JPH05138468A - Production control device - Google Patents

Abstract

PURPOSE:To carry out the effective production control by displaying the various information about products and manufacturing equipment with any display type desired by a user, and aggregating and analyzing these information integrally. CONSTITUTION:Display devices 10 for receiving the signal from a control system of each manufacturing equipment No.1-No.30 and for displaying the operation information, the production information and the alarm/ stop information of the manufacturing equipment are provided so as to correspond to each manufacturing equipment, and line terminals 25 for receiving the operation condition, the production condition and the alarm/stop condition from each display device and aggregating them are provided, and each line terminal is connected to each other by a local area net work LAN, and a host computer HC is connected to the local area net work.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention collects and analyzes production information, quality information, and operation information of each manufacturing facility such as electronic parts and circuit boards on which electronic parts are mounted on a board, and uses the collected and analyzed results. The present invention relates to a production management device for performing production instructions.

[0002]

2. Description of the Related Art Conventionally, a manufacturing line system for attaching a bar code to a product, reading the bar code with a bar code reader, and inputting the read result into a computer for production control is proposed in Japanese Patent Laid-Open No. 61-219558. Has been done.

[0003]

By the way, in a manufacturing facility equipped with an electronic component insertion machine for mounting electronic components on a printed circuit board, an electronic component mounting machine, an electronic component inspection machine, a component plating apparatus, etc., only information about products is required. Of course, it is also necessary to manage various information regarding the operating status of manufacturing equipment. In addition, when there are multiple manufacturing facilities, information about each manufacturing facility is aggregated and analyzed on a daily, weekly, or monthly basis, and production information (production results, production Instruction), quality information (yield, control chart creation),
It becomes necessary to collect and analyze operation information (operation rate, failure analysis data, maintenance data), etc.

In view of the above points, the present invention has a display device capable of appropriately displaying a wide variety of information about products and manufacturing equipment in any display format desired by a user, and each display An object of the present invention is to provide a production control device capable of executing effective production control by collectively collecting and analyzing information from the device.

[0005]

In order to achieve the above object, a production management apparatus of the present invention receives a signal from a control system of a manufacturing facility and operates information about the manufacturing facility, production information and alarm / stop. A display device that displays information in an arbitrarily set display format is provided corresponding to each manufacturing facility, and a line terminal that collects operation information, production information and alarm / stop information from each display device is provided, The line terminals are connected to each other via a local area network, and a host computer is connected to the local area network.

[0006]

In the production control apparatus of the present invention, various information can be displayed on the display device in an arbitrary display format desired by the user by using the dedicated software on the personal computer constituting the line terminal, It can flexibly manage various manufacturing facilities. Further, the line terminal receiving operation information, production information and alarm / stop information from a display device provided corresponding to each manufacturing facility collects production performance management information, quality management information, maintenance management information, etc., It becomes possible to analyze. Furthermore, by connecting each line terminal to a host computer via a local area network, information can be centralized in the host computer, and the entire factory having various manufacturing facilities can be managed using the host computer. ..

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a production control apparatus according to the present invention will be described below with reference to the drawings.

FIG. 1 is a configuration diagram showing the overall configuration of an embodiment of the present invention. A plurality of line terminals 25 are connected to each other via a local area network LAN and also to a host computer HC. ing.
As shown in FIG. 2, each line terminal 25 is connected to a plurality of sets of a manufacturing facility and a display device for production management corresponding to the manufacturing facility. For example, in FIG. 2, the manufacturing equipment No.
1, No. 2, ..., No. 30 are provided with the display devices 10 for production control, and one line terminal 25 is provided for each display device 10. The manufacturing equipment is, for example, an electronic component insertion machine, an electronic component mounting machine, an electronic component inspection machine, a component plating device, or the like.

The circuit configuration of the display device 10 for production control is shown in FIG. 3, and the front panel configuration thereof is shown in FIG. In these figures, the display device 10 for production control is used.
Is a central processing unit (CPU) 12, a liquid crystal display 14 arranged on the front panel 13, a parallel interface 15, a serial interface 16, a product name,
Bar code reader 17 for reading the bar code indicating the product lot number and processing conditions, and the front panel 1
An IC card recording / reproducing device 19 having a function of reading the contents of the IC card inserted from the IC card insertion opening 18 of No. 3 and a function of writing record information to the IC card is provided. Further, an operation switch 20 and a power switch 21 are arranged on the front panel 13.

