KR101568061B1 - Staker Crane Based Steel Product Automatic Storehouse and Management Method thereof - Google Patents

Abstract

The stacker crane-based warehouse automation system of the present invention includes a stacker crane (30) which is controlled through a central control tower (100) in which all information related to steel products is updated, Centralized control method automation is realized. Especially, the multi-level floor lot (LOT) 53, 55, 57, 59, 53-1, 55-1, Magazines 50-1 and 50-2 are used, so that more steel products, such as bars and sections, can be stacked on the same yard area.

Description

Technical Field [0001] The present invention relates to a stacker crane-based steel product warehouse automation system and a method of operating the same,

The present invention relates to a steel product warehouse automation system, in particular, a stacker crane that is controlled through a central control tower in which all information related to steel products is updated, and a linkage facility such as a cargo or conveyor is constructed. The present invention relates to a stackable crane-based steel product warehouse automation system and a method of operating the same.

In general, steel products such as rods and sections are moved to a desired position by a general ceiling crane, and are positioned to facilitate movement using a general ceiling crane.

As an example of this, a warehouse having a space in which a plurality of steel products are stacked, a general ceiling crane such as a steel product, and a warehouse system using a guide frame in which a general ceiling crane can be moved back and forth .

Especially, when the product is moved by ordinary ceiling crane or when it is mounted, the space of the warehouse is divided into the categories of steel products so that the movable section is minimized to the front, rear, left and right sides of the general ceiling crane and the work of the worker is easily managed. . In addition, by inputting information related to the goods receipt and shipment of steel products into the information system, the ease of history management is also realized.

For example, when a steel product is transferred, a work instruction printed matter or a worker who has received a radiograph instruction can use the divided space for visual confirmation of the steel product, so that the confirmation of the steel product can be performed more quickly and conveniently, By inputting product-related information into a separate information system, the history of the product can be managed.

Korean Patent Publication No. 10-1994-0024397 (November 18, 1994)

However, since the steel products are placed on the yard, the vertical space can not be used, and therefore, the quantity of steel products is inevitably small.

In addition, even though the steel products placed on the yard are classified according to the types of steel products, the position information of the products and the actual positions are inevitably inconsistent. Especially, in order to find the corresponding steel products, There are many.

In addition, radio communication between the crane driver and the worker must be performed by using a general ceiling crane for the receipt, shipment, and movement of steel products, and the efficiency of the work is inevitably lowered due to the movement of steel products by radio communication.

In addition, the probability of inconsistency between the position information of the product and the real position is very high by transferring the product by visually confirming the worker and inputting the position movement result of the product to the information system later. In order to manage the inventory of the steel product, It is inevitable that the efficiency of inventory management is also low.

In view of the above, the present invention, which has been invented in view of the above, is able to automate a centralized control system by constructing various stacked equipment together with a stacker crane for controlling all information related to steel products through a central control tower, Especially, Magazine, which can be stacked in various multi-level floors (LOT), is used, so that stacker crane-based steel product warehouse automation system And a method of operating the same.

In order to achieve the above object, a stacker crane-based steel product warehouse automation system according to the present invention includes a ceiling frame provided with guide rails in the front, rear, left and right directions and has a unique rod number Warehouses by type; A stacker crane having a fork on which a rod or a section of a steel rod is mounted and moving in a front and rear direction of the storage space along the guide rail when receiving a control command; A lot (LOT) constituting a layer space in which a rod or a section steel is stacked is composed of a vertical layer partitioned by a unique magazine lot number (LOT No) and interferes with the stacker crane in the forward, A plurality of magazines installed at intervals; And a steel product management DB for updating the goods receipt and shipping related information with the article lot number LOT and the magazine lot number LOT no, and a fork of the stacker crane is conveyed to a conveyance belt or conveyor belt A central control tower for generating a control command to move and move to a specific lot (LOT) of the plurality of magazines (Magazine); Is included.

The stacker crane includes a power section that is operated by a control command of the central control tower to move the fork in the forward, backward, left, right, and up and down directions, and a post that connects the fork and the power section such that the fork is located below the power section .

