JP2008102577A - Data tracking system for conveyance control - Google Patents
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 37
- 238000007689 inspection Methods 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 28
- 238000012546 transfer Methods 0.000 claims description 15
- 230000002950 deficient Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
本発明は、複数の搬送装置、処理装置、検査装置を有する生産ラインにおいて、生産ライン中を移動していくワークのトラッキングシステムに関するものであり、特に各ワークのトラッキングデータに搬送制御のための情報が含まれているトラッキングシステムに関する。 The present invention relates to a work tracking system that moves through a production line in a production line having a plurality of transfer devices, processing devices, and inspection devices. In particular, the tracking data of each work includes information for transfer control. Related to the tracking system.
従来から、製品の製造工場においては、ワークの搬送制御および移動監視、各装置からの処理実績データの収集を行うために、生産ライン中の各ワークの所在を追跡するトラッキングシステムが稼動している。 Conventionally, a tracking system that tracks the location of each workpiece in a production line has been operating in a product manufacturing plant in order to perform workpiece conveyance control and movement monitoring, and to collect processing performance data from each device. .
このようなトラッキングシステムには、生産ライン中のワークの現在位置を認識して、ワークの処理を指示および監視するラインコントローラと、各装置を直接制御する設備コントローラとを接続して構成されているものがある。 Such a tracking system is configured by connecting a line controller for recognizing the current position of a workpiece in the production line, instructing and monitoring the processing of the workpiece, and an equipment controller for directly controlling each device. There is something.
また、このトラッキングシステムで取り扱われるトラッキングデータには、ワークの処理結果や、欠陥情報等の処理実績データが含まれている。（例えば、特許文献１を参照。） The tracking data handled by this tracking system includes processing result data such as workpiece processing results and defect information. (For example, see Patent Document 1.)
上述のラインコントローラはワーク種別毎に定められている各装置の加工条件データを格納した加工パターンデータベースを備えており、ある品種のワークに対する各装置の加工条件を指示することが可能である。 The above-described line controller is provided with a machining pattern database that stores machining condition data of each device determined for each workpiece type, and can instruct the machining conditions of each device for a certain type of workpiece.
しかし、例えば、検査装置により品質異常が検知されたワーク単体を次工程の処理装置に搬送しない、あるいは再検査のため他の検査装置に搬送するといった、ワーク単体毎のその時点での状況に応じた搬送制御への対応が難しいといった問題がある。 However, depending on the situation at that time for each workpiece, for example, the workpiece alone in which quality abnormality is detected by the inspection device is not transferred to the processing device of the next process, or is transferred to another inspection device for re-inspection. There is a problem that it is difficult to cope with transport control.
本発明は、上記のような問題点に鑑みてなされたものであり、複数の搬送装置、処理装置、検査装置を有する生産ラインにおいて、ワーク単体毎の各時点での状況に応じた搬送制御を行うための、トラッキング方法およびトラッキングシステムを提供することを目的とする。 The present invention has been made in view of the above problems, and in a production line having a plurality of transfer devices, processing devices, and inspection devices, transfer control according to the situation at each time point for each work piece is performed. An object of the present invention is to provide a tracking method and a tracking system.
本発明において上記の目的を達成するために、まず請求項１記載の発明では複数の搬送装置、処理装置、検査装置を有する生産ラインにおいて、前記生産ライン中を移動していくワークのトラッキング方法であって、
前記生産ライン中の全装置が書込み及び参照可能な記憶手段に、各ワークのトラッキングデータを記憶し、
前記生産ライン中の全装置のそれぞれの装置制御手段が、各ワークのトラッキングデータを、前記記憶手段へ書き込みおよび参照し、
前記トラッキングデータには、少なくとも、各処理装置への各ワークの搬送の実施または不実施を指示する情報、および各検査装置への各ワークの搬送の実施または不実施を指示する情報が含まれることを特徴とするトラッキング方法としたものである。
In order to achieve the above object in the present invention, first, in the invention according to claim 1, in a production line having a plurality of transfer devices, processing devices, and inspection devices, a method for tracking a workpiece moving in the production line is used. There,
The tracking data of each workpiece is stored in a storage means that can be written and referred to by all devices in the production line,
Each device control means of all devices in the production line writes and references the tracking data of each workpiece to the storage means,
The tracking data includes at least information for instructing execution or non-execution of conveyance of each workpiece to each processing apparatus, and information for instructing execution or non-execution of conveyance of each workpiece to each inspection apparatus. The tracking method is characterized by the following.
