JPH0441140A - Work instruction system in workpiece assembly work - Google Patents

Abstract

PURPOSE:To carry out an assembly work action and a confirmation action of contents of work in a continuous moderate action by constituting the work instruction system in the title so that a work information showing an item number, a fitting direction, a fitting method and others of a member is recorded at a member fitting corresponding part in a work. CONSTITUTION:A write-in control unit 15 selects required sequencer command data by way of making reference to a sequencer command call table stored in a data base by means of work instruction data from a work instruction data sampling unit 11. A pen plotter 17 is actuated in accordance with this sequencer command data and writes a work instruction information in a specific part of a floor plate member delivered by a floor plate gripping device 16. A field worker proceeds his work to a work flowing on an assembly line in accordance with this written-in work instruction.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a work instruction system for assembling workpieces, and in particular to a technology that is effective for assembly lines for large workpieces in which many parts are attached to the workpiece. It is.

(Prior art) Conventionally, as a work instruction method on an assembly line, the work contents are displayed on a screen display device such as a CRT installed in each process, and the parts to be attached or welded are directly instructed by irradiation with a laser beam. There were methods to do this.

Originally, when giving work instructions on-site, it is desirable that no special operations or actions are required to read the work instruction information. From this point of view, it is desirable that the work instruction method be such that the work content can be easily determined in a flow related to the assembly work content.

(Problem to be Solved by the Invention) However, in the method of displaying the work content on the screen display device described above, it is necessary to look at the installed screen display device many times during work, and There were problems such as poor sex. Furthermore, the method of irradiation using a laser beam described above has the problem that the device for issuing work instructions is complicated and is also not compatible with work operations.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to improve the compatibility with work movements in workpiece assembly work by making it possible to understand the work content just by looking at the workpiece itself on the assembly line. The purpose is to provide an instruction system.

(!l!!Means for solving the problem) In order to solve the above problem, the work instruction system for workpiece assembly work according to the present invention provides a work instruction system for workpiece assembly work in which parts are attached to workpieces on an assembly line of multi-product mixed production. A recording means for recording work instruction information indicating the component name, mounting direction, mounting method, etc. is provided at a corresponding location for mounting the member in the work.

(Function) When installing components within a workpiece, work instruction information such as the component name, installation direction, and installation method is directly written in the corresponding location using a recording means. Therefore, on-site workers proceed with work according to work instructions written on the workpieces while watching the workpieces flowing on the assembly line.

(Example) Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the electrical configuration of the work instruction system according to the present invention, and in this embodiment, the explanation will be given by taking as an example the case where the present system is applied to an assembly line for unit housing. do.

In the figure, each unit (
Process plan data, which is the basis for extracting work instruction data, is introduced into the work instruction data extraction unit 11 that extracts necessary work instruction information for each work (hereinafter referred to as work), and the extracted work instructions A data storage unit 12 that stores data is bidirectionally connected.

For example, when displaying work instructions for flooring, the work instruction data stored in the data storage unit 12 includes: ■ What kind of work instruction data is to be written on which floorboard member; and ■ Sequencer commands to the floorboard gripping device. 1) Sequencer command designation representing the printing operation to the pen block; 2) Designation of the supply order, mounting position, floorboard layout, etc. (sequencer command designation) for instructing the supply of floorboards to the workpiece.

Further, the output of the work instruction data extraction unit 11 is the writing operation of the floor plate gripping control unit 13 that controls the operation of the floor plate gripping device 16, the floor plate supply control unit 14 that controls the supply operation of each floor plate to the work, and the pen plotter 17. The work instruction data extraction unit 11 sends information to each of the control units 13, 14, and 15.
Work instruction data corresponding to each is sent out.

The floorboard gripping control unit 13 stores, as a database, a sequencer command file for the floorboard gripping device 16 that has been registered in advance, and a sequencer command call table that lists work instruction codes and sequencer command storms in correspondence. ing.

In addition, the floor plate supply control unit 14 also includes a floor plate gripping device 1.
A sequencer command file for 6 and a sequencer command call table in which work instruction codes and sequencer commands are listed in correspondence are stored as a database. Furthermore, the write control section 5 has the following information:
Sequencer command file to pen block 17,
A sequencer command call table that lists work instruction codes and sequencer command levels in correspondence is stored as a database.

In the above configuration, the main parts of the floorboard gripping control section 13, the floorboard supply control section 14, and the writing control section 15 are configured by software running on a microcomputer.

2 is a flowchart showing the operation of the floorboard gripping control section 13, FIG. 3 is a flowchart showing the operation of the floorboard supply control section 14, and FIG. 4 is a flowchart showing the operation of the writing control section 15. The operation of the work instruction system of the present invention will be described below with reference to the same figure as necessary.

