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Analysis Of Automation System In Automated Stereoscopic Warehouse

- Dec 07, 2017 -

Automated three-dimensional warehouse machinery and equipment generally include high-rise shelves, roadway stacker and outbound transportation, handling machinery.


I. High-rise shelves


1, light load type high level shelf


Light load type shelf height 5~10m, with plastic baskets and other containers for access units, access weight in the 50~100kg, generally light weight, small goods for the storage of objects more suitable, such as electronic parts, precision machine parts, automotive parts, pharmaceuticals and cosmetics.


2. Unit-loaded high-rise shelves


Unit-loaded High level shelf height of up to 40m, storage capacity of up to 100,000 pallet units, suitable for large warehouses, the general height of 6~15m, the number of storage in $number tray unit. With the continuous improvement of storage automation technology, the access time is getting faster, taking 100 of pallet unit access as an example, the average access time is 70s/pallet.


Second, the roadway stacking machine


The roadway stacker is also called the roadway stacking crane, which is the most important handling equipment in the automated stereoscopic warehouse, it is the special crane which develops with the appearance of the stereoscopic storehouse, specially uses in the elevated warehouse.


The roadway stacker is generally composed of a frame, a running mechanism, a lifting mechanism, a driver's room, a fork extension mechanism and an electrical control device.


1, Roadway type single column stacking machine


The stacking machine frame of single column structure consists of a column and a lower beam. The column is made of large H-beam welding, and the column is attached with guide rail. The weight of the machine is lighter, the consumption material is less, so the manufacturing cost is relatively low, but the rigidity is slightly worse. The parameters of the device are as follows.


Main performance: Warehouse height 6~24m, maximum 40m;


Operating speed: Standard type 80m/min, high speed type 200m/min;


Lifting height: standard type Hmax = 20m/min, high speed hmax=50m/min;


Fork Telescopic speed: Vmax = 12m/min (Standard), 50m/min (high speed).


2, double column roadway stacking machine


The machine frame consists of two columns and upper and lower beams, which form a rectangular frame. The column forms the tube and the round tube, the square tube also makes the lifting guide, the round pipe needs to attach the lifting guide rail.


Analysis of automation system in automated stereoscopic warehouse

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III. Peripheral handling system, control system and loader and palletizing robot


The roadway machine can only carry on the access operation in the roadway, the goods out of storage need to pass around the supporting conveyance machinery facility.


The surrounding handling system includes transporting and conveying equipment, automatic guide vehicle, robot, forklift, trolley, pallet, etc. Its role is to cooperate with the roadway stacker to complete the transport of goods, handling, sorting and other operations, but also can temporarily replace the main handling system, so that the automatic access system to maintain work, complete the goods out of the warehouse operation.

Automated Warehouse control system: Automated warehouse control of the form of manual control, random automatic control, remote control and computer automatic control of four forms.


1, shuttle car (RGV Rail Guide vehicle)


In the automated logistics system, the main use of material transport chain, roller, belt conveyor and other general equipment, generally fixed on the ground. Put the above equipment on the walking wheel, moving along the fixed path, become a shuttle vehicle. The shuttle vehicle has the characteristics of dynamic loading, which can make the conveying and conveying line layout of the materials more compact and simple, so as to improve the delivery efficiency of the materials. Therefore, the shuttle vehicle in the automated logistics system application is more common.


Generally speaking, the transportation equipment along the fixed track is called the Shuttle vehicle (RGV), the trackless vehicle is called the AGV, which is transported in the air, called the suspension Trolley (EMS). From the form of the track, the shuttle can be divided into reciprocating direct shuttle vehicle and circular shuttle car, the circular shuttle can run more than one body on the same track, can greatly improve the handling capacity, is the development trend of the shuttle vehicle. At present, the speed of domestic shuttle car is generally 120~200m/min, in the foreign airport baggage sorting system, the use of contactless energy transfer technology of the shuttle car up to the highest speed can reach 600m/min.


The shuttle vehicle (RGV) is constrained and guided by a rail or a ground chain to run the car. It has two sets of transmission mechanism: conveying mechanism, sports organization. The shuttle car (RGV) is constrained by a two-track and monorail two.


