JPH058157A - Manufacturing prodess management system - Google Patents

Abstract

PURPOSE:To provide a manufacturing process management system with which a load on an upper device can be reduced for the manufacturing process management system in which portable type recording medium memorizing product codes installed at a terminal unit in each process for receiving work instruction data from the upper device by codes. CONSTITUTION:When a portable type recording medium 7 having a memory zone added to a product 2 processed in a manufacturing line 1 in which a product code is memorized preliminarily and a memory zone for work instruction data for all the processes 10 for the product 2 is inserted into a first terminal unit 6 in a first process, a writing and reading means 8 transmits the code to a reading upper device 3, reads work instruction data for all the processes 10 applicable fore the product 2 in a memorizing means 4, sents them to the first terminal unit 6, writes them in the recording medium 7, and displays the work instruction data for the first process in a display means 11. When the recording medium 7 is inserted into a second terminal unit 60 for the next process and on, the work instruction data for the current process 10 are read by a reading means 80, and displays them in a display means 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manufacturing process management system for a manufacturing line, in which products are sequentially moved to a plurality of processes, and is particularly composed of a terminal device and a host device arranged in each process. Insert a portable storage medium storing the code into the terminal device of the first process, receive work instruction data of all the processes of the applicable product from the host device, store it in the storage medium, and sequentially load it into the terminal device and read it. The present invention also relates to a manufacturing process management system capable of displaying work command data of a corresponding work process and performing a work.

[0002]

2. Description of the Related Art FIG. 4 shows a conventional example of a manufacturing process control system. As manufacturing process control system shown in FIG., The assembly process and a plurality of steps 10 ₁ to 10n in the production lines that are organized in the test process is organized on the belt conveyor 1a, assembly work and testing work product 2a is performed .

Magnetic card readers A _{1 to} An are installed in the respective processes 10 ₁ to 10 n and are connected to a host computer (hereinafter referred to as a host) 3 a. The host 3a has a storage area in which the print data of the warranty G for each machine number of the product 2a manufactured in a predetermined period and the label L attached to the packaging is stored, a storage area for storing the process progress status and input data described later. The process management data memory 4a is included.

After the final step 10n (normal test step), the printer 5a connected to the host 3a is placed, and the label L and the warranty G attached to the packaging of the product 2a are the print data transmitted from the host 3a. Is printed based on.

The product 2a is attached with a magnetic card C having a model number code on a table on which the product 2a is placed, for example, and the product 2a moved by the conveyor line 1a is subjected to each process 10 ₁ to 10 n. Products are installed by inserting the magnetic card C into the card readers A1 to An at the beginning of each work.
2a model number code is read and sent to the host 3a is recognized model number, the progress of the product 2a Step 10 ₁ to 10n are stored in the process control data memory 4a. And when the code of the model number is read in the final process 10n,
The print data of the model number is sent from the host 3a to the printer 5a, and the label L and the warranty G are printed.

[0006] Thus the progress of the product 2a is stored in the process control data memory 4a by the code read data of each process, whether the product 2a of which the model number is advanced to where steps 10 ₁ to 10n progress It is supposed to be managed.

Work instruction sheets B _{1 to} Bn including work contents in each process 10 _{1 to} 10n are prepared, and the operator performs work while watching the work instruction sheet, and check for work omissions such as check sheets C _{1 to} Cn. The paper is stored by hand by the operator using the above paper, and necessary data is input later from an input device (not shown) and registered in the process control data memory 4a of the host 3a.

Further, instead of the magnetic card C and the card reading devices B1 to Bn in the above example, there is also a method of reading a card on which a bar code of a model number is written by a bar code reading device.

[0009]

According to the above conventional method, when a product arrives at each process, the product number of the magnetic card or the bar code is read and sent to the host to manage the progress of the process. According to this method, it is necessary to prepare a work order document containing work contents for each process of each product, and detailed information such as checking for work omissions is still handled by handwriting a check sheet or memo using paper. This makes it difficult to save labor in management, and in order to register these detailed information in the process management data memory of the host as the machine history of the product, an input / output device is always required, and operation input is required. Takes time, and the load on the host is heavy, making execution difficult.

