WO2018138925A1 - Data processing device and data processing method - Google Patents

Abstract

This data processing device (1) is characterized by including: an acquisition unit (11) which acquires each cycle time of a plurality of devices which form a manufacturing line (2) and execute corresponding processes; and a display control unit (14) that distinguishes a cycle time of a non-distributable device which is one among the plurality of devices and to which the corresponding process cannot be distributed, from a cycle time of a distributable device which is one among the plurality of devices and to which the corresponding process can be distributed, and that displays the cycle times on a display screen.

Description

Data processing apparatus and data processing method

The present invention relates to a data processing apparatus and a data processing method for displaying an analysis result of a production management index of a production line.

When manufacturing a product using production facilities, loss occurs due to various factors, and the time required to manufacture the product increases. In order to improve productivity, it is important to identify and improve the cause of loss.

Patent Document 1 discloses a data totalization processing apparatus that analyzes and outputs the cause of loss that occurs when a product is manufactured using a production facility. As a production management index, this data totalization processing device is to produce a stop loss caused by the production facility being stopped, a performance loss caused by the performance of the production facility, and a defective product with quality that does not meet the standard. The resulting defective loss is output.

JP 2000-123085 A

However, with the technique described in Patent Document 1, it has been difficult to specify what needs to be improved in order to reduce loss. Therefore, there is a problem that it takes a lot of time to improve productivity.

The present invention has been made in view of the above, and an object of the present invention is to obtain a data processing apparatus capable of assisting improvement in productivity of a production line.

In order to solve the above-mentioned problems and achieve the object, the data processing apparatus of the present invention comprises a plurality of acquisition units for acquiring respective cycle times of a plurality of apparatuses that constitute a production line and execute processing in charge. Display that distinguishes between the cycle time of non-dispersable devices that cannot distribute the processes in charge among the devices and the cycle time of dispersible devices that can distribute the processes in charge among multiple devices And a control unit.

The data processing apparatus according to the present invention has an effect that it is possible to assist in improving the productivity of the production line.

The figure which shows the structure of the production management system concerning embodiment of this invention The figure which shows the structure of the manufacturing line shown in FIG. The figure which shows the structure of the data processor shown in FIG. The figure which shows the hardware constitutions of the data processor shown in FIG. The figure for demonstrating the classification method of the loss which arises in a production line in the production management system shown in FIG. The figure which shows the example in which the composition loss is included in the operation time of the production line shown in FIG. The figure for demonstrating the relationship between the change of the number of production, and equipment operation time in the manufacturing line shown in FIG. The flowchart which shows the operation | movement which the data processor shown in FIG. 3 analyzes the improvement object of cycle time. The figure which shows an example of the apparatus division information memorize | stored in the memory | storage part shown in FIG. The figure which shows the display screen of the analysis result of the cycle time which the data processor shown in FIG. 3 displays The figure for demonstrating the loss which arises in a production line in the production management system shown in FIG. The figure which shows the display screen which displays the analysis result for every manufacturing line shown in FIG. The figure which shows the setup when changing the product which is manufactured with the production line which is shown in Figure 1 from model A to model B The figure which shows the generation | occurrence | production situation of the stop event of the production line shown in FIG. The figure which shows the display screen which shows the detail of the stop event linked from the display screen shown in FIG. The figure which shows the display screen which shows the occurrence condition of the performance mistake in the manufacturing line shown in FIG. 2 for every component The figure which shows the display screen which shows the generation | occurrence | production condition of the performance mistake in the manufacturing line shown in FIG. 2 for every nozzle. The figure which shows the display screen which displays the analysis result which compared two or more production lines shown in FIG.

Hereinafter, a data processing apparatus and a data processing method according to an embodiment of the present invention will be described in detail based on the drawings. Note that the present invention is not limited to the embodiments.

Embodiment.
FIG. 1 is a diagram showing a configuration of a production management system 10 according to an embodiment of the present invention. A production management system 10 shown in FIG. 1 includes a data processing device 1, a production line 2, a data collection device 3, a database 4, and a terminal 5. The data processing device 1 is an information processing device that analyzes the state of the production line 2. The production line 2 is composed of a plurality of facilities each performing a process in charge, and manufactures a workpiece by a series of flow operations. Processed products include products, semi-finished products and the like. The production line 2 can be used for producing a plurality of types of products. When the production line 2 changes the type of product, a preparatory work called setup is performed. The setup includes operations for exchanging parts to be supplied to the equipment in the production line 2 and changing the settings of the equipment. The data collection device 3 collects data from a sensor attached to the production line 2, equipment constituting the production line 2, and the like and writes the collected data in the database 4. These data are production information, operation information, quality information, error information, and the like. The terminal 5 is a terminal used by a worker who performs work such as setup of the production line 2, and writes the progress of work performed by the worker in the database 4. The database 4 is a storage unit that stores information related to the production line 2, and is provided in a management server that centrally manages a plurality of production lines 2, for example. The database 4 stores information indicating the production plan and production state of the production line 2, specifically, the number of productions for each product to be manufactured, information indicating parts used for each product, parts inventory information, and the like. .

