CN114226292B

CN114226292B - Part circulating light sorting system and method

Info

Publication number: CN114226292B
Application number: CN202111540019.1A
Authority: CN
Inventors: 薛俊嘉; 钱军; 巩安周; 高群; 陈创
Original assignee: Dongfeng Motor Group Co Ltd
Current assignee: Dongfeng Motor Group Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2023-06-09
Anticipated expiration: 2041-12-15
Also published as: CN114226292A

Abstract

The application discloses part circulation light picking system and method relates to the technical field of automobile manufacturing, and comprises the following steps: the terminal display subsystem comprises a plurality of indicator lamps; the data processing subsystem is used for generating queue numbers of multiple queues of vehicles to be loaded, sequence numbers in each queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded; the logic control subsystem is used for receiving queue numbers of a plurality of queues of vehicles to be loaded, sequence numbers in each queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded; the terminal display subsystem is controlled to light the indicator lights corresponding to all parts on each picking line according to the vehicles to be assembled one by one in a queue; the colors of the indicator lamps adopted by two adjacent vehicles to be assembled are different. The circulating light picking system and method realize intelligent error prevention of part picking operation and improve intelligent manufacturing and quality level of enterprises.

Description

Part circulating light sorting system and method

Technical Field

The application relates to the technical field of automobile manufacturing, in particular to a part circulating light picking system and method.

Background

At present, industry 4.0 is the beginning of the new era of manufacturing bureau, and with the continuous expansion of the industry 4.0 concept, intelligent manufacturing is a development trend of the automobile manufacturing industry. The intellectualization is used as a high-level application of logistics automation and informatization, and is also the development direction of future logistics technology.

The logistics mode of the assembly process of a certain passenger car adopts an SPS (Set Parts Supply) assembly mode, because the Parts in the SPS area are nearly thousands, in the traditional mode, an operator does not have the assistance of an indication system, and only the indication of an operation indication list is used for part difference identification. The operator needs to identify the correct part from among a large number of part varieties.

However, in the traditional mode, the error proofing rate of the selected parts is low, the parts are mainly identified by manpower, and the matching mismatch leakage rate of the parts is high; the working hour waste of picking the parts is large, and the operator needs to consume working hours for printing, taking and pasting the operation instruction sheet; the cost of selecting parts is high, and more non-boarding auxiliary materials such as paper, adhesive tape, printers and the like are required to be consumed; the staff quality is greatly dependent, training is needed before the staff goes on duty, part difference information, placement positions and the like are recorded, the workload is large, and the efficiency is low.

Accordingly, there is a need for a more intelligent, accurate, and rapid way for guiding the worker to complete the picking of the parts.

Disclosure of Invention

Aiming at the defects in the prior art, the purpose of the application is to provide a part follow-up light picking system and method, so that intelligent error prevention of part picking operation is realized, and intelligent manufacturing and quality level of enterprises are improved.

In order to achieve the above purpose, the technical scheme adopted is as follows: the part circulating light picking system is arranged in the material warehouse and is connected with an external BOM part system and an MES production system, and comprises a plurality of picking lines, wherein each picking line works for a queue of vehicles to be loaded in a period of time; the vehicle waiting for loading comprises a plurality of vehicles which are of the same or different vehicle types and are arranged in sequence; the part circulation picking system comprises:

the terminal display subsystem comprises a plurality of indicator lamps, wherein the indicator lamps are arranged on a material rack for storing parts, each material rack stacks one part, and each material rack is provided with an indicator lamp capable of changing different colors;

the data processing subsystem is used for receiving the part types of the BOM part system, the number of various parts and the position information of the material rack where the various parts are located, the vehicle type of the MES production system, the number to be installed of each vehicle type and all part information required by each vehicle type, and generating a queue number of a plurality of queues of vehicles to be installed, a sequence number in each queue of vehicles to be installed and indicator lamp control signals corresponding to all parts of each vehicle to be installed;

the logic control subsystem is used for receiving the queue numbers of the multiple queues of vehicles to be loaded, the sequence numbers in each queue of vehicles to be loaded and the indicator lamp control signals corresponding to all parts of each vehicle to be loaded, and controlling the terminal display subsystem to light the indicator lamps corresponding to all parts on each picking line according to one queue and one vehicle to be loaded of the queue; the indicator lights corresponding to all parts of two adjacent vehicles to be installed adopt different colors.

