CN116198946A - Assembly type workshop roller way scheduling method - Google Patents
Assembly type workshop roller way scheduling method Download PDFInfo
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- CN116198946A CN116198946A CN202310375601.XA CN202310375601A CN116198946A CN 116198946 A CN116198946 A CN 116198946A CN 202310375601 A CN202310375601 A CN 202310375601A CN 116198946 A CN116198946 A CN 116198946A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/046—RFID
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses an assembly type workshop roller way scheduling method, and belongs to the field of workshop scheduling. Aiming at the problems of low scheduling efficiency and poor precision in the prior art, the invention provides an assembly type workshop roller way scheduling method, which comprises the following steps: judging whether the next section of roller way of the current roller way is full of products after the current roller way detects the products; if the roller is not fully filled, conveying the product of the current roller to the next roller; if the scheduling is full, the scheduling method is judged again, and different scheduling modes are carried out according to the result after the judgment is carried out again. The invention adopts a double judgment mode to determine whether the roller way reaches a threshold value for the next section of roller way, thereby not only ensuring that products orderly pass through the roller way, but also solving the problem that a system cannot be scheduled due to the fact that the roller way is stored fully by mistake caused by faults of other detection equipment such as photoelectricity and the like, ensuring the stable operation of the system to the maximum extent and ensuring that the products are transported to a destination more safely and efficiently; the whole method is simple and convenient to operate, and high in working efficiency and safety.
Description
Technical Field
The invention belongs to the technical field of workshop scheduling, and particularly relates to an assembly type workshop roller way scheduling method.
Background
The processing-assembling workshop comprises two working procedures of processing and assembling, and after the product passes through the working procedures, the product needs to enter the assembling working procedures for assembling according to the product alignment requirement and the certain sequence requirement of the assembling working procedure. The processing procedure comprises a plurality of parallel devices, and each device has a plurality of processing capacities of products; the assembly process also includes a plurality of parallel devices, each device also having the capability of assembling a plurality of products. Aiming at complete management and planning production of assembly procedures in a processing-assembly workshop, more researches and practices exist, so that the fine management of production is realized, and the utilization rate of equipment is improved. In a complex roller way construction network, the traditional simple scheduling method has the problem that products are likely to collide and the problem of low efficiency, and cannot meet the requirements of actual production.
Corresponding improvements are made to the problems, such as China patent application No. CN202210494163.4, published on day 2022, 7 months and 29 days, and the patent discloses a billet scheduling method and a billet scheduling system, comprising: the method comprises the steps that a casting shop performs single continuous casting of billets, and a conveying roller way receives the billets of the casting shop and sends the billets to a steel rolling shop; when the number of the billets received by the steel rolling workshop reaches a maximum threshold value, the conveying roller way sends the rest billets to an automatic slow cooling pit system, and the automatic slow cooling pit system receives the billets and keeps the temperature of the billets; the automatic slow cooling pit system returns the steel billets stored in the automatic slow cooling pit system to the conveying roller way according to a preset instruction, and the conveying roller way inputs the steel billets into the steel rolling workshop. The disadvantage of this patent is that: the scheduling logic is relatively simple, and misjudgment or misjudgment is easy to occur.
For another example, chinese patent application number CN202111112791.3, publication date is 2021, 12 months and 24 days, and the patent discloses a method for dispatching red-fed billets, which comprises: the red conveying speed of the steelmaking direct conveying equipment reaches a set threshold value, and the steelmaking direct conveying roller way red conveying billets; when the indirect fault exists in the steelmaking direct-conveying roller way, and the red conveying speed is smaller than a set threshold value, acquiring the time for predicting the indirect fault, and calculating the backlog of the red-conveying steel billets; the transportation capacity of the flat trolley in the period of indirect fault treatment and the storage capacity of the heat preservation pit are evaluated, and the flat trolley or the flat trolley and the heat preservation pit are selected to be transported or transferred together; when the steel-making production workshop normally produces billets, the steel rolling production workshop has local faults or is not produced, and the billets are transferred to other steel rolling production workshops through the heat preservation pits. The disadvantage of this patent is that: although it can better cope with various emergency situations, the overall efficiency is low.