FIG. 2 is a diagram showing a configuration of the production line 2 shown in FIG. The production line 2 is composed of a plurality of facilities that execute processes in charge assigned in advance in a series of operations. The plurality of facilities constituting the production line 2 includes a laser marker 21, a printing machine 22, a printing inspection machine 23, a first mounting machine 24-1, a second mounting machine 24-2, and a third mounting machine 24- 3, a fourth mounting machine 24-4, a reflow furnace 25, and an image inspection machine 26. The first mounting machine 24-1, the second mounting machine 24-2, the third mounting machine 24-3, and the fourth mounting machine 24-4 are a plurality of facilities that execute the same processing. It can also be called. Hereinafter, when there is no need to distinguish each of the first mounting machine 24-1, the second mounting machine 24-2, the third mounting machine 24-3, and the fourth mounting machine 24-4, they are simply referred to as the mounting machine 24.

In the production line 2, after solder is printed on a substrate at room temperature, components such as a resistor, a coil, a capacitor, and an IC (Integral Circuit) are placed on a predetermined position on the substrate and passed through a high-temperature furnace together with the substrate. Then melt the solder and solder the component and the board. Such a method is called reflow soldering.

The laser marker 21 prints information for ensuring traceability such as a model name and a manufacturing number of a product to be manufactured on a substrate to be processed. The printing machine 22 prints paste-like or cream-like solder on the substrate at room temperature. The print inspection machine 23 inspects whether or not the quality of printing performed by the printing machine 22 satisfies the standard. The mounting machine 24 mounts components on the board. Specifically, the mounting machine 24 sucks a component using a sucking unit called a nozzle, recognizes the shape of the sucked component, and places the component at a predetermined position on the board. The reflow furnace 25 is a reflow soldering device that melts solder by heating a substrate. The image inspection machine 26 inspects the state of the manufactured workpiece based on the image of the substrate. The image inspection machine 26 inspects the state of the solder, whether the component is placed at a predetermined position, and the like.

FIG. 3 is a diagram showing a configuration of the data processing apparatus 1 shown in FIG. The data processing apparatus 1 includes an acquisition unit 11, a storage unit 12, an analysis unit 13, a display control unit 14, a display unit 15, an operation information acquisition unit 16, and a process editing unit 17. The acquisition unit 11 acquires data stored in the database 4 illustrated in FIG. 1 and inputs the data to the analysis unit 13. The storage unit 12 stores information analyzed by the analysis unit 13 in the past. The analysis unit 13 analyzes the execution state of the manufacturing process using the manufacturing line 2 using the data input from the acquisition unit 11. The implementation state of the manufacturing process includes the state of the manufacturing line 2 itself and the state of the worker. The analysis unit 13 outputs the analysis result to the display control unit 14 and writes it to the storage unit 12. The display control unit 14 causes the display unit 15 to display the analysis result output by the analysis unit 13. The display unit 15 is a display device that outputs information on a display screen. The operation information acquisition unit 16 acquires operation information indicating the operation content of the user. A user can operate the data processing apparatus 1 using an input device such as a keyboard, a mouse, or a touch pad. The process editing unit 17 performs processing based on the operation information when the user who has seen the analysis result displayed on the display unit 15 performs an operation to change conditions, contents, and the like of the processing process executed on the production line 2. Edit the process. The process editing unit 17 stores the edited process in the database 4.

FIG. 4 is a diagram showing a hardware configuration of the data processing apparatus 1 shown in FIG. The data processing device 1 can be realized using a communication device 91, a display device 92, an input device 93, a memory 94, and a processor 95. The communication device 91 is a communication interface for connecting to an external device via a communication network. The display device 92 outputs a display screen. The input device 93 is a keyboard, a pointing device, or the like. The memory 94 is a storage unit that stores computer programs such as software and firmware. The processor 95 is a processing circuit that reads and executes a computer program stored in the memory 94. The memory 94 is a RAM (Random Access Memory), a ROM (Read Only Memory), a nonvolatile or volatile semiconductor memory such as a flash memory, a magnetic disk, or the like. The processor 95 is a CPU (Central Processing Unit), a processing device, an arithmetic device, a microprocessor, a microcomputer, a DSP (Digital Signal Processor), or the like.