In order to inquire product progress information and to update product distribution information in reality, an input / output device is still required. When the system goes down on the host, the code of the product number that is read in each process is not downloaded to the host, so the progress of the process cannot be grasped, and the label attached to the warranty or the package corresponding to the product number from the host. To stop sending print data
The product is not handled and the production line is stopped. There is a problem.

It is an object of the present invention to provide a manufacturing process management system capable of reducing the load on the host and saving labor.

[0012]

FIG. 1 is a block diagram showing the principle of the present invention. In the figure, 2 is a product, 10 is a process, 1 is a production line for sequentially moving the product 2 to a plurality of processes 10, 7 is attached to the product 2, and a code for recognizing the model name of the product 2 is stored in advance. Storage area and all steps of product 2
A portable storage medium 6 having a storage area for storing work command data including the work content of 10. The storage medium 6 is connected to the host device 3 and is provided in the first step 10 of the manufacturing line 1, and the writing / reading means 8 and the display means are provided. 11, the code read from the storage medium 7 is transmitted to the host device 3, the work command data of all processes 10 transmitted from the host device 3 is written in the storage medium 7, and the work command data of the first process 10 is displayed. The first terminal device 8 is provided in the first terminal device 6, and the writing / reading means 11 writes / reads data in / from the storage medium 7 when the storage medium 7 is inserted. 11 is the first terminal device. 6 and the second terminal device 60, respectively, display means for displaying the work command data of the corresponding step 10 read from the storage medium 7, 60
Are provided in each of the processes 10 other than the initial process, are provided with a reading means 80 and a display means 11, and read a plurality of work command data from the storage medium 7 and display the plurality of second terminal devices, and 80 is a second terminal device 60. The reading means 3 for reading the work instruction data of the corresponding step 10 from the storage medium 7 when the storage medium 7 is inserted is provided with the storage means 4, and the first terminal device 6 is provided.
Based on the code transmitted from the host device, the work command data of all the processes 10 corresponding to the model name of the corresponding product 2 is read from the storage means 4 and transmitted to the first terminal device 6,
Reference numeral 4 denotes a storage means which is provided in the higher-level device 3 and in which work instruction data including work contents for each process 10 of model names of a plurality of products 2 to be worked on the manufacturing line 1 is stored in advance in association with the model name. is there.

Therefore, the work command data for each process 10 read from the recording medium 7 in which the work command data for all processes 10 are stored is displayed on the display means 11 of the first terminal device 6 and the second terminal device 60, respectively. Is configured to.

[0014]

When the recording medium 7 is inserted into the first terminal device 6 when the first process 10 of the product 2 is started on the manufacturing line 1, the code for recognizing the model name of the product 2 is read by the writing / reading means 8. To be Then, the code is sent to the higher-level device 3, and the work command data of all processes 10 of the model corresponding to the code is read from the storage means 4 and sent to the first terminal device 6.
The first terminal device 6 writes the received work instruction data of all processes 10 in the storage medium 7 by the writing / reading means 8, and further reads the work instruction data of the first step 10 and displays it on the display means 11.

The operator can proceed with the work based on the work command data displayed on the display means 11. First process
When the work of 10 is completed, the storage medium 7 is pulled out from the first terminal device 6 and attached to the product 2, and the process proceeds to the next step 10.

Next, when the storage medium 7 is inserted into the second terminal device 60 in the next step 10, the reading means 80 reads the work command data corresponding to the step 10 and displays it on the display means 11. Therefore, the operator proceeds with the work based on the displayed work command data.

