CN106960268B

CN106960268B - Manufacturing process visualization device

Info

Publication number: CN106960268B
Application number: CN201610140377.6A
Authority: CN
Inventors: 徐廷莲; 方铉镇; 李昞勋; 赵哲亨
Original assignee: Hanwha Precision Machinery Co Ltd
Current assignee: Hanwha Precision Machinery Co Ltd
Priority date: 2016-01-12
Filing date: 2016-03-11
Publication date: 2021-01-01
Anticipated expiration: 2036-03-11
Also published as: CN106960268A; KR20170084612A; KR102672362B1

Abstract

The invention provides a manufacturing process visualization device. A manufacturing process visualization apparatus according to an embodiment of the present invention for solving the problem includes: a matching execution unit for matching product movement information of products moving in a plurality of production facilities constituting a manufacturing process flow line for each product; a screen display unit for displaying a flow chart obtained by imaging the matched product movement information and a process production information frame including the reliability of data; the reliability is a ratio of the number of products that can be produced to the maximum extent by aggregating the product movement information of the plurality of production apparatuses to the number of products that are put into the production line until the final production is completed, and all the product movement information matches each other.

Description

Manufacturing process visualization device

Technical Field

The present invention relates to a manufacturing process visualization apparatus, and more particularly, to a manufacturing process visualization apparatus that enables anyone to easily grasp the current state of a manufacturing process.

Background

In order to grasp the flow Of the manufacturing process, it is necessary to analyze various information such as operation status information Of equipment utilization, stoppage, and failure Of the production line, product production information, and numerical lob (line Of balancing) in combination.

In order to perform the analysis, it is necessary to have a recipe for analysis or to be executed by an operator having a lot of experience in the manufacturing process.

For this reason, attempts have been made to present the manufacturing process in a visual form. Gantt chart (gauntchart) has been used to present production plans and actuations to charts for process management. Recently, as a form of evolution of the gantt chart, the gantt chart is outputted to a display device.

The gantt chart is a chart created by using two factors of purpose and time. Generally, the graph is often used to manage processes in a production process that manufactures a product through a production facility. The gantt chart has an advantage that the plan and the actual results are recorded on the chart at the same time and can be displayed simply and clearly.

However, the gantt chart is limited in expressing the change of the manufacturing process, and thus cannot precisely show the progress of the process. Moreover, since the gantt chart does not clearly show the organic relationship between the respective operations, it is difficult for a process of an Inline (Inline) production system such as an smt (surface Mount technology) process to grasp information of a plurality of PCB substrates during production and the association status between devices.

Further, there is a need for a system that allows a beginner to intuitively grasp the current status of a manufacturing process without the need for complex numerical analysis, that can not only provide information on the current status of the manufacturing process visually with a minimum of errors to roughly grasp the current status of the process, but that can also take immediate initiative in taking measures against various conditions such as process abnormalities.

Prior art documents

Patent document

U.S. published patent publication 2015-0149131(2015.05.28)

Disclosure of Invention

Solves the technical problem

The present invention is directed to a manufacturing process visualization device that enables a beginner to intuitively grasp the current state of a manufacturing process without deriving the information in a complicated numerical analysis manner, and that can not only provide information on the current state of the manufacturing process expressed in a visual manner with a minimum of errors to roughly grasp the current state of the manufacturing process, but also take immediate initiative in taking measures against various conditions such as process abnormality.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned above can be clearly understood by those skilled in the art from the following description.

Technical scheme for solving problems

A manufacturing process visualization apparatus according to an embodiment of the present invention for solving the above-described problems includes: a matching execution unit for matching product movement information of products moving in a plurality of production facilities constituting a manufacturing process flow line for each product; a screen display unit for displaying a flow chart (flow line chart) for schematizing the matched product movement information and a process production information frame including reliability of data; the reliability is a ratio of the number of products that can be produced to the maximum extent by aggregating the product movement information of the plurality of production apparatuses to the number of products that are put into the production line until the final production is completed, and all the product movement information matches each other.

Other specific aspects of the present invention are included in the detailed description of the invention and the accompanying drawings.

Advantageous effects

According to the embodiments of the present invention, the present invention can exert at least the following effects.

The present status of the manufacturing process can be intuitively grasped by a beginner without the need of complicated numerical analysis, and not only can the present status information of the manufacturing process be visually expressed with a minimum number of errors to roughly grasp the present status of the process, but also various situations such as process abnormality can be immediately and actively taken.

The effects of the present invention are not limited to the above-described examples, and the present specification includes further diversified effects.

Drawings

Fig. 1 is a block diagram showing a manufacturing process visualization apparatus (1) according to an embodiment of the present invention.

Fig. 2 is a detailed block diagram showing more specifically the data receiving unit (10) of fig. 1.

