CN109878964B - Pulse type production system based on AGV - Google Patents
Pulse type production system based on AGV Download PDFInfo
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- CN109878964B CN109878964B CN201910304293.5A CN201910304293A CN109878964B CN 109878964 B CN109878964 B CN 109878964B CN 201910304293 A CN201910304293 A CN 201910304293A CN 109878964 B CN109878964 B CN 109878964B
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Abstract
The embodiment of the invention discloses an AGV-based pulsed production system, which comprises a production management system, a production management system and a control system, wherein the production management system is used for generating a material receiving application form according to a scheduling plan and a feeding plan; the warehousing management system is used for sending a material distribution instruction based on the stock position of each produced material on the material receiving application form, and sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided transport vehicle dispatching system when receiving a cargo distribution finishing instruction fed back by the handheld terminal; the handheld terminal generates a cargo carrying instruction according to the assembling process information input by the user; the automatic guided vehicle dispatching system comprises a plurality of automatic guided vehicles of various types and a control processor, wherein the control processor generates dispatching instructions according to cargo handling instructions, cargo allocation instructions, the current positions of the respective automatic guided vehicles and vehicle types so as to control the automatic guided vehicles to execute handling tasks. The method is suitable for the production and manufacturing of small-batch and multi-variety products, and can effectively improve the productivity and ensure the product quality.
Description
Technical Field
The embodiment of the invention relates to the technical field of product manufacturing and production, in particular to a pulse type production system based on AGV.
Background
Along with the increasing quality of life, user's demand is diversified, and product and material kind are not only more and more, and the demand is also bigger and bigger.
The existing product production generally depends on manual production scheduling and regional group product assembling modes, the materials are various and large in quantity, a large amount of manpower, material resources and financial resources are consumed, the production efficiency is low, mistakes are easy to make, and the future production requirements cannot be met.
In view of this, how to establish an intelligent production line system with good compatibility, flexible switching and low requirement on rhythm to meet the use requirements of adapting to the existing products with multiple types, more processes, more material supply problems and difficult material distribution, is a problem to be solved urgently by the technical staff in the field.
Disclosure of Invention
The embodiment of the disclosure provides an AGV-based pulse type production system, which is suitable for production and manufacturing of small-batch multi-variety products, and can effectively improve the productivity and ensure the product quality.
In order to solve the above technical problems, embodiments of the present invention provide the following technical solutions:
the embodiment of the invention provides an AGV-based pulse type production system, which comprises a production management system, a storage management system, handheld terminal equipment and an automatic guided vehicle dispatching system, wherein the production management system comprises a monitoring system, a storage management system and a control system;
the production management system is used for generating a material receiving application form according to a scheduling plan and a feeding plan and sending the material receiving application form to the warehousing management system;
the warehousing management system sends a batching instruction to the handheld terminal equipment and/or the automatic guided vehicle scheduling system based on the inventory position of each production material on the material receiving application form; when receiving a cargo allocation completion instruction of the handheld terminal, sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided transport vehicle dispatching system;
the handheld terminal is used for sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided transport vehicle dispatching system according to assembling process information input by a user;
the automatic guided vehicle dispatching system comprises a plurality of automatic guided vehicles of various types and a control processor, wherein the control processor is used for sending dispatching instructions according to the cargo carrying instructions, the cargo allocation instructions, the current position information of each automatic guided vehicle and the vehicle type; and each automatic guided vehicle is used for executing the carrying task according to the received scheduling command.
Optionally, the assembly process information is assembly anomaly information, and the cargo handling instruction includes an assembly anomaly product and corresponding assembly station information; and the control processor sends a scheduling instruction for carrying the assembled abnormal product to the abnormal product repair area to a first AUNT AGV trolley according to the prestored corresponding relation between the address information of the abnormal product repair area and the assembling station name and address.
Optionally, the assembly process information is abnormal product repair completion information, and the control processor sends a scheduling instruction for moving the abnormal assembly product back to a corresponding assembly station on an assembly line to a second AUNT AGV cart according to the abnormal product repair area address information and the assembly station information of the abnormal assembly product.
