JPH06337880A - Production management system - Google Patents

Abstract

PURPOSE:To re-issue an accurate work indication book based on results by automatically calculating the termination scheduled date of a subsequent process when a work is delayed from the work termination scheduled date of the work indication book. CONSTITUTION:When information of a receiving order number is inputted from a scanner 4b, the work termination scheduled date of a process No.1 is read from a receiving order master corresponding to the receiving order number, and it is compared with a present date. It is judged whether it follows the work indication book or not. When it does not follow the work indication book, information is given by a buzzer 15, and the difference of the number of process days between the work scheduled ate of the process No.1 of the receiving order master and the present date is calculated from a calendar master. Then, the work termination scheduled date obtained by delaying the number of the days of the difference is calculated from the calendar master as to the work termination scheduled date of the subsequent process from the difference of the number of the process days, which is calculated. Then, the receiving order master is reset and the work indication book is re-issued based on the receiving order master which is reset.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a production management system for issuing work instructions for managing the production amount, work schedule, etc. in the manufacture of articles.

[0002]

2. Description of the Related Art Generally, in a production management system, when production is started according to a production plan or the like (at the time of input), a work instruction sheet in which a production amount, a delivery date and the like are printed is issued.

[0003] In addition to the production amount of the product to be produced and the delivery date of delivering the product to the customer, the work instruction sheet describes the scheduled work completion date for each process of manufacturing the product, for example. The worker was to proceed with the work according to the scheduled end date of the work described in this work order.

However, in the actual production of articles, there are many cases where the scheduled work end date printed on the work instruction sheet at a certain process cannot be met in time due to, for example, a failure of the manufacturing equipment. The person in charge or the person in charge of production management calculated the scheduled end date of work after the process in consideration of the delay in the actual results, and manually corrected the work instruction sheet by the calculated scheduled end date of work.

[0005]

As described above, when the result of a certain process is delayed from the scheduled work completion date printed on the work instruction sheet, the worker or the person in charge of production management is In consideration of the delay in the results, it was necessary to calculate the scheduled work end date of the process after that process, and manually correct the work instruction sheet by the calculated scheduled work date.

Therefore, the worker or the person in charge of production control is
Since it is necessary to calculate a new scheduled work end date and correct the work instruction sheet by handwriting, there is a problem that this work is troublesome and an error may occur in the correction.

Therefore, according to the present invention, when the actual result is delayed from the scheduled work end date printed on the work instruction sheet, the scheduled work end date of the subsequent process is automatically calculated, and the accurate work based on the actual result is performed. It is an object of the present invention to provide a production management system capable of reissuing instructions.

[0008]

SUMMARY OF THE INVENTION According to the present invention, a manufacturing process information storage means for storing a manufacturing process necessary for manufacturing an article and a work for storing the number of working days per unit quantity of the article for each manufacturing process are stored. For each manufacturing process stored in the manufacturing process information storage unit based on the number-of-days storage unit, the operating-day information storage unit in which the operating-day information is stored, and the production amount of goods and the number of working days stored in the working-day number storage unit. Scheduled date setting means for calculating the required number of work days and setting the scheduled work end date of each manufacturing process from the working day information stored in the working day information storage means, and each manufacturing set by this scheduled date setting means. Issuing means for issuing a work order based on the scheduled work completion date of the process,
If the work end date input means for inputting the date information of the manufacturing process which has already been finished and the date information input by this work finish date input means are later than the scheduled work finish date, the work finish in each subsequent manufacturing process A scheduled date changing means for resetting the scheduled date and a reissuing means for reissuing the work instruction based on the scheduled work end date reset by the scheduled date changing means are provided.

[0009]

In the present invention having such a structure, each of the items stored in the manufacturing process information storage means is calculated by the scheduled date setting means from the production amount of the article and the number of working days per unit quantity stored in the working day storage means. The required number of work days is calculated for each manufacturing process, and the scheduled work end date of each manufacturing process is set from the working day information stored in the working day information storage means.