Fig. 3 is a block diagram showing a manufacturing process visualization apparatus (1) according to an embodiment of the present invention.

Fig. 4 is a configuration diagram showing a flow chart (flow line chart) (125) according to an embodiment of the present invention.

FIG. 5 is an illustration of a manufacturing scenario illustrating production devices deployed in a manufacturing process pipeline according to one embodiment of the present invention.

Fig. 6 is an explanatory view illustrating a method of matching products by the matching execution unit (11) according to an embodiment of the present invention.

Fig. 7 is an explanatory diagram for explaining a matching rule executed by the matching execution unit (11) according to an embodiment of the present invention.

Fig. 8 is an exemplary view for explaining another matching rule executed by the matching execution unit (11) according to an embodiment of the present invention.

Fig. 9 is an explanatory diagram showing still another matching rule executed by the matching execution unit (11) of one embodiment of the present invention.

Fig. 10 is an explanatory diagram illustrating a screen structure output by the screen display unit (12) of one embodiment of the present invention.

Fig. 11 is a schematic diagram showing a case where a stop time and an interlock (interlock) are circled in a chart option box (127) displayed on the manufacturing process visualization apparatus according to the embodiment of the present invention.

Fig. 12 is a schematic view showing a case where "bad" is circled in a chart box (127) displayed on the manufacturing process visualization device according to the embodiment of the present invention.

Fig. 13 is a schematic diagram showing a case where the "detailed view" item is circled in the view detailed chart box (128b) displayed on the manufacturing process visualization apparatus according to the embodiment of the present invention.

Fig. 14 is a schematic diagram showing a case where a production quantity button displayed on the manufacturing progress visualization device according to the embodiment of the present invention is selected.

FIG. 15 is a diagrammatic view of a flow chart (125) illustrating an embodiment of the present invention.

Fig. 16 and 17 are schematic diagrams showing an embodiment of reliability according to an embodiment of the present invention.

Detailed Description

The advantages, features and methods of accomplishing the same will become apparent from the following detailed description of the embodiments when taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and the present invention can be implemented in various forms, which are different from each other, and the embodiments are only for facilitating the complete disclosure of the present invention, and the main purpose of the present invention is to fully illustrate the scope of the present invention to those skilled in the art to which the present invention pertains, and the scope of the present invention is defined only by the claims. The same reference numerals are used throughout the specification to designate the same constituent elements.

Unless defined otherwise, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Unless a definition is explicitly given in the present application, the meaning of a term defined in a general dictionary must not be interpreted abnormally or excessively.

The terminology used in the description is for the purpose of describing the embodiments only and is not intended to be limiting of the invention. Unless specifically mentioned in a sentence, singular expressions also include plural cases. The use of "including" and/or "comprising" in the present specification does not exclude the presence of one or more other components or the addition of one or more other components in addition to the mentioned components.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The manufacturing process visualization device (1) is configured in such a manner that a beginner can intuitively grasp the current state of a manufacturing process without deriving the information in a complicated numerical analysis manner, and not only can provide the current state of the manufacturing process visually represented with a minimum of errors to roughly grasp the current state of the manufacturing process, but also can immediately and actively take measures against various conditions such as process abnormality.

That is, the manufacturing process visualization device (1) can display the production status of each product to be produced by using at least one or more production facilities and time arranged in a manufacturing process line as an axis, and allows a user such as an operator to intuitively grasp production information including process running status information such as facility, time, production model, operator, warning, facility stop, and the like on one output screen.

The manufacturing process visualization device (1) collects a plurality of pieces of distributed information on the production status to generate its own analysis and result information, and displays the finally derived information on an output screen as graphical information that can be intuitively grasped, so that the user can know the production status of the process line in real time without performing information analysis.

This means that not only can the production responsible person who can easily grasp the current situation of the process pipeline, but also the business class and the support department who cannot know the current situation and environment of the process pipeline in detail can easily analyze a lot of information of the current situation of the process pipeline from various business viewpoints and extract the required information individually.

In order to create a visual output of the progress of the manufacturing process pipeline, the time for the input and output of each equipment of the same product on the process pipeline needs to be connected.

Specifically, the manufacturing process visualization device (1) includes, as shown in fig. 1: a data receiving unit (10) for receiving device data from at least one production device of a manufacturing process line; a matching execution unit (11) for extracting product movement information of each product from the received device data, classifying the extracted product movement information by a specific product movement attribute corresponding to the manufacturing process flow line, and matching the product movement information showing the specific product movement attribute by using the integrated result of the classified product movement information; and a screen display unit (12) for displaying a flow chart (flow line chart) in which the matched product movement information is schematized.

Fig. 2 is a detailed block diagram showing more specifically the data reception unit (10) of fig. 1.

