JPH08132502A - Equipment operating condition grasping device - Google Patents

Abstract

PURPOSE: To automatically collect and totalize production results or operation results of equipments without manpower, correctly grasp information necessary for production activity, and easily change or add reason for stopping. CONSTITUTION: A plurality of equipments 4, equipment control means 6 for controlling the equipments 4, input devices 8 for stopping operation at every equipment by artificial stopping reason, and a computer 10 connected to the equipment control means 6 are provided. The computer 10 comprises a log data memory means which adds time and corresponding identifier to an operation information number and stores a log data having these as one record, and a totalizing means for totalizing the operating conditions of the equipments based on the identifier of the log data.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an equipment operation status grasping device, and more specifically, to operate a plurality of equipments simultaneously.
The present invention relates to an apparatus capable of automatically grasping the operating status of each equipment when the operation is repeatedly stopped for each equipment.

[0002]

2. Description of the Related Art In the case of injection molding, extrusion molding, press molding, assembly, or the like for molding or assembling a large amount of products, it is necessary to operate a plurality of molding apparatuses (equipment) at the same time. Each equipment is equipped with equipment control means for individually controlling the equipment. Even if each equipment is a molding machine of the same type, the operating status is rarely the same, and even if an abnormality occurs in each equipment and the abnormality is automatically canceled by the equipment control means. However, the operation of the equipment may stop due to the abnormality.

Further, the operation of the equipment may be stopped due to an artificial stop reason such as suspension. It is necessary to understand the operating status of each facility for the purpose of improving overall productivity. This is because it is possible to eliminate the cause of the failure based on the operating status of each facility and perform planned production.

[0004] Conventionally, in order to grasp the operating status of each facility, a person monitors a plurality of facilities and checks the reason for each facility to issue an alarm or stop. Therefore, when the equipment is to be operated for 24 hours, it is necessary to monitor it for 24 hours, which is against the demand for labor saving. Also, when the equipment issues an alarm, there are cases where a number of types of alarm signals are issued.In such a case, it is necessary for a human to determine which alarm signal caused the equipment to stop. There is a problem that it is complicated. Further, it is necessary to grasp the stop time of the equipment, but there is a problem that the measurement of the stop time is performed by a person and is not always accurate.

Therefore, as shown in Japanese Utility Model Laid-Open No. 5-29726, the operation record of each equipment is managed by computer,
The equipment information and the worker information are coded, and the direct reason why the equipment is stopped is determined by this code data.

[0006]

However, since the technique described in the above publication is a program for totaling with code data, it is necessary to change the program when changing or adding the reason for stopping. . Therefore, in order to change or add the reason for suspension, it is necessary to have expert knowledge of the program, and it is not easy to change or add the reason for suspension.

In addition, in the production results, the workers are posting and totaling from the production counter of the equipment, etc., and it takes a lot of man-hours. At the time of the posting, counting mistakes are likely to occur, and accuracy is concerned. Have the challenges of. The present invention has been made in view of such circumstances, and it is possible to automatically monitor the operating status of a plurality of equipments and automatically collect and aggregate the production performance or operation performance of each equipment without human intervention. It is an object of the present invention to provide an equipment operation status grasping device which can accurately grasp information necessary for production activities and can easily change or add reasons for suspension.

[0008]

In order to achieve the above object, the equipment operating condition grasping apparatus according to the present invention is connected to a plurality of equipments, equipment control means for controlling each equipment, and each equipment control means. A database storage in which an input device capable of inputting information from a worker, an operation information number for each facility, and an identifier corresponding to the operation information number are stored so that they can be redefined, modified, and added. Means, and is connected to each facility control means in an online manner so as to be communicable, and when a change occurs in each facility or input device, receives an operation information number corresponding to the content of the change, and in the operation information number, the The time when the operation information number is generated and the identifier corresponding to the operation information number by accessing the database storage means are added, and these operation information number, time and identifier are made one record. A log data storage means for storing log data, based on the identifier of the log data, and a collecting unit that aggregates the operation status of the equipment.

[0009]

In the equipment operation status grasping apparatus according to the present invention, the operation information number for each equipment and the identifier corresponding to the operation information number are stored in the database storage means in a redefinable and modifiable manner. Therefore, when changing or adding the stop reason for each equipment, access this database storage means, redefine, change the operation information number for each equipment and the identifier corresponding to the operation information number, Just add it. Therefore, even a beginner can very easily change or add the reason for stopping each facility without changing the main program of the facility operation status grasping device.

In addition, in the totaling means, the operating time for each facility or item, operating rate, stop time, stop time for each stop reason,
The equipment operation status such as cycle time and number of warnings is totaled based on the log file identifier. The identifier is a signal for dividing a plurality of operation information numbers into groups and facilitating the aggregation. As an example of the identifier, 1: start operation, 2: stop with reason, 3: stop without reason, 4 Examples include: warning (operation is possible), 5: reason for stop, 6: item, 7: discharge of non-defective product, 8: occurrence of defect, 9: completion of processing.