複数の搬送装置、処理装置、検査装置を有する生産ラインにおいて、前記生産ライン中を移動していくワークのトラッキングシステムであって、
前記生産ライン中の全装置が書込み及び参照可能な、各ワークのトラッキングデータの記憶手段を備え、
前記生産ライン中の全装置は、各ワークのトラッキングデータを、前記記憶手段へ書き込みおよび参照する装置制御手段をそれぞれ備え、
前記トラッキングデータには、少なくとも、各処理装置への各ワークの搬送の実施または不実施を指示する情報、および各検査装置への各ワークの搬送の実施または不実施を指示する情報が含まれることを特徴とするトラッキングシステムである。
In a production line having a plurality of transfer devices, processing devices, and inspection devices, a work tracking system that moves through the production line,
A storage means for tracking data of each workpiece, which can be written and referred to by all devices in the production line,
All devices in the production line are each provided with device control means for writing and referring to the tracking data of each workpiece to the storage means,
The tracking data includes at least information for instructing execution or non-execution of conveyance of each workpiece to each processing apparatus, and information for instructing execution or non-execution of conveyance of each workpiece to each inspection apparatus. It is a tracking system characterized by.
本発明によれば、生産ライン内の各装置への搬送の実施または不実施の指示を含んだ搬送制御のための情報を、ワークごとのトラッキングデータ中に備えており、それら搬送制御のための情報は各装置において自由に書き換え可能なため、各ワークのその時点での状況に応じた、自在な搬送制御が可能となるという効果を奏する。 According to the present invention, information for carrying control including instructions for carrying out or not carrying to each device in the production line is provided in the tracking data for each workpiece, and Since the information can be freely rewritten in each apparatus, there is an effect that it is possible to freely control the conveyance according to the situation at the time of each work.
以下、図面を参照して、本発明を実施するための最良の形態の説明を行う。 The best mode for carrying out the present invention will be described below with reference to the drawings.
図１は、本発明によるトラッキングシステムを適用する生産ラインの一例を示す説明図である。生産ラインはワーク１０に対して所定の処理を行う処理装置１１ａ，１１ｂ、処理されたワークの搬送を担うコンベア等の搬送装置１２ａ，１２ｂ，１２ｃ、処理されたワークを検査する検査装置１３ａ、１３ｂ、１３ｃ等の複数の装置を有している。 FIG. 1 is an explanatory diagram showing an example of a production line to which a tracking system according to the present invention is applied. The production line includes processing devices 11a and 11b that perform predetermined processing on the workpiece 10, conveying devices 12a, 12b, and 12c such as conveyors that carry the processed workpiece, and inspection devices 13a and 13b that inspect the processed workpiece. , 13c and the like.
各処理装置、各搬送装置、各検査装置は、それぞれのワーク１０に付与された固有のワーク識別子（後述）を読み取る手段を持っていて各ワークの識別ができることが望ましいが、生産ラインへの各ワークの投入順序を厳密に管理することによる識別でもかまわない。 Each processing device, each transporting device, and each inspection device preferably has a means for reading a unique workpiece identifier (described later) assigned to each workpiece 10 so that each workpiece can be identified. Identification by strictly managing the order of workpiece input may be used.