Disclosure of Invention
1. Problems to be solved
Aiming at the problems of low scheduling efficiency and poor precision in the prior art, the invention provides an assembly type workshop roller way scheduling method. According to the invention, whether the roller way reaches the threshold value is determined by adopting a double judgment mode for the next section of roller way, so that not only can products be ensured to orderly pass through the roller way, but also the problem that a system cannot be scheduled due to the fact that the roller way is mistakenly stored and full caused by faults of other detection equipment such as photoelectricity and the like can be solved, the stable operation of the system is ensured to the greatest extent, and the products are more safely and efficiently conveyed to a destination; the whole method is simple and convenient to operate, and high in working efficiency and safety.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
An assembly type workshop roller way scheduling method comprises the following steps:
s1: judging whether the next section of roller way of the current roller way is full of products after the current roller way detects the products;
s2: if the next section of roller way is not fully filled with the product, conveying the product of the current roller way to the next section of roller way, and updating the product position of the current roller way to the next section of roller way;
s3: if the next section of roller way is full of products, verifying whether the next section of roller way is on the next section of roller way one by one;
s4: if the next section of roller way is fully filled after the products are verified one by one, the current roller way continuously waits for the products;
s5: and if the next section of roller way is not fully filled after the products of the next section of roller way are verified one by one, conveying the products of the current roller way to the next section of roller way, and updating the products of the current roller way to the next section of roller way.
Furthermore, in the step S1, the RFID sensing device is used to detect the product, and meanwhile, the RFID sensing device is disposed at the end of the current roller way, which is close to the next roller way, and is located at the middle position of the end.
Furthermore, the current roller way is also provided with an identification sensor, a position sensor and a speed sensor, wherein the identification sensor is used for identifying product information of a product, the position sensor is used for detecting the position of the product on the current roller way, and the speed sensor is used for detecting the speed of the product; the sensor is electrically connected with a driving device for controlling the roller way.
Furthermore, an alarm device is further arranged on the current roller way and is respectively and electrically connected with the identification sensor, the position sensor and the speed sensor.
Further, the verifying the next roller way in the step S3 includes: verifying whether the position update of the next section of roller way exists in the product and/or verifying whether the conveying task of the next section of roller way is finished in the product; and if false judgment exists after the result is verified, rejecting the false judgment product information from the roller way.
Further, when the product of the next section of roller way is not fully filled, the position of the product of the current roller way is updated to the tail end of the next section of roller way.
Furthermore, the indicator lamp is arranged on the next section of roller way, the indicator lamp is in a bright state after the product of the next section of roller way is fully filled, and the indicator lamp is in a non-bright state when the product of the next section of roller way is not fully filled.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, whether the next section of roller bed to be conveyed is full of products is judged, so that production accidents caused by the fact that the storage quantity of the products on one section of roller bed exceeds the threshold value of the roller bed are avoided; meanwhile, whether the roller way reaches a threshold value is determined by adopting a double judgment mode for the next section of roller way, so that not only can products be ensured to orderly pass through the roller way, but also the problem that a system cannot be scheduled due to the fact that the roller way is stored fully by mistake caused by faults of other detection equipment such as photoelectricity and the like can be solved, the stable operation of the system is ensured to the greatest extent, and the products are conveyed to a destination more safely and efficiently so as to meet the production requirement of factories; the whole method is simple and convenient to operate and stable to operate;
(2) According to the invention, the RFID sensing equipment is used for sensing the products in the process, so that the real-time update of data can be realized, the working efficiency and the safety are guaranteed to a higher degree, and the RFID sensing equipment is arranged at the middle position of the end part of the current roller way, which is close to the next roller way, so that the products in the process can be conveniently and accurately sensed, and the condition of missing detection is avoided; meanwhile, the roller way is also provided with a plurality of sensors corresponding to different detection functions, so that the product can be monitored in all aspects, and the product can be electrically connected with the alarm device and the driving device, so that the occurrence and remedy of the accident can be known in time, and the safety and timeliness of the whole process are improved;
(3) The invention checks the roller way which is full of the product and judges from two aspects, namely whether the position of the product is updated or not, and whether the conveying task of the product is finished or not; the method has the advantages that consideration is comprehensive, misjudgment is avoided to the greatest extent, misjudgment product information is removed after misjudgment exists, and follow-up scheduling is convenient to be normal; and be provided with the pilot lamp on next one section roll table, the pilot lamp carries out different states according to the condition of difference and presents, is convenient for judge fast, improves and judges work efficiency, saves time and human cost.
