CN113003080A - Device and method for allocating storage positions and scheduling operation in article warehousing management - Google Patents
Device and method for allocating storage positions and scheduling operation in article warehousing management Download PDFInfo
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Abstract
The invention provides a device and a method for allocating storage positions and scheduling operation in article storage management, which comprises a fixed three-dimensional goods shelf and an automatic stacker, wherein the stacker realizes automatic material warehousing and ex-warehouse; the mechanical actions of the stacker include: the transfer trolley is transported and walks in a roadway, the goods turnover box is automatically lifted and falls down, and the goods fork is stretched to store and take goods to the three-dimensional goods shelf; the stacker adopts a double-depth mode, the walking driving mode is vector frequency conversion speed regulation, the braking mode is energy consumption braking, the braking resistance is adopted to absorb energy, and the positioning mode adopts a laser and bar code double-positioning mode. The invention automatically distributes the warehouse entering positions, and realizes the aggregation of customer products, the minimization of warehouse entering and exiting time and the optimization of the bearing of the vertical warehouse.
Description
Technical Field
The invention relates to the technical field of article warehousing management, in particular to a device and a method for allocating storage positions and scheduling operation in article warehousing management.
Background
According to the silver ingot management regulation, the physical specification of the silver ingot is required to be in a rectangular ingot shape or a trapezoidal ingot shape; the surface is required to be smooth and clean, and no interlayer, cold shut, inclusion, cavity, crack and the like are required; and the top end notch height of the 15kg silver ingot is required not to exceed 5mm of the end surface, and the surface of the silver ingot is not required to have mechanical or manual processing marks (except for the notch, copper brush treatment and surface mark). Meanwhile, marks such as trademarks, brands, batch numbers and the like are cast or printed on the standard silver ingots according to requirements, and the weight deviation of 15kg of standard silver ingots cannot exceed 1kg, the length is 365mm +/-20, and the width is 135mm +/-20. In the current standard silver ingot storage, silver ingots are stored on standard pallets of 1200mm x 900mm, each of which stores 66 standard silver ingots, i.e. 1 ton in total weight. The manual warehousing, managing, checking and ex-warehousing modes adopted by the traditional standard silver ingot warehousing cannot meet the requirement of updating labor employment day by day, and meanwhile, the standard storage rules of the silver ingots are not paid, so that certain troubles are caused in the future silver ingot storage standardization process.
In recent years, logistics and warehousing automation equipment is rapidly developed and widely applied in logistics departments of various industries, and the original manpower intensive mode of the logistics industry is gradually changed. The introduction of automation equipment, including AGVs, sorting lines, vertical stores, etc., has played a significant role in e-commerce, retail, and manufacturing logistics. Meanwhile, the automation development of the logistics industry is related to the industry, different industries have different logistics modes, and different logistics scenes have customized requirements on the architecture, the model selection and the system design of the logistics automation equipment. This is even more evident in the management of precious metals, in particular standard silver ingots. Firstly, standard silver ingots are stored in standard trays, with a weight of approximately 1 ton per tray, and goods are standard in weight but have a certain weight; secondly, in the process of storing the silver bullion, warehousing and ex-warehousing operation needs to be carried out according to the customer transaction information, and reasonable storage positions need to be considered to reduce warehousing and ex-warehousing operation time and ensure customer satisfaction due to the current customer information; in addition, the transaction result of the customer in the exchange will cause the customer passing of the sporadic standard silver ingots in the warehouse, that is, no physical movement exists but the phenomenon of information passing of the customer exists. Due to the characteristics, in the process of warehousing the silver bullion, the storage position needs to be calculated finely, and corresponding inventory and warehouse management schemes are designed.
Patent document CN109816284A (application number: CN201711172011.8) discloses a warehouse management system, the configuration system includes a plurality of goods warehousing terminals, stock distributors, and scheduling devices, wherein the goods warehousing terminals include a basic information configuration module, the basic information configuration module is used for configuring goods information of stored goods, and the goods information includes stock information and goods information; the inventory distributor is used for acquiring the cargo demand information and calling the cargo information in the cargo warehousing terminal; the information type contained in the cargo demand information is the same as that of the cargo information; the inventory distributor is used for judging whether the cargo demand information is matched with the cargo information or not, and if so, sending scheduling information to the scheduling equipment; and the scheduling equipment is used for sending scheduling instructions to the corresponding goods warehousing terminals according to the received scheduling information.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a device and a method for allocating storage positions and scheduling operation in article warehousing management.
