CN211544765U

CN211544765U - Stock management system

Info

Publication number: CN211544765U
Application number: CN201920063176.XU
Authority: CN
Inventors: 张勇; 彭赛金; 陈南江; 林燕文
Original assignee: Beijing Huatec Information Technology Co ltd
Current assignee: Beijing Huasheng Jingshi Information Technology Co.,Ltd.
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2020-09-22
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a storage battery management system, including the feed bin, the drive unit, the stacker, PLC the control unit and administrative unit, the PLC the control unit respectively with the drive unit, the administrative unit is connected, the PLC the control unit transports the material to the feed bin through control drive unit drive stacker, the PLC the control unit with the material storage in feed bin, the administrative unit is sent to in real time to the operational data of stacker, the administrative unit is through these data of analysis, assign the instruction to the PLC the control unit to control the operation of stacker better.

Description

Stock management system

Technical Field

The utility model relates to a logistics storage field especially relates to a stock management system.

Background

The stacker is used as the core logistics equipment of the automatic stereoscopic warehouse and is also the most important equipment in the logistics storage system. In the working process of the stacker, the materials are conveyed out of the warehouse and put into the warehouse, the state of the warehouse is recorded, and whether the materials exist in the warehouse or not is monitored, and the sensors arranged in the warehouse are generally used for sensing. The sensor is arranged at each warehouse location, so that the cost is increased, the installation and debugging are complex, the PLC is used for controlling the stacker to go to the corresponding warehouse location in the process of warehousing and delivering materials, the control program amount is large, the control program is complex, and the troubleshooting is difficult.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a need not at every storehouse position installation sensor, and use nimble convenient material management system.

In order to realize the above-mentioned purpose, the utility model relates to a stock management system, including the feed bin, the drive unit, the stacker, PLC the control unit and administrative unit, the PLC the control unit respectively with the drive unit, the administrative unit is connected, the PLC the control unit transports the material to the feed bin through control drive unit drive stacker, the PLC the control unit is with the material storage of feed bin, the administrative unit is sent to in real time to the operational data of stacker, the administrative unit is through these data of analysis, assign the instruction to the PLC the control unit, with the operation of better control stacker.

Further, the material storehouse is built by the aluminium alloy and is formed, and the material storehouse includes a plurality of storehouse position.

Furthermore, the stock library has 40 stock positions, and a division mode of 5 × 8 (vertical rows × horizontal rows) is adopted.

Further, a photoelectric sensor is mounted on a grabbing mechanism of the stacker and used for detecting the storage condition of materials in the warehouse, the photoelectric sensor is in wireless connection with the PLC control unit, and the detected material information is transmitted to the PLC control unit for analysis and processing.

Furthermore, the driving unit comprises a servo driving module and a pneumatic driving module, the servo driving module and the pneumatic driving module are connected with the PLC control unit through a field bus, and the servo driving module and the pneumatic driving module are controlled by the PLC control unit so as to control the operation of the stacker and the material unloading.

Furthermore, the servo driving module comprises a servo driver and a servo motor, and the servo motor is arranged at the lower part of the stacker and is used for driving the stacker to operate on an X axis and a Z axis; the servo driver is respectively connected with the servo motor and the PLC control unit, and the servo driver and the PLC control unit are installed in a control cabinet on the side face of the material warehouse.

Further, the pneumatic driving module is installed on a Z-axis tray of the stacker to control the grabbing and unloading of the materials.

Further, the PLC control unit is provided with a PROFINET communication interface and is in communication control with the servo driving module and the pneumatic driving module through the PROFINET communication interface; the PLC control unit is arranged in a control cabinet on the side face of the material warehouse, the PLC control unit carries out statistics on the state of the stacker and the state of the material warehouse through the actions of warehouse exit and warehouse entry of the stacker, and feeds back the statistical data to the management unit, and the management unit issues instructions to the control unit according to the data.