Drawings
FIG. 1 is a schematic diagram of the distribution of a workshop roller table of the invention;
FIG. 2 is a schematic diagram of a workshop roller way underfilling scheduling distribution of the present invention;
FIG. 3 is a schematic diagram of a full schedule distribution of the shop floor of the present invention;
fig. 4 is a schematic overall flow chart of the present invention.
Detailed Description
The invention is further described below in connection with specific embodiments and the accompanying drawings.
Example 1
As shown in fig. 4, an assembly type workshop roller way scheduling method includes the following steps:
s1: judging whether the next section of roller way of the current roller way is full of products after the current roller way detects the products; specifically, in the embodiment, an RFID sensing device is used for detecting a product, and meanwhile, the RFID sensing device is arranged at the end part of the current roller way, which is close to the next roller way, and is positioned in the middle of the end part; because each product has a special label, the attribute of the product is stored in the label; the RFID principle is that non-contact data communication is carried out between a reader and a tag, so that the aim of identifying a target is fulfilled, the real-time update of data can be realized, the working efficiency and the safety are ensured to a higher degree, and the target identification is quicker and more accurate; meanwhile, the RFID sensing equipment is arranged at the middle part of the end part of the current roller way, which is close to the next roller way, so that the sensing of the product can be conveniently and accurately carried out, and the condition of missing detection is avoided;
further, in step S1, an identification sensor, a position sensor and a speed sensor are further disposed on the current roller way, the identification sensor is used for identifying product information of the product, the position sensor is used for detecting the position of the product on the current roller way, and the speed sensor is used for detecting the speed of the product; the sensor is electrically connected with a driving device of the control roller way; the sensors with different detection functions arranged on the current roller way can detect the products in a relatively comprehensive way, and when detecting that the products are abnormal, the driving device can control the start and stop of the roller way, so that the subsequent maintenance or replacement operation is convenient; the arrangement of a plurality of sensors can better monitor the whole flow, and further ensure that the product can be safely and smoothly conveyed; meanwhile, the current roller way is further provided with an alarm device which is respectively and electrically connected with the identification sensor, the position sensor and the speed sensor, the timeliness of the whole process is further improved by the aid of the alarm device, when the sensor detects abnormal or unexpected conditions, workers can be timely reminded of the occurrence of the unexpected conditions through the alarm device, timely remedy can be achieved, and the safety and timeliness of the whole process are improved;
s2: if the next section of roller way is not fully filled with the product, conveying the product of the current roller way to the next section of roller way, and updating the product position of the current roller way to the next section of roller way; specifically, the current roller way updates the position of the product to the tail end of the next roller way, so that accurate positioning is realized, and meanwhile, the information of the next roller way is convenient to update in time;
s3: if the next section of roller way is full of products, verifying whether the next section of roller way is on the next section of roller way one by one; the verification of the next roller way in the process comprises the following steps: verifying whether the position update of the next section of roller way exists in the product and/or verifying whether the conveying task of the next section of roller way is finished in the product; the position is judged to avoid the situation that a certain product is conveyed to the next roller way, but misjudgment is caused by the fact that the information that the product leaves is not detected; if false judgment exists after the result is verified, rejecting false judgment product information from the roller way; the method has the advantages that consideration is comprehensive, misjudgment is avoided to the greatest extent, misjudgment product information is removed after misjudgment exists, and follow-up scheduling is convenient to be normal;
s4: if the next section of roller way is fully filled after the products are verified one by one, the current roller way continuously waits for the products;
s5: if the next section of roller way is not fully filled after the products of the next section of roller way are verified one by one, the products of the current roller way are conveyed to the next section of roller way, the products of the current roller way are updated to the next section of roller way, and specifically, the products of the current roller way are updated to the tail end of the next section of roller way.