The work instruction is issued by the issuing means on the basis of the set work end dates of the respective manufacturing processes thus set.

Further, when the date information of the manufacturing process which has finished the work is inputted by the work finish date input means and this date information is delayed by the scheduled work finish date, the scheduled date changing means causes the subsequent manufacturing processes to be carried out. The scheduled work end date in is reset. Then, the work instruction sheet is reissued by the reissuing means based on the reset scheduled work end date.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing the construction of a production management system to which the present invention is applied. Reference numeral 1 is a host computer which receives order data and processes the order data. A main printer 1a as an issuing means is connected to the host computer 1, and the host computer 1 controls the main printer 1a,
Issue work orders issued before the start of product manufacturing.

The host computer 1 is a LAN (lo
cal area network) File server 3 via line 2
, And the n-th terminal 6, which is installed in each of the n manufacturing processes.

The file server 3 includes a part number master 3a shown in FIG. 2, a process order master 3b as a manufacturing process information storage unit shown in FIG. 3, a process master 3c as a working day storage unit shown in FIG. I showed some of them in
Each file of the calendar master 3d as a working day information storage means is stored in advance.

The part number master 3a stores a process order code and basic size information of the product for each part number (A, B, C, ...) Of the product, and the process order master 3b.
Is the process number of the manufacturing process required to manufacture the product for each process sequence code. Are stored in the order of the manufacturing process. In addition, the process master 3c has a process No. For each time, information on the number of work days required for the process of the product of the process name and unit quantity is stored. In the calendar master 3d, 0 is a holiday, 0.5 is a half-day operation, and 1 corresponds to the month / day information. The operation time information indicating that the operation is all day is stored.

Further, when the order data is input, the host computer 1 stores the order data in the file server 3 as shown in FIG.
The order reception master 3e is created as the scheduled date setting means shown in FIG. This order master 3e has an order No. , Part number,
The quantity, the company name of the customer, the delivery date, each process and the scheduled end date of the work, and the process number of the current process indicating the manufacturing process in which the work is not completed. Information such as is stored. It should be noted that FIG. 7 shows the order reception master 3e reset by the terminals such as the first terminal 4 and the second terminal 5 as described later.

The first terminal 4, the second terminal 5, ..., The n-th terminal 6 are respectively a first printer 4a and a first scanner 4b and a second printer 5a as work end date input means. And a second scanner 5b as a work end date input means, ... An nth printer 6a and an nth scanner 6b as a work finish date input means are connected,
Each terminal can reissue the work instruction sheet by each printer based on the data read by each scanner.

FIG. 8 shows a block diagram of a circuit configuration of a main part of the first terminal 4.

Reference numeral 11 denotes a CPU (ce
ntral processing unit). A ROM (read o) in which program data for processing performed by the CPU 11 is stored
nlymemory) 12, a RAM (random) in which areas of various memories used when the CPU 11 performs processing are formed.
An access memory) 13, a communication interface 14 connected to the LAN line 2, and an I / O (input / output) port 16 for outputting a control signal to a buzzer 15 are connected to the CPU 11 via a system bus 17, respectively. There is.

A keyboard interface 19 for controlling data transmission with the keyboard 18 and a display 20.
Display interface 2 that controls the transmission of data to and from
1, a first RS-232C interface 22 for controlling data transmission with the first printer 4a, and a second R for controlling data transmission with the first scanner 4b.
The S-232C interfaces 23 are connected to the CPU 11 via the system bus 17, respectively.

Although the first terminal 4 has been described here, the second terminal 5, ..., And the nth terminal 6 have completely the same circuit configuration, and therefore the description thereof is omitted. .

FIG. 9 shows a flow of the work instruction sheet reissue processing performed by the CPU 11 of the first terminal 4. The CPUs of other terminals after the second terminal 5 also perform the same processing as this work instruction sheet reissue processing.