Optionally, the goods allocation instruction includes shipment area information and delivery area information, and the control processor sends a scheduling instruction for transporting goods in the shipment area to the delivery area to each target Picking AGV according to the goods allocation instruction.
Optionally, the assembly process information is first assembly station completion information; and the control processor sends a scheduling instruction for conveying the tool of the first assembling station to an adjacent assembling tool or a cache position to each target AUNT AGV trolley according to the pre-stored corresponding relation between the name and the address of each assembling station.
Optionally, the assembly process information is final assembly completion information; and the control processor sends scheduling instructions for conveying the products to be conveyed to the detection area to each target AUNT AGV trolley according to prestored address information of the detection area, the products to be conveyed in the cargo conveying instructions and the positions of the products to be conveyed.
Optionally, the production management system obtains the production order list and the material information from the ERP system, and automatically generates a production scheduling plan and a material feeding plan according to the production scheduling parameters input by the user.
The material information comprises a BOM list, the material inventory quantity, the material matching rate information, a product production process route and process parameters.
Optionally, the production management system further includes a production process execution progress management module and a data statistics module;
the production process execution progress management module is used for monitoring and managing the product final assembly process according to data collected by each handheld terminal, feedback instructions and interaction with the warehousing management system and the automatic guided vehicle scheduling system; managing the positions of the station material rack, the station cache region, the abnormal material rack and the cache material rack;
the data statistics module is used for carrying out statistics on various quality data, material shortage conditions, working procedure working hours and yield in the production process.
Optionally, the production management system further includes an information query module;
the information query module is used for displaying the execution condition of each production schedule according to a query instruction input by a user.
Optionally, the production management system further includes a document management module and a personnel information management module;
the file management module is used for storing and managing production instructions, flow work orders, report information, product production process files and change historical data information generated in the production process of products; and the personnel information management module is used for storing and managing the basic information, roles, authorities and working calendars of the workers in the production system.
The technical scheme provided by the application has the advantages that the production management system and the storage management system are utilized to carry out intelligent, rapid and accurate goods allocation on the materials related to the production plan; the automatic guided transporting vehicle is scheduled in real time to carry goods shelves, tools and the like according to requirements in the processes of warehousing and delivery and assembly, so that the coordination capability and the response speed among various departments (such as purchasing, planning, scheduling, warehousing, assembly, testing, processes and the like) in the production system are improved, the capacity is effectively improved, and the product quality is ensured; the novel automatic material distributing device has the advantages of good compatibility, flexible switching and low requirements on rhythm, meets the use requirements of multiple types of the existing products, more processes, more material receiving problems and difficulty in distributing materials in a neat manner, and is suitable for production and manufacturing of multiple types of products in small batch.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a structural framework of an embodiment of an AGV based pulse production system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a product manufacturing process according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall business process of a production management system according to an embodiment of the present invention;
FIG. 4 is a schematic view of a batching process provided by an embodiment of the present invention;
FIG. 5 is a schematic assembly flow chart provided by an embodiment of the present invention;
fig. 6 is a schematic view of a processing flow of an assembly-abnormal product according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may include other steps or elements not expressly listed.
Having described the technical solutions of the embodiments of the present invention, various non-limiting embodiments of the present application are described in detail below.
Referring first to fig. 1, fig. 1 is a schematic structural framework diagram of an AGV-based pulse production system according to an embodiment of the present invention, where the exemplary embodiment of the present invention includes the following components:
an AGV based pulse type production system may include a production management system (MES)1, a Warehouse Management System (WMS)2, a handheld terminal device 3, and an automated guided vehicle dispatching system 4.
It can be understood that, in the production and manufacturing process of the product, the general flow is shown in fig. 2, namely, the warehouse batching flow-assembly area production flow-quality inspection area inspection flow is passed.
