JP5215574B2 - Production line management system - Google Patents

Description

  The present invention relates to a production line management system that manages a plurality of production lines.

  FIG. 6 shows a production line management system according to the prior art. The production line management system includes a plurality of facilities 101, 102, 103, and 104 arranged in a line, and a production line management means 105 that manages the operating state of the plurality of facilities 101, 102, 103, and 104. It is a provided configuration. The equipment 101 located on the upstream side becomes the transported goods input equipment 101 and the transported goods are input, and the downstream end equipment 104 becomes the transported goods take-out equipment 104 and the transported goods are taken out.

  In the figure, reference numeral 106 denotes a production start switch provided in the vicinity of the conveyed product input equipment 101. In the figure, reference numeral 107 denotes a production end switch provided in the vicinity of the conveyed product take-out equipment 104.

  In the facilities 101, 102, 103, and 104, the transported product input from the transported product input facility 101 is transported in the direction indicated by the arrow between the transported product input facility 101 and the transported product take-out facility 104. Predetermined processing or assembly processing is performed. In addition, the conveyed product input facility 101 is provided with a conveyed product input number count switch 108, and the conveyed product extraction facility 104 is provided with a conveyed product extraction number count switch 109.

  The production line management means 105 has a memory 110, which stores setting information unique to the production line and a program for production line management.

  The setting information unique to the production line includes the product number of the transported product, the number of transported products counted by the transported product input count switch 108, the number of transported products counted by the transported product take-out count switch 109, the transport Applicable product number. The product number of the conveyed product is input by a barcode or the like.

  Further, as the production line management program, the number of conveyed products counted by the conveyed product ejection number count switch 109 is subtracted from the number of conveyed products counted by the conveyed product input number count switch 108. To calculate the machining time by calculating the difference between the time when the last machining was completed and the time when the last machining was completed and the program for counting the number of defective products removed in the middle of the production line This corresponds to a program, a program for managing the date of work, line start time, line stop time, and the like.

  However, the prior art has the following problems. That is, if the production line management unit 5 fails, the unique setting information of the production line stored in the memory 10 of the production line management unit 5 disappears, and the production line management program disappears. .

  In such a case, the failed production line management unit 105 is replaced with a new production line management unit 105, while the production manager in charge uses a notebook personal computer as a backup device of the production line management unit 105 as a new production line. Carrying it to the management means 5 and connecting to the production line management means 105, transferring the setting information unique to the production line and the program for production line management from the personal computer to the production line management means 105, etc. The initial setting was reset. When performing such work, there is a problem that if the number of production line management means 105 that have failed is large, the worker needs a great deal of labor, which is a heavy burden on the worker.

  Even when a production line is newly established, the production manager is required to make initial settings for the production line management means 5 for each production line, which places a heavy burden on the production manager. Furthermore, even if the production line is moved and a different product is handled on the production line, the production line management means 105 must be reset.

  Therefore, the present invention has been made in view of the problems of the background art described above, and its purpose is to centrally manage information on a plurality of production lines by storing information on a plurality of production lines in a database server. Thus, setting is made for each production line management means by enabling information to be downloaded from the database server to the production line management means as required by the production line management means provided for each production line. It is to provide a production line management system capable of simplifying the above-mentioned work.

The present invention is a production line management system provided in a plurality of production lines,
Production line management provided for each production line, storing unique setting information for each production line and each production line management program, and managing the operation status of each production line based on the production line management program Means,
A database server that stores the setting information unique to the production line and the production line management program collectively,
The production line management means uploads Rutotomoni an input means for inputting a code to which the production line management means for specifying a production line for managing, production results information of the production line to the database server,
The database server specific configuration information of the production line, prior SL production line program for management, and said actual production information uploaded by the production line management means, a table for storing in association with said code Prepared,
When the cord from the entering force means is input, it said as the contents of the initial setting of the production line management means, specific configuration information of the production line corresponding to the codes input from the input means, and the production line management Is downloaded from the database server to the management means, and the production line management means is initialized .

  When the production line management means is out of order, by inputting a code for identifying the production line in which the production line management means is installed from the input means, setting information or a program specific to the production line from the database server Can be downloaded.

  FIG. 1 shows a production line management system according to the present invention. The production line management system is a system for managing a plurality of production lines, and the drawing shows a case where three production lines are managed.

  In each production line, a plurality of facilities 1, 2, 3, 4 are arranged in a line, and the production line management means 5 for managing the operating state of the plurality of facilities 1, 2, 3, 4 The configuration is provided for each line.

  The equipment 1 located on the upstream side becomes the transported goods input equipment 1 and the transported goods are input, and the equipment 4 at the downstream end becomes the transported goods take-out equipment 4 and the transported goods are taken out. A production start switch 6 is provided in the vicinity of the conveyed product input facility 1. Further, a production end switch 7 is provided in the vicinity of the conveyed product take-out equipment 4.