図２に示すように、生産ラインを構成するそれぞれの装置は、動作を制御する動作制御機能と、データトラッキング等のシステム側の処理を行うシステム制御機能を備えた装置コントローラ２０により制御されている。生産ライン中の装置コントローラ２０は通信ネットワーク２５で相互に接続されており、さらに全ての装置コントローラ２０を管理しているマスターコントローラ２１にも接続されている。 As shown in FIG. 2, each device constituting the production line is controlled by a device controller 20 having an operation control function for controlling operations and a system control function for performing system-side processing such as data tracking. . The device controllers 20 in the production line are connected to each other via a communication network 25 and further connected to a master controller 21 that manages all the device controllers 20.
マスターコントローラ２１は、生産ライン中の全ての装置コントローラ２０から書き換えおよび参照可能な記憶手段２２を備えており、この記憶手段２２を用いて、搬送制御のためのデータトラッキングを行う。 The master controller 21 includes storage means 22 that can be rewritten and referred to from all the apparatus controllers 20 in the production line, and performs data tracking for transport control using the storage means 22.
記憶手段２２には、生産ライン中の各ワークのトラッキングデータ３０を記憶する領域が、生産ライン中のワークの在籍可能位置数分、用意されている。各装置コントローラ２０には、書き換えまたは参照の対象としたいワークのトラッキングデータ３０が記憶されている領域が割り当てられており、実際のワークの在籍位置に応じて、該当領域の書き換えや参照を行う。 In the storage means 22, areas for storing the tracking data 30 of each work in the production line are prepared for the number of positions where the work in the production line can be registered. Each device controller 20 is assigned an area in which the tracking data 30 of the work to be rewritten or referred is stored, and the corresponding area is rewritten or referred to according to the actual position of the work.
図３は、搬送制御のためのトラッキングデータ３０の一例を示したものである。トラッキングデータ３０中には、少なくとも、各ワークを識別するための固有のワーク識別子３１と、搬送制御情報３２が含まれている。 FIG. 3 shows an example of tracking data 30 for transport control. The tracking data 30 includes at least a unique work identifier 31 for identifying each work, and conveyance control information 32.
ここで、搬送制御情報３２の所定の桁を、あらかじめ生産ライン中の所定の位置に対応させておく。装置内でのワークの処理、移動、または装置間でのワークの移動が起こった場合に、装置コントローラ２０は、搬送制御情報３２中の該当する桁のデータ内容を書き換えるという作業を行う。 Here, a predetermined digit of the conveyance control information 32 is previously associated with a predetermined position in the production line. When processing or movement of a workpiece in the apparatus or movement of a workpiece between apparatuses occurs, the apparatus controller 20 performs an operation of rewriting the data content of the corresponding digit in the transfer control information 32.
例えば、図３に示したトラッキングデータ３０中の搬送制御情報３２では、検査装置１３ａへの搬入指示情報が桁３３に、検査装置１３ｂへの搬入指示情報が桁３４に、処理装置１１ｂへの搬入指示情報が桁３５に、検査装置１３ｃへの搬入指示情報が桁３６に、割り当てられている。 For example, in the conveyance control information 32 in the tracking data 30 shown in FIG. 3, the carry-in instruction information to the inspection device 13a is in the digit 33, the carry-in instruction information to the inspection device 13b is in the digit 34, and the carry-in information into the processing device 11b. The instruction information is assigned to the digit 35 and the carry-in instruction information to the inspection device 13c is assigned to the digit 36.
また、搬入指示情報は「０」または「１」で表され、その装置へ搬入する場合は「１」、搬入しない場合は「０」と取り決められているものとする。各ワークの生産ラインへの投入前には、加工工程上で搬入が必要な装置に搬入されるように、搬入指示情報が搬送制御情報３２の各桁に書き込まれているものとする。 Further, it is assumed that the carry-in instruction information is represented by “0” or “1”, and is “1” when carrying in the apparatus, and “0” when not carrying in. It is assumed that the loading instruction information is written in each digit of the conveyance control information 32 so that the workpiece is loaded into a device that needs to be loaded in the machining process before the workpiece is put into the production line.