Further, the management unit is in bidirectional communication with the PLC control unit through a dynamic link library, the states of the stacker and materials are collected into the management unit, and instructions are given to the PLC control unit according to the requirements of field working conditions to control the operation of the stacker; through the management unit, the material inventory information can be analyzed in real time, the work of the stacker is reasonably distributed, and the work efficiency is effectively improved.

The utility model discloses following beneficial effect has:

firstly, the utility model adopts advanced bus control, and is convenient and rapid to install, debug, maintain and maintain;

secondly, the utility model collects the states of the stacker and the material warehouse into the management unit, and the management unit carries out reasonable work arrangement and data analysis on the stacker and the material warehouse, thereby reducing the workload of the PLC control unit to a certain extent;

the management unit of the utility model records the state of the material warehouse in the management unit by collecting the state of the material warehouse, controls and manages the material warehouse in and out through the product type, the time of entering and exiting the warehouse and the random selection condition, and realizes the operation control of sequence, random and manual entering and exiting the warehouse;

the utility model discloses a management unit, play the function of data acquisition and control, more nimble, the price/performance ratio is higher than current SCADA system.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a flow chart of the present invention;

FIG. 3 is a flow chart of the delivery process of the present invention;

fig. 4 is a flow chart of the inventory warehouse of the present invention.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The present invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 4, the utility model relates to a stock management system, including stock 1, drive unit, stacker 5, PLC the control unit and administrative unit, PLC the control unit respectively with drive unit, the administrative unit is connected, PLC the control unit transports the material to the stock through control drive unit drive stacker 5, PLC the control unit is with the material storage in stock, the administrative unit is given in real time to data such as the operation of stacker, the administrative unit is through these data of analysis, issue the instruction to PLC the control unit, with the operation of better control stacker.

The material warehouse 1 is located outside the stacker 5 and is built by aluminum profiles, and comprises a plurality of warehouse positions 2, so that different products can be stored and managed, product types can be increased or decreased, and distribution control can be performed through a management unit. In this embodiment, the stock library has 40 stock positions in total, and a division manner of 5 × 8 (column × row) is adopted, so that in practical application, an appropriate number of stock positions can be divided according to factors such as the size of the stock library and the type of a stored product.

A photoelectric sensor is arranged on a grabbing mechanism of the stacker 5 and used for detecting the storage condition of materials in a storage position, and the photoelectric sensor is wirelessly connected with a PLC control unit and used for transmitting the detected material information to the PLC control unit for analysis and processing.

The drive unit comprises a servo drive module 3 and a pneumatic drive module 4, the servo drive module 3 and the pneumatic drive module 4 are connected with the PLC control unit through a field bus, the servo drive module 3 and the pneumatic drive module 4 are controlled by the PLC control unit to control the operation of the stacker and the material taking and unloading, wherein the servo drive module 3 comprises a servo driver and a servo motor, the servo motor is installed at the lower part of the stacker 5 and used for driving the stacker 5 to operate on an X axis and a Z axis, the servo driver is respectively connected with the servo motor and the PLC control unit, and the servo driver and the PLC control unit are installed in a control cabinet on the side face of the material warehouse; and the pneumatic driving module is arranged on the Z-axis tray of the stacker to control the grabbing and unloading of the materials. In addition, the servo driving module is provided with a PROFINET communication interface which is used for being connected with the PLC control unit, and the PROFINET communication interface has the advantages of high and stable communication speed, so that the installation, debugging and maintenance are more convenient and faster; the servo drive unit adopts Siemens V90 series servo to start EPOS function of the servo, the PLC control unit can directly call FB284 function blocks to control the servo, and the program amount can be reduced; the pneumatic driving module is driven by a distributed IO (input/output) provided with a PROFINET communication interface, and the PROFINET communication interface is used for being connected with the PLC control unit for use.

The PLC control unit comprises an S7-1200PLC, is provided with a PROFINET communication interface, and is in communication control with the servo drive module and the pneumatic drive module through the PROFINET communication interface. The PLC control unit is arranged in a control cabinet on the side face of the material warehouse, the PLC control unit carries out statistics on the state of the stacker and the state of the material warehouse through actions of warehouse discharging, warehouse entering and the like of the stacker and feeds back the statistical data to the management unit, the management unit issues instructions to the control unit according to the data, and the instructions comprise product selection, warehouse level selection, priority and the like.