Such a display device 10 has a signal line 22.
It is connected to a control system of a manufacturing facility equipped with an electronic component insertion machine for mounting electronic components on a printed circuit board, an electronic component mounting machine, an electronic component inspection machine, a component plating device, etc. here,
Manufacturing equipment No.1, No.2, ..., No.3 as shown in Figs.
The display device 10 is connected to each of the 0s. Each manufacturing facility is equipped with various sensors, and operation information including the operating time of the manufacturing facility from the control system of the manufacturing facility, production information including the number of products manufactured, and alarm / stop information including the facility stop time ( (Maintenance information) and the like are input to the central processing unit 12 via the parallel interface 15. The operation information may include an operation start time, an operation end time, an operation rate, a reason for stopping, etc., in addition to the operation time. In addition, the production information includes the number of non-defective products, the yield,
The number of defective products by reason can be included. Further, the alarm / stop information can include, in addition to the facility stop time, the alarm stop time, the number of alarm occurrences, the reason stop time, the stop count, and the like.

The bar code reader 17 is for inputting a lot number, a product name, various setting conditions and the like. Further, the IC card recording / reproducing device 19 reads a lot number, a product name, various setting conditions, operation information, production information, alarm / stop information and the like from the IC card and inputs them to the central processing unit 12. Further, if necessary, the central processing unit 12 records the operation information, the production information, the alarm / stop information and the like after the arithmetic processing in the IC card.

As shown in FIG. 2, the line terminal 25 has a C
Personal computer 26 with RT display
And a printer 27 and a hard disk device 28 connected thereto, the personal computer 26 is connected to the central processing unit 12 of each display device 10 via the serial interface 16 as shown in FIG. And operation information from each display device 10,
Production information and alarm / stop information are received and tabulated, and production performance management information (production information is collected by day, week, and month), quality control information (defective items and yield, etc., by day, week, and month are collected and analyzed), Maintenance management information (summary and analysis by day, week, month, etc. of alarm contents and breakdowns), process analysis information (understanding of actual production capacity), and the like are displayed on the CRT display or output from the printer 27.

Furthermore, the personal computer 26 of the line terminal 25 can be used to set the connection and display between the display devices 10 and the manufacturing equipment.

Each line terminal 25 is connected to each other via a LAN, and a line server having a function of relaying total data from each line terminal 25 in the LAN and a function of saving the total data as a file ( 25A, which includes a personal computer and a hard disk device, is provided. In addition, an upper connection terminal (personal computer) 25B is connected to the LAN,
The LAN and the host computer HC are connected via the host connection terminal 25B. Host computer HC
Is provided in, for example, a factory in which various manufacturing facilities are installed, and is for centrally and centrally managing production information, quality information, operation information, and the like. Items to be managed by the host computer HC are, for example, progress management, production status display by lot, production performance management, performance management for production plan, quality management, defect item analysis, yield management, production instruction, production quantity instruction by lot, setup contents. Instructions for production simulation: Understanding production time by process can be improved.

In the above embodiment, the personal computer 26 of the line terminal 25 is first displayed before the operation information, production information, alarm / stop information, etc. are displayed on the display device 10.
Above, the display device 10 is set (connection setting and display setting) using dedicated software. That is, FIG.
Display device 1 according to manufacturing equipment No. 1, No. 2, ..., No. 30 used as in step # 1 of the flowchart of FIG.
0 and the manufacturing equipment are set, and the data structure and the I / O port that are exchanged between them are set (for example, the I / O port that connects the two is specified). Then, the display is set as in step # 2, the display screen of the liquid crystal display 14 is set, and the calculation formula is set (for example, the calculation formula is specified for information that needs to be calculated, such as operating rate and yield). .. When the setting procedure on the personal computer 26 side is completed, the setting data is transferred to the display device 10 in step # 3. Thereafter, as in step # 4, the display device 10 expands the received data, that is, expands the data structure and decodes the calculation formula. On the production management display device side, for example, regarding the connection setting data, a port definition table, a status type table and a counter type table for operation / production information data types, and a code type for alarm / stop information data types. Create a table and a switch type table. For the display setting data, a table of display items is created and the calculation formula is deciphered (converted into an internal code). Here, the data type and the meaning of the data type are shown in Table 1 below.