On the basis of the technical scheme, the data processing subsystem comprises a basic data interface module and a basic data processing module;

the basic data interface module is used for receiving the part types of the BOM part system, the number of various parts, the position information of the material rack where the various parts are located, the vehicle type of the MES production system, the number to be installed of each vehicle type and all the part information required by each vehicle type;

the basic data processing module comprises a basic data analysis processing plate, a communication plate and a log module; the basic data analysis processing plate is used for generating queue numbers of multiple queues of vehicles to be loaded, sequence numbers of each queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded from the information received by the basic data interface module; the communication plate is used for transmitting signals generated by the basic data analysis processing plate to the outside; the log module is used for recording the signal transmission process of the basic data analysis processing plate and the communication plate.

On the basis of the technical scheme, the logic control subsystem comprises a PLC logic control module and an HMI human-computer interaction module;

the PLC logic control module comprises a basic data cache processing plate and an indicator lamp control plate; the basic data caching and processing plate is used for receiving sequence numbers of vehicles to be loaded transmitted by the communication plate and indicator lamp control signals corresponding to all parts of each vehicle to be loaded in a queue-by-queue mode; the indicator light control plate is used for controlling the terminal display subsystem to light indicator lights corresponding to all parts of the vehicles to be loaded one by one according to the sequence number of each queue of vehicles to be loaded and the indicator light control signals corresponding to all parts of each vehicle to be loaded;

the HMI human-computer interaction module comprises a positioning plate and a display plate; the positioning plate is used for positioning and matching the sorting line and the queue number of the vehicle to be loaded; the display plate is used for displaying the picked vehicles to be loaded, the non-picked vehicles to be loaded and the picked parts and the non-picked parts of the current vehicles to be loaded of each picking line;

the light-following sorting system further comprises a data management module, wherein the data management module is used for presetting the number of the indicator lamp on each part corresponding to the material rack, and the indicator lamp number of each part corresponding to the material rack corresponds to the part number one by one.

On the basis of the technical scheme, the circulating light picking system further comprises an AGV dispatching linkage module; the AGV dispatching linkage module is connected with an external AGV system and is used for controlling a material trolley of the AGV system to gradually travel along a part to be selected.

The application also discloses a circulating light picking method based on the circulating light picking system, wherein the circulating light picking method of the circulating light picking system for any vehicle to be loaded in any queue on any picking line comprises the following steps:

s1: the data processing subsystem generates sequence numbers in the vehicles to be assembled of the team and indicator lamp control signals corresponding to all parts of each vehicle to be assembled according to information provided by the BOM part system and the MES production system, and transmits the sequence numbers and indicator lamp control signals to the logic control subsystem;

s2: the logic control subsystem controls the terminal display subsystem to light the indicator lamps corresponding to all parts of the vehicle to be installed one by one according to the signals transmitted by the data processing subsystem, and guides an operator to pick the parts; and the color of the indicator lamp adopted by all parts of the previous vehicle to be assembled is different from that of the indicator lamp adopted by all parts of the next vehicle to be assembled.

the step S1 includes:

the basic data interface module receives signals of a BOM part system and an MES production system; the basic data processing module generates a sequence number in a queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded according to external information, and transmits the sequence number and the indicator lamp control signals to the outside;

the logic control subsystem comprises a PLC logic control module and an HMI human-computer interaction module, and the step S2 comprises the following steps:

s20: the PLC logic control module receives the internal sequence number of the vehicles to be loaded and the indicator lamp control signals corresponding to all parts of each vehicle to be loaded; the HMI human-computer interaction module confirms whether the 6 positions after the VIN code of the first trolley of the fleet of vehicles to be loaded currently are matched with the current picking line according to the preset matching relation between the fleet and the picking line, if so, the next step is carried out;

s21: the PLC logic control module controls the terminal display subsystem to light the indicator lamps corresponding to all parts of the vehicle to be installed one by one, and guides an operator to pick the parts; meanwhile, the HMI human-computer interaction module displays the current vehicle to be picked, the current vehicle to be picked and the picked parts and the non-picked parts of the current vehicle to be picked until the picking of all parts of all vehicles to be picked of the team is completed.

