JP2006327387A - Movable truck - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a movable truck capable of taking in/taking out commodities in a collection container, and taking out the collection container. <P>SOLUTION: Each loading unit 36 of the movable truck 1 comprises a moving means 51 arranged above a collection container 37 in the right-to-left direction X of the collection container 37, and a stopper 61 connected to the moving means 51 and applied to a projection part 37a of the collection container 37 to regulate the movement in the right-to-left direction X of the collection container 37. When the collection container 37 is pulled out in the right-to-left direction X, the stopper 61 connected to the moving means 51 is moved together with the collection container 37 in a movable range of the moving means 51, and the collection container 37 is moved to a plate at which the projection part 37a on one side is located on the other end side of the loading unit 36, and all top open parts 37d in a right collection chamber 37d are pulled outwardly. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile carriage used when, for example, order picking of articles from the shelf side or sorting of articles into a shelf or the like.

An example of a conventional mobile carriage is disclosed in Patent Document 1, for example.
The moving cart (picking cart) disclosed in Patent Document 1 has six caster wheels at the bottom of the traveling machine base, and the shelf plates are vertically arranged on the pillars erected at the four corner positions of the traveling machine base. Are supported in three stages. Six storage portions (storage portions) formed so that the left and right side surfaces are opened are formed on the traveling machine base and on each shelf plate excluding the uppermost shelf plate, and collection containers ( Storage container) is arranged freely.

In addition, there is a mobile cart provided with a mechanism for preventing the collection container from dropping out of the storage unit. That is, protrusions are formed on both sides of the collection container in the left-right direction (the collection container pull-out direction), and the mechanism is formed at the center of the lower surface of each shelf of the movable carriage. When pulling out the collection container, there is provided a stopper that abuts a protrusion formed on the collection container and restricts the movement of the collection container in the left-right direction (region where the collection container is put in and out).
JP 2004-224508 A

  However, according to the structure of the mechanism for preventing the collection container from falling off the storage unit, the stopper is fixedly provided at the center of the lower surface of each shelf plate, so when pulling out the collection container, Only about 40% of the collection container can be pulled out, that is, only about 40% of the opening surface on the upper surface of the collection container can be pulled out, making it difficult to put in and out the product in the collection container. There was a problem that it was difficult to remove (replace).

  Then, an object of this invention is to provide the mobile trolley | bogie which can make it easy to put in and out the goods in a collection container, and to remove a collection container.

  In order to achieve the above-described object, a mobile carriage according to claim 1 of the present invention is configured such that a container in which at least one protrusion is formed upward on at least one side is provided in a direction in which the container is pulled out. The mounting portions that are placed so as to be freely drawable to each other are movable carriages that are provided in at least a plurality of upper and lower stages, and each placement portion is disposed at least above the container and in the direction in which the container is pulled out. A moving means connected to the moving means, and a restricting means that acts on the protrusion and restricts the movement of the collection container in the pulling-out direction.

  According to the above configuration, when the container is pulled out in the pulling direction, the restricting means connected to the moving means moves together with the container when the protruding portion of the container acts, and stops when reaching the limit of the movable range of the moving means. As a result, the container stops. As a result, the moving range of the container in the pulling-out direction is expanded to a range in which the moving means can move, and the container is prevented from dropping off from the placement portion.

  Further, the mobile carriage according to claim 2 is the invention according to claim 1, wherein each of the placement portions is partitioned by a shelf plate provided in a horizontal direction, and the moving means includes the A rail member fixed in a pulling-out direction of the container at a lower portion of each shelf plate, and a movable member guided and movable by the rail member, wherein the restricting means is connected to the movable member. A contact member that is connected to the connection member so as to be disposed between the member and the protrusion formed on both sides, and that contacts the protrusion when the container is pulled out. It is what.

  According to the above configuration, when the container is pulled out in the pulling direction, the abutting member connected to the connecting member connected to the moving member moves together with the container within a range in which the moving member is guided by the rail member. The movement range in the pull-out direction is expanded to a range in which the movement member guided by the rail member can move.

  A moving carriage according to a third aspect is the invention according to the second aspect, wherein the abutting member is movably connected to the moving member in a vertical direction, and the abutting member is moved upward. By moving in the direction, the container can be taken out from the mounting portion.

  According to the above configuration, since the contact member is movable in the vertical direction, the container can be easily moved from the mounting portion by moving the contact member upward to a position where the contact member does not contact the protruding portion of the container. It is taken out.