The functions of the acquisition unit 11, the analysis unit 13, the display control unit 14, and the process editing unit 17 of the data processing device 1 are realized by the processor 95 executing a procedure described in a computer program. The operation information acquisition unit 16 of the data processing device 1 is realized by the cooperation of the input device 93 and the processor 95. 3 and 4, the data processing apparatus 1 includes the display device, but the present invention is not limited to such an example. The data processing device 1 may include an interface for outputting a display screen using an external display device and connecting to the display device.

In the above, the configuration of the production management system 10 and the basic configuration of the data processing apparatus 1 have been described. Hereinafter, specific analysis contents of the data processing apparatus 1 will be described.

FIG. 5 is a diagram for explaining a method of classifying losses generated in the production line 2 in the production management system 10 shown in FIG. The equipment operation time of production line 2 is the equipment load time plus the planned outage time, the equipment load time is the equipment operation time plus the equipment outage loss, and the equipment operation time is the net equipment This is the operating time plus performance loss. Net equipment uptime is value uptime plus quality loss. The equipment stop loss includes a setup loss and equipment failure loss. The performance loss includes a temporary stop loss in which the equipment is stopped for a short time due to equipment failure that cannot be said to be equipment failure. For example, in the case of the production line 2 shown in FIG. 2, the temporary equipment malfunction includes an adsorption error due to a malfunction of the nozzle included in the mounting machine 24. In addition, the performance loss includes a component-out loss that eliminates the components supplied to the mounting machine 24. Loss of quality refers to loss due to failure to meet quality standards, such as the fact that the soldering performance does not meet the standard and the component is not firmly fixed to the board with solder, or the component is not mounted at a predetermined position. It is.

Also, the net equipment operation time can be defined as the effective equipment operation time plus the organization loss. In other words, the time during which the equipment is actually operating may include a knitting loss that can be shortened by changing the knitting of the processing performed by each equipment. A method for shortening the knitting loss will be described below.

FIG. 6 is a diagram showing an example in which a knitting loss is included in the operation time of the production line 2 shown in FIG. FIG. 6 shows the number of productions when the products of model A and model B are manufactured using the manufacturing line 2 and the cycle time of each facility. Here, the cycle time of equipment is work time per process performed in each equipment. In the production line 2 in which a plurality of facilities perform a flow operation, when the cycle times of the respective facilities are different, a waiting time is generated by a difference between the cycle times. For this reason, the larger the difference in cycle time, the longer the waiting time. This waiting time is a cause of knitting loss. For example, in the state shown in the upper part of FIG. 6, the cycle time of the fourth mounting machine 24-4 is 39 seconds / sheet, which is the maximum among the cycle times of the respective facilities on the production line 2. When the plurality of mounting machines 24 are dispersible devices capable of distributing the processing in charge among the plurality of mounting machines 24, a part of the processing handled by the fourth mounting machine 24-4 is transferred to the third mounting machine 24. -3, the cycle time of the third mounting machine 24-3 is increased by 10 seconds to 28 seconds / sheet, and the cycle time of the fourth mounting machine 24-4 is decreased by 10 seconds to 29 seconds / sheet. . Since the cycle time of the production line 2 is the maximum value among the cycle times of the respective facilities, in the example shown in FIG. 6, the cycle time of the production line 2 when manufacturing the model A is from 39 seconds / piece. The knitting loss was shortened by shortening to 30 seconds / sheet.

However, the shorter the cycle time of each facility, the better. For example, since it is difficult to improve the cycle time of the image inspection machine 26, the cycle time of the mounting machine 24 is further shortened while the cycle time of the mounting machine 24 is shorter than the cycle time of the image inspection machine 26. However, the cycle time of the production line 2 does not change. In addition, when the type of product to be manufactured changes and the component mounted by the mounter 24 changes, the mounter 24 must replace the component supplied to the mounter 24. For this reason, a replacement work for replacing components supplied to the mounting machine 24 occurs. The parts used in common before and after the change of the type of product to be manufactured can be reduced by replacing work by performing the mounting process with the same mounting machine 24. For this reason, even if the cycle time is shortened by performing the replacement work, the replacement work can be performed even if the cycle time becomes longer as long as the reduction in the equipment operation time due to the reduction in the cycle time is less than the time required for the replacement work. If the number is reduced, the overall equipment operation time may be improved. As the number of production increases, the effect of shortening the cycle time on the equipment operation time increases, and the number of production can change. That is, which of the shortening of the cycle time and the reduction of the replacement work gives priority to shortening the entire facility operation time depends on the number of production. For this reason, when the number of production of each product changes, it is desirable to review the processing in charge of each facility.