The work instruction data extraction unit 11 extracts design drawings (production schedules) of each workpiece included in the process plan data based on daily process plan data or weekly or monthly process plan data created in advance. Work instruction data is extracted for each work from the drawings). This extracted work instruction data is stored in the data storage section 12. Further, the work instruction data extracted in this way is sent to the respective control units 13, 14, and 15.

The floorboard gripping control unit 13 uses the work instruction data from the work instruction data extraction unit 11 (step 511), refers to the sequencer command call table stored in the database 51, and selects desired sequencer command data (step 512). ). That is, sequence command data is selected to operate the floorboard gripping device 16 so as to send the floorboard member having the part number specified by the work instruction data to the pen plotter 17. Then, the selected sequencer command data is sent to the operation control section (not shown) of the floorboard holding device 16, and the operation is ended (step 513). Act according to data,
Hold the floorboard member with the specified part number and use the pen plotter 17.
Transfer it to the pen plotter stage.

The write control unit 15 uses the work instruction data from the work instruction data extraction unit 11 (step 531), refers to the sequencer command call table stored in the database 53, and selects desired sequencer command data (step 532). , that is, the floorboard gripping control section 6
Sequencer command data is selected for causing the pen plotter 17 to write necessary work instruction information on the floorboard member fed in by the pen plotter 17. The selected sequencer command data is then sent to the operation control unit (not shown) of the pen plotter 17, and the operation is ended (step 533).The pen plotter 17 operates according to the sequencer command data from the write control unit 15. death,
Work instruction information is written in a predetermined location of the sent-in floorboard member (that is, a location corresponding to the member attachment position in the subsequent process). The work instruction information to be entered includes, for example, the product number of the mounting member, its mounting method, and mounting direction.

The floorboard supply control unit 14 uses the work instruction data from the work instruction data extraction unit 11 (specifically, data on the supply order, installation position, floorboard allocation, etc. for floorboard supply instructions) (step 521) to create a database. Referring to the sequencer command call table stored in 52, the desired sequencer command data is selected (step 522);
That is, sequencer command data is selected to operate the floor plate gripping device 16 so as to transfer the floor plate member on which the necessary work instruction information has been written by the pen plotter 17 to a predetermined position within the workpiece indicated by the work instruction data. . The selected sequencer command data is then sent to the operation control section (not shown) of the floorboard gripping device 16, and the operation is completed (step 523).The floorboard gripping device 16 receives the sequencer command data from the floorboard supply control section 14 It operates according to the data, grasps the floor plate member set on the pen plotter stage of the pen block 17, and transports it to a predetermined position within the workpiece set on the assembly line.

By performing the above-mentioned operations up to the last floor plate member indicated in the work instruction data sent from the work instruction data extraction unit 11, the workpiece For example, 6 indicated by the instruction data.
The different types of floorboard members A1 to A6 are assembled so as to have the floorboard layout shown in the figure. Note that the white arrows in the drawings indicate the direction in which the workpiece W flows.

As a result, workers in the post-process can understand the work contents by simply looking at each floor plate member A1 to A6 incorporated in the workpiece flowing on the assembly line, so that each floor plate member AI-A
For installation, the parts are installed according to the work information written in step 6 while checking the work information such as the product number of the part, the installation direction, and the installation method.

Note that by applying the work instruction system of the present invention, it is also possible to unify work instruction information and parts ordering information.

(Effects of the Invention) The work instruction system according to the present invention is configured to record work information indicating the part number, mounting direction, mounting method, etc. of the component at the corresponding location when mounting the component in the work, so that it can be used in subsequent processes. By simply looking at the workpieces flowing on the assembly line, workers can determine the part numbers, mounting directions, and mounting methods of the parts to be attached to the workpieces. It can be done without any movement. Additionally, this allows for quick and accurate confirmation of work details.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the electrical configuration of a work instruction system for assembling large workpieces according to the present invention, FIG. 2 is a flowchart showing the operation of the floor board gripping control section, and FIG. 3 is a flowchart showing the operation of the floor board gripping control section. FIG. 4 is a flowchart showing the operation of the write control unit, and FIG. 5 is a diagram showing an example of the floorboard layout state within the work. 11...Work instruction data extraction unit 12...Data storage unit 13...Floor plate gripping control unit 14...Floor plate supply control unit FIG. 15...Writing control unit 16...Floor plate gripping device 17 ...pen plotter

Claims (1)

[Scope of Claims] 1) In an assembly line for multi-product mixed production in which components are attached to workpieces, work instruction information indicating component product names, attachment directions, attachment methods, etc. is recorded in locations corresponding to component attachment within the workpiece. 1. A work instruction system for work assembly work, characterized in that a recording means is provided for recording.