In the subsequent step 10 as well, by sequentially inserting the storage medium 7 into the second terminal device 60, the work command data of the step 10 is displayed on the display means 11. In this way
Conventionally, work instruction manuals prepared for each process are automatically displayed on the display means 11, so labor saving in management can be achieved, and work command data for all processes are stored in a storage medium in the first process. Therefore, it is not necessary to communicate with the higher-level device 3 for each process 10, and the load on the higher-level device 3 can be reduced.
Even if the higher-level device 3 goes down, the storage medium 7 is already available.
Since the work instruction data of all the processes are stored in, the work of all the processes can be performed without stopping the manufacturing line 1.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. The same reference numerals denote the same objects throughout the drawings. Figure 2
Host 3b, process control data memory 4b, the terminal device _61, the terminal device 6 ₂ ~6n, IC card 7a and display (hereinafter C
Reference numerals 11 _{1 to} 11 n are host devices 3, storage means 4, first terminal device 6, second terminal device 6 of FIG. 1 (corresponding to claim 1).
0, the storage medium 7, the writing / reading means 8 and the display means 11, respectively, and the read / write section (hereinafter referred to as the R / W section) 8 _{1 of FIG.}
8n correspond to the writing / reading means 8 and the reading means 80 in FIG.

As shown in the block diagram of FIG. 2, consisting of the assembly process and a testing process on the belt conveyer 1a Step 10 ₁ -
Corresponding respectively to be arranged in the terminal device 6 ₁ ~6n to 10n, are connected to each host 3b.

The IC card 7a has a storage area in which the code of the model number of the product 2a is stored and work command data including work contents (lot number, machine number, work conditions and work check items) transmitted from the host 3b and Print data (Claim 2)
(Corresponding to the incidental information of), and the process 10 of the work progress and work result data (process progress information, work check result, version number information, fault information, machine history information, etc.) input during the work. _{It has} a storage area (corresponding to claim 3 and claim 4) for storing data for every _{1 to} 10n for all processes, moves on the belt conveyor 1a attached to the product 2a, and processes each process 10 ₁ .About.10n are inserted and set in the R / W units 8 _{1 to} 8n of the terminal devices 6 _{1 to} 6n.

The terminal device _61, when the IC card 7a is inserted set, reads the code of the model number of the IC card 7a, the work instruction data for the entire process 10 ₁ to 10n which is transmitted from the host 3b, and the work writes progress work result to the IC card 7a, written all steps 10 ₁ first from ~10n step 10
_The R / W unit 8 ₁ for reading the work command data of ₁ , the keyboard (hereinafter referred to as KB) 9 ₁ for inputting the progress and work result of the work (corresponding to claim 3), and the R / W unit 8 ₁ for the IC card 7a
Work command data and KB9 _{1 of} the first process 10 ₁ read from
Equipped with a CRT11 ₁ that displays input data from
It sends the code read from the card 7a to host 3b, writes the work order data and the print data of all steps 10 ₁ to 10n from the host 3b to the IC card 7a, the first step 10 ₁
Of the work order data displayed on the CRT 11 _1, further writes the work result data to the IC card 7a.

[0022] Also, when the work than KB9 ₁ end is input,
The work result data is read and transmitted to the host 3b. If the host 3b is down at the time of transmission, the work result data is stored in the IC card 7a as it is. (According corresponding to claim 4) the terminal device 6 ₂ ~6n, when the IC card 7a is inserted, reads the work instruction data corresponding to the respective steps 10 ₂ to 10n from the IC card 7a, also work with the progression of the work with results and R / W section 8 ₂ ~8n for writing, and a KB9 ₂ ~9n inputting progression and work result of the work (corresponding to claim 3), corresponding steps 10 ₂ to 10 read from the IC card 7a
The n work order data displayed on CRT11 ₂ ~11n, further writes the progress and work result of the work in the IC card 7a. Also when KB9 ₂ ~9n than work completed is inputted, transmits reads the work result data to the host 3b. (Corresponding to claim 3) If the host 3b is down at the time of transmission, the work result data is accumulated and stored in the IC card 7a as it is. The printer 6b (corresponding to the operating means of claim 2) is connected to the terminal device 6n (corresponding to claim 4), and KB
When the work end is input to 9n, the print data is read from the C card 7a by the R / W unit 8n and sent to the printing device 4b,
Next, the work result data is read and transmitted to the host 3b.