As shown in fig. 2, the data receiving unit (10) may include a tool controller module (101), a data acquiring module (102), a data classifying module (103), and a database (104).

A tool controller module (101) is a component that receives device data from each production device disposed on a manufacturing process line, and is preferably provided corresponding to each production device.

The production devices arranged in the manufacturing process line may all use the same brand, but may include different brands depending on the case. The data acquisition module (102) may perform a function of processing device data provided by production devices of different brands into standardized data.

The data classification module (103) collects the data provided by the data acquisition module (102) after standardization and pre-classifies the collected data. For example, the data classification module (103) applies the data provided by the data acquisition module (102) to a pre-classification reference set in advance. And then sub-classified into data that cannot be resolved because it contains errors and data that can be used to analyze production status.

The data that contains errors and cannot be analyzed may be data that does not conform to the standardized data format or data that cannot be interpreted due to a part of the data being damaged during the data transmission process.

The data that is differentiated by the data classification module (103) as being usable for analyzing the production situation is saved to the database (104).

As shown in FIG. 3, the matching execution unit 11 creates a flow chart 125 of a manufacturing process line based on the device data supplied from the data reception unit 10, and supplies the created flow chart 125 to the screen display unit 12 to be displayed on the output screen.

In a manufacturing process line, products move through the line and undergo a manufacturing process via various manufacturing devices disposed on the line. For this purpose, a matching unit (11) matches the same product or a group of products predicted to be the same product among the plurality of products passing through, with each other, for each production facility.

The equipment data provided by the production equipment includes information on a plurality of products that are discharged after being put into the production equipment. For example, the equipment data may include first product record information as information that is discharged after a first product is put in, second product record information as information that is discharged after a second product is put in, and nth product record information as information that is discharged after an nth product is put in.

Also, the product record information may include a time of input of the product to the production apparatus, a time of discharge of the input product from the production apparatus, and model information of the product.

A matching execution unit (11) extracts product record information from equipment data provided by the production equipment and sorts the extracted product record information by specific product movement attributes corresponding to the manufacturing process pipeline.

Even if the same model is used, the products moving on the manufacturing process flow line can be distinguished. The particular product that can be differentiated as described above is moved in sequence through at least one production device arranged in the manufacturing process line. The time that the specific product is moved as described above stays in each production facility, the time spent in moving between production facilities, and the like are reflected in a form accumulated during the movement in the manufacturing process line. A particular product passing through a manufacturing process pipeline contains an attribute, which may be referred to as a movement history within the manufacturing process pipeline, which is defined as a particular product movement attribute for the manufacturing process pipeline.

That is, the matching execution unit (11) previously has specific product movement attribute information of the manufacturing process flow line or classifies the product record information by its operation result and creates product movement information showing the above specific product movement attribute by using its collection result.

The specific product movement attribute is information of product movement in an ideal case (for example, a product passes through a pipeline without any abnormality on a production site), and in contrast, the aforementioned product movement information means not an ideal data form but data formed after an actual product passes through each production device of a manufacturing process pipeline.

Fig. 4 is a configuration diagram showing a flow chart (125) according to an embodiment of the present invention.

As shown in fig. 4, a flow chart (125) is displayed on the screen display unit (12) according to an embodiment of the present invention. The flow chart (125) graphically displays the information of the product movement attribute of the manufacturing process flow line, so that a user can know the production situation of the flow line in real time through the flow chart (125) without analyzing the information. As shown in fig. 4, the flow chart (125) includes an axis in which information specifying at least one production facility included in the manufacturing process line is arranged in order and a time axis showing a process progress time. A matching execution unit (11) processes the product movement attribute information into a form that can be output to a screen display unit (12), and creates a flow chart (125). The screen display unit (12) receives the flow chart (125) having the outputtable form from the matching execution unit (11), and displays the received flow chart (125) on the screen.

The product movement information can be displayed to the screen display unit (12) by the method described earlier. The screen display unit (12) can display the time (A) when the product is input into the production equipment, the time (B) when the product is discharged by the production equipment, the difference (C) between the input time (A) and the discharge time (B), and the graphic inclination (D) of each equipment on the flow chart (125).

The following exemplifies a method of creating the above-described product movement information.

Fig. 5 is an explanatory view illustrating a manufacturing situation of production devices arranged on a manufacturing process line of one embodiment of the present invention, and fig. 6 is an explanatory view illustrating a method of matching products by the matching execution unit (11) of one embodiment of the present invention.

As shown in fig. 5, the number of products subjected to the production process differs among the production facilities as a result of the products being determined as defective products or being excluded for various reasons without being subjected to the production process while passing through the production facilities of the manufacturing process line.