First, from the scanner 4b to the second RS-23
Order No. read from the barcode printed on the work instruction sheet via the 2C interface 23. It becomes a standby state until the information of is input.

Order No. from the scanner 4b. When the information of No. Order master 3e corresponding to
To process No. The scheduled work end date of No. 1 is read, and this scheduled work finish date is compared with the current date data (check), and the current date is the process number. Process No. 1 depends on whether or not the scheduled work end date is before. It is determined whether the date and the date are according to the work instruction.

Here, the process No. If the date is in accordance with the work instruction sheet, the buzzer 15 notifies OK, and the process returns to the first step of this work instruction sheet reissue processing.

Further, the process No. If the date and the date are not according to the work instruction, the buzzer 15 notifies the NG, and the calendar master 3d sends the process No. of the order master 3e.
Difference in the number of process days between the scheduled work completion date of 1 and the current date (m
Day).

From the calculated difference in the number of process days (m days), the scheduled work end date of the subsequent manufacturing process, which is delayed by m days from the calendar master 3d, is calculated, and the order master 3e is re-selected. Set.

Based on the reset order master 3e, the work instruction sheet is reissued (reissue means), and the process returns to the first step of the work instruction sheet reissue processing.

In this embodiment having such a configuration, first, when the order data such as the part number, the production amount, and the delivery date is input to the host computer 1 based on the production plan or the like, it is included in the order data. Based on the existing part number data, the process order code is read from the part number master 3a, and the process order code is read from the process order master 3b using the process order code.
o. Is read.

This read process No. For each time, the process master 3c calculates the number of work days required in each process according to the production amount data of the order data, and the calendar master 3c
The work end date of each manufacturing process is calculated by d, and the order receiving master 3e shown in FIG. 6 is created.

Based on the created order master 3e, the main printer 1a issues the work instruction sheet shown in FIG. Immediately after this work order is issued, the process No. It is sent to the first manufacturing process and the manufacturing of the product is started.

However, for example, the process No. In the manufacturing process of No. 3, if a delay of two days occurs from the scheduled work end date described in the work instruction sheet, the process No. The NG is notified by the buzzer by reading the barcode of the work instruction sheet with the scanner at the terminal (not shown) installed in the manufacturing process of No. 4 and the process No. 4 is performed. The difference in the number of process days between the scheduled work completion date and the current date in 3 is calculated as 2 days (2.0) from the calendar master 3d, and the setting of the order receiving master 3e is changed as shown in FIG. The work order shown in is reissued.

That is, in the work instruction issued by the host computer 1, the process No. The scheduled work end date for No. 3 was 3/17, but the process No. When the scanner was read by the terminal installed in the manufacturing process of No. 4, it was 3/19. The difference in the number of process days at this time is that the calendar master 3d
It is calculated as 2 days from the following manufacturing process (process No. 4
... Process No. In 11), the scheduled work completion date is changed to a date delayed by 2 days by the calendar master 3d, and reset to the order receiving master 3e. Therefore, the process No. In the stocking of No. 11, the work instruction issued by the host computer 1 was 3/26, but in the calendar master 3d, it was 3/27 and 3/28.
Both have 0 operating hours, so if you delay 2 days (2.0) from 3/26, it will be 3/30.