On the basis of the above technical solution, the step S21 includes the following steps:

s210: the PLC logic control module controls the terminal display subsystem to light an indicator lamp corresponding to all parts of the vehicle to be installed;

s211: the parts are selected one by one, and each time a part is selected, the PLC logic control module controls the part to be turned off corresponding to an indicator light on the material rack;

s212: the PLC logic control module judges whether all the indicator lamps are extinguished; if yes, selecting the parts of the next vehicle to be loaded according to the serial numbers of the vehicles to be loaded, replacing all indicator lights with one color, and returning to S210; if not, returning to S211; until all the parts of the vehicle to be loaded are picked.

On the basis of the technical scheme, the logic control subsystem further comprises an AGV scheduling linkage module; the AGV scheduling linkage module is connected with an external AGV system;

step S211 also comprises the step that the PLC logic control module controls the material trolleys of the AGV system to run one by one according to the lighted indicator lights through the AGV dispatching linkage module;

in step S12, if yes, the PLC logic control module controls the material trolley to return to the initial position through the AGV scheduling linkage module; if not, the PLC logic control module controls the material trolley to go to the side of the material rack where the next part is located through the AGV scheduling linkage module.

On the basis of the technical scheme, the circulating light picking system further comprises a data management platform; the data management module is used for presetting the numbers of the indicator lights on the corresponding material racks of the parts, and the indicator light numbers of the corresponding material racks of each part correspond to the part numbers one by one;

the parts are divided into a conventional part of a vehicle body, a general part of the vehicle body and a vehicle door part;

before step S1, the method further includes the step of numbering the parts:

s100: the data management platform establishes a conventional part library of the vehicle body, a general part library of the vehicle body and a vehicle door part library;

s101: identifying parts in the material warehouse, and judging that each part belongs to a conventional part of a vehicle body, a general part of the vehicle body or a vehicle door part respectively;

s102: if a part is identified to belong to the conventional part of the vehicle body, the original part number of the part is added into a conventional part library of the vehicle body, and the corresponding indicator lamp number of the part is set as the original part number;

if a part is identified to belong to the general part of the vehicle body, the original part number of the part is added into a general part library of the vehicle body, and the corresponding indicator lamp number of the part is set as the original part number plus a vehicle type code;

if a part is identified as belonging to the door part, the original part number is added into the door part library, and suffixes LF, LR, RF and RR are added after corresponding indicator lamp numbers according to the left front, left rear, right front and right rear.

On the basis of the above technical solution, the step S211 includes:

s2110, a PLC logic control module judges whether a part to be selected is a vehicle door part or a vehicle body general part; if not, the indicator lamp with the original part number is lightened; if yes, go to S2111;

s2111: the PLC logic control module judges whether the part to be selected is a general part of the vehicle body or not; if yes, an indicator lamp of the original part number plus the vehicle type code is lightened; if not, the indicator lamp of the original part number added with the suffix of LF, LR, RF or RR is lighted.

The beneficial effects that technical scheme that this application provided brought include:

the circulating light picking system can simultaneously control a plurality of picking lines to work independently, and on each picking line, the picking work of required parts is carried out according to one-by-one queue and one-by-one vehicle to be loaded. And (5) each time, the indicator lamps corresponding to all parts required by the current vehicle to be installed are lightened, and an operator is guided to conduct the part picking work. After all parts of a vehicle to be assembled are picked, part picking work of the next vehicle is carried out, and all indicator lights change another color to guide workers to carry out circulating light picking, so that the production cost of enterprises is reduced, the intelligent level of logistics is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a diagram of a picking system architecture provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of functional modules of a picking system provided by an embodiment of the present application;

FIG. 3 is a workflow diagram of a picking system provided by an embodiment of the present application;

FIG. 4 is a flow chart of the operation of the indicator lights for common parts in the picking system provided in an embodiment of the present application;

FIG. 5 is a schematic view of an indicator light for a door of a picking system according to an embodiment of the present disclosure;

fig. 6 is a configuration diagram of a high-low handle in a picking system according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, the present application discloses an embodiment of a part light-circulating picking system, which is arranged in a material warehouse and is mainly used for guiding workers to pick parts without errors when vehicles are assembled. The round-robin picking system is connected to an external BOM (Bill of materials) parts system and MES (manufacturing execution system ) production system. The BOM part system contains the type of part, the number of various parts, and the location of the various parts on the work or material rest. The MES production system comprises vehicle types, the quantity to be installed of each vehicle type and all pieces of part information required by each vehicle type.

