JPH04240059A - Control device for production tray - Google Patents

Abstract

PURPOSE:To introduce control with the stress placed on shortening the read time and wait time in each facility on the manufacturing process by calculating these time production tray by tray, and indicating eventual overtime as exceeding respective reference values on the applicable production tray. CONSTITUTION:From a processing process information transmitting time 1 furnished on each facility 10, the processing start time, ending time, and facility No. are transmitted to each production tray 20 used for transporting between manufacturing facilities, and a process information collecting part 3 calculates the read time and wait time on the real time basis from these pieces of information received through a processing process receiving part 2 with the aid of an internal timer. In case the specified value is exceeded, alarm is indicated on an alarm display 4. The sort of alarm indicated, the production tray No. having issued the alarm, and the process are received by a centralized control part 30 via an alarm information transmitting part 5 and an alarm information receiving part 6, and a tray information centralized control part 7 displays alarm information for all production trays.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a production tray management device,
In particular, the present invention relates to a production tray management device for transporting parts being manufactured on production trays in a production factory.

0002

[Prior Art] Conventionally, this type of production tray management device aggregates the lead time and process waiting time of each production tray only at the completion of a specific manufacturing process, and outputs it to a list or CRT. There is. This output is then used as result evaluation data for work efficiency evaluations, etc.

0003

[Problems to be Solved by the Invention] The conventional production tray management device described above does not know the waiting time or lead time of production trays in real time, so it is difficult to select production trays to be processed in manufacturing equipment with many work in progress. This method has the disadvantage that problems such as the waiting time for each manufacturing facility and each production tray cannot be clarified in real time, as well as the lead time becomes longer.

0004

[Means for Solving the Problems] The production tray management device of the present invention is a production tray management device for a manufacturing process in which parts being manufactured are transported by a production tray, and the production tray management device starts from a loader and an unloader of manufacturing equipment, respectively. A processing progress information transmitter that detects the time and completion time and transmits the manufacturing equipment name and each time, and a processing progress information collector provided for each production tray that receives information from the processing progress information transmitter. Based on the information collected by this process progress information collection unit, the waiting time from the completion time of the previous manufacturing equipment to the start time of the next manufacturing equipment and the lead time, which is the time from the start of the first process to the current time, are calculated. A progress information aggregation section that calculates the waiting time or lead time in real time and displays an alarm if the calculated waiting time or lead time exceeds a specified value, and a progress information aggregation section that calculates the number of the production tray and the alarm for which the alarm display is instructed by the progress information aggregation section. An alarm information transmitting section provided on the production tray that transmits the type, an alarm information receiving section provided in the tabulation management section that receives the information transmitted by this alarm information transmitting section, and an alarm received by this alarm information receiving section. and a tray information central management section that displays the type of production tray and number of production trays in real time and manages alarm history.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram of one embodiment of the present invention. In the embodiment shown in FIG. 1, each manufacturing facility has a processing progress information transmitting section 1 that transmits the processing start time and processing end time in the manufacturing facility 10 to the production tray 20. A processing progress information receiving section 2 that receives information transmitted from the processing progress information transmitting section 1, a progress information aggregation section 3 that calculates lead time and waiting time based on the reception results, and a result calculated by the progress information aggregation section 3. It has an alarm display section 4 that compares the value with a specified value and displays an alarm if it exceeds the specified value, and an alarm information transmitting section 5 that sends the type, degree, etc. of the alarm displayed on the alarm display section to the central control section 30. The centralized management section 30 includes an alarm information receiving section 6 that receives alarm information transmitted from the alarm information transmitting section 5, and a tray information centralized management section 7 that displays the work status of all production trays 20 on the screen. It is configured.

FIG. 2 is a diagram showing an installation example of the processing progress information transmitting section 1 of FIG. 1. As shown in FIG. The processing progress information transmitter 1 is the manufacturing equipment 1
They are installed on the loader 11 and unloader 12 installed at 0, respectively. The production tray 20 to be processed in the manufacturing equipment 10 passes through the loader 11 to start processing in the manufacturing equipment 10, and after the processing is completed, it passes through the unloader 12 and is transported to the loader of the next manufacturing equipment. The processing progress information transmitter 1 transmits the production tray 20 to the loader 11 and unloader 1.
2, the time of passing and the name of the manufacturing equipment are transmitted to the processing progress information receiving section 2 installed on the production tray 20.