The plurality of magazines including a first magazine and a second magazine; The first magazine includes a first column serving as a column and first, second, third and fourth lots (LOT) forming a vertical layer partitioned by a unique magazine lot number (LOT No) on one side of the vertical column, A first, second, third and fourth expansion lots (LOT) forming a vertical layer partitioned by a unique magazine lot number (LOT No) on the other side of the vertical column; The second magazine is composed of a vertical column serving as a column and first, second, third and fourth lots constituting a vertical layer partitioned by a magazine lot number (LOT No) unique to one side of the vertical column.

Each of the first, second, third, and fourth lots (LOT) and the first, second, third, and fourth expansion lots (LOT) is formed as an open space such that the central portion thereof enters the fork.

In order to accomplish the above object, the present invention provides a method of operating a warehouse automation system for a steel product based on a stacker crane, comprising the steps of: (a) using a steel product management database in a central control tower, A magazine lot number (LOT No) of a magazine for a magazine on a section is checked, a control command for loading a rod or a section with a stacker crane, and a control command for shipment to a rod or section are transmitted; (b) loading the rod or the section steel into the magazine in the stacker crane located in the warehouse according to the type of the control command, or the stacker crane shipped the rod or section steel from the magazine to the magazine; (c) updating the related information of the rod or section steel in the steel product management DB when the goods receipt or shipment is performed; Is included.

(A) stopping the stacker crane by moving the stacker crane forward, backward and leftward according to an input control command of the central control tower and stopping at the position of the bogie; (b) loading a rod or section steel corresponding to an article lot number (LOT No) loaded on the truck onto a fork of the stacker crane, moving the fork of the stacker crane upward (L1) and moving upward; (c) entering the lot (LOT) corresponding to the checked lot number lot number (LOT No) by moving the stacker crane horizontally toward the checked magazine lot number (LOT No); (d) a fork of the stacker crane is moved downward (L3) from the lot (LOT) and exited from the lot (LOT); (e) the stacker crane is horizontally moved away from the magazine (L4); .

The shipment procedure comprises the steps of: (a) moving the stacker crane forward, backward, leftward and rightward by a shipment control command of the central control tower, moving horizontally (S1), and moving the stack to a lot corresponding to the checked lot number lot number ) Entering the fork of the stacker crane; (b) a fork of the stacker crane is moved upward (S2) upward in the lot (LOT) to pick up a rod or a section rod of the lot number (LOT No) from the lot (LOT); (c) horizontally moving the stacker crane (S3) and coming out of the lot (LOT); (d) lowering the rod of the article lot number (LOT No) to the truck, the fork of the stacker crane being moved downward (S4) to the truck; .

The present invention has the effect of realizing warehousing, shipping, and moving as well as inventory management of centralized automation of various steel products such as rods and sections by using a stacker crane in which a central control tower is controlled.

In addition, since the magazine for stacking steel products having a multi-layered structure separated from each other with the stacker crane moving forward, backward, leftward and rightward and up and down is used, And the steel products of various types such as rods and sections are divided into heights, so that it is easy to sort them by type.

In addition, the present invention immediately updates all information related to steel products to the central control tower, thereby greatly improving the efficiency of inventory management and the operation efficiency.

In addition, according to the present invention, since a truck or a conveyor is connected to a stacker crane by control of a central control tower, the goods receipt, shipment, and movement of steel products can be implemented more quickly and conveniently, and in particular, Thereby reducing costs and preventing casualties.

2 is a view illustrating a method of operating a warehouse automation system for a steel product based on a stacker crane according to the present invention, and FIG. 3 is a flowchart illustrating a method for operating a warehouse automation system for a steel product based on a stacker crane according to an embodiment of the present invention. FIG. 4 is a state of shipment of a steel warehouse using a stacker crane according to the present invention. FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which illustrate exemplary embodiments of the present invention. The present invention is not limited to these embodiments.

1 shows the construction of a steel product warehouse automation system based on a stacker crane according to the present embodiment.

As shown in the figure, the steel product warehouse automation system includes a stacker crane 30 installed in the warehouse 10 so as to be moved back and forth, left and right, and up and down, and a multi- A central control tower 100 having a plurality of magazines 50-1 and 50-2 installed in a space and a steel product management DB 100-1 to be updated and transmitting and receiving control signals, And at least one or more linkage facilities movable to the warehouse 10 for transport.