図３の例では、処理装置１１ｂへの搬入指示情報を示す桁３５が、「１」となっているため、搬送装置１２ｂの装置コントローラは当該ワークを処理装置１１ｂへ搬送すると判断することができる。 In the example of FIG. 3, since the digit 35 indicating the carry-in instruction information to the processing apparatus 11b is “1”, the apparatus controller of the transfer apparatus 12b can determine to transfer the workpiece to the processing apparatus 11b. .
また、処理装置１１ｂの装置コントローラは、ワーク処理後、搬送装置１２ｂにワークを受け渡す際に、トラッキングデータ３０中の桁３５を「０」に書き換えることにより、自装置に処理済のワークが再度搬入されることを防止する。 In addition, when the device controller of the processing device 11b delivers the workpiece to the transfer device 12b after the workpiece processing, the workpiece 35 processed by the own device is again rewritten by rewriting the digit 35 in the tracking data 30 to “0”. Prevents being carried in.
次に、ワークによって搬入先の装置を変える場合について説明する。 Next, a case where the carry-in device is changed depending on the work will be described.
例えば、図１の検査装置１３ａで良品と判定されたワークは、検査装置１３ｂへは搬入されずに次工程へ行き、不良品と判定されたワークは検査装置１３ｂで再検査される、という生産ラインの場合について説明する。 For example, a work that is determined to be a non-defective product by the inspection device 13a of FIG. 1 goes to the next process without being carried into the inspection device 13b, and a work that is determined to be defective is re-inspected by the inspection device 13b. The case of a line will be described.
検査装置１３ａの装置コントローラは、あるワークの検査終了時に、まず桁３３を「０」と書き換えて、自装置に検査済のワークが再度搬入されないようにする。次に、検査装置１３ｂへの搬入指示情報を示す桁３４の書き換えを行うが、当該ワークの検査結果が良品であれば「０」を、不良品であれば「１」を書き込み、搬送装置１２ａへ受け渡す。 When the inspection of a certain work is completed, the apparatus controller of the inspection apparatus 13a first rewrites the digit 33 to “0” so that the inspected work is not carried into the apparatus again. Next, the digit 34 indicating the carry-in instruction information to the inspection device 13b is rewritten. If the inspection result of the workpiece is a non-defective product, "0" is written, and if the workpiece is defective, "1" is written. Hand over to.
そのワークを受け取った搬送装置１２ａは、桁３４の内容が「０」であれば検査装置１３ｂへの搬入は行わずに搬送装置１２ｂへ送り、「１」であれば検査装置１３ｂへの搬入を行う。 When the content of the digit 34 is “0”, the transfer device 12a that has received the workpiece sends it to the transfer device 12b without carrying it into the inspection device 13b, and if it is “1”, the transfer device 12a carries the load into the inspection device 13b. Do.
このようにすることにより、一つの搬送装置で、ワーク単体毎のその時点での状況に応じた搬送制御を行うことが可能となる。
By doing in this way, it becomes possible to perform the conveyance control according to the situation at the time of every single work with one conveyance device.