The light-circulating picking system comprises a plurality of picking lines, and each picking line works for a queue of vehicles to be loaded in a period of time. The vehicle waiting for loading comprises a plurality of vehicles which are of the same or different vehicle types and are arranged in sequence. Specifically, a fleet of vehicles to be loaded refers to a plurality of vehicles of the same or different types to be produced in sequence (e.g., a fleet of vehicles to be loaded is a vehicle of type A, a vehicle of type B and a vehicle of type C, abbreviated as ABBC). The light-circulating picking system simultaneously controls a plurality of picking lines to pick a plurality of queues of vehicles to be loaded.

Illustrating: the existing vehicle to be loaded comprises 6 vehicles of A type, 9 vehicles of B type and 3 vehicles of C type; during processing, the vehicle is divided into 3 queues, the vehicles to be loaded in the first queue are sequentially AAAABB, the vehicles to be loaded in the second queue are sequentially AABBCC, and the vehicles to be loaded in the third queue are sequentially CBBBBB. Different queues of vehicles to be loaded can be picked by different picking lines.

The light-tracking picking system comprises a terminal display subsystem, a data processing subsystem and a logic control subsystem. The terminal display subsystem comprises a plurality of indicator lamps which are independently managed. The plurality of indicator lamps are arranged on the material racks for storing the parts, each material rack stacks one part, and each material rack is provided with an indicator lamp with changeable different colors. For example, the indicator light for all parts of the first vehicle to be mounted is red, and the indicator light for all parts of the first vehicle to be mounted is green.

The data processing subsystem is used for receiving the part types of the BOM part system, the number of various parts and the position information (namely the information of all parts in stock) of the material rack where the various parts are located, the vehicle type of the MES production system, the number to be installed of each vehicle type and all the part information required by each vehicle type, generating the queue numbers of the multiple queues of vehicles to be installed, the sequence numbers of the sequential installation sequence of each queue of vehicles to be installed and the control signals of the indicator lamps corresponding to all the parts of each vehicle to be installed.

The logic control subsystem receives queue numbers of multiple queues of vehicles to be loaded, sequence numbers of each queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded; the terminal display subsystem is controlled to light the indicator lights corresponding to all the parts on each picking line according to the vehicles to be assembled one by one in a queue and one by one, so as to guide an operator to pick the parts; the colors of the indicator lamps adopted by two adjacent vehicles to be assembled are different.

The circulating light picking system can simultaneously control a plurality of picking lines to work independently, and on each picking line, the picking work of required parts is carried out according to one-by-one queue and one-by-one vehicle to be loaded. And (5) each time, the indicator lamps corresponding to all parts required by the current vehicle to be installed are lightened, and an operator is guided to conduct the part picking work. When all the parts of one vehicle to be loaded are picked, part picking work of the next vehicle is carried out, and all the indicator lamps adopt another color to guide workers to pick in a circulating way; when all the parts of all the vehicles to be loaded in one queue are picked, the part picking work of the next queue is performed. The utility model provides a system is selected to follow-up light has reduced the manufacturing cost of enterprise, has promoted commodity circulation intelligence level, and the follow-up light of this application is selected the system and has thoroughly been eliminated the mismatch of part, has been missed and has been joined in marriage the phenomenon, has realized in the true sense that the assembly is assembled and is selected the operation and realize 100% intelligent mistake proofing, very big reduction manufacturing cost, has realized the intelligent mistake proofing of assembly workshop part, has reduced artificial influence, no longer relies on operation instruction list and staff's quality.