The warehouse 10 includes a roof frame 20 and a guide rail 40 installed on the ceiling frame 20 so that the stacker crane 30 is moved back and forth, right and left and up and down.

The stacker crane 30 includes a power unit 31 coupled to a guide rail 40 provided in a ceiling frame 20 of the warehouse 10 and moved back and forth along the guide rail 40, And a fork 35 protruding to the right and left of the post 33 to lift and lower the steel product such as a bar or a section steel is attached to the upper portion of the post 33, .

The power unit 31 further includes an inverter for controlling the motor by receiving a control command of the central control tower 100,

The post 33 is formed in a vertical columnar shape and connects the fork 35 and the power section 31 such that the fork 35 is positioned below the power section 31. [

The fork 35 is made of a rectangular cross-section which is spaced apart from each other so as to stably maintain the raised steel product such as a rod or a shape. In particular, the bar of a rectangular cross section can form a pointed tip portion so that it can be easily inserted at an interval of an object.

The magazine 50-1 includes a first magazine 50-1 and a second magazine 50-2. The first magazine 50-1 and the second magazine 50-2 are formed of a first magazine 50-1 and a second magazine 50-2, 1,2,3 Steel products (W-1, W-2, W-3) are stacked.

For example, the first magazine 50-1 has a vertical column 51 serving as a column, a plurality of vertical columns 51 forming a space in which a steel product is stacked at a height difference with respect to each other on one side of the vertical column 51 (LOT) 53-1, 53-55, 57-59, and a plurality of expansion lots (LOTs) 53-1, 53-2, 53-4, 53-5, 57-59 forming a space in which steel products are stacked on the other side of the vertical column 51, , 55-1, 57-1, 59-1).

Here, the plurality of lots (LOT) 53,55,57,59 and the plurality of expansion lots (LOT) 53-1, 55-1, 57-1, And a space is formed at the center thereof.

In this embodiment, the plurality of lots (LOT) 53,55,57,59 are arranged such that when a first lot (LOT) 53 located on the lowermost end of the vertical column 51 is the reference, (LOT) 55 has a height difference above the first lot (LOT) 53 and forms a space in which the steel product is stacked, and a third lot (LOT) (LOT) 59 has a height difference from the upper side of the third lot (LOT) 57 and forms a space in which the steel products are stacked Thereby forming a space. However, if necessary, another fifth lot (LOT) or sixth lot (LOT) may have a height difference above the fourth lot (LOT) 59 and form another space in which the steel product is deposited .

The plurality of expansion lots (LOT) 53-1, 55-1, 57-1, and 59-1 may include a first expansion lot (LOT) 53-1 located on the lowermost end of the vertical column 51, The second lot (LOT) 55-1 has a height difference above the first lot (LOT) 53-1 and forms a space in which the steel product is stacked, and the third lot (LOT) 59-1 forms a space in which the steel product is stacked with a height difference above the second lot (LOT) 55-1, and the fourth lot (LOT) A height difference from the upper side of the lot (LOT) 57-1 forms a space where the steel products are stacked. However, if necessary, another fifth lot (LOT) or sixth lot (LOT) has a height difference above the fourth lot (LOT) 59-1 and forms another space where the steel products are stacked .

The second magazine 50-2 has a vertical column 51 serving as a column and a plurality of lots LOT having a height difference with respect to each other on one side of the vertical column 51 and forming a space in which steel products are stacked ) 53,55,57,59.

In this embodiment, the plurality of lots (LOT) 53,55,57,59 are arranged such that when a first lot (LOT) 53 located on the lowermost end of the vertical column 51 is the reference, (LOT) 55 has a height difference above the first lot (LOT) 53 and forms a space in which the steel product is stacked, and a third lot (LOT) (LOT) 59 has a height difference from the upper side of the third lot (LOT) 57 and forms a space in which the steel products are stacked Thereby forming a space. However, if necessary, another fifth lot (LOT) or sixth lot (LOT) may have a height difference above the fourth lot (LOT) 59 and form another space in which the steel product is deposited .