１０・・・ワーク
１１ａ・・・処理装置Ａ
１１ｂ・・・処理装置Ｂ
１２ａ・・・搬送装置Ａ
１２ｂ・・・搬送装置Ｂ
１２ｃ・・・搬送装置Ｃ
１３ａ・・・検査装置Ａ
１３ｂ・・・検査装置Ｂ
１３ｃ・・・検査装置Ｃ
２０・・・装置コントローラ
２１・・・マスターコントローラ
２２・・・記憶手段
２５・・・通信ネットワーク
３０・・・トラッキングデータ全体
３１・・・ワーク識別子
３２・・・搬送制御情報
３３・・・検査装置１３ａへの搬入指示を表す桁
３４・・・検査装置１３ｂへの搬入指示を表す桁
３５・・・処理装置１１ｂへの搬入指示を表す桁
３６・・・検査装置１３ｃへの搬入指示を表す桁
10 ... Work 11a ... Processing device A
11b ... Processing device B
12a ... Conveying device A
12b ... Conveyor B
12c ... Conveying device C
13a ... Inspection device A
13b ... Inspection device B
13c ... Inspection device C
20 ... device controller 21 ... master controller 22 ... storage means 25 ... communication network 30 ... tracking data 31 ... work identifier 32 ... transport control information 33 ... inspection device Digit 34 representing a carry-in instruction to 13a ... Digit 35 representing a carry-in instruction to the inspection apparatus 13b ... Digit 36 representing a carry-in instruction to the processing apparatus 11b ... Digit representing a carry-in instruction to the inspection apparatus 13c
Claims (2)
前記生産ライン中の全装置が書込み及び参照可能な記憶手段に、各ワークのトラッキングデータを記憶し、
前記生産ライン中の全装置のそれぞれの装置制御手段が、各ワークのトラッキングデータを、前記記憶手段へ書き込みおよび参照し、
前記トラッキングデータには、少なくとも、各処理装置への各ワークの搬送の実施または不実施を指示する情報、および各検査装置への各ワークの搬送の実施または不実施を指示する情報が含まれることを特徴とするトラッキング方法。 In a production line having a plurality of transfer devices, processing devices, and inspection devices, a method for tracking a workpiece that moves in the production line,
The tracking data of each workpiece is stored in a storage means that can be written and referred to by all devices in the production line,
Each device control means of all devices in the production line writes and references the tracking data of each workpiece to the storage means,
The tracking data includes at least information for instructing execution or non-execution of conveyance of each workpiece to each processing apparatus, and information for instructing execution or non-execution of conveyance of each workpiece to each inspection apparatus. A tracking method characterized by
前記生産ライン中の全装置が書込み及び参照可能な、各ワークのトラッキングデータの記憶手段を備え、
前記生産ライン中の全装置は、各ワークのトラッキングデータを、前記記憶手段へ書き込みおよび参照する装置制御手段をそれぞれ備え、
前記トラッキングデータには、少なくとも、各処理装置への各ワークの搬送の実施または不実施を指示する情報、および各検査装置への各ワークの搬送の実施または不実施を指示する情報が含まれることを特徴とするトラッキングシステム。 In a production line having a plurality of transfer devices, processing devices, and inspection devices, a work tracking system that moves through the production line,
A storage means for tracking data of each workpiece, which can be written and referred to by all devices in the production line,
All devices in the production line are each provided with device control means for writing and referring to the tracking data of each workpiece to the storage means,
The tracking data includes at least information for instructing execution or non-execution of conveyance of each workpiece to each processing apparatus, and information for instructing execution or non-execution of conveyance of each workpiece to each inspection apparatus. A tracking system characterized by
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010014593A (en) * | 2008-07-04 | 2010-01-21 | Renesas Technology Corp | Inspection method and manufacturing method of semiconductor device |
| JP7478448B2 (en) | 2019-01-10 | 2024-05-07 | インタ エスアールエル | Device with sensors for fluid analysis using acoustic waves |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0569925A (en) * | 1991-09-11 | 1993-03-23 | Brother Ind Ltd | Memory access controller in carrier system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0569925A (en) * | 1991-09-11 | 1993-03-23 | Brother Ind Ltd | Memory access controller in carrier system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010014593A (en) * | 2008-07-04 | 2010-01-21 | Renesas Technology Corp | Inspection method and manufacturing method of semiconductor device |
| JP7478448B2 (en) | 2019-01-10 | 2024-05-07 | インタ エスアールエル | Device with sensors for fluid analysis using acoustic waves |
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