Table 1 Data type Meaning of data type * Status type Information indicating the state of the machine, such as count data or time data * Counting information such as the number of counter types, such as count data * Code type Information that composes data with multiple signals as BIT, for example Count data, time data * Switch type Information that has one of multiple data as data, for example, count data, time data

The setting of the display device 10 as shown in FIG. 5 is executed corresponding to the manufacturing equipments No. 1, No. 2, ... The device 10 can be used and various information required in the case of a connected manufacturing facility can be appropriately displayed on the liquid crystal display 14. 6 and 7 are both liquid crystal display 14
Is a specific example of the display screen of No. 3, and shows the case where the manufacturing equipment is an electronic component inspection machine.

The line terminal 25 collects the operation information, the production information, the alarm / stop information, etc. sent from each display device 10 in units of days, weeks, months, etc., and manages the production performance management information and the quality. The information is aggregated and analyzed as management information, maintenance management information, process analysis information, etc., and both FIGS. 8 and 9 show display examples of the line terminal 25 (CRT).
Display and printer output). FIG. 8 is an example of the operating status of each manufacturing facility (machine numbers 1 to 11) for one month, and FIG. 9 is an example of the operating rate and insertion rate of each manufacturing facility.

The totalized data transferred from each line terminal 25 is input to the line server 25A via the LAN, saved in the line server 25A as a file, and stored as a database. Upper connection terminal 2
Host computer H connected to LAN via 5B
C can receive the database managed by the line server 25A. In addition, the host computer H
The instruction information from C is transferred to each line terminal 25 via the line server 25A. FIG. 10 is an example of a lot progress status inquiry screen by the host computer HC, and it is possible to know information on a specific display device and manufacturing equipment of the line terminal 25 designated by the host computer.

In the above embodiment, the host computer HC of the factory may be connected to the sales information management computer of the head office / sales department by using a dedicated or public line. It is also possible to connect to a host computer of another factory. Further, a keyboard may be used in place of the bar code reader and IC card recording / reproducing device of the display device 10 for production control, and the lot number, product name, various setting conditions and the like may be input by the keyboard. Further, the number of sets of the display device and the manufacturing equipment for the line terminal is 30 sets, but it is obvious that the number can be increased or decreased as appropriate.

[0021]

As described above, according to the production management apparatus of the present invention, the operation information including the operation time of the manufacturing facility and the production information including the number of products manufactured are displayed in any display format desired by the user. The alarm / stop information including the equipment stop time can be appropriately displayed on the display device, and the output information of each display device can be aggregated by the line terminal on a daily, weekly, monthly basis, etc. In addition, the aggregated data of each line terminal can be centrally managed by the host computer, and production information, quality information, operation information, etc. useful to the user can be quickly and accurately obtained, and instruction information from the host computer can be obtained. Can be transmitted to a specific manufacturing facility via each line terminal.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a production management device according to the present invention.

FIG. 2 is a block diagram showing a connection relationship between each line terminal and manufacturing equipment in the embodiment.

FIG. 3 is a circuit diagram of a display device for production control used in an example.

FIG. 4 is a front view showing the arrangement of the front panel of the display device.

FIG. 5 is a flowchart illustrating a setting procedure of the display device.

FIG. 6 is an explanatory diagram showing an example of a display screen of a liquid crystal display in the display device.

FIG. 7 is an explanatory diagram showing another example of the display screen of the liquid crystal display in the display device.

FIG. 8 is an explanatory diagram showing an example of display on a line terminal.

FIG. 9 is an explanatory diagram showing another example of display on the line terminal.

FIG. 10 is an explanatory diagram showing an example of an inquiry screen of a host computer.

[Explanation of symbols]

 10 display device 12 central processing unit 13 front panel 14 liquid crystal display 15 parallel interface 16 serial interface 17 bar code reader 18 IC card insertion slot 19 IC card recording / reproducing device 22 signal line 25 line terminal 25A line server 26 personal computer No. 1 , No.2, ..., No.30 Manufacturing equipment HC host computer

Claims (1)

[Claims] 1. A signal from a control system of a manufacturing facility is received,
A display device for displaying operation information, production information, and alarm / stop information of the manufacturing facility in a display format arbitrarily set is provided corresponding to each manufacturing facility, and operation information, production information, and alarm from each display device are provided. / A production management apparatus characterized in that a line terminal for receiving and counting stop information is provided, each line terminal is connected to each other by a local area network, and a host computer is connected to the local area network.