In this embodiment, the production management system 1 is configured to generate a material receiving application form according to the scheduling plan and the feeding plan, and send the material receiving application form to the warehousing management system 2. The production management system 1 can generally obtain a production order list and material information from the ERP system, and automatically generate a production scheduling plan and a material feeding plan according to the user input production scheduling parameters and interaction with the ERP system. The material information can comprise BOM lists, material inventory quantity, material matching rate information, product production process routes and process parameters. The ERP system may be, for example, but not limited to, a U8 system.
In one embodiment, please refer to fig. 3, the overall business process of the production management system 1 can be divided into a scheduling business process, a product assembly business process and a system external interface business process.
The scheduling business process may include:
the scheduling personnel performs new addition of the scheduling plan and setting of related parameters through an MES scheduling page:
(1) selecting a production task sheet number:
the operator manually selects the relevant production order, and the system acquires information such as the product code, the product name, the product model number, the total production amount and the like from the U8 system through the production task order number.
(2) Acquiring material information:
the system automatically acquires information such as BOM lists, inventory quantity, material complete rate and the like from the U8 system through product codes; meanwhile, information such as process routes, process parameters and the like is obtained from system basic data through product codes.
(3) Setting scheduling parameters:
and manually adjusting the scheduling priority through a system interface, and setting scheduling parameters such as planned production quantity, start-stop time and the like.
(4) Generating a scheduling plan and a feeding plan:
after finishing the scheduling setting, the system automatically produces a scheduling plan and a daily feeding plan.
(5) Adjusting a scheduling plan:
after the first production scheduling plan is made, the change condition of the production plan is confirmed at 9 points every day, the rolling plan production scheduling is carried out, and if an emergency insertion list exists in the midway, the insertion list is selected or the production scheduling plan is adjusted through a system interface.
(6) And (3) generating a material receiving list and starting production:
and according to the scheduling plan and the feeding plan, the system and the U8 system interact to automatically generate a material receiving list and start production.
(7) Batching and starting production to WMS system:
and according to the generated material receiving list and the production scheduling plan, batching materials to the WMS system and starting production.
Secondly, the product final assembly business process may include:
(1) preparing materials:
an assembler can log in the system through the PAD during daily work, and after the system is checked and worked, the system interacts with the WMS system to dispatch an AUNT vehicle to carry cache materials in the previous day from a work station cache region to a work station material rack.
(2) A material requiring request:
if the materials are insufficient, an assembler can send a material request by operating the PAD, the system interacts with the WMS, and the AUNT vehicle is dispatched to carry corresponding materials from the material cache region to the station material frame.
(3) Production and assembly:
after all the materials are in place, an assembler can start assembling by operating the PAD, and a PAD interface provides a detailed process flow check and a material preparation list; when the materials are insufficient in the assembly process, the material requiring request can be carried out through the PAD at any time.
(4) Carrying an abnormal product tool:
when an abnormity occurs in the assembly process, an assembler can apply for abnormity by operating the PAD, the system interacts with the WMS, and the AUNT vehicle is dispatched to carry the tool to an abnormal product area.
(5) And (3) completing assembly:
when the assembly is completed, an assembler can complete the assembly by operating the PAD, the system interacts with the WMS, and the AUNT vehicle is dispatched to convey the assembled product to the next station; when all the procedures are finished, the system interacts with the U8 system to automatically generate a product inspection report;
(6) caching materials to be processed:
and when the assembler leaves work every day, the PAD and the WMS are operated to interactively schedule the AUNT vehicle, and the redundant materials in the working area are transported to the station cache area.