The device for allocating the storage positions and scheduling the operation in the article storage management comprises a fixed three-dimensional goods shelf and an automatic stacker, wherein the stacker realizes automatic material warehousing and ex-warehouse;
the mechanical actions of the stacker include: the transfer trolley is transported and walks in a roadway, the goods turnover box is automatically lifted and falls down, and the goods fork is stretched to store and take goods to the three-dimensional goods shelf;
the stacker adopts a double-depth mode, the walking driving mode is vector frequency conversion speed regulation, the braking mode is energy consumption braking, the braking resistance is adopted to absorb energy, and the positioning mode adopts a laser and bar code double-positioning mode.
Preferably, the cargo type detection of the platform in the cargo carrying process adopts photoelectric detection and image detection, a camera device and a light source are additionally arranged at the top end of the cargo carrying platform, and the article patterns in the tray are shot in the warehousing process for warehousing and storage;
the cargo platform is positioned by laser and bar code, the fork extending speed is 0.3m/s, and the power of a motor used for lifting is 0.75 kw;
the system adopts a wireless or Ethernet mode for communication, and adopts an optical communicator mode to be interlocked with a conveyor;
the whole power supply mode is 380/220V dustproof splashproof safety wiping line, and the power specification is 380/220V three-phase five-wire system, and the operation mode of adoption is storage management system storehouse position management module direct control, and manual intervention when the mode that adopts the machine to carry the man-machine interface touch-sensitive screen simultaneously warns.
Preferably, when the weight of goods transported by the actuating mechanism reaches a preset value, the safety design is adopted: double warehousing and empty goods taking detection and alarming;
forced speed changing and forced stop switches, automatic telescopic speed changing and telescopic overtime protection of the fork, and mechanical stop blocks at two ends of the fork stroke are arranged at two ends of the walking and lifting stroke of the stacker, and the cargo carrying platform is provided with a cargo shelf cargo space virtual and real detector to avoid double warehousing, and immediately gives an alarm in an effective mode when the cargo space is found.
Preferably, all motors on the stacker have overload and overheat protection, and an effective alarm is given when the motors are triggered;
the stacker has a fault self-diagnosis function, and has the function monitoring of individual modules with detailed fault signals so as to meet the requirement of quick maintenance;
the running mechanism, the lifting mechanism and the pallet fork mechanism are all driven by an alternating current motor, and a vector frequency converter is adopted to realize stepless speed regulation and electric braking, so that the starting and the stopping are stable and quick;
electric braking is used for the change-speed braking, during which the energy release is converted into heat by means of brake resistors, and mechanical braking is effected only at standstill or in emergency braking.
Preferably, the horizontal running speed of the tunnel stacker is forcibly changed into a low speed when the horizontal running distance of the tunnel stacker is close to the end goods position and the tunnel stacker runs outside a goods shelf, and a limit switch is arranged at a preset buffer distance from an end fixed stop block to ensure that the stacker can be parked reliably;
the two ends of the tunnel stacker are provided with polyurethane buffers, so that when a fault occurs, the tunnel stacker can be buffered and parked, and the safety of the tunnel stacker is ensured;
the goods carrying platform is provided with a goods tray appearance out-of-tolerance detection sensor, so that accidents caused by goods exceeding the stacker are avoided, and the fork is provided with a middle position detection switch to prevent false operation of the fork when the rail stacker runs and goes up and down, so that the running safety of the tunnel stacker is ensured.
Preferably, the stacker is provided with a rope loosening and overload alarm, and sends out an alarm signal and stops running when the stacker is overloaded;
the speed-limiting anti-falling device and the speed-limiting protection device are arranged, and when the steel wire rope is broken and the cargo carrying platform descends or the descending speed exceeds the safe speed, the cargo carrying platform can be clamped in time to avoid falling;
a forced speed reduction switch is arranged to ensure that the goods carrying platform can only operate at a low speed when the goods carrying platform operates downwards for a preset distance away from a shelf at one floor;
scenarios where the fork operation is locked include: when the stacker travels or goes up and down, the positioning of the tunnel stacker does not reach the set precision range, and the stacker performs the action of braking switch.