Analysis of automation system in automated stereoscopic warehouse


Monorail reciprocating shuttle car

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Analysis of automation system in automated stereoscopic warehouse

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Double-track reciprocating shuttle car


2. Roller Conveyor


Roller conveyor is divided into dynamic type and no power type, no power type has a certain gradient, so that the goods by their own gravity from the high-end moving to the low-end;


The power is composed of a series of rollers with a certain spacing; 3-4 rollers support a cargo at the same time.


3, Chain Conveyor


(1) Load-type chain conveyor


(2) flat-top plate chain Conveyor


(3) Hanging chain Conveyor


(4) Chain hoist


4. Automatic Guide van (AGV)


AGV (Automatic guided Vehicle) is one of the key equipments in the automatic logistics system, which is equipped with an automatic guidance device such as electromagnetism or optics, which can travel along the specified guiding path, has security protection and various load-carrying functions.


AGV is under the control of the computer and wireless local network, through the magnetic, laser and other guidance devices to guide and along the program set path to complete the operation of unmanned automatic car. AGV has security and a variety of load-carrying functions, the use of battery-driven (AC, DC), is an automated logistics system, one of the key equipment, for modern manufacturing logistics and automated warehouse provides a highly flexible and automated transport methods.

It has the basic function of driving, acknowledging and transferring load.


5, Palletizing Machine and palletizing robot


Automated warehouse System in a large number of use of palletizing machine or robot to complete stacking, demolition work.


1. Robot automatic packing and stacking workstation


is an integrated system that includes industrial robots, controllers, programmers, robotic gripper, automatic disassembly/stacking machines, pallet conveyors and positioning equipment, and stacking mode software. It also configures automatic weighing, labeling and detection and communication systems, and is connected to the production control system to form a complete integrated packaging production line. Robot automatic Boxing, palletizing workstation can be used in building materials, home appliances, electronics, chemical fiber, automobiles, food and other industries.


The specific application of robot automatic packing and Palletizing workstation has the following kinds:


(1) Production line end palletizing Simple workstation: This kind of flexible palletizing system from the conveyor line up and down material and the workpiece stacking, add layer pad, and so on, followed by a conveyor line will be a good code tray to send away.


(2) Stacking/disassembling workstation: This flexible palletizing system can be three stacks of different cargo code into a stack, the robot can also grab trays and bedding, a stack of code after full output from the conveyor line.


(3) Stacking in the production line: the workpiece in the conveyor line positioning point was crawled and placed on two different pallets, the layer pad is also crawled by the robot. The pallet and the full stack are automatically output or input through the line body.


(4) The complex workstation of the end palletizing of the production line: The workpiece comes from three different line bodies, they are crawled and placed on three different pallets, and the bedding is crawled by the robot. The pallet and the full stack are automatically output or input on the line body.


Analysis of automation system in automated stereoscopic warehouse


Robot palletizing

自动化立体仓库中的自动化系统解析

Analysis of automation system in automated stereoscopic warehouse

自动化立体仓库中的自动化系统解析

Stacking Machine palletizing


6, automatic sorting machine equipment


Sorting refers to the items sorted by variety, out of the order of warehousing and stacking operations. This work can be done manually or with automated equipment. Can be continuously, high-volume sorting of goods, sorting error rate is very low, the basic realization of the sorting operation unmanned.


1. The applicable conditions of automatic sorting system


(1) One-time investment is huge (the need to build a short 40-50, the length of 150-200 meters of mechanical transmission line, but also have a matching mechanical and electrical integration control system, computer network and communication system).


(2) High requirements for the packaging of goods (only suitable for sorting the bottom of flat and rigid packaging rules of goods).


In order to make most goods can be automatically sorted by machinery, the measures can be taken: (a) the implementation of standardized packaging, so that most of the packaging of goods in line with national standards; (b) custom-made sorting machines are customized according to the uniform packaging characteristics of most of the goods being sorted.

2. The composition of automatic sorting system


There are a wide range of automatic sorting systems, which are generally composed of control devices, classification devices, conveying devices and sorting intersections. The above four parts are connected together by computer network, and the manual control and the corresponding manual processing link constitute a complete automatic sorting system.


(1) The function of the control device is to identify, accept and deal with the sorting signal, according to the requirements of the sorting signal to indicate the classification device, according to the commodity variety, the place of delivery of goods or the category of shippers to automatic sorting of goods.


(2) The function of the classification device is according to the sorting instructions issued by the control device, when the product with the same sorting signal passes through the device, the device works to change the running direction of the commodity on the conveying device, so that it enters the other conveyor or the sorting crossing.