Finally, the system external interface business process may include:
the MES system mainly carries out production basic data interaction with the ERP (U8) system; and carrying out AUNT vehicle dispatching with the WMS system. When the MES system carries out the production, actively acquiring a production order list, a BOM list and corresponding inventory information from the ERP system (U8); and after confirming the scheduling plan, sending a material requisition form to the U8. When the assembly workshop finishes assembling, the MES system automatically submits a product inspection report to the ERP system (U8). The MES system is mainly responsible for interacting with the WMS system and dispatching the AUNT vehicle to carry materials. When a material receiving application, a material demanding application, a process flow and a material caching application are carried out, the MES system sends a material carrying number and a carrying target storage position number to the WMS system, the WMS system receives an instruction, dispatches the AUNT vehicle to carry out material carrying, and interactively confirms that the carrying is finished with the MES system after the carrying is finished. And when the information of the starting position or the destination position is abnormal, the WMS and the MES interact to feed back the abnormal condition.
Based on the flow of each link, the production management system 1 may further include any one or any combination of the following functional modules:
the system comprises a production process execution progress management module, a data statistics module, an information query module, a document management module and a personnel information management module.
The production process execution progress management module is used for monitoring and managing the product final assembly process according to data collected by each handheld terminal, feedback instructions and interaction with the warehousing management system and the automatic guided vehicle scheduling system; and managing the positions of the station material rack, the station cache region, the abnormal material rack and the cache material rack. The data statistics module is used for carrying out statistics on various quality data, material shortage conditions, working procedure working hours and yield in the production process. And the information query module is used for displaying the execution condition of each production schedule according to a query instruction input by a user. The document management module is used for storing and managing production instructions, flow work orders, report information, product production process files and change historical data information generated in the production process of products. And the personnel information management module is used for storing and managing the basic information, roles, authorities and working calendars of the workers in the production system.
In this embodiment, the warehousing management system 2 sends a batching instruction to the handheld terminal device and/or the automated guided vehicle scheduling system based on the inventory location of each production material on the material requisition form. And when receiving a cargo allocation completion instruction of the handheld terminal, sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided transport vehicle dispatching system.
It can be understood that the warehousing management system 2 is responsible for the inspection and warehousing and ex-warehouse of all incoming materials and the management work of the goods positions at the edge of the production line. The ex-warehouse includes, but is not limited to, ex-warehouse production, ex-warehouse research and development, ex-warehouse engineering, and product shipment. The following describes some of the workflows involved in the warehouse management system 2:
the picking process includes two cases of manual picking and machine picking, and the manual picking process can be as follows:
triggering conditions of manual picking tasks, namely triggering a picking order by an MES (manufacturing execution system) after a material receiving request sheet submitted by the MES is confirmed to be in stock by the WMS;
all orders are generated in a task pool and displayed on a server, are arranged according to a time sequence in principle, and can be selected by a person through a login interface.
The system automatically sends a picking task to the PDA, a reasonable picking sequence is planned, the PDA is clicked to start picking, meanwhile, the PDA can prompt the position of the current material, and the handcart is manually used for prompting the position of a goods shelf according to the PDA; meanwhile, the light of the P2L on the goods shelf is on to prompt goods to be picked; and manually taking down the goods, and scanning the codes to confirm whether the goods picking type and quantity are accurate or not.
And after the manual areas are picked up in sequence, clicking 'manual picking up is completed', pulling the cart to a packing platform, and taking a bill.
The machine pick process may include:
and (4) moving the container to a platform by a picking vehicle, and manually scanning and picking the goods according to the prompt of a human-computer interaction system of the WMS.
After the manual picking is completed, the trolley is pulled to the vicinity of the packing platform to be packed. The method comprises the steps of displaying the start of the order closing on a PDA, clicking the 'start order closing', scanning a bar code of a material box by the PDA, displaying material information and quantity on a PDA screen, inputting the quantity after manually scanning the bar code, putting the quantity into the material box, and sequentially putting the rest materials into the material box.
After the order is closed, the printer is automatically triggered to print out all the picking information of the material box. The corresponding staff places the printed sheets in a bin.
After putting the production materials into the feed box, the worker clicks the 'order closing completion' on the PDA, and dispatches an AUNT vehicle to pull the feed box away; another AUNT pulls another bin and automatically triggers the next task.
After the order combination is completed, the P2L lights up at the position to prompt that the person can move the loading box; after the middle packing box is manually moved away, the middle packing box is taken out, and the codes on the box and the codes on the goods shelf are swept to bind the middle packing box with the position.