FIG. 7 is a diagram for explaining the monthly change in the equipment operating time of each mounting machine 24 in the production line 2 shown in FIG. FIG. 7 shows the facility operation time on the vertical axis for each mounting machine 24 for each month. The equipment operating time is a value obtained by cumulatively adding a value obtained by multiplying the cycle time and the number of production for each manufacturing model. In November, the equipment operating time of the third mounting machine 24-3 is longer than in September and October. If no change is made to change the cycle time, this change can be attributed to a change in the number of production for each model. Since the balance of cycle time between facilities deteriorated in November, the placement time of parts mounted by each mounting machine 24 was reviewed, and the equipment operating time of the third mounting machine 24-3 in December was shortened. Has been. Further, as a method for improving the cycle time, in addition to reviewing the sharing among the mounting machines 24 with respect to the components to be mounted, it is conceivable to replace the mounting machine 24 with one having high performance. For example, it is also possible to predict a future equipment operation time based on the prediction of the number of production and to make a plan for capital investment based on the predicted value. In the future prediction of the example of FIG. 7, the equipment operating time of the fourth mounting machine 24-4 has increased. Here, the component mounting in charge of the fourth mounting machine 24-4 may be distributed to other mounting machines 24, or the fourth mounting machine 24-4 may be replaced with one having high performance.

As described above, when examining the cycle time of each facility, it is important to find a facility that becomes a bottleneck by performing a correlation analysis with the cycle times of other facilities. In addition, when the production line 2 is used to produce a plurality of types of products, it is important to consider the time taken for the preparation work when switching the products to be produced. Hereinafter, the operation when the data processing apparatus 1 analyzes the improvement object of the cycle time will be described.

FIG. 8 is a flowchart showing the operation of the data processing apparatus 1 shown in FIG. 3 for analyzing the improvement object of the cycle time.

The acquisition unit 11 acquires the cycle time for each device from the database 4 (step S101). When the production line 2 is used to manufacture a plurality of types of products, the acquisition unit 11 acquires the cycle time for each device for each type of product and inputs the acquired cycle time to the analysis unit 13. . The analysis unit 13 acquires device classification information from the storage unit 12 (step S102). The device classification information indicates that each device constituting the production line 2 is a dispersible device capable of distributing the processing in charge among a plurality of devices, or the processing in charge is distributed among the devices. Indicates whether the device cannot be distributed.

FIG. 9 is a diagram showing an example of the device classification information stored in the storage unit 12 shown in FIG. The device classification information includes a distributable / undistributable category indicating whether each facility is a dispersible device or a dispersible device. In this example, the value “0” of the dispersibility / non-distribution category indicates that the device cannot be distributed, and the value “1” of the dispersibility / non-distribution category indicates that the device is dispersible. The assigned process category is information indicating the type of process assigned to each facility. The device classification information in FIG. 9 indicates that the first mounting machine 24-1, the second mounting machine 24-2, the third mounting machine 24-3, and the fourth mounting machine 24-4 are dispersible devices. . In other words, in the example illustrated in FIG. 9, the mounter 24 capable of distributing the processing load by changing the component in charge of mounting among the plurality of mounters 24 is used as a dispersible device. In the example illustrated in FIG. 9, all the mounting machines 24 are dispersible apparatuses, but some of the mounting machines 24 may be non-dispersible apparatuses. Since the sizes of the parts that can be picked up by the nozzles included in each of the plurality of mounting machines 24 may be different, it is not always possible to change the parts in charge of mounting among the plurality of mounting machines 24.

Returning to the explanation of FIG. The analysis unit 13 extracts dispersible devices based on the device classification information (step S103). When the apparatus classification information shown in FIG. 9 is used, the analysis unit 13 can distribute the first mounting machine 24-1, the second mounting machine 24-2, the third mounting machine 24-3, and the fourth mounting machine 24-4. Extract as a device.

Subsequently, the analysis unit 13 analyzes the cycle time and determines the limit time (step S104). The limit time is the shortest time that cannot be shortened beyond the cycle time of the production line 2. The analysis unit 13 determines the maximum cycle time among the cycle times of the non-dispersable devices as the limit time. The analysis unit 13 determines a limit time for each type of product to be manufactured.