Next, the processing of the production tray 20 shown in FIG. 1 will be explained. From the information received by the processing progress information receiving section 2, the progress information aggregation section 3 calculates the lead time and waiting time. The waiting time is calculated from the reception of the processing end time from the unloader 12 of the previous manufacturing equipment 10 to the reception of the processing start time of the loader 11 of the next manufacturing equipment 10. An internal timer is started at the same time as the information is received, and the waiting time is counted. The lead time was counted up to the current time by an internal timer, with the starting time of the production tray 20 in the manufacturing equipment 10 for the first process stored in the progress information collection unit 3 as the reference value (=0) for the lead time. value. The progress information aggregation unit 3 uses the memorized reference process steps of manufactured products in the production tray, average lead time, and average waiting time between each process to calculate the waiting time up to the current time counted by an internal timer. Compare time and lead time up to the current time in real time. At the time of comparison, if the value exceeds the average value, an alarm indicator light is turned on in the alarm display section 4. When displayed on the alarm display section 4, the tray number of the production tray 20, alarm occurrence item (waiting time or lead time), and occurrence time are transmitted to the central management section 30 via the alarm information transmission section 5. . The alarm display unit 4 displays the information until it is received from the processing progress information transmitting unit 1 installed in the loader 11 of the next manufacturing equipment 10, and the alarm information transmitting unit 5 displays the information when the information is received from the next manufacturing equipment 10. The alarm cancellation information is sent to the central management section 30.

Next, the centralized management section 30 of FIG. 1 will be explained. The alarm information and alarm release information transmitted from the alarm information transmitting section 5 are received by the alarm information receiving section 6, and the tray information centralized management section 7 The alarm information for all production trays 20 in the factory is displayed on the screen in real time.

0010

[Effects of the Invention] As explained above, the present invention calculates the waiting time and lead time in equipment in the product manufacturing process for each production tray, and when the standard value is exceeded, an alarm is displayed on the production tray. , it is possible to minimize waiting time and loss of lead time due to errors in determining the processing order by workers, and alarm information is sent to the central control department for each production tray, reducing lead time and lead time. This has the effect that management can be performed with emphasis on reducing waiting time.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 is a diagram showing an example of installation of a processing progress information transmitting section in FIG. 1;

[Explanation of symbols]

1 Processing progress information transmitter 2 Processing progress information receiving unit 3 Progress information aggregation department 4 Alarm display section 5 Alarm information transmitter 6 Alarm information receiving section 7 Tray information central management department 10 Manufacturing equipment 11 Loader 12 Unloader 20 Production tray 21 Alarm indicator light 30 Centralized management department

Claims (1)

[Claims] Claim 1: In a production tray management device for a manufacturing process in which parts being manufactured are transported on production trays, the start time and completion time are detected from the loader and unloader of manufacturing equipment, respectively, and the manufacturing equipment name and each A processing progress information transmitting section that transmits the time, a processing progress information collecting section provided for each production tray that receives information from this processing progress information transmitting section, and information collected by this processing progress information collecting section. The lead time, which is the time from the completion time of the previous manufacturing equipment to the start time of the next manufacturing equipment, and the time from the start of the first process to the current time, is calculated in real time, and the calculated waiting time or lead time is calculated in real time. A progress information aggregation unit that displays an alarm for anything that exceeds a specified value, and an alarm information transmitter installed on the production tray that transmits the number of the production tray and the type of alarm for which this progress information aggregation unit has instructed alarm display. and an alarm information receiving section provided in the central control section that receives the information transmitted by the alarm information transmitting section, and displaying in real time the type of alarm and the number of the production tray received by the alarm information receiving section, 1. A production tray management device, comprising: a tray information central management section that manages alarm history.