In this embodiment, the handheld terminal 3 may include a plurality of terminals, each of the staff members may be respectively assigned to one handheld terminal, and several staff members may share one handheld terminal. The handheld terminal may be any one of the handheld smart devices in the related art, such as a PAD or the like. The handheld terminal is used for sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided vehicle dispatching system according to the assembling process information input by the user. The staff can feed back the current working schedule, collect required system data and call agv car scheduling instructions to the production management system 1, the warehouse management system 2 and the automated guided vehicle scheduling system 4 through the man-machine interaction interface of the handheld terminal 3, and the production management system 1 and the warehouse management system 2 can also issue tasks and other instructions to the staff through the handheld terminal 3.
The automated guided vehicle dispatch system 4 may include a plurality of various types of automated guided vehicles and control processors.
It will be appreciated that the automated guided vehicles may include AUNT AGV carts and Picking AGV carts, and the number of each type of cart may be determined based on the application scenario. The AGV dolly can include the AGV body, independently fill electric pile, P2L (pick to light system), realizes the transport of storage goods.
In the embodiment, the control processor is used for sending a scheduling instruction according to the cargo handling instruction, the cargo allocation instruction, the current position information of each automatic guided transport vehicle and the vehicle type; and each automatic guided vehicle is used for executing the carrying task according to the received scheduling command. The process of generating the scheduling command by the control processor is described in the following with specific examples, and it should be noted that, in each example, the current position information of each AGV needs to be called, and the transport task can be issued to each AGV according to the principle of proximity.
The assembling process information is assembling abnormal information, and the cargo carrying instruction comprises assembling abnormal products and corresponding assembling station information; and the control processor sends a scheduling instruction for carrying the assembled abnormal product to the abnormal product repair area to the first AUNT AGV trolley according to the prestored corresponding relation among the address information of the abnormal product repair area, the assembling station name and the address.
After the abnormal product is repaired, the assembling process information is abnormal product repairing completion information, and the control processor sends a scheduling instruction for moving the assembled abnormal product back to a corresponding assembling station on the assembling line to the second AUNT AGV trolley according to the address information of the abnormal product repairing area and the assembling station information of the assembled abnormal product.
The goods allocation instruction comprises shipment area information and delivery area information, and the control processor sends a scheduling instruction for transporting goods in the shipment area to the delivery area to each target packing AGV according to the goods allocation instruction.
The assembly process information is first assembly station completion information; and the control processor sends a scheduling instruction for conveying the tool of the first assembling station to an adjacent assembling tool or a cache position to each target AUNT AGV trolley according to the pre-stored corresponding relation between the name and the address of each assembling station.
The assembly process information is final assembly completion information; and the control processor sends scheduling instructions for conveying the products to be conveyed to the detection area to each target AUNT AGV trolley according to the prestored address information of the detection area, the products to be conveyed in the cargo conveying instructions and the positions of the products to be conveyed.
In the technical scheme provided by the embodiment of the invention, the materials related to the production plan are intelligently, quickly and accurately distributed by using the production management system and the storage management system; the automatic guided transporting vehicle is scheduled in real time to carry goods shelves, tools and the like according to requirements in the processes of warehousing and delivery and assembly, so that the coordination capability and the response speed among various departments (such as purchasing, planning, scheduling, warehousing, assembly, testing, processes and the like) in the production system are improved, the capacity is effectively improved, and the product quality is ensured; the novel automatic material distributing device has the advantages of good compatibility, flexible switching and low requirements on rhythm, meets the use requirements of multiple types of the existing products, more processes, more material receiving problems and difficulty in distributing materials in a neat manner, and is suitable for production and manufacturing of multiple types of products in small batch.