  In the movable carriage of the present invention, when the container is pulled out in the pulling direction, the restricting means connected to the moving means is moved together with the container within a range in which the moving means can move, so that the protrusion on one end side is placed on the container. It is possible to move to a place located on the other end side of the placing portion, that is, it is possible to pull out at least half of the container, and therefore, the goods in and out of the container can be easily and smoothly taken in and out.

Below, the mobile trolley | bogie in embodiment of this invention is demonstrated, referring drawings.
FIG. 1 is a configuration diagram of a picking facility that uses a mobile carriage according to an embodiment of the present invention.

  In FIG. 1, reference numeral 1 denotes a moving vehicle (an example of a moving carriage) that collects articles m by sorting destination while being picked by a picking operator. A plurality of picking shelves 3 are arranged along.

  The picking shelf 3 is composed of a fluidized shelf that is inclined toward the travel route 2 side. As shown in FIGS. 2 and 3, each picking shelf 3 includes a plurality of storage containers 4 that store articles m to be picked. A plurality of compartment storage spaces 5 are provided, and each compartment storage space 5 allows the storage container 4 stored from the inner side to slide to the outer side, and the storage container 4 and the article m to be taken out from the outer side. The storage container 4 is a foldable container.

  Further, as shown in FIG. 3, a “ream” is formed by the compartment storage space 5 having a total of 12 frontage at the 3 frontage along the travel route 2, and each side has a horizontal A, B, C, vertical 1, Coordinates 2, 3, and 4 are attached, and the address N (shelf number) of the compartment storage space 5 is set by the number of the column of the picking shelf 3 along the travel route 2, the serial number, and the coordinates. The space 5 is specified. The partition storage space 5 whose address N is “2-8-A3” indicates the partition storage space 5 of the eighth row of coordinates A3 in the second row. For each station, a column number and a label (display means) 6 on which the station number is printed are attached.

As shown in FIG. 1 and FIG. 2, wireless communication devices (an example of information transmission means) 7 that transmit and receive data to and from the mobile vehicle 1 are installed on the ceiling.
Inside the picking shelf 3, a ceiling rail 9 is laid on each compartment storage space 5 on which an automatic guided vehicle (an example of a replenishing means) 8 that replenishes the storage container 4 from the inside. The ceiling rail 9 extends to three replenishment warehouses (an example of storage means) 11 that stores the storage containers 4, and further forms a loop so that the automatic guided vehicle 8 can move to the inside of each picking shelf 3. It is erected from the ceiling.

  The automatic guided vehicle 8 includes a self-propelled carriage 16 that is guided by the ceiling rail 9 and a drive roller conveyor device that places the storage container 4 and performs transfer, and is lowered by being supported by the self-propelled carriage 16. -It is comprised from the transfer apparatus 17 which can raise.

  Each of the replenishment warehouses 11 automatically travels through two storage shelves 21 that are installed so as to face each other in the direction in which goods are put in and out, and a work passage 22 formed between the storage shelves 21. Each storage shelf 21 is provided with a plurality of article storage units 24 for storing the storage containers 4 in the upper and lower multi-stages and in the traveling direction of the crane 23. On one end side of the work passage 22, an unloading device (storage container carry-out port) 25 including a pair of drive roller conveyor devices is provided.

  The storage containers 4 to be replenished to the respective compartment storage spaces 5 of the picking shelf 3 are delivered from the article storage unit 24 to the delivery device 25 by the crane 23 of the replenishment warehouse 11, and then the location of the delivery device 25 from the delivery device 25. Is transferred to the transfer device 17 of the automatic guided vehicle 8, transported by the automatic guided vehicle 8, and replenished to each compartment storage space 5 from the inside.

  Here, the mobile vehicle 1 has a placement portion for placing a collection container in which at least one protrusion is formed upward on at least one side portion so that the collection container can be pulled out in the direction of drawing out the collection container. 36 is provided in at least a plurality of upper and lower stages.

  More specifically, as shown in FIGS. 3 to 6, the moving vehicle 1 has six (plural) caster wheels 32 at the bottom of the traveling machine base 31, and is erected at the four corner positions of the traveling machine base 31. The shelf plates 35 provided in the horizontal direction on the front support column 33 and the rear support column 34 are supported in three levels (a plurality of levels) in the vertical direction Z. And, there are six mounting parts 36 (up and down three stages × front and rear) for placing a collection container (an example of a container) 37 (described later) in a left and right direction (a direction in which the collection container 37 is pulled out). 2 rows in the direction).

  Further, a hand handle 42 is attached to the rear column 34 via a description table 41, and a support shelf 43 attached to the rear column 34 above the description table 41 is attached to a host controller (not shown) of the shelf equipment. A transmitter / receiver (or a card reader capable of reading picking data from an IC card) that transmits and receives necessary data, a cart side controller 44 that includes a display unit that displays the read instruction data, and the like are provided. A numeric keypad 45 and a barcode reader (identification unit reader) 46 for reading the bar coat (identification unit) of the article m are provided.