The method for allocating the storage positions and scheduling the jobs in the commodity storage management provided by the invention comprises the following steps:
step 1: providing quality inspection, rechecking the weight, and confirming to suspend warehousing if no code exists and the weight and code list error exceeds a preset threshold value in the automatic identification process; otherwise, entering a storage position classification process;
step 2: according to the warehousing code list, including standard article codes, corresponding customer names, manufacturer names and weights, performing shelving position optimization and workload balance by generating a shelving step sequence, and outputting a warehousing confirmation number, a warehousing position and a warehousing serial number;
and step 3: when receiving confirmation and delivery confirmation are carried out in the warehouse management system, the warehouse management system generates an order form header and order details and uploads the order form header and the order details to the business system, and the business system tracks the execution state of the order form according to the order form information.
Preferably, the step-by-step racking and the step-by-step racking are supported to optimize the racking position and balance the workload, and the specific steps are as follows:
step 2.1: before the articles are put in storage, acquiring a code bill to be put in storage from a client;
step 2.2: according to the serial numbers corresponding to the code sheets, confirming the client numbers of the articles, and acquiring the positions of the articles of the clients in the WCS of the vertical warehouse;
step 2.3: generating a library position list of existing articles of a corresponding client;
step 2.4: acquiring the positions of the articles from the position list of the client one by one;
step 2.5: acquiring current adjacent vacancies in the vertical library according to the library positions in the library position list one by one;
step 2.6: until the number of the selected vacant positions is equal to the number of the articles on the code sheet, generating a locking vacant position list, returning the locking vacant position list together with the code sheet number, and locking the library positions in the vacant position list to the corresponding code sheet library position;
step 2.7: and warehousing, and acquiring the locked warehouse position number and the article number corresponding to the warehouse position number according to the warehousing code list.
Preferably, the selection priority order of adjacent slots in the vertical library is:
-approaching a selected bin position;
-height below current bin level;
-more than two items of the same customer are located in adjacent storage locations;
-a position closest to the outlet.
Preferably, starting from the first article:
if the article identification and weighing result is within the preset range, generating a storage position to be stored and a corresponding tray number, and placing the storage position and the corresponding tray number on a tray to be stored;
if the article identification or weighing result is not in the preset range, placing the article in the area to be processed, and displaying that the article state is abnormal;
if the articles on the corresponding tray are completely identified and weighed, the tray is put in storage;
and if all the articles on the code list are put into the warehouse, ending the warehousing task.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention realizes full-automatic warehousing through the article warehousing equipment;
(2) the invention automatically distributes the warehouse entering positions, and realizes the aggregation of customer products, the minimization of warehouse entering and exiting time and the optimization of the bearing of the vertical warehouse.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of a stacker configuration;
FIG. 2 is a schematic view of a fork construction;
FIG. 3 is a schematic view of a stacker configuration;
fig. 4 is a warehousing flow chart of the Warehouse Management System (WMS).
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example (b):
aiming at the existing standard silver ingot content and the storage management requirement, the invention designs the corresponding automatic storage management equipment, and designs the corresponding storage allocation algorithm according to the equipment characteristics to ensure that: the reaction speed in the warehouse-in and warehouse-out process, the counting in the management process and the minimization of the movement of the standard silver ingots in the warehouse management process, and the weighing requirement to be observed. The storage position allocation algorithm needs to allocate the corresponding positions of the standard silver ingot trays to be stored in the automatic storage equipment before the standard silver ingot trays are stored in the automatic storage equipment.