Therefore, the matching execution unit (11) connects the input time and the discharge time of the product in time series on the basis of the equipment data provided by each production equipment, and is limited in visually displaying the same product after tracking its movement.

Thus, the match execution unit (11) includes components for tracking the movement of the same product in the manufacturing process stream with minimal errors.

The matching execution unit (11) may determine at least one of the following factors as a classification reference parameter when classifying the extracted product record information in correspondence with the specific product movement attribute: the production equipment comprises at least one of input time and discharge time, moving time between production equipment, time difference information between the production equipment, whether the time difference information is negative, whether the time difference information is within a preset error range relative to the average value of the time difference information, comparison information of the number of product moving pipelines and the total number of the production equipment based on the product moving information, whether the model of a product applicable to a manufacturing process pipeline is changed, whether extracted product record information is final data and the like.

Further, the matching execution unit (11) may further include a candidate pool of a classification reference parameter as to whether the production equipment is bypassed or not when the extracted product record information is classified in correspondence with the specific product movement attribute.

Thus, the matching execution unit (11) can execute a process combining the following logics (logic):

-connecting the product record information in a sequence on the basis of the time information provided by the respective production facility

-product record information connected to the next order when the time difference between production devices is negative

Skipping when the average value of the time difference between the production apparatuses deviates from a previously set error range

-in the matching result, the last remaining data is skipped

The number of product movement lines should be equal to or less than the total number of production plants

-skipping unprocessed data when changing the model number of a product produced by the manufacturing process pipeline

Time of connecting the bypassed device to the last device in time series (i.e. the cycle time is judged to be "0")

The matching execution unit (11) combines the above logics to realize the classification of the same product or predict the same product.

Furthermore, if the model and equipment information bypassed from the production equipment is not provided, the matching execution unit (11) may execute a process combining the following respective logics (logic).

-collecting the product model names produced by each production facility

-determining as reference equipment the device with the relatively largest number of types of model products

-determining as bypass equipment a device of a type of product model less than the reference equipment

-comparing the reference equipment with the bypass equipment to specify the bypass model

Determining whether to bypass or not and the bypass type for each production apparatus, and then connecting the time of the bypassed apparatus to the time of the last apparatus in time series based on the determination result (that is, the cycle time is judged to be "0")

A matching execution unit (11) combines the above logics so as to classify products entering and leaving from the respective production apparatuses into the same product or predict the same product.

The matching execution unit (11) can track the same product by product model. For example, as shown in a) of fig. 7, when the same model and product are matched in an ideal form without missing a product between the device (M1) and the device (M2), each product movement line is determined by time-series connection.

On the other hand, the product record information shown in B) of fig. 7 is that the a model product, the B model product, and the B model product are sequentially input and discharged to be produced in the equipment (M1), and on the contrary, the a model product, the B model product, and the B model product are sequentially input and discharged in the equipment (M2).

At this time, the second a-model product of the device (M1) can be treated as missing or extracted bad since it is found by comparing the model information that there is no corresponding product record information inside the device (M2).

Also, the first B model product of device (M1) may match the first B model product of device (M2), and the second B model product of device (M1) may match the second B model product of device (M2).

Moreover, when the third B model product of the device (M2) considers only the matching relationship with the device (M1), it can be treated as missing or extracted badly because there is no relevant product record information within the device (M1).

The respective product record information shown in c) of fig. 7 is that the a model product, the B model product, and the B model product are sequentially input and discharged to be produced on the device (M1), and on the contrary, the a model product, the B model product, and the B model product are sequentially input and discharged on the device (M2).

At this time, the fourth B-model product of the device (M1) can be treated as missing or extracted bad since it is found by comparing the model information that there is no corresponding product record information inside the device (M2).

Also, the second B model of the device (M1) may match the third B model of the device (M2), and the third B model of the device (M1) may match the fourth B model of the device (M2).

Moreover, when the second model a product of the device (M2) only considers the matching relationship with the device (M1), it can be treated as missing or extracted badly because there is no relevant product record information within the device (M1).

The respective product record information shown in d) of fig. 7 is that the a type product, the B type product, and the C type product are sequentially input and discharged to be produced on the device (M1), and on the contrary, the a type product, the C type product, and the C type product are sequentially input and discharged on the device (M2).

At this time, the second a model product and the third B model product of the device (M1) can be treated as missing or extracted badly because no corresponding product record information is found in the device (M2) by comparing the model information.

Also, the fourth C model product of device (M1) may match the second C model product of device (M2).

Moreover, when the third C model product and the fourth C model product of the device (M2) consider only the matching relationship of the device (M1), since there is no relevant product record information within the device (M1), it can be treated as missing or extracted badly.