The analysis unit 13 determines the cycle time to be improved based on the limit time and the cycle time (step S105). Specifically, the analysis unit 13 can set the cycle time having a value larger than the limit time in the cycle time of the dispersible device as an improvement target. The analysis unit 13 determines an improvement target for each type of product to be manufactured. There may be no cycle time greater than the limit time, or there may be multiple. When the plurality of cycle times have a value larger than the limit time, the analysis unit 13 may set the plurality of cycle times as an improvement target or may set the maximum cycle time as an improvement target. Alternatively, a predetermined number of cycle times from the larger one can be targeted for improvement.

The analysis unit 13 outputs information indicating the dispersible device, the limit time, and the cycle time to be improved to the display control unit 14 and writes the information to the storage unit 12. The display control unit 14 displays the cycle times for each apparatus side by side on the display screen, and highlights the cycle time to be improved (step S106).

FIG. 10 is a view showing a display screen 51 of the cycle time analysis result displayed by the data processing apparatus 1 shown in FIG. On the display screen 51, the number of productions and the cycle time of each device are arranged for each model of product to be manufactured. The display screen 51 includes net equipment operating time and a balance rate. The net equipment operating time is the cycle time of the production line 2 multiplied by the number of productions. The balance ratio is a value indicating variation in cycle time, and becomes smaller as the variation increases.

When displaying such a display screen 51, the acquisition unit 11 acquires the production number from the database 4. The analysis unit 13 sets the maximum cycle time as the cycle time of the production line 2 regardless of whether the device is a dispersible device or a non-dispersible device, and the value obtained by multiplying this value by the production number is the net equipment operation. Time. The analysis unit 13 calculates a total value obtained by summing up the cycle times of the respective devices and a value obtained by multiplying the cycle time of the production line 2 by the number of devices. Then, a value obtained by dividing the calculated total value by the value obtained by multiplying the cycle time of the production line 2 by the number of devices is defined as a balance ratio. In the model A in FIG. 10, the unit of the value obtained by multiplying the maximum cycle time 39 by the production number 2504 is converted from seconds to hours, and the net equipment operating time is 271 (Hr / month). Further, the balance ratio is about 56.1% by using a value 197 obtained by adding the cycle times of the respective devices and a value 351 obtained by multiplying the cycle time 39 of the production line 2 by the number of devices 9.

The display control unit 14 displays the cycle times of the devices side by side, and distinguishes and displays the cycle time of the dispersible device and the cycle time of the non-dispersible device. The display control unit 14 may highlight the improvement target cycle time and the limit time. In this case, it is desirable that the display control unit 14 highlights the cycle time to be improved and the limit time in an expressible manner. In the example of FIG. 10, the display control unit 14 indicates the color in the frame indicating the cycle time of the dispersible device in a color different from the color in the frame indicating the cycle time of the non-dispersible device, so that the cycle of the dispersible device is performed. The time and the cycle time of the non-distributable device are distinguished and displayed. Further, the display control unit 14 highlights the cycle time to be improved with a color within the frame, and highlights the limit time with a thick frame. The method of highlighting the display control unit 14 is not limited to the above example. The display control unit 14 may indicate the priority of improvement among a plurality of improvement targets. As described above, since the cycle time of a product with a large number of productions has a greater influence on the overall equipment operation time than the cycle time of a product with a small number of productions, the priority for improvement is also high. For this reason, in the example of FIG. 10, the display control unit 14 displays the number of productions and the cycle time for each type of product in an order according to the size of the production number. Further, the display control unit 14 displays the priority in parallel with the cycle time to be improved. Thereby, the user can easily grasp the priority of improvement while looking at the analysis result of the cycle time.

As described above, the example in which the data processing apparatus 1 analyzes the cycle time has been described. However, the data processing apparatus 1 uses the collected data to perform various analyzes in addition to the cycle time as shown in the following examples. It can be carried out.

FIG. 11 is a diagram for explaining a loss occurring in the production line 2 in the production management system 10 shown in FIG. There is a difference between the theoretical value of the equipment operation time calculated based on the cycle time and the equipment load time obtained by excluding the planned stop time from the equipment operation possible time. This difference includes equipment stop loss and performance loss. The theoretical value of the equipment operating time is obtained by cumulatively adding a value obtained by multiplying the theoretical value of the cycle time of the production line 2 by the number of productions for each product to be manufactured. The analysis unit 13 can also analyze the collected information and generate information indicating an equipment stop loss and a performance loss.