The operation information number is preferably a number including the identification number of each piece of equipment, and is represented by, for example, a four-digit number. The upper two digits are the equipment identification number and the lower two digits are the operation number. Is. The operation number corresponds to the contents of change for each piece of equipment when each piece of equipment or input device changes. The contents of the change include operation start (00), operation stop (01), abnormal stop 1 (02), abnormal stop 2 (03),
Chocolate stop 1 (04), chocolate stop 2 (05), warning 1 (0
6), warning 2 (07), crimping completed (08), non-defective product discharge (09), defect 1 (10), defect 2 (11), item 1
Examples include (12), maintenance / inspection (13), missing parts (14), equipment failure (15), and the like. The operation number (number in parentheses) corresponding to these contents is classified into any one of the above identifiers. For example, the operation number is 02
Abnormal stop 1 of No. 3, abnormal stop 2 of 03, chocolate stop 1 of 04, and chocolate stop 2 of 05 are classified as reasoned stop of identifier 2.

For example, in order to calculate the operating time of each facility in the totalizing means, the time from the identifiers 1 to 2 and the time from the identifiers 1 to 3 may be integrated and aggregated for each facility.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The equipment status ascertaining apparatus according to the present invention will be described below in detail with reference to the embodiments shown in the drawings. FIG. 1 is a schematic configuration diagram of an equipment status grasping apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the equipment operating condition grasping apparatus 2 of this embodiment is an apparatus for grasping the operating situation of a plurality of equipments 4. In this embodiment, each facility 4 is composed of, for example, an injection molding device, a press molding device, or an assembling device. Further, each equipment 4 does not necessarily have to be configured by a single machine, and as shown in FIG.
It may be configured by a plurality of machines such as 4b and the inspection machine 4c.

An equipment control means 6 for controlling the operation of each equipment is connected to each equipment 4. In each equipment control means 6,
Each equipment is equipped with an alarm device that issues an alarm when an abnormality occurs. When the abnormality that has occurred in each facility is minor, the abnormality can be automatically removed by the action of the facility control means. When the abnormality that occurs in the equipment 4 is serious,
The facility 4 may be stopped.

In this embodiment, an input device 8 is connected to each equipment control means 6. As shown in FIG.
As shown in, a plurality of buttons are attached. With this input device 8, the operator can input the product code number of the production item. Further, each equipment 4 can be stopped by operating the input device 8. Reasons for operating the input device 8 to stop the equipment include a worker's absenteeism, lack of parts, equipment failure, frequent failures, maintenance inspections, setup, and other reasons for non-operation, and defective product appearance. 1, 2, 3, 4
There is a reason such as.

Each facility control means 6 is connected to the data collection computer 10 via an interface or the like so as to be communicable online. The computer 10 has a database storage unit, a log data storage unit, and a totaling unit, and the display unit 12 such as a CRT can display the data stored in the storage unit. In addition, the computer 1 has a keyboard 1
4 is attached, and the computer can be operated from here. Further, a printer 16 is connected to the computer 10 so that the information stored in the storage means of the computer can be printed out on paper. The storage means of the computer is not particularly limited, but RAM, ROM, magnetic disk, magneto-optical disk or the like is used.

In this embodiment, the database storage means of the computer stores the operation information number for each facility and the identifier corresponding to the operation information number so that they can be redefined, modified and added. The contents stored in the database storage means can be displayed on the display means 12 of the computer as shown in FIG. As shown in FIG. 3, in the database storage means, as an example of the identifier, 1: start operation, 2: stop with reason, 3: stop without reason, 4: warning (operation possible), 5: reason for stop, 6: item ,
7: discharge of non-defective products, 8: occurrence of defects, 9: completion of processing, etc. are stored. Further, for each equipment number (for example, 01), operation start (00), operation stop (01), abnormal stop 1 (0
2), abnormal stop 2 (03), chocolate stop 1 (04), chocolate stop 2 (05), warning 1 (06), warning 2 (07), crimping completed (08), non-defective product discharge (09), defect 1 (1
0), defect 2 (11), item 1 (12), maintenance inspection (1
Operating numbers such as 3), parts missing (14), equipment failure (15), etc. are stored in correspondence with their contents (name). As shown in FIG. 3, these operation numbers are classified into any of the above identifiers. For example, abnormal stop 1 with operation number 02, abnormal stop 2 with 03, chocolate stop 1 with 04, and 0
The chocolate stop 2 of 5 is classified as the stop with reason of the identifier 2. The operation information number is a number including the identification number of each piece of equipment and is represented by a 4-digit number. The upper two digits are the equipment identification number and the lower two digits are the operation number.

In the database storage means, the operation information number for each facility is stored as a database together with the corresponding identifier. The contents of the database storage means can be displayed on the display means 12 of the computer as shown in FIG. 3, and by operating the input device such as the keyboard shown in FIG. Information number and contents (name) corresponding to the operation information number
, And the identifier can be easily redefined, changed, and added.