The management unit carries out two-way communication with the PLC control unit through the dynamic link library, collects the state of the stacker and materials into a database of the management unit, and gives instructions to the PLC control unit according to the requirements of field working conditions to control the operation of the stacker. Through the management unit, the material inventory information can be analyzed in real time, the work of the stacker is reasonably distributed, and the work efficiency is effectively improved. The management unit is directly connected with the PLC control unit, analyzes the inventory state and issues commands to the PLC control unit.

The utility model relates to a storage battery management system, the data that the administrative unit sent through gathering the PLC the control unit, and then the rethread assigns the instruction for the PLC the control unit, and control stacker moves high-efficiently.

The utility model relates to a stock managing system, its management method as follows:

(1) warehousing: when the stacker is in an initial state, the materials are default to be empty, the management unit performs warehousing according to the types and the quantity of products ordered by an MES (manufacturing execution system), the stacker grabs the products to be warehoused, after the products are placed into corresponding warehouse positions, the PLC control unit sends warehousing completion signals to the management unit, the management unit stores state data of the warehouse positions into a database of the management unit, and the PLC control unit can read the state of the warehouse stored in the database in real time;

(2) and (4) ex-warehouse: after warehousing is finished, the stacker carries out ex-warehouse tasks according to the ordered products, after the stacker takes out the products from the stock, the PLC control unit sends out an ex-warehouse finishing signal to the management unit, and the management unit stores the state data of the stock position into a database of the management unit and updates the state of the stock;

(3) and (4) inventory storage: the idle time of the stacker is too long, the number of products in the material warehouse is unknown, the management unit issues a warehouse inventory command, the PLC control unit controls the stacker to perform material inventory, the stacker sequentially inspects each warehouse location, and the photoelectric sensor transmits the detected warehouse location storage state to the management unit through the PLC control unit and updates the warehouse location storage state into the database of the management unit.

The stacker selects the warehouse location in the process of warehousing and ex-warehouse, which is given by the management unit and can be selected according to various modes:

sequentially going out and putting in storage: selecting a target library position according to the sequence of the library position numbers;

and II, randomly warehousing and ex-warehouse: the management unit randomly selects a target library position;

and thirdly, warehousing and exporting according to the running time: if the order requires time, the method can be carried out according to the running time of the stacker to the target storage position, and the fastest target storage position is selected;

fourthly, according to other requirements, obtaining and warehousing: the designated target library location may be selected based on some particular requirement.

The utility model discloses following beneficial effect has:

the management unit of the utility model records the state of the material warehouse in the database by collecting the state of the material warehouse, controls and manages the material warehouse in and out through the product type, the time of entering and exiting the warehouse and the random selection condition, and realizes the operation control of sequence, random and manual entering and exiting the warehouse;

Claims

1. A stock managing system is characterized by comprising a stock warehouse, a driving unit, a stacker and a photoelectric sensor arranged on a grabbing mechanism of the stacker and used for detecting the storage condition of materials in the stock warehouse, wherein the driving unit comprises a servo driving module and a pneumatic driving module, the servo driving module comprises a servo driver and a servo motor, and the servo motor is arranged at the lower part of the stacker and used for driving the stacker to operate on an X axis and a Z axis; and the pneumatic driving module is arranged on the Z-axis tray of the stacker to control the grabbing and unloading of the materials.

2. The stock management system according to claim 1, wherein the stock is constructed from aluminum profiles and comprises a plurality of stock positions.

3. The stock management system of claim 2, wherein the stock has a total of 40 stock positions, and is divided into 5 columns by 8 rows.

4. The stock management system of claim 3, wherein the servo driver is connected to the servo motor and the PLC control unit, and the servo driver and the PLC control unit are installed in a control cabinet at the side of the stock.