Because the products in the processing-assembling workshop are automatically distributed to the assembling procedure from the processing procedure, the products which can be stored in each roller way have a certain threshold value due to the limitation of mechanical size, and after the products exceed the threshold value, certain unsafe factors exist, and even production accidents occur; according to the invention, whether the next section of roller bed to be conveyed is fully filled with products is judged, so that production accidents caused by the fact that the storage quantity of the products on one section of roller bed exceeds the threshold value of the roller bed are avoided, meanwhile, whether the roller bed reaches the threshold value is determined by adopting a double judgment mode for the next section of roller bed, not only can the orderly passing of the products through the roller bed be ensured, but also the problem that a system cannot be scheduled due to the fact that the roller bed is fully stored by mistake caused by faults of other detection equipment such as photoelectricity can be solved, the stable operation of the system is ensured to the greatest extent, and the products are conveyed to a destination more safely and efficiently, so that the production requirement of factories is met; the whole method is simple and convenient to operate and stable in operation.
Example 2
Basically the same embodiment 1, in this embodiment, in order to further improve the efficiency of whole work, be provided with the pilot lamp on next section roll table, the pilot lamp is bright state when next section roll table's work in process is fully filled, and the pilot lamp is not bright state when next section roll table's work in process is not fully filled. The indicator lamp presents different states according to different conditions, so that whether the next roller way is easy to reach a threshold value (namely whether the roller way is fully filled with products) can be judged on site, the judging working efficiency is improved, and the time and labor cost are saved.
Example 3
For further facilitating the understanding of the present application, specific examples will be given in this embodiment as follows: FIG. 1 shows a typical process-assembly plant in which SL-1, SL-2, SL-3 are 3 parallel process tools, each having multiple in-process capabilities; JG-1, JG-2 and JG-3 are 3 parallel assembling devices, and each device has the assembling capability of a plurality of products. The rectangular blocks numbered 1-19 in fig. 1 represent 19 sections of roller tables, each section of roller table is provided with an independently controllable power motor and has bidirectional conveying capability, and each section of roller table can simultaneously convey only one product. The production information, the alignment constraint and the sequence constraint related to each product in the assembly process production can be managed. The 2 work orders were constructed as follows:
(WorkID-1,Roller-16,JG-2,Product-1);
(WorkID-2,Roller-16,JG-2,Product-2);
taking a work ID-2 of a work order as an example for explanation, a 1 st attribute value work ID-2 represents the work order ID, a 2 nd attribute value represents that work orders required by the work order all need to be conveyed to a Roller-16, a 3 rd attribute value represents that the work order is assembled on a device JG-2, a 4 th attribute value represents that the Product name of the assembled work order is Product-2, and Roller paths sequentially passed by the work order conveying are respectively: 2. and 7, 14, 15 and 16 roller ways. 7 delivery sheets are constructed for the 2 sheets described above:
(SendID-1,WIP-1,WorkID-1,Roller-16,SL-2,Roller-15);
(SendID-2,WIP-1,WorkID-1,Roller-16,SL-2,Roller-15);
(SendID-3,WIP-1,WorkID-1,Roller-16,SL-2,Roller-15);
(SendID-4,WIP-1,WorkID-1,Roller-16,SL-2,Roller-15);
(SendID-5,WIP-1,WorkID-1,Roller-16,SL-2,Roller-15);
(SendID-6,WIP-1,WorkID-1,Roller-16,SL-2,Roller-15);
(SendID-7,WIP-2,WorkID-2,Roller-16,SL-2,Roller-14);
in the following, the second delivery list is taken as an example, the 1 st attribute value SendID-2 is a delivery list ID, the 2 nd attribute value WIP-1 is a product name, the 3 rd attribute value WorkID-1 is a work list number to which the delivery list SendID-2 belongs, the 4 th attribute value Roller-16 is a destination Roller way of the product, the 5 th attribute value SL-2 is a processing device of the product, and the 6 th attribute value Roller-15 is a current 15# Roller way of the product. In fig. 3 and 4, the 7 delivery sheets are represented by ABCDEFG, the delivery sheet SendID-1 corresponds to a, the SendID-7 corresponds to G, and the delivery sheets are placed on the roller table where they are currently located.