  While the transported product input from the transported product input facility 1 is transported between the transported product input facility 1 and the transported product take-out facility 4, predetermined processing or Assembly processing is performed. The transported product input facility 1 is provided with a transported product input number count switch 8, and the transported product take-out facility 4 is provided with a transported product take-out number count switch 9.

  Each production line management means 5 has a memory 10, which stores setting information unique to each production line and a program for managing each production line.

  Specific setting information of the production line includes a product number of a transported product, the number of transported products counted by the transported product input count switch 8, the number of transported products counted by the transported product take-out count switch 9, Corresponds to the part number of the transported product. The product number of the conveyed product is input by a barcode or the like.

  Further, as the production line management program, the number of conveyed products counted by the conveyed product ejection number count switch 9 is subtracted from the number of conveyed products counted by the conveyed product input number count switch 8. To calculate the machining time by calculating the difference between the time when the last machining was completed and the time when the last machining was completed and the program for counting the number of defective products removed in the middle of the production line A program, a program that manages the date of work, line start time, line stop time, etc., operation of the production start switch recognizes the start of the production line, and operation of the production end switch causes the production line to end Recognized programs are applicable.

  Each production line management means 5 provided for each production line has an input means 11 for inputting a code for specifying each production line.

  Each production line management means 5 is connected to the database server 12 by wire or wirelessly. By specifying each production line with the input means 11, it is possible to transmit / receive unique setting information regarding each production line and a production line management program between each production line management means 5 and the database server 12. . Further, the database server 12 is controlled by the time server 13 so that the time is set to an accurate time.

  The production line management means 5 and the input means 11 can be constituted by a personal computer or the like. In this case, the input means 11 can be constituted by a keyboard of a personal computer, and the input means 11 can also be constituted by a touch panel.

  As shown in FIG. 2, the database server 12 has a line-specific information table 14, and manages each production line, a code for identifying each production line, and each production line management program in association with each other. doing.

  Next, the operation will be described. First, before starting the production line, the person in charge of production sets the contents of the production plan / actual data table 15 as shown in FIG. 3 by operating the database server 12. In this case, the production plan / actual data table 15 stores the date, the planned number, the production order, the number of inputs, and the number of withdrawals associated with each line. Note that the database server 12 is controlled by the time server 13 and the current time is adjusted in advance. Further, the product number of the conveyed product conveyed in each production line is input by a barcode or the like, and stored in the table of the database server 12 in association with each line.

  Next, the worker activates the production line management means 5 and inputs a code for specifying each production line from the input means 11, whereby each production line management means 5 causes the production plan of the database server 12 to be The contents for each production line stored in the result data table 15 (shown in FIG. 3) are downloaded and stored in the memory 10. Thereafter, each production line management means 5 controls each production line based on a production line management program downloaded from the database server 12.

  Next, the operator operates the production start switch 6 shown in FIG. 1 to activate the production line, input the conveyed product from the conveyed product input facility 1, and take out the conveyed product from the conveyed product removal facility 4. The transported product is subjected to a predetermined process between the transported product input facility 1 and the transported product removal facility 4.

  The number of transported products input from the transported product input facility 1 is counted by the transported product input number count switch 8 and stored in the memory 10 of the production line management means 5, while being uploaded to the database server 12 and shown in FIG. It is stored in the production plan / result data table 15 shown. Further, the number of transported products taken out from the transported product take-out facility 4 is counted by the transported product take-out count switch 9 and stored in the memory 10 of the production line management means 5, while being uploaded to the database server 12 for production. It is stored in the plan / actual data table 15.

  Further, the number of defective products is obtained by subtracting the count value of the transported product take-out number count switch 9 from the count value of the transported product input number count switch 8, and is stored in the memory 10 of the production line management means 5. The data is uploaded to the database server 12 and stored in the production plan / result data table 15.

  When the production of the current model is completed at the facility 4, the operator operates the production end switch 7.

  Next, it is assumed that the production line management means 5 has failed. In this case, after stopping the production line, the operator installs a new production line management means 5 in the production line in place of the failed production line management means 5, and inputs a code for specifying the production line. , The new production line management means 5 downloads the production line-specific information specified as described above from the line-specific information table 14 (shown in FIG. 2) of the database server 12, and stores it in the memory. Save to 10.

  In the memory 10 of the new production line management means 5, the production plan information and the production line management program accumulated so far in the production plan / result data table 15 of the database server 12 are downloaded and stored. It will be.

  Thereafter, the production line is restarted to continue the processing of the conveyed product.

  As described above, the unique setting information for each production line and the program for managing each production line are collectively managed by the database server 12, so that the production line is input from the input unit 11 of the production line management unit 5. The production line management means can be downloaded to the production line management means 5 from the database server 12 by simply inputting the code for specifying the production line management information and the production line management program for each production line. When 5 is out of order and replaced with a new production line management means 5, the replacement work can be easily handled.