FIG. 12 is a diagram showing a display screen 52 that displays the analysis result for each production line shown in FIG. The display screen 52 includes a device configuration display area 521 indicating the devices constituting the first production line 2-1, a setup display region 522 indicating the implementation state of the setup, and a device display region 523 indicating the status of each device. . In the device display area 523-1, the state of the first mounting machine 24-1 is shown. In the device display area 523-2, the state of the second mounting machine 24-2 is shown. The detail buttons included in the device display area 523 are linked to a screen showing detailed information of each item indicating the state of the device. The analysis unit 13 analyzes information stored in the database 4 to generate information to be displayed, and the display control unit 14 displays the analysis result on the display screen 52. For example, the analysis unit 13 calculates the actual setup product ratio based on the planned setup time and the actual time actually taken for setup. The actual setup rate is the ratio of the actual time to the planned time of setup, and exceeds 100% when the actual time is larger than the planned time. The display control unit 14 generates and displays the display screen 52 by combining the information acquired from the database 4 and the analysis result of the analysis unit 13.

FIG. 13 is a diagram showing the setup when the product manufactured on the manufacturing line 2 shown in FIG. 1 is changed from the model A to the model B. The setup includes an external setup that can be performed without stopping the production line 2 and an internal setup that is performed after the production line 2 is stopped. The outer setup for manufacturing the model B is preferably performed within the time during which the model A is produced, and the inner setup is preferably performed in as short a time as possible. In the setup procedure shown in the upper part of FIG. 13, the external setup of the model B is not finished during the manufacture of the model A, and a waiting time is generated. For this reason, after the production of the model A is finished and the production line 2 is stopped, the production line outage period from the completion of the inner setup to the start of the production of the model B is long, and there is an equipment stop loss. I can say that. In order to shorten the production line stoppage period, a worker who starts the external setup of model B and implements the internal setup of model B so that the external setup of model B is completed before the manufacture of model A is completed. It is possible to increase the number of The analysis unit 13 can analyze the information indicating the implementation status of the setup and determine the time t1 at which the external setup of the model B is started and the number of workers who implement the internal setup of the model B. The display control unit 14 causes the display unit 15 to display the time t1 when the external setup of the model B determined by the analysis unit 13 is started and the number of workers performing the internal setup of the model B.

FIG. 14 is a diagram showing the occurrence of a stop event in the production line 2 shown in FIG. The analysis unit 13 can analyze the event log and analyze the occurrence time and stop time of the stop event. At this time, the analysis unit 13 can classify a temporary stop that can be recovered immediately and a device abnormality, which are minor problems that cannot be said to be a device failure. The display control unit 14 can display the display screen 53 indicating the stop time for each occurrence time, distinguishing between the temporary stop and the apparatus abnormality. The portion where the stop event is shown on the display screen 53 is linked to a screen displaying the details of the stop event.

FIG. 15 is a diagram showing a display screen 54 showing details of the stop event linked from the display screen 53 shown in FIG. When the portion indicated by the arrow in FIG. 14 is clicked, a display screen 54 shown in FIG. 15 is displayed. When the display control unit 14 acquires event information regarding the stop event from the database 4, the display control unit 14 generates a display screen 54 including the content of the stop event and information indicating the occurrence location, and displays the display screen 54 on the display screen. Thereby, the user viewing the display screen grasps the occurrence status of the stop event in time series on the display screen 53, and if there is a time when the stop event frequently occurs, displays the display screen 54 and displays the stop event. You can know the details. The details of the stop event include the place where the stop event occurred, so that if the stop event is repeated at the same place, the user can grasp that the need for maintenance of that place is high . In the example of the display screen 54, since stop events frequently occur at “place # 10”, it is considered that maintenance of this place is necessary. Thus, by displaying the display screen 53 and the display screen 54, the user can know the occurrence situation of equipment stop loss from various viewpoints.

FIG. 16 is a diagram showing a display screen 55 showing the occurrence status of performance mistakes in the production line 2 shown in FIG. 2 for each part. FIG. 17 is a diagram showing a display screen 56 showing the occurrence status of performance errors in the production line 2 shown in FIG. 2 for each nozzle. The acquisition unit 11 acquires performance error occurrence event information from the database 4 and inputs it to the analysis unit 13. Based on the performance error occurrence event information that has been input, the analysis unit 13 determines the number of suction mistakes in which the nozzles of the mounting machine 24 fail to suck the components for each component, and the recognition mistakes that cause the recognition of the sucked components to fail. Counts the number of times that the adsorbed component falls before it is mounted on the board, the number of mistakes that cannot be mounted on a predetermined location on the board, the number of times that the component is mounted on the board, and the error rate . The analysis unit 13 also counts the number of suction mistakes, the number of recognition mistakes, the number of drop mistakes, the number of installation mistakes, the number of installations, and the error rate for each nozzle. As a result, the display control unit 14 displays the display screen 55 using the number of suction mistakes, the number of recognition mistakes, the number of drop mistakes, the number of mounting mistakes, the number of mountings, and the error rate that the analysis unit 13 tabulates for each part. Generate and display. The display control unit 14 generates a display screen 56 using the number of adsorption mistakes, the number of recognition mistakes, the number of drop mistakes, the number of installation mistakes, the number of installations, and the error rate that the analysis unit 13 tabulates for each nozzle. indicate.