[0023] The host 3b, the model name of multiple products 2a produced by the production line 1a, lot number, Unit, all the steps 10 ₁ to 1
The work instruction data such as work conditions and work check items of 0n and the print data (corresponding to claim 2) of the label L and the warranty G attached to the packing of the product 2a are stored in advance in correspondence with the model name. a storage area is provided with a process control data memory 4b having a memory area (corresponding to claim 3) for storing the work result data of all steps 10 ₁ to 10n of the plurality of products 2a, from the terminal device 6 ₁ Based on the code sent,
Based from process control data memory 4b to the model name of the corresponding products 2a, and transmitted to the terminal device ₆₁ reads the work instruction data and the print data of all steps 10 ₁ to 10n, and each terminal device 6 ₁ -
The work result data transmitted from 6n is stored in the process control data memory 4b.

Having such a structure and function, the operation will be described below with reference to the flowchart of FIG. First, when the IC card 7a is inserted into the R / W unit 8 ₁ of the terminal device 6 ₁ when starting the initial process 10 ₁ of the product 2a on the manufacturing line 1a, R
/ W section 8 ₁ reads the code of the product 2a.

The code is sent to the host 3b, the work command data and print data of all the processes 10 _{1 to} 10n corresponding to the model name of the product 2a corresponding to the code are read from the process control data memory 4b, and the terminal device 6 ₁ Send to.

The terminal apparatus ₆₁ writes the work order data and the print data of all steps 10 ₁ to 10n in the IC card 7a by R / W unit _81, further work instruction first step 10 ₁ a R / W unit 8 ₁ The data is read and displayed on the CRT 11 ₁ .

[0027] Therefore, the operator performs the work based on the work instruction data that is displayed on the CRT11 _1, the progress of the work,
Input work results such as work checks from KB9 _{1 one} after another, and
/ W section 8 ₁ writes the input data to the IC card 7a. Then, when inputting the work end of the first process 10 ₁ from KB 9 ₁ , R /
The W unit 8 ₁ reads the work result data, and the terminal device 6 ₁ transmits the work result data to the host 3b. The host 3b stores the work result data in the process control data memory 4b. This allows the host 3b to grasp the progress status of the product 2a together with the work result data.

If the host 3b is down,
The work result data is kept stored in the IC card 7a. The IC card 7a is attached to the product 2a is withdrawn from the terminal device _61. Product 2a is moved to the next step 10 _2, when you start, similarly when inserting the IC card 7a to the terminal device 6 _2, R / W unit ₈₂ corresponding the IC card 7a to the process 10 ₂ Read the work command data. And displays the work instruction data to CRT11 _2.

After that, the steps from to are repeated. In subsequent steps 10 _{3 to} 10 n, the flow of 1 to 3 is performed by inserting the storage medium 7 into the terminal devices 6 ₃ to 6 n sequentially.
In the final process 10 _n , work is performed based on the work command data,
If you enter the work result in KB9n, the R / W section 8n will be an IC card.
By writing to 7a and inputting the end of work, the R / W unit 8n reads the print data from the IC card 7a and transmits it to the printing device 4b, and the printing device 4b prints the label L and the warranty G of the identification tag. Next, the R / W unit 8n reads the work result data, and the terminal device 6n transmits the work result data to the host 3b. Host 3b stores work result data in process control data memory
Remember in 4b.

The IC card 7a is withdrawn from the terminal device ₆₁ and the entire process 10 ₁ to 10n is completed. Printed label L
And the warranty G is attached to the packaging of the product 2a. if,
When the host 3b is down, the work result data accumulated in the IC card 7a is stored and the IC card 7a is stored.
7a is pulled out from the terminal device 6n. The work results accumulated and stored in the IC card 7a are collectively transmitted to the host 3b when the operation of the host 3b is started later.