As shown in fig. 2, in one embodiment, the data processing subsystem includes a base data interface module and a base data processing module;

the basic data interface module is used for receiving the part types of the BOM part system, the number of various parts and the position information of the material rack where the various parts are located, the vehicle type of the MES production system, the number to be installed of each vehicle type and all the part information required by each vehicle type;

the basic data processing module comprises a basic data analysis processing plate, a communication plate and a log module; the basic data analysis processing plate is used for generating queue numbers of multiple queues of vehicles to be loaded, sequence numbers of each queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded according to the information received by the basic data interface module; the communication plate is used for transmitting the signals generated by the basic data analysis processing plate to the outside; the log module is used for recording the signal transmission process of the basic data analysis processing plate and the communication plate.

In one embodiment, the logic control subsystem comprises a PLC logic control module and an HMI human-machine interaction module;

the PLC logic control module comprises a basic data cache processing plate and an indicator lamp control plate; the basic data caching and processing plate is used for receiving the sequence numbers of the vehicles to be loaded transmitted by the communication plate and the indicator lamp control signals corresponding to all parts of each vehicle to be loaded; the indicator light control plate controls the terminal display subsystem to light indicator lights corresponding to all parts of the vehicles to be loaded one by one according to the sequence number in each queue of the vehicles to be loaded and the indicator light control signals corresponding to all parts of each vehicle to be loaded;

the HMI human-computer interaction module comprises a positioning plate and a display plate; the positioning plate is used for positioning and matching the sorting line and the queue information of the vehicle to be loaded; the display plate is used for displaying the picked vehicle to be picked, the non-picked vehicle to be picked and the picked parts and the non-picked parts of the current vehicle to be picked of each picking line.

In one embodiment, the circulating picking system further comprises a data management module, wherein the data management module is used for presetting the number of the indicator lights of each part corresponding to the material rack. It is worth to say that the indicator lamp number of each part corresponding to the material rack corresponds to the part number one by one. In particular, part numbers are known, and in material management, each part is specifically numbered.

When the corresponding relation between the indicator lamp number and the part number is preset, the corresponding indicator lamp can be lightened according to the number of the needed part, and an operator is guided to select the part. The data management module is used for making corresponding rules of the parts and the indicator lights.

In one embodiment, the round-robin picking system further includes an AGV dispatch linkage module; the AGV dispatching linkage module is connected with the external AGV system and is used for controlling the material trolley of the AGV system to gradually travel along the part to be selected. Specifically, basic data buffer processing plate in the PLC logic control module controls the material trolley of the AGV system through the AGV scheduling linkage module to gradually run along the part to be selected. This application has not only indicated all parts of waiting to select through the pilot lamp, still controls the synchronous traveling of the material dolly of AGV system, and the transportation of being convenient for has greatly improved and has selected efficiency, has improved conveying efficiency.

As shown in fig. 3, the present application further discloses a circulating light picking method based on the circulating light picking system, where the circulating light picking method for any vehicle to be loaded in any picking line by the circulating light picking system includes the following steps:

s1: the data processing subsystem generates a sequence number of the vehicles to be loaded in a queue of vehicles to be loaded and an indicator lamp control signal corresponding to all parts of each vehicle to be loaded according to the information provided by the BOM part system and the MES production system, and transmits the sequence number to the logic control subsystem;

s2: the logic control subsystem receives the sequence numbers of the vehicles to be loaded in the queue of vehicles to be loaded, which are transmitted by the data processing subsystem, and the indicator lamp control signals corresponding to all parts of each vehicle to be loaded, and controls the terminal display subsystem to light the indicator lamps corresponding to all parts of the vehicles to be loaded one by one, so as to guide an operator to pick the parts. The color of the indicator light adopted by all parts of the previous vehicle to be assembled is different from that of the indicator light adopted by all parts of the next vehicle to be assembled, so that operators can conveniently distinguish the two vehicles, and confusion is avoided when the parts are picked.

When all parts of one vehicle to be loaded are picked, the logic control subsystem controls all indicator lamps of the terminal display subsystem to change one color to light the indicator lamps corresponding to all parts of the next vehicle to be loaded; until all the parts of the vehicle to be loaded are picked up.

