JP2003081428A - Picking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a picking device capable of securely separating a group of articles which is held and a group of articles in a lower tier, and mounting each of the groups of the articles respectively on a pallet. SOLUTION: The picking device is provided with a picking device main body, a holding means provided on the picking device main body for holding the group of articles formed by gathering a plurality of articles on the pallet from a side surface, and a tilting and turning means for tilting and turning the picking device main body, and further is provided with a means for carrying in a pallet for inserting the pallet in a clearance formed between both of the groups of the articles by separating the group of the articles held by the holding means from the group of articles in the lower tier.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a picking device for taking out articles stacked in multiple layers in layers.

[0002]

2. Description of the Related Art Conventionally, as an apparatus for taking out articles stacked in multiple stages on a pallet in units of layers, there is an unloading apparatus as described in JP-A-10-316245. As shown in FIG. 9A, the upper layers of the articles 1 stacked in multiple stages on the pallet 3 are clamped by a pair of pressing tools 2, and the pallet lifting device 4 is moved as shown in FIG. 9B. By lowering the pallet 3 using
It is a device that separates the clamped article group and the article group located below the clamped article group.

[0003]

However, in general, when articles are stacked in multiple stages on a pallet at the time of factory shipment in a product factory, the articles are temporarily fixed to each other using an adhesive such as hot melt to prevent the collapse of the load. ing. Therefore, in the conventional method as described above, an article which cannot be separated because it is too strongly adhered to the article in the lower stage of the clamped article group and is not peeled off like the article in the hatched portion shown in FIG. 9B. May occur.

Further, since the article group separated in units of layers as described above is sorted according to each shipping destination, it is necessary to place the articles on a pallet for each shipping destination in order to identify them.

The present invention is intended to solve the above-mentioned problems, and it is possible to surely separate the grasped article group and the article group in the lower stage than the grasped article group. It is an object of the present invention to provide a picking device that can be mounted on the.

[0006]

In order to achieve such an object, the present invention has the following constitution. (1) A picking device main body, a gripping unit which is provided on the picking device main body, and which grips a group of articles configured by collecting a plurality of articles on a pallet from a side surface, and tilts the picking device main body. A picking device comprising: tilting means. (2) Pallet carry-in means for inserting the pallet into the gap formed between the article groups by separating the article group grasped by the grasping means from the article group in the lower stage than the article group The picking device according to item (1). (3) The pallet carry-in means is located in the pallet stocker for accommodating a plurality of pallets, the pallet carry-in device for carrying in the pallet from the pallet stocker to the picking device main body, and the pallet carry-in device for carrying in the picking device main body. The picking device according to (2) above, which comprises a pallet insertion device for receiving the pallet and arranging the pallet at a predetermined position between the article groups.

With the configuration described in (1) above, since the picking device main body on which the article group is placed is tilted, the article group gripped by the gripping means is placed below the article group. Peeling and separating the gripped article group more reliably by reducing the amount of the force required for peeling and separating the gripped article group that corresponds to the component force in the separating direction of the own weight of the gripped article group. You can

Further, with the structures described in (2) and (3) above, the article group can be vertically separated at a predetermined position to form a gap, and the pallet can be inserted therein.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.

(First Embodiment) FIG. 1 is a front view showing a structural example of a picking device according to a first embodiment of the present invention, and FIG. 2 is a plan view thereof. Further, FIG. 3 is a front view showing a usage state of the apparatus.

In this picking device, a tilting device 17 is provided on a base 15, and the picking device main body 5 is attached to the tilting device 17.

The tilting device 17 is constructed by rotatably mounting the main body frame 5a of the picking device main body 5 to a pair of support columns 14 vertically provided on a base 15 via a rotary shaft 16. ing. Also, the main body frame 5
The actuator 17a that tilt-drives a includes a bracket 19 provided on the upper surface of the base 15 and a main body frame 5a.
Is attached to a bracket 18 provided on the lower part of the shaft via rotary shafts 21 and 20, respectively. As a result, the picking device body 5 is pivotally supported by the tilting device 17 so as to be tiltable.

In the picking device main body 5, a U-shaped gripping frame 6 constituting an article gripping means is provided on one of the inner side surfaces of the main body frame 5a so as to be vertically movable. A pair of actuators 7 are provided inside the gripping frame 6, and a gripping member 9 for pressing and gripping the article 8 is attached to the tip of the actuator 7. A plurality of free rollers 13 supported by a pair of roller frames 12 are vertically provided inside the grip frame 6 on the inner side surface of the main body frame 5a. Further, a mounting arm 11 for mounting the pallet 10 on which the articles 8 are stacked is provided on the lower portion of the inner side surface of the main body frame 5a.