In this way, by utilizing the large storage capacity of the IC card 7a, the work instruction data of all the steps 10 _{1 to} 10 n are stored in the IC card 7a in the initial step 10 ₁ , and each step 10
_Since the work instruction data read from the IC card 7a at _{1 to} 10n is automatically displayed on the CRT 11 _{1 to} 11n, labor saving of work management which has conventionally prepared a work instruction for each of the steps 10 _{1 to} 10n To improve management efficiency and process 10
There is no need to communicate with the host 3b to receive work command data every _{1 to} 10n, and the communication between the host 3b and the terminal equipment 6 _{1 to} 6n is the minimum required.
It is possible to reduce the load on the host 3b by merely stopping the notification.

Furthermore, if the host 3b is down, the host 3b
When the operation stop in (e.g. holiday time to run only production line in operation) or the like, if so stores the work instruction data for the entire process 10 ₁ to 10n in the IC card 7a, belt conveyors 1a
Can be operated and the whole process 10 ₁ ~
The work result data of 10n can be cumulatively stored in the IC card 7a and can be transmitted after the operation of the host 3b is started.

[0033] In the above example, the print data be stored in the IC card 7a as ancillary information in the final step 10n, the printing device 5b has been described the case of printing a label L and warranty G, Step 10 ₁ to 10n Any supplementary information (eg, nameplate, print data for trouble slips, control data for automatic machines, programs for robots or NC devices, etc.) required by any of the above is stored in the IC card 7a and output in the corresponding process. be able to.

In the above example, the case where the IC card 7a is used has been described, but any storage medium having a large storage capacity may be used, and for example, a floppy disk or the like may be used.

[0035]

As described above, according to the present invention, in claim 1, the work command data including the work contents of all the processes is written by inserting the portable storage medium in the first terminal device of the first process. Since the work instruction data corresponding to each process can be automatically displayed on the display means, it is not necessary to prepare a work instruction document that describes the work contents for each process, and labor saving can be achieved. Further, it is not necessary to communicate with the host device for each process, the load of the host device can be reduced, and even when the system of the host device is down, the work can be continued without stopping the manufacturing line.

According to the present invention, when there is a process requiring auxiliary information in addition to the work instruction data, the auxiliary information is stored together in the storage medium, and the auxiliary information is read from the storage medium together with the work instruction data to perform the work. For example, print data such as an identification tag attached to a product can be stored in a storage medium together with work instruction data for the final process, and the print data can be read and printed in the final process. The control data of the machine, the program of the robot or the like can be output, and can be operated even when the system of the host device is down, as in the first aspect.

According to a third aspect of the present invention, the work results input for each process and written in the recording medium are provided at the end of the work of each process.
By reading from the recording medium and transmitting it to the host device, the product flow can be notified to the host device in real time.

According to the fourth aspect, the work results accumulated and written in the recording medium input for each process can be collectively transmitted to the upper device when the work of the final process is completed. Since communication with the device is only required for the first and final steps, the load on the host device can be further reduced.
Further, even when the system of the host device is down, the work can be continued without stopping the production line. There is an effect.

[Brief description of drawings]

FIG. 1 is a block diagram of the principle of the present invention.

FIG. 2 is a block diagram showing an embodiment of the present invention.

FIG. 3 is a flowchart of an embodiment.

FIG. 4 is a block diagram showing a conventional example.