  In the above description, the production line management means 5 is replaced with the new production line management means 5. However, when the production line management means 5 is initially set when a production line is newly installed, By downloading the contents of the initial setting from the database server 12, the production line management means 5 can be easily initialized.

  Furthermore, even when the production line management unit 5 is re-initialized by moving the production line, the production line management unit 5 can be easily initialized by downloading the initial setting contents from the database server 12. Can do.

  FIG. 4 shows a second embodiment. The feature of the second embodiment is that a conveyance product input number count switch 8 is provided in one or a plurality of facilities at an arbitrary position on the upstream side of the production line. In FIG. 4, the case where the transported goods input number count switch 8 is provided in the two facilities 1 and 2 is shown. In the second embodiment having such a feature, the transported product can be input from any of the facilities 1 and 2 provided with the transported product input number count switch 8. Can be selected.

  FIG. 5 shows a third embodiment. The feature of the third embodiment is a power supply device of the memory 10 of the production line management means 5. In the third embodiment, the memory 10 includes a volatile memory M1 and a nonvolatile memory M2, and has a power backup function.

  A rectifier circuit 17 and a smoothing circuit 18 are connected to the commercial power supply 16, and a capacitor 19 and a volatile memory M1 are connected to the smoothing circuit 18 in parallel. In the figure, reference numeral 20 denotes a timer. The timer 20 has a current value supplied from the commercial power supply 16 when the current value supplied from the commercial power supply 16 to the rectifier circuit 17 becomes zero, that is, due to a lightning strike or the like. It starts when it reaches zero.

  The timer 20 activates the memory control means 21 when the current value supplied from the commercial power supply 16 to the rectifier circuit 17 is zero even after a predetermined time, for example, 10 seconds has elapsed since starting as described above. It is configured as follows. The memory control means 21 is configured to read the contents of the volatile memory M1 and write it to the nonvolatile memory M2, and the nonvolatile memory M2 is provided as a backup memory. Here, for example, a flash memory corresponds to the nonvolatile memory M2.

  In the third embodiment, when power is not supplied from the commercial power supply 16 due to a power failure or the like, the power stored in the capacitor 19 is supplied to the volatile memory M1.

  Next, when a predetermined time, for example, 10 seconds elapses after power is not supplied from the commercial power supply 16, the timer 20 activates the memory control means 21 to transfer the contents of the volatile memory M1 to the nonvolatile memory M2. To do.

  When the commercial power supply 16 is restored, the timer 20 that senses that power is being supplied from the commercial power supply 16 to the rectifier circuit 17 controls the memory control means 21 so that the contents of the nonvolatile memory 15 are stored in the volatile memory. 14 for transfer.

  In the third embodiment, the memory 10 can be effectively operated even when power is not supplied from the commercial power supply 16 due to a power failure or the like.

It is a block diagram of the present invention. (First embodiment) A line-specific information table is shown. (First embodiment) The production plan / actual data table is shown. (First embodiment) It is a block diagram of the present invention. (Second Embodiment) It is a block diagram which shows the power supply device of the memory of this invention. (Third embodiment) It is a figure which shows background art. (Background technology)

Explanation of symbols

1-4 Equipment 5 Production line management means 10 Memory 11 Input means 12 Database server 13 Time server 14 Line specific information table 15 Production plan / actual data table

Claims (4)

A production line management system provided in a plurality of production lines,
Production line management provided for each production line, storing unique setting information for each production line and each production line management program, and managing the operation status of each production line based on the production line management program Means,
A database server that stores the setting information unique to the production line and the production line management program collectively,
The production line management means uploads Rutotomoni an input means for inputting a code to which the production line management means for specifying a production line for managing, production results information of the production line to the database server,
The database server specific configuration information of the production line, prior SL production line program for management, and said actual production information uploaded by the production line management means, a table for storing in association with said code Prepared,
When the cord from the entering force means is input, it said as the contents of the initial setting of the production line management means, specific configuration information of the production line corresponding to the code inputted from the input means, and the production line management A production line management system in which an initial program is downloaded from the database server to the management means and the production line management means is initialized .   2. The production line management system according to claim 1, wherein a transport product input number count switch is installed in the equipment on the upstream side of the production line, and a transport product take-out number count switch is installed in the equipment on the downstream side. .   The production line management system according to claim 2, wherein a plurality of equipment at arbitrary positions on the upstream side of the production line is provided with a conveyed product input number count switch. The production line management means, wherein based on said conveying products turned count switch count value and the count value of the transfer article ejection count switch, as the actual production information, and obtains the number of defective products Item 4. The production line management system according to Item 2 or 3 .

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