The actuators 7 and 17 described above are used.
“A” may be an arbitrary one such as an electric cylinder, an air cylinder, a hydraulic cylinder, etc. that performs expansion / contraction operation.

Next, in the picking device of this embodiment having the above-mentioned structure, as an example, the pallet 10 is used.
The operation of picking the upper article 8 in two stages simultaneously will be described.

Pallet 1 in which articles 8 are stacked in multiple stages
When 0 is transferred onto the mounting arm 11, the gripping frame 6 descends until the gripping member 9 is at the same height as the side surface of the article group from the uppermost stage to the second stage. Then, the actuator 7 presses the gripping member 9 against the side surface of the article 8 to grip it.
Thereafter, as shown in FIG. 3, the actuator 17a is operated to tilt the body frame 5a by 30 degrees. Here, the grip frame 6 is moved upward to separate the gripped article group from the article group in the lower stage. At this time, since the free roller 13 is provided on the inner surface of the main body frame 5a with which the gripped article group comes into contact, the frictional resistance at the contact surface of the article group when moving the gripping frame 6 becomes extremely small. , It becomes easy to peel off the adhesion between articles and separate them.

In the present embodiment, the body frame 5a on which the article 8 is mounted is tilted by 30 degrees, but the tilt angle may be any angle of 90 degrees or less.

As described above, in the present embodiment, the picking device main body is configured to be tilted. Therefore, it is necessary to peel off the article group gripped by the gripping means from the article group in the lower stage and separate the article group. By reducing the amount of force corresponding to the component force in the separation direction of the weight of the gripped article group, the gripped article group can be more reliably peeled off and separated.

(Second Embodiment) FIG. 4 is a front view showing a structural example of a picking device according to a second embodiment of the present invention, and FIG. 5 is a plan view thereof. Further, FIG. 6 is a plan view showing a usage state of the apparatus, and FIG. 7 is a front view thereof.

Since this embodiment has a configuration in which the picking device and the pallet carry-in device 22 in the first embodiment are combined, it is the same as FIG. 1 to FIG. 3 in the first embodiment. The same reference numerals are given to the portions and the description thereof will be omitted. Only different portions will be described.

In this picking device, a tilting device 17 is provided on a base 15, the picking device main body 5 is attached to the tilting device 17, and a pallet loading device 22 is provided on the base 15. There is.

The pallet carry-in device 22 is for inserting a pallet into a predetermined position of an article group placed on the picking device body 5, and is a base 15 common to the picking device body 5 and its tilting device 17. It consists of a pallet stocker 23 for stocking empty pallets installed above, a device for moving the pallet to the picking device body 5, and a device for inserting the pallet into a predetermined position of the article group placed on the picking device body 5. ing.

A pallet lifter (not shown) is provided below the pallet accommodating portion 24 of the pallet stocker 23. Further, a pair of rails 25 are provided on both sides of the upper portion of the pallet stocker 23, and a pair of drive arms 26 located on the pallet housing portion 24 and traveling on the rails 25 have gripping portions (not shown). The empty pallet 27 is gripped and moved by (No.).

On the other hand, in the main body frame 5a of the picking device main body 5, a pair of rails 28 are provided vertically on both sides of the outer surface facing the pallet carry-in device 22 and move up and down along the rails 28. On the upper surfaces of the pair of drive devices 29, a two-stage slide arm 30 that expands and contracts in the horizontal direction is provided. This slide arm 3
Reference numeral 0 has a gripping portion (not shown), which receives the empty pallet 27 that is gripped by the drive arm 26 and has moved horizontally, and inserts it into a predetermined position of the article 8 placed on the picking device body 5. be able to.

Next, in the picking device of this embodiment having the above-described structure, as an example, the pallet 10 is used.
The operation of separating the uppermost two stages of the upper article 8 from the lower stage and inserting the empty pallet 27 into the separated space will be described.

Pallet 1 in which articles 8 are stacked in multiple stages
After 0 is transferred onto the mounting arm 11, the drive device 29 is moved up and down so that the height of the slide arm 30 becomes the same as the height of the drive arm 26. Then, as shown in FIG. 6, the drive arm 26 holding the uppermost empty pallet 27a stored in the pallet stocker 23 is advanced, and the slide arm 30 receives the empty pallet 27a.