Automatic storage equipment for standard silver ingots
The automatic storage equipment used in standard silver ingot storage is a modern storage and transportation three-dimensional warehouse (abbreviated as vertical warehouse), the common vertical warehouse consists of a fixed three-dimensional goods shelf and an automatic stacker, and the stacker realizes automatic material storage and discharge. The main mechanical actions of the stacker are: the transfer trolley is transported and walks in a roadway, the goods turnover box is automatically lifted and falls down, and the goods fork stretches and retracts to store the goods on the three-dimensional goods shelf to take the goods. Since the standard silver ingot stores its own storage requirements: (1) the weight of the tray and the goods shelf is balanced; (2) and (4) image recognition and checking. The stacking equipment is designed as follows:
the stacker adopts a double-depth mode, the walking driving mode is vector frequency conversion speed regulation, and the specification size is as follows: 1050mm is 800mm is 300mm, the braking mode is dynamic braking, energy is absorbed by adopting a braking resistor, and the positioning mode adopts a laser and bar code double-positioning mode, so that the positioning precision is guaranteed to be +/-5 mm. In order to ensure that the loading lifting of the stacker can meet the requirement, a certain special design is adopted for the lifting of the cargo carrying platform, wherein the size of the platform surface is 1200mm long and 800mm wide so as to ensure a standard pallet, the appearance of the cargo carrying platform is 1050mm long, 800mm wide and 300mm high, the loading capacity is 1 ton, the lifting height is 3m, the lifting mode is steel wire rope transmission, and the braking mode adopts energy consumption braking and uses a braking resistor to absorb energy. In the equipment design of the invention, a camera device and a light source are additionally arranged at the top end of the cargo carrying platform, and silver ingot patterns in a tray are shot in the warehousing process for warehousing and storage.
The cargo platform is positioned by laser and bar code, and the positioning precision is guaranteed to be +/-5 mm. The fork extending speed is controlled to ensure that the fork can be stably extended at 0.3m/s, the fork is extended out completely and then reaches 2450mm, and the power of a motor used for lifting is 0.75 kw. The stacker is shown in fig. 1a, 1b and 1 c. The communication mode adopts wireless and Ethernet modes. The function of interlocking with the conveyor adopts an optical communication mode. The whole power supply mode is 380/220V dustproof and splash-proof safety sliding contact wires, and the power specification is 380/220V three-phase five-wire system. The operation mode is a direct control mode of a warehouse management module of the warehouse management system, and meanwhile, manual intervention is carried out in a mode of an airborne human-computer interface touch screen.
Because the weight of goods needing to be transported by an actuating mechanism reaches about 1 ton each time, the operation safety needs to be considered, and the following safety design is adopted here: the double-warehousing and empty goods taking detection and alarm system is characterized in that forced speed changing and forced stop switches are arranged at two ends of a walking and lifting stroke of a stacker, forks are automatically changed in speed and protected in a telescopic overtime mode, mechanical stop blocks (shown in figure 2) are arranged at two ends of a fork stroke, and a goods carrying platform is provided with a goods shelf goods position virtual and real detector to avoid double warehousing and immediately alarm in an effective mode when goods positions are found. All motors on the stacker have overload and overheat protection, and when the situation occurs, effective alarm can be given. The stacker has a fault self-diagnosis function and has the function monitoring of individual modules with detailed fault signals so as to meet the requirement of quick maintenance. The running mechanism, the lifting mechanism and the pallet fork mechanism are all driven by an alternating current motor; the vector frequency converter is adopted to realize stepless speed regulation and electric braking, and the start and stop are stable and quick. Electric braking is used for the change-speed braking, during which the energy release is converted into heat by means of a brake resistor. The mechanical braking is only active at standstill or at emergency braking.
The horizontal running speed of the tunnel stacker is forced to be slow when the horizontal running distance between the end goods position and the goods shelf is close and the horizontal running speed runs outside the goods shelf, and a limit switch is arranged at a certain buffer distance from the end fixed stop block, so that the reliable parking of the stacker can be ensured. And polyurethane buffers are arranged at two ends of the tunnel stacker, so that the tunnel stacker can be buffered to stop when a fault occurs, and the safety of the tunnel stacker is ensured. The goods carrying platform is provided with a goods tray appearance out-of-tolerance detection sensor, so that accidents caused by goods exceeding the stacker are avoided, and the fork is provided with a middle position detection switch to prevent false operation of the fork when the rail stacker runs and goes up and down, so that the running safety of the tunnel stacker is ensured.