  Further, on both sides of each shelf board 35 in the left-right direction X, a number display section 47 for displaying the number of articles to be thrown, and a storage instruction lamp (display means) showing a placement section 36 to be thrown on or blinked. 48, and a work completion switch 49 is provided on both sides of the lower portion of the shelf board 35.

  As shown in FIG. 8, the collection container 37 is formed in a rectangular box shape with three (plural) protrusions 37a on both sides in the left-right direction X, and the upper surface is opened. An article m is configured to be freely inserted and removed from the upper surface opening portion 37b, and is further partitioned into left and right collection chambers 37d by a partition plate 37c standing at the center of the collection container 37. Note that the three protrusions 37 a formed upward on both side portions in the left-right direction X are integrally formed so that they can be attached to and detached from the collection container 37.

  As shown in FIGS. 7 to 9, each of the placement units 36 includes a moving means 51 arranged in the left-right direction X at an upper position of each collection container 37, that is, at a lower portion of each shelf board 35. A stopper (an example of a restricting means) 61 that is connected to the moving means 51 and acts on the protrusion 37a to restrict the movement in the left-right direction X is provided.

  As a result, when the collection container 37 is pulled out in the left-right direction X, the stopper 61 connected to the moving means 51 is collected within a range in which the movement means 51 can move when the protrusion 37a of the collection container 37 comes into contact. Since it stops together with the product container 37 and reaches the limit of the movable range of the moving means 51, the collection container 3 also stops. As a result, the moving range of the collection container 3 in the pull-out direction is expanded to the range in which the moving means 51 can move, and the collection container 3 is prevented from falling off the placement portion 36.

  As shown in FIG. 7, the moving means 51 is fixed in the left-right direction X on both sides of the mounting body 52 and the mounting body 52 having a U-shaped cross section fixed in the left-right direction X at the lower part of the shelf board 35. Slide rails (an example of a rail member) 53 and movable members 54 that are guided by the slide rails 53 and are movable in the left-right direction X. Each of the L-shaped moving members 54 is connected to a connecting member 55 connected to the slide rail 53.

  The stopper 61 is arranged in a direction (front-rear direction) Y orthogonal to the left-right direction X, and is a rectangular plate-like first connection body 62 connected to the moving member 54 (connection member 55), and the first connection body 62. A plate-like adjustment plate 63 that is arranged on both side surfaces in the front-rear direction Y and has a long hole 63a in the vertical direction Z formed therein, and the adjustment plate 63 is vertically moved by a knob bolt 64 through the long hole 63a in the vertical direction Z. The second connecting body 65 having an L-shaped cross section that is movably connected in the direction and the projections 37a formed on both side portions in the left-right direction X of the collection container 37 are arranged to be second. A convex contact member 67 is provided which is connected to the connecting body 65 and comes into contact with any one of the protrusions 37a when the collection container 37 is pulled out. The connecting member 66 includes a first connecting body 62, an adjustment plate 63, and a second connecting body 65.

  Thus, when the collection container 37 is pulled out in the left-right direction X, the contact member 67 connected to the movement member 54 via the connection member 66 is moved by the movement member 54 when the projection 37a of the collection container 37 comes into contact. 54 moves with the collection container 37 in the range guided by the slide rail 53.

  Further, the contact member 67 is connected to the adjustment plate 63, that is, the moving member 54 via the second connecting body 65 so as to be movable in the vertical direction Z and to a position where it does not contact the protruding portion 37a of the collection container 37. The collection container 37 can be easily removed from the placement portion 36. The collection container 37 can be moved upward.

  The operation in the above embodiment will be described below. Note that each compartment storage space 5 of the picking shelf 3 is preliminarily replenished with a storage container 4 in which an article m is stored using an automatic guided vehicle 8.

  When the picking operation is started, the location (division storage space) of the compartment storage space 5 of the picking shelf 3 in which the display side of the cart side controller 44 provided in the mobile vehicle 1 stores the sorting m (shop etc.) and the article m to be picked is stored. 5 address N) and the number of articles m to be picked are instructed, and the number display section 47 of the placement section 36 on which the collection container 37 (collection container 37 into which the picked article m is put) is placed. The number of articles m is displayed on the display, and the storage instruction lamp (display means) 48 is turned on.