[Explanation of symbols]

1 is a production line, 1a is a belt conveyor,
2, 2a is a product, 3 is a host device, 3a, 3b are hosts, 4 is storage means, 4a, 4b are process control data memories,
5a and 5b are printing devices, 6 is the first terminal device, 6
_{1 to} 6n, 60 _{1 to} 60n are terminal devices, 7 is a storage medium,
7a is an IC card, the writing reading means 8, 10, 10 ₁
~ 10n is a process, 11 is a display means, 11 ₁ ~ 11
n is a CRT, 60 is a second terminal device, 80 is a reading means,

Claims (4)

[Claims] 1. A first terminal device (6) provided in a first step (10) of a production line (1) for sequentially moving a product (2) to a plurality of steps (10), and the first terminal device (6). A plurality of second terminal devices (60) provided in each process (10) other than the process, and a host device (3) to which the first terminal device (6) is connected. The terminal device (6) of the product (2) is attached to the product (2), a storage area in which a code for recognizing the model name of the product (2) is stored in advance, and work of all steps (10) of the product (2) When a portable storage medium (7) having a storage area for storing work instruction data including contents for each step (10) is inserted, the storage medium is stored.
Writing / reading means for writing / reading data to / from (7)
And a display means (11) for displaying the work command data of the first step (10) read from the storage medium (7), and the code read from the storage medium (7) is stored in the host device.
All processes (1) sent to (3) and sent from the host device (3)
The work command data of (0) is written in the storage medium (7), and the second terminal device (60) receives from the storage medium (7) when the storage medium (7) is inserted. A reading means (80) for reading the work instruction data of the step (10) to be performed, and a display means (11) for displaying the work instruction data of the corresponding step (10) read from the storage medium (7), The host device (3) uses the work command data including the model name of a plurality of products (2) operated in each process (10) of the manufacturing line (1) and the work content of each process (10) as the product The storage means (4) stored in advance corresponding to the model name of 2) is provided, and based on the code transmitted from the first terminal device (6), the corresponding product from the storage means (4) The work command data of all steps (10) corresponding to the model name of (2) are read out and transmitted to the first terminal device (6), and the work command data of all steps (10) are stored. Was done Recording media
The work command data for each step (10) read from (7) is displayed on the display means (11) of the first terminal device (6) and the second terminal device (60), respectively. Manufacturing process control system. 2. The storage means (4) of the host device (3) stores auxiliary information necessary for any one of the steps (10) of the manufacturing line (1) as work command data of the corresponding step (10). Correspondingly, it has a storage area for storing in advance, and the work command data for all steps (10) is stored in the first terminal device (6).
The storage medium (7) is provided with a storage area for storing the supplementary information corresponding to the work command data of the corresponding step (10). In the first terminal device (10) or the second terminal device (60) corresponding to the step (10) requiring information, the writing / reading means (8) or the reading means (80) is Storage media (7)
From the storage medium (7), and operating means for operating based on the supplementary information read from the storage medium (7), and based on the supplementary information read together with the work command data of the step (10). The manufacturing process management system according to claim 1, wherein the operating means is operated. 3. The second terminal device (60) is connected to the host device (3), and each step (10) performed based on the work command data displayed on the display means (11). ) Inputting means for inputting a work result including progress and completion of the work, and writing / reading means (8) for writing / reading the input work result in the storage medium (7), 7) has a storage area for storing the work result of each step (10) input by the input means for each of the steps (10), and the storage means (4) of the host device (3) has a plurality of storage areas. The product (2) is provided with a storage area for storing the work results of all the processes (10), and the work results input for each process (10) are written in the recording medium (7), and each process (10) is written. When the work end of is input,
3. The manufacturing process management system according to claim 1, wherein the work result of the process (10) is read from the recording medium (7) and transmitted to the host device (3). 4. The storage medium (7) is a storage for accumulating and storing all steps (10) of work results of each step (10) input by the input means for each step (10). An area is provided, and the work results input in each step (10) are sequentially written in the recording medium (7), and when the work of the final step (10) is completed, the second step of the final step (10) is The terminal device (60) is the storage medium (7)
The work results of all processes (10) stored and stored in
The manufacturing process management system according to claim 3, wherein the manufacturing process management system transmits the information to (3).