As shown in fig. 8, the No.3 data of the second production apparatus may match the No.3 data of the third production apparatus as viewed in the product output order of the respective production apparatuses, but the third production apparatus is instead ahead of the second production apparatus in terms of time. That is, the time difference is negative. Also, the time difference is a negative number even when compared with the No.4 data of the third production apparatus. Therefore, the next candidate for matching of the No.3 data of the second production apparatus can be determined as the No.5 data of the third production apparatus.

As shown in fig. 9, the No.2 data of the first production apparatus and the No.3 data of the second production apparatus can be matched in chronological order, but the working time between the first production apparatus and the second production apparatus exceeds the error range of 30 seconds (1 minute 30 seconds) of the average value, and therefore the No.3 data of the first production apparatus can be determined as a candidate for matching. The error range is set by a user in advance and can be changed according to production equipment.

The product movement information may be created by matching products on the respective production apparatuses through the above-described process. And various information including the above-described product movement information may be displayed on the output screen as shown in fig. 10. A manufacturing process pipeline is formed on the pipeline search setting frame (121). When a user such as an operator selects a manufacturing process line to be checked in the line search setting frame 121, the contents of the selected manufacturing process line are displayed on an output screen.

A whole plant may not run only one manufacturing process line. Especially when the plant is not producing only a single product. However, since each manufacturing process line operates in an independent process, an operator may need to confirm the contents of any particular manufacturing process line. In this case, a plurality of manufacturing process lines need to be separated.

The above-mentioned time period for which the user needs to confirm may be input at the search time period setting block (122). As shown in fig. 10, the search time period setting frame (122) has two fields for recording dates, the first field can record the start date of the desired date and the second field can record the end date of the desired date. Although the operator can directly input the date in the first and second columns, when a specific icon is selected, the calendar appears and the date can be selected by the calendar. Or may be set at an initial stage so that a period of one week, two weeks, one month, or the like from now on can be selected. The present invention is not limited thereto, and a wide variety of methods can be used as long as a period can be input on the search period setting frame (122).

After a specific manufacturing process pipeline is selected in the pipeline search setting block 121 and a specific time period is input in the search time period setting block 122, process information of the selected manufacturing process pipeline in the time period is displayed on the output screen.

The process production information box (123) displays the product input amount, the product discharge amount, and the data reliability corresponding to the selected specific manufacturing process flow line in the inputted specific time period.

For example, when the specific manufacturing process line is an SMT process line, the product input amount refers to the number of PCB substrates that are input into the manufacturing process line without mounting any product, and the product discharge amount refers to the number of PCB substrates that are completed after the product is completely mounted on the input PCB substrates.

The product input amount and the product discharge amount may be different from each other. This is because there are many reasons that a defective product occurs during the production of a product, a part is missed during the movement of the line, a part of equipment in the production process line is faulty, and the like. Therefore, the concept of reliability is applied to determine the production efficiency of the manufacturing process line. The reliability is calculated as follows.

[ mathematical formula 1 ]

Here, the calculated number of PCBs means, preferably, the number of PCBs in which the inputted PCB and the discharged PCB are all matched, although it may be simply considered as the number of PCBs produced. As described above, the matching execution unit (11) matches the same product or a group of products predicted to be the same product among the plurality of products passing through with each other in accordance with each production facility. The number of PCBs in which the matching is achieved for all of the input PCBs and the output PCBs is defined as the calculated number of PCBs.

The maximum number of PCBs refers to the number assuming no defects or missing isochrones at all, i.e., the number of all matches of the input PCB and the discharged PCB. However, if there is no defect or omission, etc., the number of input PCBs and the number of discharged PCBs are the same. The maximum number of PCBs can be calculated as the number of PCBs invested.

The embodiments utilizing the above-described reliability will be described in detail later.

Equipment type blocks (124) indicate equipment running on the manufacturing process line, preferably, equipment arranged in the order in which the jobs were performed. Only the names of these equipment may be displayed, but the kind and image of the equipment may also be displayed as shown in fig. 10.

The flow chart (125) is the chart (chart) of fig. 4, which, as previously described, illustrates the input PCBs as they pass through the manufacturing process flow line until they are manufactured into finished PCBs, one PCB being shown by one line. The total consumption time and the consumption time of each equipment can be confirmed by the time (C) during which the product stays in the first production apparatus. Preferably, the color is the same when the PCBs are of the same model, and the color is different when the PCBs are of different models.

The production model box (126) can indicate which model the particular color in the flow chart (125) represents when the PCBs are of different models.

Details of the chart option box (127), the view detailed chart box (128), and the production number button (129) will be described later.

Fig. 11 is a schematic diagram showing a case where a stop time and interlock (interlock) is circled in a chart option box (127) displayed on the manufacturing process visualization apparatus according to the embodiment of the present invention.