  An operator in charge of collecting goods (hereinafter referred to as a picking operator) moves the moving vehicle 1 along the picking shelf 3 to an instructed location, and moves the instructed article m to the compartment storage space 5 of the picking shelf 3. The bar code reader 46 reads out the bar code of the article m, puts it into the collection container 37 of the mounting portion 36 where the storage instruction lamp 48 is lit, and collects the article m. When the input of the designated number of articles m is completed, the work completion switch 49 is operated. As a result, the picking operation in the compartment storage space 5 at the specified location is completed, the number display section 47 and the storage instruction lamp 48 are turned off, and the next picking instruction is displayed on the display section of the cart side controller 44. When the collection into the collection container 37 for each sorting destination is completed, the picking operator transports the collection container 37 to the shipping area and ships it.

  Here, when an article m taken out from the storage container 4 of the picking shelf 3 by the picking operator is put into the collection container 37 of the mobile vehicle 1, the collection container in the storage position indicated by the solid line as shown in FIG. 37 is pulled out in the left-right direction X by the picking operator. When the collection container 37 is in the storage position, the partition plate 37 c in the collection container 37 is positioned near the center of the shelf board 35 in the left-right direction X.

  At this time, for example, when the moving member 54 connected to the stopper 61 including the contact member 67 is positioned on one end side (left side) of the slide rail 53, the collection container 37 is placed on the other end side of the mounting portion 36. When pulling out (right side), the protrusion 37a on one side (left side) of the collection container 37 and the contact member 67 come into contact with each other, and the stopper 61 also moves as the collection container 37 moves.

  Then, when the moving member 54 moves to the other end side (right side) of the slide rail 53 and stops, the contact member 67 stopped on the other end side and the contact portion 37a on one side of the collection container 37 contact. In other words, the contact member 67 stopped at the other end side prevents the one side protrusion 37a from moving to the other end (drawing direction), so that the collection container 37 has the one side protrusion. 37a is stopped at a position where the mounting portion 36 is located on the other end side (right side).

  As a result, the collection container 37 is moved to a position where the projection 37a on one side is positioned on the other end side (right side) of the placement section 36, that is, the partition plate 37c in the collection container 37 is the shelf board 35. Is moved to a position below the side end in the left-right direction X (the position where the number display unit 47 and the like are provided), so that the upper surface opening part 37d in the right collection chamber 37d is entirely outward (on the picking operator side). ), And it becomes easy to load the article m.

  Further, when removing (replacement) the collection container 37 provided in the mounting portion 36, the four knob bolts 64 located above the collection container 37 to be removed are loosened, and the contact member 67 is connected. By moving the second connector 65 upward, the contact member 67 is moved to a position where it does not contact the protrusion 37a of the collection container 37, so that the collection container 37 can be easily and smoothly moved from the placement section 36. To be taken out. At this time, since the position adjustment of the contact member 67 in the vertical direction Z is performed by the knob bolt 64, the adjustment can be performed manually without using a tool, and therefore the position adjustment is easily performed.

  As described above, according to the embodiment, when the collection container 37 is pulled out in the left-right direction X, the stopper 61 connected to the movement means 51 moves together with the collection container 37 within a range in which the movement means 51 can move. Therefore, the collection container 37 is moved to a place where the projection 37a on one side is located on the other end side of the placement section 36, that is, the partition plate 37c in the collection container 37 is moved to the left and right of the shelf board 35. It is moved to a position below the side end in the direction X, and the upper surface opening portion 37d in the right collection chamber 37d is all pulled out, so that the product m in the collection container 37 can be easily and smoothly put in and out. It can be carried out.

  Further, according to the above embodiment, when removing (replacement) the collection container 37 provided in the mounting portion 36, the four knob bolts 64 positioned above the collection container 37 to be removed are loosened, By moving the second connecting body 65, to which the contact member 67 is connected, upward, the contact member 67 is moved to a position where it does not contact the protrusion 37a of the collection container 37. It can be easily and smoothly removed from the mounting portion 36.

  In the above embodiment, the knob bolt 64 is used to adjust the position of the abutting member 67 when the collection container 37 provided in the mounting portion 36 is removed (replaced). However, the present invention is not limited to this, and any member that can be manually adjusted without requiring a tool may be used.

Moreover, in the said embodiment, although the mobile trolley | bogie 1 is used for picking equipment, it can also be used for assorting equipment.
In this assortment equipment, while carrying the collection container 37 storing the item m to be picked by the mobile vehicle 1, from the collection container 37 to each frontage of the picking shelf 3 where the sorting destination is set in advance, In accordance with the display (information such as the quantity) of the sorting indicator provided for each frontage, the picking operator transfers the product m to collect the items m for each sorting destination. After the picking operation is finished, the article m is transferred from each frontage to an article collection container (such as cardboard), and conveyed to the shipping area after the packaging / shipping label is attached.