The goods carrying platform is provided with a goods shelf goods position virtual and real detection sensor to confirm whether goods are in the goods shelf goods position or not, double warehousing is avoided, and when goods are found in the goods shelf goods position, delivery is stopped and an alarm is given. All motors on the stacker are provided with overload and overheating protection, and protection of frequency converters such as overcurrent and overvoltage and the like. The tunnel stacker is provided with an emergency limit switch, and when the goods carrying platform runs upwards to exceed 300mm of the highest goods carrying surface of the goods shelf, the limit switch is triggered to ensure that the goods carrying platform stops running upwards. The stacker is provided with a rope loosening and overload alarm, and sends out an alarm signal and stops running when the stacker is overloaded. The speed-limiting anti-falling device and the speed-limiting protection device are arranged, so that when the steel wire rope is broken and the cargo carrying platform descends or the descending speed exceeds the safe speed, the cargo carrying platform can be clamped in time, and the cargo carrying platform is prevented from falling. And a forced speed reduction switch is arranged to ensure that the goods carrying platform can only run at a low speed when the goods carrying platform runs downwards at a certain distance from the goods shelf on the first layer, and the structural design of the stacker is as shown in figure 3.
The forks are locked in operation as follows:
(1) when the stacker walks or goes up and down;
(2) the positioning of the tunnel stacker does not reach the set precision range;
(3) the stacker performs a brake switch action.
Second, standard silver ingot storage allocation algorithm
The hardware system carries out automatic management through a warehousing management system, and a corresponding warehouse location distribution algorithm is designed when the silver bullion is warehoused, and is input as a warehousing code list which comprises standard silver bullion codes, corresponding customer names, manufacturer names, silver bullion weight, production date and the like. The output is a storage confirmation list which comprises a storage confirmation number, a storage position and storage time.
As shown in fig. 4, the specific warehousing management includes the following:
(1) firstly, providing quality inspection, and rechecking according to weight; in the automatic identification process, if the code does not exist and the weight and code list errors are too large, the suspension of warehousing is confirmed; otherwise, entering a storage position classification process;
(2) according to the warehousing code list, including standard silver ingot codes, corresponding client names, manufacturer names and weights, outputting warehousing confirmation numbers, warehousing positions and warehousing serial numbers by generating a racking step sequence, optimizing racking warehouse positions and balancing working loads;
(3) when receiving confirmation is carried out in the warehousing management system, the warehousing management system generates an order header and order details and uploads the order header and the order details to the business system. And when the delivery confirmation is carried out on the ex-warehouse order in the warehouse management system, the warehouse management system generates an order header and order details and uploads the order header and the order details to the business system. The business system knows the execution state of the order according to the information.
In order to improve the warehousing operation efficiency after warehousing, the invention designs a warehouse location allocation algorithm in the WMS, and the algorithm comprises three targets of realizing warehousing management:
(1) storing silver ingots of the same customer in the similar storage positions;
(2) if two empty warehouse positions exist, the position close to the outlet is preferentially selected;
(3) if there are two empty bin locations, the lower bin is preferably selected.
The factors to be considered at the same time are: and direct racking and step-by-step racking are supported, and optimization of racking warehouse positions and balance of working loads are realized. Here, the algorithm flow is designed by the following main steps:
(1) before standard silver ingots are warehoused for 1 day, acquiring a code bill to be warehoused from a client;
(2) according to the serial number corresponding to the code sheet, confirming the client serial number of each silver ingot, and acquiring the position of the client silver ingot in the WCS of the vertical warehouse;
(3) generating a library position list of existing silver ingots of a corresponding client;
(4) acquiring the positions of the silver bullion in the position list of the customer one by one;
(5) acquiring current adjacent vacancies in the vertical library according to the library positions in the library position list one by one; description of the priority: 1) approaching the selected storehouse position, 2) the height is lower than the current storehouse position, 3) more than two silver ingots of the same customer are arranged on the adjacent storehouse positions, and 4) the position closest to the outlet is arranged;
(6) until the number of the selected vacant sites is equal to the number of the silver ingots on the code sheet, generating a locking vacant site list, returning the locking vacant site list together with the code sheet number, and locking the stock position in the vacant site list to the corresponding storage position of the code sheet;
(7) warehousing: acquiring a locking warehouse position number and a silver ingot number corresponding to the warehouse position number according to the warehouse entering code list;
starting from the first silver ingot:
if the silver ingot identification and weighing results are normal, generating a warehouse position to be warehoused and a corresponding tray number, and placing the warehouse position and the corresponding tray number on a tray to be warehoused;
if the silver ingot identification or weighing result is abnormal, the silver ingot is placed in the area to be processed, and the state of the silver ingot is displayed to be abnormal;
if the silver ingots on the corresponding tray are completely identified and weighed, the tray is put in storage;
and if all the silver ingots on the code list are put into a warehouse, ending the warehousing task.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A device for allocating storage positions and scheduling operation in article storage management is characterized by comprising a fixed three-dimensional goods shelf and an automatic stacker, wherein the stacker realizes automatic material storage and delivery;
the mechanical actions of the stacker include: the transfer trolley is transported and walks in a roadway, the goods turnover box is automatically lifted and falls down, and the goods fork is stretched to store and take goods to the three-dimensional goods shelf;
the stacker adopts a double-depth mode, the walking driving mode is vector frequency conversion speed regulation, the braking mode is energy consumption braking, the braking resistance is adopted to absorb energy, and the positioning mode adopts a laser and bar code double-positioning mode.