In order to make the technical processes of the production system provided by the present application in the actual product production and manufacturing process more clearly understood by those skilled in the art, the present application describes the warehouse batching process, the assembly area production process, and the abnormal product handling process respectively, which may include the following contents:
first, referring to fig. 4, the warehouse ingredient flow may be as follows:
a. and the MES production management system generates a material receiving list and informs the WMS intelligent warehouse system to prepare delivery according to the scheduling plan.
b. The WMS warehouse management system informs Picking or manual delivery of the production materials according to the inventory position; the operator picks up goods from the goods wharf shelf MH001/MH002 shelf or the storage area shelves AH 001-AH 073 according to the prompt of the PDA.
c. If the delivery material is a non-final production material, an operator places the selected material on goods shelves BH 001-BH 008 of a delivery area for caching, and a WMS system prints out a delivery order to be taken away manually; non-assembly manufacturing materials include, but are not limited to, semi-finished goods, research and development materials, factory materials, and outsourced goods, among others.
d. If the material of leaving warehouse is the production final assembly material, artifical through sweeping material rack two-dimensional code information on sign indicating number delivery district AZ001 ~ AZ003, according to the station material demand that corresponds on the work rack, the suggestion manual work is joined in marriage the goods.
e. After the material rest in the warehouse delivery area finishes batching, the system informs the AUNT vehicle to carry to a semi-finished goods shelf cache area A100 in the production area, wherein the semi-finished goods shelf cache totally has 8 cache positions which respectively correspond to 8 assembly stations.
f. And the production line operators can place the semi-finished products of the corresponding production stations on the corresponding assembly material racks H001-H0016 to finish production and batching.
g. When the production line racks H001-H016 become empty, the AUNT trolley can transport the empty racks H001-H016 to the warehouse delivery areas AZ 001-AZ 003 or buffer in the rack buffer area, for example, when the delivery buffer areas AZ 001-AZ 003 are in a saturated state.
h. The AUNT trolley carries the semi-finished product shelf cache region A100 to the production and use stations corresponding to the material racks H001-H016; and finishing the batching process.
Next, referring to fig. 5, the assembly area production process can be as follows:
a. during working, the AUNT AGV carries the stations of the tool cache region to 1-8 assembling stations according to an assembling process.
b. After the assembly of a certain station is completed, an assembler informs the AUNT AGV003 to AGV006 to carry the tool to the assembly position or the buffer position of the next process through the PAD.
c. And when all the processes are completely assembled, the AUNT AGV is conveyed to a quality inspection area.
d. If for the assembly of hanging rail car, assembly station 1 ~ 8 accomplish behind the relevant assembly task, deliver to hanging rail unloading point, manual work unloads behind the semi-manufactured goods and carries out the assembly at hanging rule lift SJ001, and AUNT AGV003 ~ AGV006 deliver to assembly station 1 ~ 8 department with the frock.
e. After final assembly, the finished product is conveyed to a quality inspection area through a manual transfer trolley.
f. After the product is unloaded by a detection operator, the blanking operation is completed by holding the PAD.
g. And the empty tool is conveyed to an assembly station I or a tool cache position through AUNT AGV 003-AGV 006.
f. During the next half shift, AUNT AGV002 ~ AGV006 transport frock and goods shelves to work or material rest buffer/frock buffer department.
Finally, referring to fig. 6, the exception handling process may be as follows:
a. if the assembly is found, an operator finds that the assembly is abnormal, records the abnormal reason of the assembled product through the handheld PAD and sends an abnormal instruction.
b. And the AUNT AGV conveys the assembly tools of the corresponding stations to the abnormal product repairing area.
c. And (4) processing the assembly problem in the abnormal repair area of the process personnel, and recording and sending a carrying instruction through a PAD computer.
d. And (4) transporting the repaired product and the bearing tool thereof to the corresponding assembly station of the assembly line by the AUNT AGV, and finishing the processing of the abnormal product.
e. If the parts need to be replaced, the assembler carries out the feeding operation under the line through the U8 system to obtain the spare parts with abnormal parts.