FIG. 18 is a diagram showing a display screen 57 for displaying an analysis result obtained by comparing a plurality of production lines 2 shown in FIG. This display screen 57 shows the number of component supply for each production line 2 and the component supply waiting time for each mounting machine 24. In the production line 2, when a part runs out, a waiting time may occur during the work of replenishing the part. The length of this waiting time varies depending on whether the work efficiency of each worker is good or bad, the number of times parts supply work occurs, the arrangement of workers, and the like. Whether the cause of the part-out waiting time, which is a performance loss, is a problem on the device side, a problem of the placement of workers, or a problem of good or bad work efficiency of workers, It is difficult to understand just by looking at the state. Therefore, the display control unit 14 displays the component supply waiting time along with the number of component supplies for the plurality of production lines 2. In the example of the display screen 57, the first production line 2-1 has more component supply times than the second production line 2-2, and the component supply waiting time is longer. In this case, the user who sees the display screen 57 can determine that the number of workers on the first production line 2-1 is insufficient, and can consider changing the personnel assignment of the workers. In addition, the third production line 2-3 has a longer component supply waiting time than the second production line 2-2, although the difference in the number of component supply is small. Here, if the number of workers on the second production line 2-2 is the same as the number of workers on the third production line 2-3, the work efficiency of the workers in charge of the third production line 2-3 is improved. It may be bad.

As described above, according to the data processing apparatus 1 of the present invention, it is possible to provide the user with various information that assists in improving the productivity of the production line 2. In addition, since the state of the production line 2 can be analyzed in real time, it becomes easy to grasp the state of the production line 2 in accordance with the operation status and the change in the production plan. In particular, when the production plan is finely adjusted according to changes in customer needs, the number of products manufactured using the production line 2 changes. When the number of production changes, the influence of the cycle time of the production line 2 on the overall equipment operation time increases, so it is important to improve the cycle time in accordance with the change in the number of production.

According to the data processing device 1, among the cycle times of a plurality of devices constituting the production line 2, the cycle time of the dispersible device and the cycle time of the non-dispersible device are displayed separately. For this reason, the time required for the user to determine whether or not the cycle time of each device can be improved can be shortened, and improvement in productivity can be assisted. Further, based on the limit time of the cycle time of the production line 2, it is determined whether or not each cycle time is an improvement target, and the improvement target cycle time is displayed in a discriminable state. For this reason, the user can know the cycle time that can shorten the cycle time of the entire production line 2 by improving the cycle time that can be improved, and the productivity can be easily improved.

According to the data processing device 1, the cycle time is analyzed using the device classification information indicating whether each device constituting the production line 2 is a dispersible device or a non-dispersible device. Then, the maximum cycle time among the cycle times of the non-dispersible apparatus is set as the limit time of the cycle time of the production line 2. Of the cycle time of the dispersible device, a cycle time longer than the limit time is determined as an improvement target and highlighted on the display screen. Therefore, even if the cycle time of the device is improved, the cycle time of the production line 2 is not affected, and the case where the cycle time of the production line 2 can be improved by improving the cycle time of the device is distinguished and grasped. It becomes possible. Therefore, it is possible to easily improve the loss due to the distribution of processing in charge among the devices constituting the production line 2.

Further, the display control unit 14 may highlight the limit time. Since the limit time is a target for shortening the cycle time to be improved, the user can make an improvement plan based on the limit time.

The display control unit 14 can also display the priority of a plurality of improvement target cycle times. Since the high priority indicates the influence on the overall equipment operation time, the user can efficiently reduce the knitting loss by improving from the cycle time having a high priority. .

The configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

In the above embodiment, the production line 2 performs the process of mounting the components on the board, but the present invention is not limited to such an example. The present invention can be applied to a production line 2 including a plurality of apparatuses that perform similar processing.