2. The device for allocating storage positions and scheduling operation in the warehouse management of the goods as claimed in claim 1, wherein the cargo type detection of the platform in the cargo loading process adopts photoelectric detection and image detection, a camera device and a light source are additionally arranged at the top end of the cargo loading platform, and the images of the goods in the tray are shot in the warehousing process for warehousing and storage;
the cargo platform is positioned by laser and bar code, the fork extending speed is 0.3m/s, and the power of a motor used for lifting is 0.75 kw;
the system adopts a wireless or Ethernet mode for communication, and adopts an optical communicator mode to be interlocked with a conveyor;
the whole power supply mode is 380/220V dustproof splashproof safety wiping line, and the power specification is 380/220V three-phase five-wire system, and the operation mode of adoption is storage management system storehouse position management module direct control, and manual intervention when the mode that adopts the machine to carry the man-machine interface touch-sensitive screen simultaneously warns.
3. The device for warehouse location allocation and job scheduling in the warehouse management of claim 1, wherein when the weight of the goods transported by the actuator reaches a preset value, a safety design is adopted: double warehousing and empty goods taking detection and alarming;
forced speed changing and forced stop switches, automatic telescopic speed changing and telescopic overtime protection of the fork, and mechanical stop blocks at two ends of the fork stroke are arranged at two ends of the walking and lifting stroke of the stacker, and the cargo carrying platform is provided with a cargo shelf cargo space false-true detector to avoid double warehousing and give an alarm immediately when the cargo space is found.
4. The apparatus for warehouse location allocation and job scheduling in the warehouse management of claim 1, wherein all motors on the stacker have overload and overheat protection, and alarm when triggered;
the stacker has a fault self-diagnosis function, and has the function monitoring of individual modules with detailed fault signals so as to meet the requirement of quick maintenance;
the running mechanism, the lifting mechanism and the pallet fork mechanism are all driven by an alternating current motor, and a vector frequency converter is adopted to realize stepless speed regulation and electric braking, so that the starting and the stopping are stable and quick;
electric braking is used for the change-speed braking, during which the energy release is converted into heat by means of brake resistors, and mechanical braking is effected only at standstill or in emergency braking.
5. The apparatus for warehouse space allocation and job scheduling in the warehouse management of the goods according to claim 1, wherein the horizontal running speed of the tunnel stacker is forced to be slow when the tunnel stacker runs horizontally close to the end position and runs outside the goods shelf, and a limit switch is arranged at a preset buffer distance from the end fixed stop block to ensure the stacker to stop reliably;
the two ends of the tunnel stacker are provided with polyurethane buffers, so that when a fault occurs, the tunnel stacker can be buffered and parked, and the safety of the tunnel stacker is ensured;
the goods carrying platform is provided with a goods tray appearance out-of-tolerance detection sensor, so that accidents caused by goods exceeding the stacker are avoided, and the fork is provided with a middle position detection switch to prevent false operation of the fork when the rail stacker runs and goes up and down, so that the running safety of the tunnel stacker is ensured.