Therefore, the embodiment of the invention is suitable for the production and manufacturing of small-batch multi-variety products, and can effectively improve the productivity and ensure the product quality.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The pulse type production system based on the AGV provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A pulse type production system based on an AGV is characterized by comprising a production management system, a storage management system, handheld terminal equipment and an automatic guided vehicle dispatching system;
the production management system is used for generating a material receiving application form according to a scheduling plan and a feeding plan and sending the material receiving application form to the warehousing management system;
the warehousing management system sends a batching instruction to the handheld terminal equipment and/or the automatic guided vehicle scheduling system based on the inventory position of each production material on the material receiving application form; when receiving a cargo allocation completion instruction of the handheld terminal, sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided transport vehicle dispatching system;
the handheld terminal is used for sending a cargo carrying instruction containing cargo type, carrying starting point and/or end point position information to the automatic guided transport vehicle dispatching system according to assembling process information input by a user;
the automatic guided vehicle dispatching system comprises a plurality of automatic guided vehicles of various types and a control processor, wherein the control processor is used for sending dispatching instructions according to the cargo carrying instructions, the cargo allocation instructions, the current position information of each automatic guided vehicle and the vehicle type; each automatic guided vehicle is used for executing a carrying task according to the received scheduling instruction;
the assembling process information is assembling abnormity information, and the cargo carrying instruction comprises assembling abnormity products and corresponding assembling station information; the control processor sends a scheduling instruction for transporting the assembled abnormal product to the abnormal product repair area to a first AUNT AGV trolley according to the prestored corresponding relation between the address information of the abnormal product repair area and the assembling station name and address; and the control processor sends a scheduling instruction for moving the abnormal assembly product back to a corresponding assembly station on an assembly line to a second AUNT AGV trolley according to the address information of the abnormal article repairing area and the assembly station information of the abnormal assembly product.
2. The AGV-based pulse type production system according to claim 1, wherein the delivery instructions include delivery area information and delivery area information, and the control processor sends scheduling instructions for delivering the cargo in the delivery area to each target Picking AGV according to the delivery instructions.
3. The AGV-based pulsed production system of claim 1 wherein the assembly progress information is first assembly station completion information; and the control processor sends a scheduling instruction for conveying the tool of the first assembling station to an adjacent assembling tool or a cache position to each target AUNT AGV trolley according to the pre-stored corresponding relation between the name and the address of each assembling station.
4. The AGV-based pulsed production system of claim 1 wherein the assembly progress information is final assembly completion information; and the control processor sends scheduling instructions for conveying the products to be conveyed to the detection area to each target AUNT AGV trolley according to prestored address information of the detection area, the products to be conveyed in the cargo conveying instructions and the positions of the products to be conveyed.
5. The AGV pulse type production system according to any one of claims 1 to 4, wherein the production management system obtains a production order list and material information from the ERP system, and automatically generates a production scheduling plan and a feeding plan according to the user input production scheduling parameters;
the material information comprises a BOM list, the material inventory quantity, the material matching rate information, a product production process route and process parameters.
6. The AGV-based pulsed production system of claim 5, wherein the production management system further comprises a production process execution schedule management module and a data statistics module;
the production process execution progress management module is used for monitoring and managing the product final assembly process according to data collected by each handheld terminal, feedback instructions and interaction with the warehousing management system and the automatic guided vehicle scheduling system; managing the positions of the station material rack, the station cache region, the abnormal material rack and the cache material rack;
the data statistics module is used for carrying out statistics on various quality data, material shortage conditions, working procedure working hours and yield in the production process.
7. The AGV-based pulsed production system of claim 6, wherein the production management system further comprises an information query module;
the information query module is used for displaying the execution condition of each production schedule according to a query instruction input by a user.
8. The AGV-based pulsed production system of claim 7, wherein the production management system further comprises a document management module and a personnel information management module;
the file management module is used for storing and managing production instructions, flow work orders, report information, product production process files and change historical data information generated in the production process of products; and the personnel information management module is used for storing and managing the basic information, roles, authorities and working calendars of the workers in the production system.
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