The "stop time", "interlock", "fail", "operator", and the like can be selected in the chart option box (127). When they are selected, they are specifically displayed on the flow chart (125).

When the "stop time" item is circled in the chart option block (127a), the time at which the manufacturing process line stops is displayed in black circle pattern on the flow chart (125) as shown in fig. 11. The stop time is caused by an error in some of the plurality of production facilities constituting the production line, a failure in the movement of the product to be manufactured, or the like.

As shown in fig. 11, multiple stop times may occur. However, the stop time is displayed as a vertical line in a plurality of specific positions having a constant pitch on the horizontal axis. Also, the plurality of specific locations are located between a plurality of production facilities constituting the manufacturing process line. The reason for this is that when a stop time occurs in any particular production equipment, the stop time is displayed at the specific position immediately behind the production equipment to inform the user of which production equipment the stop time occurred.

When the user selects any one of the plurality of stop times formed on the flow chart (125), detailed information of the stop time is displayed as shown in fig. 11. The detailed information includes the correct date and time of occurrence of the stop time, the cause of occurrence of the stop time, and the like.

When the "interlock" item is circled in the chart item box (127a), the time when the manufacturing process line is interlocked is displayed in a white circle pattern on the flow chart (125) as shown in fig. 11. The reason why the interlock occurs is that a prior operation required for executing the manufacturing process line is not executed.

Representative ones of the prior jobs include: ID scanning of a screen printer, First-In First-Out (FIFO) of soldering paste, template (Stencil) management, temperature management of each area and the like. When the preliminary work is not performed, each production apparatus starts the interlock system and stops the production apparatus in order to prevent a production line failure in the manufacturing process or production of a defective PCB.

As shown in fig. 11, multiple interlocks may occur. However, as in the stop time, the interlock time is displayed along a line shown in the vertical direction at a plurality of specific points having a constant pitch on the horizontal axis.

When the user selects any one of the plurality of interlock times formed on the flow chart (125), detailed information of the interlock time is displayed as shown in fig. 11. The detailed information includes the correct date and time of the occurrence of the interlock time, the cause of the occurrence of the interlock time, and the like.

When the "bad" item is circled in the chart option block (127b), as shown in fig. 12, the time when the bad product occurs in the execution of the manufacturing process line is displayed in a quadrangular pattern on the flow chart (125). The above-mentioned defects occur due to a position error of the PCB substrate, a product arrangement error in the feeder, a suction error of the product by the mounting head, a shift of the mounting head during the movement, and the like.

As shown in fig. 12, a plurality of bad times may occur. However, as in the stop time, the failure occurrence time is displayed along a line shown in the vertical direction at a plurality of specific points having a constant pitch on the horizontal axis.

When the user selects any one of the plurality of failure occurrence times formed on the flow chart (125), detailed information of the failure occurrence time is displayed as shown in fig. 12. The detailed information includes the exact date and time of occurrence of the failure, the cause of occurrence of the failure, and the image of the product in which the failure occurred. Further, when the image of the product in which the defect has occurred is selected, the image is enlarged and displayed. The user can thus more carefully view the image of the defective product to help analyze the cause and find a solution.

As described above, when the stop time is circled on the flow chart (125), a black circle pattern is displayed, when the interlock is circled, a white circle pattern is displayed, and when the interlock is not circled, a quadrangle pattern is displayed. However, if the items of the chart (chart) option can be displayed on the flow chart (125), the pattern and color can be formed in a variety of ways.

Although not shown, the "operator" item may be selected in the chart option box (127). It is virtually impossible for a factory to have multiple manufacturing process lines and for a single operator to manage all of these manufacturing process lines. Moreover, even in a manufacturing process line, if a long time is required for the work, it is necessary to take the worker's turn to take charge of the manufacturing process line. If the "workers" item is selected in the chart options block (127), the date and time of responsibility and responsibility of which worker in the manufacturing process line is displayed. However, the present invention is not limited thereto, and various items may exist in the chart option box 127.

When the "review in detail" item is circled, as shown in fig. 13, the time length of each interval in the vertical axis of the flow chart (125) changes. That is, the time length per pitch is shortened in order to view the flow chart (125) in more detail, and the effect of enlarging the flow chart (125) can be exhibited.

As shown in fig. 13, a scroll bar is formed on one side of the flow chart (125). Since the time per pitch is shortened, all the jobs executed in the manufacturing process line in the entire time cannot be displayed simultaneously by the screen display unit (12). Therefore, it is possible to know to which time zone the flow chart (125) currently displayed on the screen display unit (12) belongs by the scroll bar. The scroll bar is used to change the time of the currently displayed flow chart (125) so that the flow chart (125) at other times can be viewed. Although not shown, the time length of each of the above-described pitches can be further changed. That is, the magnification of the flow chart (125) can be changed so that the user can set a desired time zone.

