelf, and moves up and down to the position of the loading and unloading shelf 23. As the elevating table 24 moves up and down, the pushing piece 35 on the elevating table 24 presses against the roller 38, and the tip 321 of the pop-out prevention stopper 32 is immersed outside the entry / exit area of the entry / exit shelf 23. After that, the lifting table is placed in tray 2
2 is sent to the loading / unloading shelf 23. At this time, the external side 23
Escape-prevention stopper 53 of device 2
Protrudes above the entry / exit stage 23 to prevent the tray 22 from escaping to the outside.

The elevating table 24 moves up and down to another shelf to take out the next tray 22. When the lifting piece 35 of the lifting table moves away from the roller 38 as the lifting table 24 moves up and down, the tip 321 of the pop-out prevention stopper 32 projects into the storage area on the storage shelf 23 by the spring 34. . This allows the tray 22
Is stopped at a predetermined position on the entry / exit shelf 23 by the article jumping out prevention stopper 32 and the article escape prevention stopper 53. If the articles in the tray 22 are lightweight, the articles are taken out of the tray 22 by an operator. When the article is heavy, the worker (not shown) depresses the foot pedal 57 and operates the operating rod 58.
As a result, the tip 531 of the article escape prevention stopper 53 is immersed outside the entry / exit area. Thus, the stopper 53 is not in the way, and the operator can pull out the tray 22 onto the loading / unloading guide 51, and can easily take out the article from the tray 22.

It is to be noted that the article fly-out prevention device 30 may be installed upside of the loading / unloading shelves 23 upside down. In this case, the article pop-out prevention stopper 32
3 will appear from above. In other words, it is only necessary that the pop-out prevention stopper 32 projects into the entry / exit area B. Further, the articles may be directly stored and unloaded without using the tray 22.

[0029]

According to the first aspect of the present invention, the article jumping prevention stopper can prevent the article from jumping into the elevating area of the article transfer / lifting table. Can be prevented from coming into contact with each other. In addition, since the article ejection prevention stopper protrudes into the article entry / exit area by being pushed by the ascending / descending article transfer / elevation table, it can be further extended without using the sensor in the conventional example described above. Without the use of special power means such as a piston or a cylinder to push the shaft, the jump-out prevention stopper is moved to the article jump-out prevention position.
In addition, there is no accident caused by poor stop position accuracy of the piston and the cylinder, etc., so that it is possible to smoothly carry out the loading and unloading and transfer of articles. Further, since the articles do not jump out into the elevating area of the elevating table, it is not necessary for the operator to carry out the work of pulling the articles into the loading / unloading shelves. According to the article ejection prevention device of claim 2, since the article ejection prevention stopper and the escape prevention stopper provided respectively at both ends of the entry / exit shelf can be stopped at a predetermined position of the entry / exit shelf, Can be prevented from jumping out of the article. In addition, when an article loading / unloading device is provided on the article transfer table, the article can be stopped at a predetermined position on the loading / unloading shelf, so that the engagement between the loading / unloading apparatus and the article is ensured. Can be performed.

[Brief description of the drawings]

FIG. 1 is a front view of an article storage shelf in which an article ejection prevention device of the present invention is incorporated.

FIG. 2 is a front view of an article ejection prevention device provided on an elevator table side of an entrance / exit stage.

FIG. 3 is an operation diagram of the article pop-out prevention device of FIG. 2;

FIG. 4 is a front view of the article ejection prevention device provided on the opposite side (external side) of the entry / exit stage from the elevating table side.

FIG. 5 is a perspective view of an article storage shelf in which a conventional article ejection prevention device is incorporated.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS A Elevating area B Entry / exit area 20 Article storage shelf 21 Shelf 23 Entry / exit shelf shelf 24 Article transfer / elevation table 30, 31 Article ejection prevention device 32 Article ejection prevention stopper 33 Projection shaft 53 Article escape prevention stopper 58 Operating rod

Claims (2)

(57) [Scope of request for utility model registration] 1. An article storage shelf having a plurality of article storage shelves provided on a pair of shelves erected in opposition to each other and an article transfer elevating table moving up and down between the pair of shelves,
A shelf for articles is provided on the shelf, and a protruding shaft projecting into the elevating area of the elevating table on the side of the elevating table is connected to the protruding shaft on the side of the elevating table. An article ejection prevention stopper that is biased and protruded in the loading / unloading area is provided, and the protruding shaft is pushed by the elevating table to move the stopper out of the article loading / unloading area against the urging force. A device for preventing articles on the shelf shelf from jumping out. 2. An article storage shelf having a plurality of article storage shelves provided on each of a pair of shelves erected in opposition to each other and an article transfer elevating table moving up and down between the pair of shelves.
An article entry / exit shelf is provided on the shelf, and the entry / exit shelf is located on the elevation table side and protrudes into an elevation area of the elevation table.
Projecting shaft which is urged and pushed by the lifting table
And interlockingly connected to the projecting shaft to project into and out of the article entry / exit area.
It is urged and pushed against the projecting urging force by the pushing of the projecting shaft.
To prevent the article from escaping outside the storage area.
Provided on the opposite side of the loading / unloading shelf from the side of the elevating table.
Preventing escape of articles urged into the article entry / exit area
In addition to providing a stopper,
An operation of immersing outside the storage / reception area against the projecting urging force
A device for preventing articles from jumping out of a shelf shelf provided with a rod .