As shown in fig. 3, in one embodiment, the data processing subsystem includes a base data interface module and a base data processing module;

step S1 comprises:

the basic data interface module receives signals of a BOM part system and an MES production system; the basic data processing module generates a sequence number in a queue of vehicles to be loaded and indicator lamp control signals corresponding to all parts of each vehicle to be loaded according to external information, and transmits the signals to the outside.

s20: the PLC logic control module receives the internal sequence numbers of the vehicles to be loaded and the indicator lamp control signals corresponding to all parts of each vehicle to be loaded. A picking line picks for a fleet of vehicles to be loaded for a period of time. The HMI human-computer interaction module (action of a positioning plate) confirms whether the 6 positions after the VIN code of the first trolley of the fleet of vehicles to be loaded currently are positioned and matched with the current picking line according to the preset matching relation between the fleet and the picking line, if so, the next step is carried out; if not, the matching error of the motorcade and the picking line is indicated, and correction is needed. The positioning plate improves the accuracy of picking and prevents the cross error of picking. The matching relation between the motorcade and the sorting line is preset by the data management module.

S21: the PLC logic control module controls the terminal display subsystem to light the indicator lamps corresponding to all parts of the vehicle to be installed one by one, and guides an operator to pick the parts; meanwhile, the HMI human-computer interaction module (the function of the display plate) displays the current vehicle to be picked up, the current vehicle not to be picked up, and the picked up parts and the non-picked up parts of the current vehicle to be picked up.

As shown in fig. 3, in one embodiment, step S21 specifically further includes the following steps:

s210: the PLC logic control module controls the terminal display subsystem to light an indicator lamp corresponding to all parts of the vehicle to be installed, and all indicator lamps adopt the same color. Specifically, one of the stations begins picking in the order numbered within the fleet of vehicles to be loaded.

S211: the parts are selected one by one, and each time a part is selected, the PLC logic control module controls the part to be turned off corresponding to the indicator light on the material rack. In other embodiments, the operator may manually turn off the corresponding indicator light after each part has been picked.

According to the part light-following picking method, intelligent control is achieved, all parts of one vehicle to be loaded are picked, all indicator lamps automatically change one color, all parts of the next vehicle to be loaded are indicated, the picking method is flexible and efficient, and the picking efficiency is greatly improved.

Further, the logic control subsystem also comprises an AGV scheduling linkage module; the AGV scheduling linkage module is connected with an external AGV system;

step S211 further comprises the step that the PLC logic control module controls the material trolleys of the AGV system to run one by one according to the lighted indicator lights through the AGV dispatching linkage module. Specifically, the material trolley is driven to stop beside the material rack where one part is located, an operator finishes the picking work of the part, and the material trolley is automatically driven to stop beside the material rack where the next part is located, … …, until all the indicator lights of the to-be-loaded vehicle are extinguished.

In step S12, if yes, the PLC logic control module controls the material trolley to return to the initial position through the AGV dispatching linkage module, and part picking work of the next vehicle to be loaded is started; if not, the PLC logic control module controls the material trolley to go to the side of the material rack where the next part is located through the AGV scheduling linkage module.

In one embodiment, the round-robin picking system further comprises a data management platform; the data management module is used for presetting the indicator lamp numbers on the corresponding material racks of the parts, and the indicator lamp numbers of the corresponding material racks of each part correspond to the part numbers one by one.

As shown in fig. 4, the parts are classified into a vehicle body conventional part, a vehicle body general part, and a vehicle door part.

Before step S1, the method further includes the step of numbering the parts:

s100: establishing a conventional part library of a vehicle body, a general part library of the vehicle body and a vehicle door part library;

s102: if a part is identified to belong to the conventional part of the vehicle body, the original part number of the part is added into a conventional part library of the vehicle body, and the corresponding indicator lamp number of the part is set as an original part number;

if a part is identified to belong to the general part of the vehicle body, the original part number of the part is added into a general part library of the vehicle body, and the corresponding indicator lamp number of the part is set as 'original part number plus vehicle model code';

Steps S100, S101 and S102 are all completed with the data management module.