6. The device for allocating storage space and scheduling operation in the warehouse management of claim 1, wherein the stacker is provided with a rope-loosening and overload alarm, and the stacker sends out an alarm signal and stops operation when the stacker is overloaded;
the speed-limiting anti-falling device and the speed-limiting protection device are arranged, and when the steel wire rope is broken and the cargo carrying platform descends or the descending speed exceeds the safe speed, the cargo carrying platform can be clamped in time to avoid falling;
a forced speed reduction switch is arranged to ensure that the goods carrying platform can only operate at a low speed when the goods carrying platform operates downwards for a preset distance away from a shelf at one floor;
scenarios where the fork operation is locked include: when the stacker travels or goes up and down, the positioning of the tunnel stacker does not reach the set precision range, and the stacker performs the action of braking switch.
7. A method for allocating storage space and scheduling operation in article warehousing management, which is characterized in that the device for allocating storage space and scheduling operation in article warehousing management according to any one of claims 1-6 is adopted, and comprises the following steps:
step 1: providing quality inspection, rechecking the weight, and confirming to suspend warehousing if no code exists and the weight and code list error exceeds a preset threshold value in the automatic identification process; otherwise, entering a storage position classification process;
step 2: according to the warehousing code list, including article codes, corresponding customer names, manufacturer names and weights, through generating a racking step sequence, racking position optimization and workload balance are carried out, and warehousing confirmation numbers, warehousing positions and warehousing serial numbers are output;
and step 3: when receiving confirmation and delivery confirmation are carried out in the warehouse management system, the warehouse management system generates an order form header and order details and uploads the order form header and the order details to the business system, and the business system tracks the execution state of the order form according to the order form information.
8. The method for the allocation of the storage locations and the scheduling of the jobs in the article warehousing management according to claim 7, wherein the optimization of the storage locations on shelves and the balance of the workload are performed by supporting the direct shelving and the stepwise shelving, and the specific steps are as follows:
step 2.1: before the articles are put in storage, acquiring a code bill to be put in storage from a client;
step 2.2: according to the serial number corresponding to the code sheet, confirming the customer number of the article, and acquiring the position of the customer article in the WCS of the vertical warehouse;
step 2.3: generating a library position list of existing articles of a corresponding client;
step 2.4: acquiring the positions of the articles from the position list of the client one by one;
step 2.5: acquiring current adjacent vacancies in the vertical library according to the library positions in the library position list one by one;
step 2.6: until the number of the selected vacant positions is equal to the number of the articles on the code sheet, generating a locking vacant position list, returning the locking vacant position list together with the code sheet number, and locking the library positions in the vacant position list to the corresponding code sheet library position;
step 2.7: and warehousing, and acquiring the locked warehouse position number and the article number corresponding to the warehouse position number according to the warehousing code list.
9. The method of bin allocation and job scheduling in warehousing management of claim 8, wherein the priority order of selection of adjacent slots in a vertical warehouse is:
-approaching a selected bin position;
-height below current bin level;
-more than two items of the same customer are located in adjacent storage locations;
-a position closest to the outlet.
10. The method of bin allocation and job scheduling in item warehousing management according to claim 7, characterized by starting with the first item:
if the article identification and weighing result is within the preset range, generating a storage position to be stored and a corresponding tray number, and placing the storage position and the corresponding tray number on a tray to be stored;
if the article identification or weighing result is not in the preset range, placing the article in the area to be processed, and displaying that the article state is abnormal;
if the articles on the corresponding tray are completely identified and weighed, the tray is put in storage;
and if all the articles on the code list are put into the warehouse, ending the warehousing task.
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| CN114852572A (en) * | 2022-05-11 | 2022-08-05 | 苏州穗柯智能科技有限公司 | Intelligent goods conveying device for stereoscopic warehouse |
| CN115108227B (en) * | 2022-08-08 | 2023-08-29 | 青岛盈智科技有限公司 | Method and system for warehousing goods in vertical warehouse of stacker for cold chain warehousing |
| CN115108227A (en) * | 2022-08-08 | 2022-09-27 | 青岛盈智科技有限公司 | Stacker vertical warehouse goods warehousing method and system for cold chain storage |
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| CN118333516A (en) * | 2024-03-27 | 2024-07-12 | 三峡高科信息技术有限责任公司 | Intelligent vertical library system based on intelligent recommendation algorithm |
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