In the above embodiment, the case where the apparatus capable of distributing the processing is the four mounting machines 24, but the present invention is not limited to such an example. For example, if a plurality of printing inspection machines 23 and image inspection machines 26 are also arranged and the portions to be inspected are divided, the processing can be distributed to a plurality of apparatuses. Therefore, the present invention can also be applied when the apparatus capable of distributing processing is other than the mounting machine 24.

In the above-described embodiment, an example of the production line 2 including one group of apparatuses capable of distributing processing is shown, but the present invention is not limited to such an example. The technology of the present invention can be applied to a production line 2 including a plurality of groups of dispersible devices. Here, a group refers to a group of devices with the same processing. The production line 2 including a plurality of groups of dispersible devices, for example, has four mounting machines 24 that can disperse component mounting processes from each other and the inspection processing by dividing the inspection target portion. Is a production line 2 including two print inspection machines 23 capable of In this case, the display control unit 14 distinguishes and displays the cycle time of the dispersible device and the cycle time of the non-dispersible device, and distinguishes and displays each group of devices having the same processing type responsible for the dispersible device. May be. The display control unit 14 distinguishes and displays a device whose distribution availability category is “0” and a device whose distribution availability category is “1” shown in FIG. Can be displayed separately for each value. With this configuration, the user can easily grasp the combination of apparatuses that can distribute the processes in charge of each other even in the production line 2 including dispersible apparatuses of a plurality of groups. It becomes possible to easily improve the loss due to the distribution of the processing in charge among the constituting devices.

In the above embodiment, the data processing apparatus 1 analyzes the improvement object of the cycle time using the data collected by the data collection apparatus 3 from the production line 2, but the present invention is limited to such an example. Not. For example, the data processing device 1 may acquire a theoretical value of the cycle time from a control program that controls each device constituting the production line 2 and analyze the improvement object of the cycle time.

1 data processing device, 2 production line, 2-1 first production line, 2-2 second production line, 2-3 third production line, 3 data collection device, 4 database, 5 terminal, 11 acquisition unit, 12 storage Unit, 13 analysis unit, 14 display control unit, 15 display unit, 16 operation information acquisition unit, 17 process editing unit, 21 laser marker, 22 printing machine, 23 printing inspection machine, 24 mounting machine, 24-1 first mounting machine, 24-2 second mounting machine, 24-3 third mounting machine, 24-4 fourth mounting machine, 25 reflow furnace, 26 image inspection machine, 51, 52, 53, 54, 55, 56, 57 display screen, 91 Communication device, 92 display device, 93 input device, 94 memory, 95 processor.

Claims (9)

An acquisition unit that configures a production line and acquires the cycle time of each of a plurality of devices that execute a process in charge;
The cycle time of a non-dispersible device that cannot distribute the assigned process among a plurality of the devices, and the cycle of a dispersible device that can distribute the assigned process among the plurality of devices. A display control unit that displays time separately on the display screen;
A data processing apparatus comprising: Of the cycle times of the dispersible device, an analysis unit that determines the cycle time having a value larger than the limit time of the cycle time of the production line determined based on the cycle time of the non-dispersible device as an improvement target Further comprising
The display control unit determines the cycle time determined as the improvement target in a state where the cycle time of the dispersible device and the cycle time of the non-dispersible device are displayed on the display screen. The data processing apparatus according to claim 1, wherein the data processing apparatus is displayed in a possible state. The data processing apparatus according to claim 2, wherein the display control unit highlights the cycle time determined to be the improvement target. The data processing apparatus according to claim 1, wherein the display control unit highlights the cycle time of the limit time. The production line can be used to produce a plurality of types of products,
The acquisition unit acquires the cycle time for each type of the product,
The analysis unit obtains the number of production for each product type and analyzes the improvement target for each product type,
5. The data processing apparatus according to claim 2, wherein the display control unit displays the production quantity and the cycle time side by side for each type of the product. 6. The data processing apparatus according to claim 5, wherein the display control unit displays that the priority of improvement is higher as the cycle time of the product with a larger number of productions. 7. The data processing according to claim 5, wherein the display control unit displays the production number and the cycle time for each type of the product in an order according to the size of the production number. apparatus. The said display control part distinguishes and displays the said dispersible apparatus for every said group, when the said production line contains the dispersible apparatus of several groups from which a process in charge differs. The data processing device according to any one of claims. Data processing device
Obtaining a cycle time of each of a plurality of devices that constitute a production line and execute processing in charge;
Display of the cycle time of a non-dispersible device that cannot distribute the assigned process among a plurality of the devices and a dispersible device capable of distributing the assigned process among the plurality of devices. And a step of displaying the data separately on a screen.

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