The "show all data" item may be selected at the view details table box (128 b). The item "display all data" will be described in detail later.

When the "production quantity button (129)" is selected, as shown in fig. 14, the production quantity is displayed for each production apparatus and each product model produced which constitute the manufacturing process line. As shown in fig. 14, it is possible to display a bar graph or a bar graph with the respective production apparatuses as the horizontal axis and the production number as the vertical axis. At this time, the product models produced can be distinguished by color. However, the present invention is not limited thereto, and various figures such as a circle figure and a line figure can be schematically displayed as long as the user can easily know the current situation of the production quantity.

As shown in fig. 14, a model selection frame capable of selecting a model of a product to be produced is formed at one side of the graph (graph). If the pattern is a bar chart or a bar chart with the horizontal axis of the respective production apparatuses and the vertical axis of the production quantities as described above, the product models produced need to be distinguished by colors. Therefore, it is preferable that the other models need to be removed from the pattern in order to easily compare only a part of the models of the produced products. Therefore, the user can check the number of the models after selecting only the model of the desired product in the model selection box. However, when the type or form of the graphic is changed, the model selection box may be changed to select another item without selecting a product model.

When the "production quantity button (129)" is selected, a new window is opened on the screen display unit (12a) to slightly shield the previously displayed content, as shown in fig. 14. However, the present invention is not limited thereto, and the present situation of the above-described production amount can be displayed by various methods.

As shown in fig. 14, the lower side of the graph illustrates the detailed data of the production amount. The above detailed data can be displayed in a table with the production apparatus as the horizontal axis and the product model number produced as the vertical axis. However, the present invention is not limited to this, and the detailed data may be displayed by various methods. Also, the graphics and data tables are preferably downloaded.

In order for the user to view the flow chart 125 and grasp the current status of the product manufacturing process line by means of the above description, the method of analyzing the flow chart 125 will be described below.

As shown in fig. 15, the flow chart (125) according to an embodiment of the present invention may include first graphic (graph) information (r) showing a product production style (pattern), second graphic (graph) information (r) showing a point where a factor inhibiting the production of a product occurs, and third graphic (graph) information (r) showing a section where the production of a product is stopped.

The first graphic information (r) is useful for intuitively understanding the lob (line Of balancing) and is capable Of easily grasping the production style (pattern) Of the manufacturing process line. As described above in fig. 2, the flow chart (125) includes an axis in which information on at least one production apparatus included in the manufacturing process line is arranged in order and a time axis showing the progress time of the process. The screen display unit (12) can display, on the flow chart (125), the time (A) at which the product is introduced into the production facility, the time (B) at which the product is discharged by the production facility, the difference (C) between the time (A) at which the product is introduced and the time (B) at which the product is discharged, and the inclination (D) of the pattern of each facility. Instructing the production equipment shafts to maintain a certain spacing. Therefore, the inclination varies with the time displayed on the time axis, and the user can analyze the flow chart (125) through the time axis.

The difference (C) between the moment of input (a) and the moment of discharge (B) represents the time during which the product is retained in the production plant. Therefore, a longer difference (C) between the time (a) of input and the time (B) of discharge indicates that the product stays in the production facility for a longer time, and a shorter difference (C) between the time (a) of input and the time (B) of discharge indicates that the product does not stay in the production facility for a longer time. The inclination (D) is steep when the difference (C) between the time (A) of charging and the time (B) of discharging is long, and the inclination (D) is gentle when the difference (C) between the time (A) of charging and the time (B) of discharging is short.

The second graphic information (c) may include reason information and detailed content information of factors hindering the production of the product. The second graphical information (c) occurs when the production facility, which has a comparatively gentle inclination (D), suddenly has a steep inclination (D).

If the inclination (D) is steep rather than parallel, the retention time of the product in the production equipment is too long, which means that the operation speed of the production equipment is remarkably reduced. May mean that the production equipment is stopped, interlocked and poor in product. When the user selects the second graphic information (II) through the screen display unit (12), the reason, the generation time, the generation equipment and the like which obstruct the production of the product can be displayed. Thus, the user can immediately plan a countermeasure for solving the problem, and can quickly solve the problem. Moreover, economic loss can be prevented by preventing the situation of hindering the production of the product, and time and labor consumed for solving the problem can be saved.

The third graphic information (c) shows that the inclination (D) is horizontal. The above-mentioned inclination (D) is very different from the one which is gentle in parallel, indicating that the product passes through the production apparatus too fast, and even if the inclination (D) is almost horizontal as in the third graphic information (c), indicating that no work is performed on the production apparatus. The user should check whether the production apparatus stops working and whether the working is normally performed.