In the log file storage means of the computer 10 shown in FIG. 1, each facility 4 and its input device 8 are monitored online, and when a change occurs in the facility 4 or the input device 8, the contents of the change are recorded. The corresponding operation information number is received, and the operation information number is added with the time at which the operation information number occurred and the identifier corresponding to the operation information number by accessing the database storage means. , Log data having time and identifier as one record is stored.

In the totalizing means of the computer 10 shown in FIG. 1, the equipment operating status such as the operating time, the operating rate, the stopping time, the stopping time according to the stopping reason, the cycle time, the number of warnings, etc. for each equipment or item is recorded in a log file. Calculate based on the identifier. For example, as shown in FIG. 4, certain equipment (equipment identification number is 01, that is, operation information number is 01 ** 4
When the operating time is aggregated when a change occurs as shown in the figure, the time from the identifier to the time from the identifier is integrated.

When the stop time is totaled, the time from the totaling start time to the identifier, the time from to, and the time from to are integrated. When determining the reason for stopping, the reason for stopping the identifier is determined to be, and the reason for stopping the identifier is determined to be the reason existing until the next time.

When the operating rate is calculated, the operating time calculated as described above is used as a waiting time (for example, 900
Minutes). When the cycle time is calculated, the time from the identifier to the next is calculated on condition that there is no stop.

When totaling the number of productions, the total number of times of is totaled. When totaling the number of non-defective products, total the number of times of integration. When calculating the achievement rate, divide the cumulative number of by the planned number. To count the number of defects, subtract the cumulative number of times by the cumulative number of times of.

To calculate the defect rate, the total number of times-
The total number of times of /) is calculated. To count the number of defects, count the cumulative number of times. To count the number of warnings, count the total number of times.

When totaling is performed for each production item, the subsequent totaling is performed. To perform such aggregation, refer to FIG.
As shown in FIG. 1, from the initial menu screen of the computer display screen 12, the computer keyboard 1 shown in FIG.
This can be easily performed by operating 4 and selecting the hierarchical menu screen. These tabulation results can also be printed on paper from the printer 16 shown in FIG.

Regarding the production record, it is necessary to compile the number of products, the number of non-defective products, the achievement rate, the number of defects, and the defect rate for each equipment or item. For the operation record, the operation time, operation rate, It is necessary to collect the stop time, the time according to the stop reason, the cycle time, and the number of warnings. In this embodiment,
These pieces of information can be automatically aggregated very easily as described above.

The present invention is not limited to the above-mentioned embodiments, but can be variously modified within the scope of the present invention. For example, in the above-described embodiment, the system has a single data collection computer communicatively connected to the same type of equipment 4, but there are a plurality of equipment groups of the same type, and data collection for each equipment group. Computer may be connected, and a single centralized manufacturing management computer may be communicatively connected to these data collecting computers, and the manufacturing operation computer may perform equipment operation status grasping work.

[0029]

As described above, in the equipment operation status grasping device of the present invention, since the totaling is performed based on the identifier, it is possible to easily and easily obtain the production performance or operation performance of each equipment without human intervention. The information required for production activities can be easily and accurately grasped.

Further, in the present invention, when changing or adding the stop reason for each equipment, the database storage means is accessed and the operation information number for each equipment and the identifier corresponding to the operation information number are accessed. Can be redefined, changed or added. Therefore, even a beginner can very easily change or add the reason for stopping each facility without changing the main program of the facility operation status grasping device.

Further, by redefining, changing or adding the operation information number for each equipment and the identifier corresponding to the operation information number stored in the database storage means, it is possible to easily cope with the change in the type of equipment. can do. Therefore,
The equipment operation status grasping device of the present invention has versatility regardless of the type of equipment.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an equipment operation status ascertaining apparatus according to an embodiment of the present invention.

FIG. 2 is a plan view showing an example of the input device shown in FIG.

FIG. 3 is a schematic diagram showing a display example of information stored in a database storage means.

FIG. 4 is a time chart diagram of information grasped by the equipment operating condition grasping apparatus according to one embodiment of the present invention.

5 is a schematic view of a menu screen showing an operation example of the computer shown in FIG.

[Explanation of Codes] 2 ... Equipment operating status grasping device 4 ... Equipment 4a, 4b ... Assembly machine 4c ... Inspection machine 6 ... Equipment control means 8 ... Input device 10 ... Computer 12 ... Display means 14 ... Keyboard 16 ... Printer

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location B30B 15/26 G06F 17/60 G07C 3/00

Claims (1)

[Claims] 1. A plurality of equipments (4), equipment control means (6) for controlling each equipment, and an input device connected to each equipment control means (6) and capable of inputting information from an operator. (8), the operation information number for each equipment, and the identifier corresponding to the operation information number are stored in the database storage means (10) in which they can be redefined, modified, and added, and each equipment control means Connected online so that they can communicate
When a change occurs in each facility or input device, the operation information number corresponding to the contents of the change is received, and the operation information number is accessed at the time when the operation information number occurred and the database storage means. A log data storage means (10) for storing log data having the operation information number, time and identifier as one record by adding an identifier corresponding to the operation information number, and equipment based on the log data identifier. An equipment operation status ascertaining device having a totaling means (10) for totaling the operation statuses of.