As described above, according to this embodiment, the part number master 3a in which the process order code is stored for each part number corresponding to each product, and the process No. required for manufacturing for each process order code. Process order master 3b stored in the order of processes and each process No. A process master 3c that stores the number of work days required for a unit quantity of product in each manufacturing process, and a calendar master 3d that stores operating time information corresponding to date information.
Also, an order receiving master 3e for setting a scheduled work end date for each manufacturing process based on the order receiving data and a scanner for inputting the finished manufacturing process are provided, and work instructions are given based on the order receiving master 3e at the start of manufacturing. By issuing a certificate and reading the bar code of the issued work instruction with a scanner, you can enter the finished manufacturing process, and enter the current date entered by this scanner and the scheduled work completion date of the work instruction. By comparison, if the current date is later than the scheduled work end date, the difference in the number of process days is calculated, and the calendar master 3d calculates the scheduled work end date in the subsequent manufacturing process by the difference in the number of process days. Delayed order master 3e
Order change master 3e
By reissuing the work instruction sheet on the basis of the above, it is possible to automatically calculate a subsequent work completion date when the actual work is delayed from the scheduled work completion date printed on the work instruction sheet. Therefore, it is possible to reissue an accurate work instruction based on the results.

In this embodiment, the production management system has been described by using a plurality of terminals connected to the host computer via the LAN line, but the present invention is not limited to this, and the system is inexpensive, for example. Therefore, it is possible to provide only one printer as a printer server without providing a printer for each terminal, and it is also applicable to a simple production management system having only a host computer, a file server and a main printer. It is a thing.

Further, in this embodiment, when the actual result is sent from the work instruction sheet, the buzzer is used to notify the NG. However, the buzzer may not be used to notify the NG. Regarding the manufacturing process which is delayed from the work end date of the work instruction issued first, the corresponding process No. of the work instruction reissued. It is possible to print a mark or the like indicating that it was delayed at the place of, and if the delivery date is not in time, the delivery date of the work instruction may be displayed as a blank number. Various other modifications can be made without departing from the scope of the present invention.

[0038]

As described above in detail, according to the present invention,
When the actual result is delayed from the scheduled work end date printed on the work order, the scheduled work end date of the subsequent process can be automatically calculated and the correct work order based on the actual results can be reissued. Can provide a production management system that can.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a system according to an embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a part number master of the embodiment.

FIG. 3 is a diagram showing a configuration of a process sequence master of the embodiment.

FIG. 4 is a diagram showing a configuration of a process master of the example.

FIG. 5 is a diagram showing a configuration of a calendar master of the embodiment.

FIG. 6 is a diagram showing a configuration of an order receiving master according to the embodiment.

FIG. 7 is a diagram showing the configuration of an order-accepting master whose setting has been changed in the embodiment.

FIG. 8 is a block diagram showing a circuit configuration of essential parts of a first terminal of the embodiment.

FIG. 9 is a diagram showing the flow of work instruction sheet reissue processing of the embodiment.

FIG. 10 is a diagram showing an example of an issued work instruction document of the embodiment.

FIG. 11 is a diagram showing an example of a reissued work instruction document of the embodiment.

[Explanation of symbols]

1 ... Host computer, 1a ... Main printer, 3 ...
File server, 3a ... part number master, 3b ... process order master, 3c ... process master, 3d ... calendar master, 3e ... ordering master, 4,5,6 ... terminals, 4a, 5
a, 6a, ... Printer, 4b, 5b, 6b ... Scanner,
11 ... CPU.

Claims (1)

[Claims] 1. Manufacturing process information storage means for storing manufacturing processes necessary for manufacturing an article, working day storage means for storing the number of working days per unit quantity of the article for each manufacturing process, and working days. From the working day information storing means in which information is stored, the production amount of the article and the working days stored in the working day number storing means, the working days required for each manufacturing process stored in the manufacturing process information storing means are calculated. Scheduled date setting means for calculating and setting the scheduled work end date of each manufacturing process from the working date information stored in the working date information storage means, and the work of each manufacturing process set by this scheduled date setting means Based on the scheduled end date, issuing means for issuing a work order, work end date input means for inputting date information of a manufacturing process that has already finished work, and date information input by this work end date input means But If it is later than the scheduled work end date, the scheduled work end date for each subsequent manufacturing process is reset, and the work order is reset based on the scheduled work end date reset by this scheduled date changer. A production management system characterized in that a reissuing means for issuing is provided.