When all 6 products of the work ID-1 work order are conveyed to the 14# roller way and the 15# roller way shown in fig. 3, F passes through the RFID sensing equipment, and the products are updated to the 14# roller way. And when F sends a scheduling request, judging whether the next section of 15# pipeline is full, and if the roller way is not full, scheduling the 15# pipeline. When F leaves the current 14# roller way, the detection equipment detects a signal of leaving the roller way, and at the moment, F is cleared from the 14# roller way and updated to the tail of the 15# roller way.
1 product of the work ID-2 work order is conveyed to a 14# roller way, as shown in fig. 4, and G is firstly updated to the 14# roller way after RFID sensing and scheduling request, and then whether the next 15# roller way is full or not is judged. If the product is full at this time, it needs to be determined whether all the delivery orders A, B, C, D, E, F of the 15# roller tables full of the product are valid (according to whether the position of the delivery order is updated to other roller tables or the delivery task is completed), and if all the delivery orders are valid, G needs to continue waiting for the next scheduling.
If A in 6 delivery sheets of the 15# roller way, because the A leaves the 15# roller way, the detection equipment does not detect the leaving signal of A for some reason, the A can be caused to stay on the 15# roller way, when the G request is made, the 15# roller way is false full, the A is removed from the 15# roller way according to the strategy, and then the G is continued to schedule the next section of roller way.
The assembly type workshop roller way scheduling method can not only ensure that products pass through the roller ways orderly, but also solve the problem that a system cannot be scheduled due to the fact that the roller ways are stored fully by mistake caused by faults of other detection equipment such as photoelectricity and the like, and ensure the stable operation of the system to the greatest extent.
The examples of the present invention are merely for describing the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and those skilled in the art should make various changes and modifications to the technical solution of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A scheduling method of assembly type workshop roller ways is characterized by comprising the following steps of: the method comprises the following steps:
s1: judging whether the next section of roller way of the current roller way is full of products after the current roller way detects the products;
s2: if the next section of roller way is not fully filled with the product, conveying the product of the current roller way to the next section of roller way, and updating the product position of the current roller way to the next section of roller way;
s3: if the next section of roller way is full of products, verifying whether the next section of roller way is on the next section of roller way one by one;
s4: if the next section of roller way is fully filled after the products are verified one by one, the current roller way continuously waits for the products;
s5: and if the next section of roller way is not fully filled after the products of the next section of roller way are verified one by one, conveying the products of the current roller way to the next section of roller way, and updating the products of the current roller way to the next section of roller way.
2. The assembly type workshop roller way scheduling method according to claim 1, wherein the method comprises the following steps of: in the step S1, RFID sensing equipment is adopted to detect products, and meanwhile, the RFID sensing equipment is arranged at the end part of the current roller way, which is close to the next roller way, and is positioned in the middle of the end part.
3. The assembly type workshop roller way scheduling method according to claim 2, wherein: the current roller way is also provided with an identification sensor, a position sensor and a speed sensor, wherein the identification sensor is used for identifying product information of a product, the position sensor is used for detecting the position of the product on the current roller way, and the speed sensor is used for detecting the speed of the product; the sensor is electrically connected with a driving device for controlling the roller way.
4. A method of assembly shop roller bed scheduling according to claim 3, wherein: the current roller way is also provided with an alarm device which is respectively and electrically connected with the identification sensor, the position sensor and the speed sensor.
5. The assembly type workshop roller way scheduling method according to claim 1, wherein the method comprises the following steps of: in the step S3, verifying the next section of roller way in the product includes: verifying whether the position update of the next section of roller way exists in the product and/or verifying whether the conveying task of the next section of roller way is finished in the product; and if false judgment exists after the result is verified, rejecting the false judgment product information from the roller way.
6. The assembly type workshop roller way scheduling method according to claim 1, wherein the method comprises the following steps of: and when the product of the next section of roller way is not fully filled, the position of the product of the current roller way is updated to the tail end of the next section of roller way.
7. The assembly type workshop roller way scheduling method according to claim 1, wherein the method comprises the following steps of: the indicator lamp is arranged on the next section of roller way, the indicator lamp is in a bright state after the product of the next section of roller way is fully filled, and the indicator lamp is in a non-bright state when the product of the next section of roller way is not fully filled.
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