  In the above-described embodiment, the automatic guided vehicle 8 is used as the replenishing means. However, the automatic guided vehicle 8 is not limited to the automatic guided vehicle 8, and a separate crane is provided in place of the automatic guided vehicle 8 and stored by this crane. The container 4 can be refilled. Further, the storage container 4 can be directly replenished by the crane 23 of the replenishment warehouse 11. At this time, the traveling path of the crane 23 is set so that it can move along the inside of the picking shelf 3.

  Moreover, in the said embodiment, although the fluid shelf is used as the picking shelf 3, the general shelf to which the storage container 4 which accommodated the goods m does not move can also be used. At this time, the picking operator removes the top storage container 4 and then moves the next storage container 4 forward. In addition, a pair of flow shelves as picking shelves 3 are arranged in opposite directions so that the inside faces each other, and a ceiling rail 9 is arranged between them, but the flow shelves are arranged in the same direction, and inside each flow shelf The ceiling rail 9 may be arranged.

  Moreover, in the said embodiment, although the automatic warehouse which provided the storage shelf 21 which can be stored for every storage container 4 is provided as the replenishment warehouse 11, in the state which mounted the several storage container 4 on the pallet, ie, pallet It is good also as an automatic warehouse which has the storage shelf which can be stored in a unit. At this time, a robot that can transfer the storage containers 4 from the pallet to the unloading device 25 one by one is required. Further, instead of the replenishment warehouse 11, a storage shelf may be provided in the space above the picking shelf 3 to store the storage container 4.

  Moreover, in the said embodiment, although the container which can be folded is used as the storage container 4 and the collection container 37, you may make it use a corrugated cardboard, a bucket, a case, a tray-shaped thing, etc. Moreover, the thing with a lid | cover (thing which can be sealed) may be sufficient.

  Moreover, in the said embodiment, although each protrusion part 37a in the collection container 37 was formed in the both sides in the left-right direction X of the collection container 37, respectively (three or more) upwards, it is restricted to this. However, the both sides of the collection container 37 in the front-rear direction Y may be provided within the range of the length of the contact member 67 in the front-rear direction Y.

  In the above embodiment, the protrusion 37a is formed so as to be attachable / detachable to / from the collection container 37. However, the protrusion 37a and the collection container 37 may be integrated.

Moreover, in the said embodiment, although the partition plate 37c was standingly arranged in the center part in the collection container 37, the collection container 37 in which the partition plate 37c is not provided may be sufficient.
In the above-described embodiment, the number display section 47, the storage instruction lamp 48, and the work completion switch 49 are provided on both sides of each shelf board 35 in the left-right direction X. Only one of the two sides may be used.

It is a schematic arrangement drawing of the picking equipment which uses the mobile trolley | bogie in embodiment of this invention. It is a partial front view of the picking equipment. It is a principal part perspective view of the picking equipment. It is a side view of the mobile vehicle of the picking equipment. It is a top view of the mobile vehicle of the picking equipment. It is a front view of the moving vehicle of the picking equipment. It is a side view of the moving means and regulation means of the picking equipment. It is a front view of the moving means and regulation means of the picking equipment. It is a top view of the moving means and regulation means of the picking equipment.

Explanation of symbols

1 Mobile vehicle (mobile cart)
35 Shelf plate 36 Placement part 37 Collection container 37a Protrusion part 51 Moving means 53 Slide rail (rail member)
54 Moving member 61 Stopper (regulating means)
65 Connecting member 67 Contact member

Claims (3)

Movement in which at least one stage is provided with at least a plurality of upper and lower stages for placing a container in which at least one protrusion is formed so as to be drawn upward in at least one side part so as to be drawn out in the drawing direction of the container. A trolley
Each mounting part is at least
A moving means arranged in a pulling direction of the container at an upper position of the container;
A moving carriage connected to the moving means, comprising a restricting means that acts on the protrusion and restricts the movement of the collection container in the pull-out direction. Each mounting portion is partitioned by a shelf plate provided in the horizontal direction,
The moving means is
Rail members fixed in the pull-out direction of the container at the bottom of each shelf board;
A movable member guided by the rail member and freely movable;
The regulating means is
A connecting member connected to the moving member;
It is connected with the said connection member so that it may be arrange | positioned between the said projection parts currently formed in the both sides, The contact member which contact | abuts to the said projection part with the drawer of the said container is provided. Item 2. The moving carriage according to Item 1. The contact member is connected to the moving member so as to be movable in the vertical direction,
The movable carriage according to claim 2, wherein the container can be taken out from the placement portion by moving the contact member upward.

Images