Here, after gripping the uppermost two-stage article group by the gripping frame 6 and tilting the main body frame 5a, the gripping frame 6 is lifted to move the gripped article group more than that. The action of peeling off and separating from the lower article group is the same as that of the above-described first embodiment.

After separating the uppermost two-stage article group,
The drive device 29 is moved up and down so that the position of the empty pallet 27a held by the slide arm 30 becomes the same as the position of the space formed by separating the article group. And
As shown in FIG. 7, the slide arm 30 is extended to the article 8 side, the empty pallet 27a is inserted, the grip of the empty pallet 27a is released, and the slide arm 30 is retracted. After that, the group of articles held by lowering the grip frame 6 and the empty pallet 27a are brought into contact with each other, the main body frame 5a is returned to the original horizontal position, and the grip frame 6 whose grip is released is raised.

As a result of the above operation, as shown in FIG. 8, the articles 8 are put on the shipping pallets 10 and 27a for each customer and can be shipped as they are.

In this embodiment, the case of separating the uppermost two stages is shown, but it is possible to perform the operation of separating the article group in layers at any position and inserting an empty pallet. .

As described above, in the present embodiment, the picking device main body is tilted similarly to the first embodiment, so that the article group can be more reliably peeled and separated at a predetermined position. In addition, since the pallet carry-in device is provided, the empty pallet can be inserted into the gap formed by vertically separating the article group.

[0032]

According to the above-described picking apparatus of the present invention, even when articles are temporarily fixed to each other by an adhesive, the tilting device of the picking apparatus main body pulls the article group more reliably in layer units. It can be peeled off and separated.
Also, after separating the article group in layers, by inserting an empty pallet into the gap by the pallet loading device,
Each pallet becomes a shipping pallet, which can be ready for shipping.

[Brief description of drawings]

FIG. 1 is a front view showing a first embodiment of the present invention.

FIG. 2 is a plan view showing the first embodiment of the present invention.

FIG. 3 is a front view showing the operation of the first embodiment of the present invention.

FIG. 4 is a front view showing a second embodiment of the present invention.

FIG. 5 is a plan view showing a second embodiment of the present invention.

FIG. 6 is a plan view showing the operation of the second embodiment of the present invention.

FIG. 7 is a front view showing the operation of the second embodiment of the present invention.

FIG. 8 is a front view showing a packing appearance according to a second embodiment of the present invention.

FIG. 9 is a front view of an unloading device according to the related art.

[Explanation of symbols]

1 article 2 Pressing tool 3 pallets 4 Pallet lifting device 5 Picking device body 5a Body frame 6 gripping frame 7 Actuator 8 articles 9 gripping member 10 pallets 11 Placement arm 12 roller frame 13 Free rollers 14 Support pillars 15 foundation 16 rotation axes 17 Tilt device 17a actuator 18 bracket 19 bracket 20 rotation axis 21 rotation axis 22 Pallet loading device 23 Pallet stocker 24 Pallet storage 25 rails 26 Drive arm 27 empty pallets 27a-27n Empty pallet 28 rails 29 Drive 30 slide arm

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoichi Yoshinaga             1-2-1, Marunouchi, Chiyoda-ku, Tokyo             Main Steel Pipe Co., Ltd. (72) Inventor Shinichiro Eto             1-2-1, Marunouchi, Chiyoda-ku, Tokyo             Main Steel Pipe Co., Ltd. (72) Inventor Hiroshi Ishikawa             1-2-1, Marunouchi, Chiyoda-ku, Tokyo             Main Steel Pipe Co., Ltd. F-term (reference) 3F030 AA04 AB04 BA02

Claims (3)

[Claims] 1. A picking device main body, a gripping means for gripping a group of articles provided on the picking device main body and formed by gathering a plurality of articles on a pallet from a side surface, and tilting the picking device main body. A picking device, comprising: a tilting means for turning. 2. A pallet carrying-in means for inserting a pallet into a gap formed between the article groups by separating the article group grasped by the grasping means from the article group in a lower stage than the article group. The picking device according to claim 1. 3. A pallet loading means for loading a plurality of pallets, a pallet loading device for loading a pallet from the pallet stocker to a picking device body, and a pallet loading device for loading the pallet loading device by the pallet loading device. Receive the palette that has been done,
The picking device according to claim 2, comprising a pallet insertion device for arranging the pallet at a predetermined position between the article groups.