(3) The main component of the conveying device is the conveyor belt or conveyor, its main function is to make the goods to be sorted through the control device, classification device.


(4) The sorting crossing is a passageway in which the sorted goods are separated from the main conveyor into the gathering area, generally has the steel belt, the belt, the roller and so on composes the chute, causes the commodity to slide from the main conveying device to the gathering platform, where the staff will be all the goods of the crossing to be centralized or storage, or the group with the loading and distribution operation.


3. Type of automatic sorting system


There are more than 10 different types of automatic sorting system, which are divided into linear type sorting system and ring type sorting system. The linear type sorting system mainly includes the slider type sorting machine, the wheel sorting machine, the drum sorting machine and so on; the ring type sorting system mainly includes the tilting type sorting machine and the cross belt type sorting machine; others also have the push type sorting machine and the vertical sorting machine.


Cargo transmission device: steel belt conveyor, belt conveyor, pallet conveyor, roller conveyor, etc.


The common automatic sorting mechanism has the introduction type, the surfaced wheel steering wheel, the tilting mechanism and so on.


Analysis of automation system in automated stereoscopic warehouse


Cylinder side push type roller column sorting machine


Analysis of automation system in automated stereoscopic warehouse


Chain-driven roller-column sorting machine


Analysis of automation system in automated stereoscopic warehouse

自动化立体仓库中的自动化系统解析

Fall into the type sorting machine

自动化立体仓库中的自动化系统解析

Analysis of automation system in automated stereoscopic warehouse

自动化立体仓库中的自动化系统解析

Sliding block type roller column sorting machine

自动化立体仓库中的自动化系统解析

Analysis of automation system in automated stereoscopic warehouse

自动化立体仓库中的自动化系统解析

Large pallet high speed sorting machine


4. Main technical parameters of automatic sorting machine


(1) Main machine sorting efficiency: pieces/hour;


(2) Operating speed: M/s;


(3) The size and weight range of the sorting items;


(4) The capacity of the number of the mouth and the pass;


(5) The number of seats available;


(6) The error rate of sorting;


(7) The Power and drive mode of the sorting machine.


IV. Automated Warehouse Information Management system


The information management system of automated warehouse includes computer monitoring system, database system and network system.


Computer monitoring system involves the management of computer, monitoring computer, control the implementation of specific equipment PLC controller. The database system completes the storage of the underlying data, and the network system completes the transmission and exchange of complex information.


1. Function design of information management system


Automated warehouse information Management system should have the following functions:


1. Demand management system: Determine the quantity and time of material requirement according to the production plan, sales status, stock condition, goods List and date.


2. Ordering Management subsystem: order making and processing.


3. Storage Management system functions: warehousing management, shelf management, out of the library management.


4. nonconforming Product Management System: Acceptance management, production return product management, market return product management.


5. Inventory Management System: Inventory status analysis, ABC classification management, pull-type inventory management, sluggish product management.


6. System maintenance: System initialization, installation of various types of coding and processing methods (such as platter mode, out of storage mode, batch mode, date, database, the initialization of the location code) and so on.


2. The function requirement of the computer control system of the automatic warehouse


The operation process of the automated warehouse is generally warehousing, handling in the storehouse, goods storage, fetching goods and goods out of the storehouse. The whole work is carried out under the control of the computer system. Computer system is generally a three-level management control system, the upper computer and the local area network connected, the lower computer and the Controller plc connected, through the wireless and cable transmission data.


Computer control system function requirements: computer control system mainly control the speed of sorting machine, control the start-up and operation time of sorting and importing machinery, control the speed and operation of AGV, shuttle, conveyor, complete the stacking machine or palletizing robot.


3, several typical automatic warehouse control system structure


1. Centralized control system


The main computer carries out warehouse management by monitoring the CRT system in the central control room of the system structure, such as issuing inventory control, cargo warehousing and carrying instructions, while carrying out the management of warehouse equipment and storage of goods.


2. Distributed system control Structure

自动化立体仓库中的自动化系统解析

Analysis of automation system in automated stereoscopic warehouse

The main computer controls the conveyor controller, the Stacker controller, the AGV controller, the VGA controller and the VGB controller respectively through the controller, and each controller manages the equipment (conveyor, stacker, AGV, etc.).


Analysis of automation system in automated stereoscopic warehouse


自动化立体仓库中的自动化系统解析

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