Particularly, in this embodiment, the first magazine 50-1 and the second magazine 50-2 are installed in a plurality of spaces in the warehouse 10, and the spacing space therebetween is set before and after the stacker crane 30 Left and right and up-and-down movement are not interfered with each other.

Meanwhile, the central control tower 100 includes a steel product management DB 100-1, and the steel product management DB 100-1 stores therein a lot lot number (LOT #) and a lot lot number (LOT # And DB construction.

 Therefore, the central control tower 100 moves the stacker crane 30 forward, backward, left and right, and up and down in the first and second lots (LOT) 53, 55, The third lot (LOT) 57, the fourth lot (LOT) 59, the first expansion lot (LOT) 53-1, the second expansion lot (LOT) 55-1, (LOT) 57-1, and the fourth expansion lot (LOT) 59-1, respectively.

The central control tower 100 is also capable of moving the stacker crane 30 forward, backward, rightward and leftward and up and down in the first and second lots (LOT) 53, 55, The third lot (LOT) 57, and the fourth lot (LOT) 59, respectively.

Meanwhile, the linking facility includes a bogie 200 capable of moving a place including a steel product, and a conveyor 300 capable of moving a place with a steel product.

In the present embodiment, the conveyance facility for the movement of the carriage 200 to the moving rail or the conveyor 300 is connected to the first magazine 50-1 or the second magazine 50-2.

Meanwhile, FIG. 2 shows a flow of a method of operating a warehouse automation system for a steel product based on a stacker crane according to the present embodiment.

The central control tower is operated as in S10, whereas if the central control tower is not operated, the stacker crane remains in the standby mode as in S20-1.

Then, as in S30, the stacker crane receives the command, and it is checked in S40 whether the received command is an article arrival instruction or a shipping instruction. These stacker crane commands are made in the central control tower, which is done by wire / wireless.

This state is illustrated in FIG. The central control tower 100 lowers the control command signal b to the stacker crane 30 so that the stacker crane 30 is switched to the active state.

In the present embodiment, the control command signal (b) is divided into an article receipt instruction of S40 and an article shipping instruction of S40-1.

Referring again to FIG. 2, the control of the stacker crane in which the goods receipt instruction of S40 is received is performed by the procedures of S50 to S100.

S50 is a procedure for checking an article LOT No and a position by an xyz coordinate. Through this, the article LOT No (lot number) of the first steel product W-1 is checked and the checked article LOT No (lot number) The magazine LOT No (lot number) of the first magazine 50-1 or the second magazine 50-2 is checked. The check of the article LOT No (lot number) and the magazine LOT No (lot number) is performed through the steel product management DB 100-1 of the central control tower 100.

Then, when the stacker crane is moved to the linkage facility as in step S60, the stacker crane picks up the article (the first steel article) in the linkage facility as in step S70 and the stacker crane picks up the article (the first steel article) The article is moved to the magazine, and the article (the first steel product) conveyed to the stacker crane as in step S90 is placed in the checked magazine LOT No (lot number), and the process is terminated by completing the article receipt as in step S100.

Such a working procedure is illustrated in FIG. As shown in the figure, the central control tower 100 moves the stacker crane 30 to the truck 200 by lowering the goods movement command signal c to the stacker crane 30. The stacker crane 30 moved back and forth to the xyz coordinate position of the bogie 200 stops at the position of the bogie 200 and the stacker crane 30 is moved downward toward the bogie 200 when necessary. The movement of the stacker crane 30 is achieved by operating the power section 31 of the stacker crane 30 by the movement command signal c.

The stacker cranes 30 are moved upward (L1) in a state in which the first steel product W-1 of the carriage 200 is placed on the fork 35 and the checked magazine LOT No (lot number) (L2). At this time, the checked magazine LOT No (lot number) is assumed to be the second lot (LOT) 55 of the first magazine 50-1.

The first steel product W-1 loaded on the fork 35 is moved to the first magazine 50-1 by the downward movement L3 after the horizontal approach movement L2 of the stacker crane 30 is completed. (LOT) < / RTI > At this time, the second lot (LOT) 55, in which the first steel product W-1 is mounted on the second lot (LOT) 55 by the downward movement L3 of the stacker crane 30, (W-1), it is possible to form a space at the center.

Thereafter, the stacker crane 30 is released from the second lot (LOT) 55 of the first magazine 50-1 by making the horizontal spacing L4.

This completes the work of placing the first steel product W-1 conveyed to the bogie 200 on the second lot (LOT) 55 of the first magazine 50-1, The corresponding information is immediately updated in the steel product management DB 100-1 of the control tower 100. [

Referring again to Fig. 2, control of the stacker cranes on which the article shipment instruction of S40-1 is received is performed by the procedures of S50-1 to S100-1.

In step S50-1, the article LOT No (lot number) of the first steel product W-1 is checked through the check of the article LOT No and the position check by xyz coordinates, and the checked article LOT No The magazine LOT No (lot number) of the first magazine 50-1 or the second magazine 50-2 is checked. The check of the article LOT No (lot number) and the magazine LOT No (lot number) is performed through the steel product management DB 100-1 of the central control tower 100.

Then, when the stacker crane is moved to the magazine as in step S60-1, the stacker crane picks up the article (the first steel product) in the magazine as in step S70-1 and the article (the first steel product) The picked-up stacker crane moves to the linkage facility, and the article (the first steel article) transported to the stacker crane as in S90-1 is transferred to the checked linkage facility, and this process is completed And is terminated.

Such a working procedure is illustrated in FIG. As shown in the figure, the central control tower 100 moves horizontally closer to the checked magazine LOT No (lot number) by moving the shipment moving command signal d to the stacker crane 30 (S1). At this time, the stacker crane 30 moved back and forth in the xyz coordinate position stops at the position of the checked magazine LOT No (lot number), and the checked magazine LOT No (lot number) And a second lot (LOT) 55 is assumed.

The stacker crane 30 is then moved upwardly in the second LOT 55 to move the fork 35 to the first steel product W- 1 of the first magazine 50-1 and is released from the second lot (LOT) 55 of the first magazine 50-1 by horizontally moving the stacker crane 30 (S3).

Thereafter, the stacker crane 30 is moved downward (S4) toward the carriage 200, and the first steel product W-1 loaded on the fork 35 is lowered onto the carriage 200, The transportation of the first steel product W-1 from the second lot (LOT) 55 of the first magazine 50-1 to the bogie 200 is completed.

Upon completion of such work, the steel product management DB 100-1 of the central control tower 100 immediately updates the corresponding information.

As described above, the stacker crane-based warehouse automation system according to the present embodiment includes a stacker crane 30, which is controlled through a central control tower 100 in which all information related to steel products is updated, (LOT) 53, 55, 57, 59, 53-1, 55-1, 57-1, 59, and 59 that are separated from each other (Magazine) 50-1 and 50-2 in which various types of stocks are stacked on the same yard area are used in order to increase the number of steel products such as bars and sections.

10: Warehouse 20: Ceiling frame
30: stacker crane 31: power unit
33: post 33: fork
40: guide rail 50-1: first magazine (magazine)
50-2: Second magazine 51: Vertical column
53,55,57,59: 1st, 2nd, 3rd, 4th lot (LOT)
53-1,55-1,57-1,59-1: 1st, 2nd, 3rd, 4th extension lot (LOT)
100: Central control tower 100-1: Steel product management DB
200: Balance 300: Conveyor
W-1, W-2, W-3: 1st, 2nd and 3rd steel products

Claims (8)

A warehouse having a ceiling frame provided with guide rails in the front, rear, left and right directions, and a rod or a steel section classified by a unique lot number (LOT No);
A stacker crane having a fork on which a rod or a section of a steel rod is mounted and moving in a front and rear direction of the storage space along the guide rail when receiving a control command;
A lot (LOT) constituting a layer space in which a rod or a section steel is stacked is composed of a vertical layer partitioned by a unique magazine lot number (LOT No) and interferes with the stacker crane in the forward, A plurality of magazines installed at intervals;
And a steel product management DB for updating the goods receipt and shipping related information with the article lot number LOT and the magazine lot number LOT no, and a fork of the stacker crane is conveyed to a conveyance belt or conveyor belt A central control tower for generating a control command to move and move to a specific one of the plurality of magazines (Magazine);
Wherein the fork of the stacker crane is formed with spaced-apart quadrangular cross-section bars having a pointed tip;
The plurality of magazines are constituted by a first magazine having a lot (LOT) divided by a unique magazine lot number (LOT No), and a second magazine having a lot (LOT) divided by a unique magazine lot number And each of the lots (LOT) is formed as an open space so that the center portion thereof is made to enter the fork;
The central control tower is operated by an input control command, and a check of an article lot number (LOT No) of a rod or a section steel using the steel product management DB before the generation of the control command and a magazine An xyz coordinate check of the lot number is first carried out and the control command is generated to generate the control command and output the control command to the magazine lot number of the magazine, And controls the front, back, right, left, and up and down movements of the stacker crane by individual position control
A steel product warehouse automation system based on a stacker crane.
The stacker crane according to claim 1, wherein the stacker crane includes: a power section that is operated by a control command of the central control tower to move the fork in the forward, backward, left, right, and up and down directions; and a fork Wherein the steel product crane is mounted on a steel crane.
The method of claim 1, wherein the lot (LOT) of the first magazine is partitioned into a unique magazine lot number (LOT No) on one side of a vertical column serving as a column, LOT) and a first, second, third, and fourth expansion lots (LOT) partitioned by a magazine lot number (LOT No) unique to the other side of the vertical column and forming a vertical layer;
The lot (LOT) of the second magazine is divided into the first, second, third, and fourth lots (LOT) that are divided into a unique magazine lot number (LOT No) on one side of the vertical column A steel product warehouse automation system based on a stacker crane.
4. The method of claim 3, wherein each of the first, second, third, and fourth lots (LOT) and the first, second, third, and fourth expansion lots (LOT) And a stacker crane-based steel product warehouse automation system.
delete (a) When the central control tower is operated by the inputted control command, the central control tower uses the steel product management DB to calculate the lot number and the section lot number of the steel bars and the magazine Check the lot number (LOT No) and the xyz coordinates of the magazine lot number (LOT No) of the rack magazine in the rod or section steel, and send a control command for loading the rod or section steel with the stacker crane, A control command to be transmitted is transmitted;
(b) loading the rod or the section steel into the magazine in the stacker crane located in the warehouse according to the type of the control command, or the stacker crane shipped the rod or section steel from the magazine to the magazine;
(c) updating the related information of the rod or section steel to the steel product management DB when the goods receipt or shipment is performed,
The stacker crane has a rectangular cross section bar having a pointed tip portion of a fork provided in the stacker crane when the rod or the section steel is put in or taken out of the magazine into the center portion of the lot (LOT) of the magazine
And a method for operating a warehouse automation system of a steel product based on a stacker crane.
[7] The method of claim 6, wherein the loading procedure comprises the steps of: (a) stopping the stacker crane by moving the stacker crane forward /
(b) loading a rod or section steel corresponding to an article lot number (LOT No) loaded on the truck onto the fork of the stacker crane, the fork of the stacker crane ascending (L1) and ascending upward;
(c) The stacker crane is horizontally moved (L2) toward the magazine having the checked lot number (LOT No) out of the lot (LOT), and the lot (LOT) corresponding to the checked lot number A step entered;
(d) the fork of the stacker crane is moved downward (L3) from a lot (LOT) corresponding to the checked magazine lot number (LOT No);
(e) the stacker crane is horizontally moved away from the magazine (L4);
Wherein the stacker crane is mounted on the stacker crane.
7. The method according to claim 6, wherein the shipment procedure comprises the steps of: (a) moving the stacker crane forward, backward, left and right according to a shipment control command of the central control tower, Entering the fork of the stacker crane into a lot (LOT) corresponding to a lot number (LOT No);
(b) The fork of the stacker crane is moved upward (S2) upward from the lot (LOT) corresponding to the checked magazine lot number (LOT No) to pick up the rod or the section steel of the lot number ;
(c) the stacker crane is horizontally moved (S3) to exit from a lot (LOT) corresponding to the checked lot number (LOT No);
(d) lowering the rod of the article lot number (LOT No) to the bogie, wherein the fork of the stacker crane is moved downward (S4) to the bogie;
Wherein the stacker crane is mounted on the stacker crane.

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