As previously mentioned, the product input quantity may be different from the quantity of products produced, and therefore the reliability is calculated in order to determine the production efficiency of the manufacturing process line. As shown in fig. 16, the reliability is 49.55% which is a lower value. But no anomaly appears on the flow chart (125). The flow line of the flow chart (125) is formed only when the input product is finished. Therefore, the inputted product is not reflected on the flow chart (125) when it is defective or missing, and therefore, even if the reliability is low, there appears no abnormality on the flow chart (125). In this case, the user needs to know the current situation of the defective or missing product.

As shown in fig. 17, when the "display all data" item is selected in the review detail chart box (128c), the current states of the products that have been found to be defective or missing are all displayed on the screen display unit (12). The individual lines currently displayed by the flow chart (125) are lines showing the movement of the inserted products until they are finished. One pipeline corresponds to one product. However, as described above, the charged product cannot be completed completely due to the reasons such as the defect and the error. When the item "display all data" is selected, the product that has not been completed as the product is input and is not shown in the flow chart (125) in the pipeline is also displayed in the pipeline. But at this point the illustrated pipeline may appear on the flow chart (125) as a pattern of breaks in the middle of the line because it is not being made into a complete product. As shown in fig. 17, the upper part and the lower part of the flow chart (125) differ in the product model number due to the difference in the kind of the line. And the pipelines shown in the upper part are all connected from the left side end to the right side end of the flow chart (125). However, all the pipelines displayed in the lower part cannot be connected from the left end to the right end of the flow chart (125) and broken in the middle. This means that all of the products corresponding to the lower illustrated line are either not finished as bad or are missing. The user can easily find out the production equipment in which the production line is frequently broken in the midway. Further, the reason why the reliability is low is grasped by inspecting the production equipment in which stoppage, product failure, or omission often occurs.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The above-described embodiments are therefore to be considered in all respects as illustrative and not restrictive. The scope of the invention should be determined from the following claims. The true scope of the claims of the present invention should include all modifications and variations that may be derived from the claims and their equivalents.

Claims

1. A manufacturing process visualization device, comprising:

a matching execution unit for matching product movement information of products moving in a plurality of production facilities constituting a manufacturing process flow line for each product;

a screen display unit for displaying a flow chart obtained by imaging the matched product movement information and a process production information frame including the reliability of data;

the reliability is a ratio of the number of products that can be produced to the maximum extent by collecting the product movement information of the plurality of production apparatuses and the number of products that are put into the production line until the product movement information is finally produced,

wherein the matching performing unit matches the product movement information by each product by determining at least one of the following items as a classification reference parameter: the production line information processing method comprises the steps of obtaining at least one of input time and discharge time, moving time between production devices, time difference information between the production devices, whether the time difference information is negative or not, whether the time difference information is within a preset error range relative to an average value of the time difference information, comparison information of the number of product moving lines and the total number of the production devices based on the product moving information, whether a product model suitable for a manufacturing process line is changed or not and whether product record information is final data or not.

2. The manufacturing process visualization device according to claim 1,

the screen display unit further displays a chart option box which can selectively display the time when the plurality of production facilities stop, the time when the interlock occurs, and the time when the defective product is produced on the flow chart.

3. The manufacturing process visualization device according to claim 2,

when the time at which the plurality of production facilities are stopped is circled in the chart option box, the date, time, or reason of the stop is displayed on the flow chart.

4. The manufacturing process visualization device according to claim 2,

when the time when the interlock occurs in the plurality of production apparatuses is circled in the chart option box, the date, time, or reason of the occurrence of the interlock is displayed on the flow chart.

5. The manufacturing process visualization device according to claim 2,

when the chart option frame circles the time when the product moving in the plurality of production facilities has a failure, the date, time, or cause of the failure is displayed on the flow chart, and an image of the product having the failure is displayed.

6. The manufacturing process visualization device according to claim 5,

when the image of the product with the failure is selected, the image is magnified and displayed on the screen display unit.

7. The manufacturing process visualization device according to claim 2,

when the operator in charge of the plurality of production facilities is circled in the chart option box, the operator in charge of the manufacturing process line is displayed at a specific date and a specific time.

8. The manufacturing process visualization device according to claim 1,

the screen display unit also displays a view detailed chart frame capable of displaying the flow chart in an enlarged manner.

9. The manufacturing process visualization device according to claim 8,

if all data are selected and displayed in the detailed view table frame, the product movement information of the product which is put into the manufacturing process flow line but is not discharged is also schematized and displayed on the flow chart.

10. The manufacturing process visualization device according to claim 1,

the screen display unit also displays a production quantity button that graphically represents the production quantity for each production apparatus and the model of the product produced that make up the manufacturing process line.