Specifically, in step S102, the parts are divided into three parts libraries according to the original part numbers; the follow-up searching through the original part number can conveniently and quickly know which part library any part belongs to. The door parts are divided into a left front door part, a left rear door part, a right front door part and a right front door part; the indicator lamp number corresponding to the left front door part is set to be "original part number +lf", the indicator lamp number corresponding to the left rear door part is set to be "original part number +lr", the indicator lamp number corresponding to the right front door part is set to be "original part number +rf", and the indicator lamp number corresponding to the left rear door part is set to be "original part number +rr".

As shown in fig. 5, specifically, the connectors such as screws and bolts do not perform the above classification.

Further, step S211 includes:

s2111: the PLC logic control module judges whether the part to be selected is a general part of the vehicle body or not; if yes, lighting an indicator lamp of 'original part number plus vehicle type code'; if not, the indicator lamp of the original part number added with the suffix of LF, LR, RF or RR is lighted. The indicator lamp corresponding to the number "original part number +LF" is lighted for the left front door part, the indicator lamp corresponding to the number "original part number +LR" is lighted for the left rear door part, the indicator lamp corresponding to the number "original part number +RF" is lighted for the right front door part, and the indicator lamp corresponding to the number "original part number +RR" is lighted for the left rear door part.

Preferably, the color of the indicator light corresponding to the door part is different from the color of the indicator light corresponding to the rest of the parts.

As shown in fig. 6, the door handle is a special door part, which is divided into a high-low profile difference, i.e., a profile of the high-low profile part of the door handle is intelligently recognized. The door handles are divided into two parts of high fit and low fit, wherein the right front door handle has two types of high fit and low fit. If the number of high-fit parts is 1, only the LF door handle is lit (only the left front door handle is high-fit), and if the number of high-fit parts is 2, the LF and RF door handles are lit (the left front door handle and the right front door handle are high-fit). The PLC logic control module can be used for rapidly selecting high-configuration and low-configuration door handles according to requirements.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a part circulation light system of selecting, its setting is in the material warehouse to link to each other with outside BOM part system and MES production system, its characterized in that:

the light-circulating picking system comprises a plurality of picking lines, wherein each picking line works for a queue of vehicles to be loaded in a period of time; the vehicle waiting for loading comprises a plurality of vehicles which are of the same or different vehicle types and are arranged in sequence; the part circulation picking system comprises:

the logic control subsystem is used for receiving the queue numbers of the multiple queues of vehicles to be loaded, the sequence numbers in each queue of vehicles to be loaded and the indicator lamp control signals corresponding to all parts of each vehicle to be loaded, and controlling the terminal display subsystem to light the indicator lamps corresponding to all parts on each picking line according to one queue and one vehicle to be loaded of the queue; the indicator lights corresponding to all parts of two adjacent vehicles to be installed adopt different colors;

the data processing subsystem comprises a basic data interface module and a basic data processing module;

2. A part tracking picking system as defined in claim 1, wherein: the logic control subsystem comprises a PLC logic control module and an HMI human-machine interaction module;

3. A part tracking picking system as defined in claim 1, wherein: the circulating light picking system further comprises an AGV dispatching linkage module; the AGV dispatching linkage module is connected with an external AGV system and is used for controlling a material trolley of the AGV system to gradually travel along a part to be selected.

4. A circulating light picking method based on the circulating light picking system as claimed in claim 1, characterized in that the circulating light picking system comprises the following steps for any queue of vehicles to be loaded in any picking line:

5. The circulating light picking method of claim 4, wherein:

the step S1 includes:

6. The circulating light picking method as claimed in claim 5, wherein the step S21 comprises the steps of:

7. The circulating light picking method of claim 6, wherein: the logic control subsystem further comprises an AGV scheduling linkage module; the AGV scheduling linkage module is connected with an external AGV system;

8. The circulating light picking method of claim 5, wherein:

the circulating light picking system also comprises a data management platform; the data management module is used for presetting the numbers of the indicator lights on the corresponding material racks of the parts, and the indicator light numbers of the corresponding material racks of each part correspond to the part numbers one by one;

before step S1, the method further includes the step of numbering the parts:

9. The circulating light picking method of claim 8, wherein the step S211 comprises: