JP2018118329A - Production line and opening/closing control method of intermediate shutter in production line - Google Patents

Production line and opening/closing control method of intermediate shutter in production line Download PDF

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JP2018118329A
JP2018118329A JP2017009585A JP2017009585A JP2018118329A JP 2018118329 A JP2018118329 A JP 2018118329A JP 2017009585 A JP2017009585 A JP 2017009585A JP 2017009585 A JP2017009585 A JP 2017009585A JP 2018118329 A JP2018118329 A JP 2018118329A
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JP6715194B2 (en
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近藤　幹雄
Mikio Kondo
幹雄 近藤
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Okuma Corp
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Okuma Machinery Works Ltd
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Abstract

PROBLEM TO BE SOLVED: To prevent intrusion of chips and cutting liquid from another machine base other than a machine base relevant to delivery of a workpiece at the conveyance of the workpiece.SOLUTION: In a production line L in which a plurality of machine bases 1, 1 having tables that can deliver a workpiece are arranged, a conveyance port 4 delivering the workpiece and an intermediate shutter 5 capable of opening/closing the conveyance port 4 are respectively provided between the adjacent machine bases 1, 1, the intermediate shutter 5 between the machine bases 1, 1 is opened at the conveyance of the workpiece from the machine base 1 in the previous step to the machine base 1 in the next step, and the workpiece is delivered by the table 2 through the conveyance port 4, at the conveyance of the workpiece, in the machine bases 1A, 1B relevant to delivery of the workpiece, the intermediate shutter 1A located on the further previous step side in the machine base 1A of the previous step and the intermediate shutter 5C located on the further next step side in the machine base 1B in the next step are both closed.SELECTED DRAWING: Figure 3

Description

本発明は、工作機械を複数台並べて形成され、隣接する２台の工作機械の間に、ワークを受け渡しするための搬送口と、当該搬送口を開閉動作する中間シャッタとを備えた生産ラインと、その生産ラインにおける中間シャッタの開閉制御方法とに関する。   The present invention comprises a production line that is formed by arranging a plurality of machine tools, and includes a transfer port for delivering a workpiece between two adjacent machine tools, and an intermediate shutter that opens and closes the transfer port. The present invention also relates to a method for controlling opening / closing of an intermediate shutter in the production line.

工作機械を複数台並べて生産ラインを構築する時、切削液や切粉が飛散することを防止するために、図５に示すように、隣接する機台１０，１０に、前工程側と次工程側との間でワークを受け渡しする搬送口１１，１１を設けると共に、その搬送口１１を開閉するシャッタ１２を設置することは一般的に行われる。
通常機台の間でワークを搬送するのは、ローダやロボット等の搬送装置１３であるが、個々の機台の加工完了を機に搬送装置１３が機内に入ってくるため、隣接機の状態を確認することはない。
一方、隣接する機台間に搬送装置を介在させずにワークの受け渡しを行う場合は、例えば特許文献１に開示されるような中間シャッタを両機台の間に設けて、中間シャッタの開動作によって開放させた搬送口を介して機台間で直接ワークを受け渡しすることも考えられる。 When a production line is constructed by arranging a plurality of machine tools, in order to prevent cutting fluid and chips from scattering, as shown in FIG. Generally, it is generally performed that the transfer ports 11 and 11 for delivering the workpiece to and from the side are provided and the shutter 12 for opening and closing the transfer port 11 is installed.
The workpieces are usually transferred between the machine bases by a transfer device 13 such as a loader or a robot. However, since the transfer device 13 enters the machine upon completion of processing of each machine base, Never confirm.
On the other hand, when transferring a workpiece without interposing a transfer device between adjacent machine bases, for example, an intermediate shutter as disclosed in Patent Document 1 is provided between both machine bases, and the intermediate shutter is opened. It is also conceivable to transfer the workpiece directly between the machines via the opened transfer port.

特開２００３−２３１０３５号公報JP 2003-231035 A

このような中間シャッタを用いた場合、ワークを渡す前工程の機台において、自身のさらに前工程側の搬送口が開いたままワークを渡したり、また、ワークを受け取る次工程の機台において、自身のさらに次工程側の搬送口が開いたままワークを受け取ったりすると、開放する搬送口を介して飛散した切粉や切削液が侵入し、ワークの受け渡し動作に悪影響を与えるおそれがある。   When such an intermediate shutter is used, in the machine of the previous process for transferring the work, the work is transferred while the conveyance port on the further previous process side is opened, or in the machine of the next process for receiving the work, If the workpiece is received while the conveyance port on the further next process side is open, chips and cutting fluid scattered through the opened conveyance port may enter and adversely affect the workpiece transfer operation.

そこで、本発明は、ワークの搬送時にワークの受け渡しに係る工作機械以外の他の工作機械からの切粉や切削液の侵入を防止することができる生産ラインと、生産ラインにおける中間シャッタの開閉制御方法とを提供することを目的としたものである。   Therefore, the present invention provides a production line capable of preventing intrusion of chips and cutting fluid from other machine tools other than the machine tool related to workpiece transfer during conveyance of the workpiece, and opening / closing control of an intermediate shutter in the production line It is intended to provide a method.

上記目的を達成するために、請求項１に記載の発明は、ワークの受け渡しが可能なテーブルを備えた工作機械が複数台並べられ、隣接する工作機械間には、ワークの受け渡しを行う搬送口と、当該搬送口を開閉可能な中間シャッタとがそれぞれ設けられて、前工程の工作機械から次工程の工作機械へのワークの搬送時には、両工作機械間の中間シャッタが開動作し、搬送口を介してテーブルによってワークの受け渡しが行われる生産ラインであって、
ワークの搬送時には、ワークの受け渡しに係る両工作機械において、前行程の工作機械におけるさらに前工程側に位置する中間シャッタと、次工程の工作機械におけるさらに次工程側に位置する中間シャッタとが、共に閉じた状態となることを特徴とする。
請求項２に記載の発明は、請求項１の構成において、中間シャッタは、隣接する工作機械間に１つずつ設けられて共有されることを特徴とする。
上記目的を達成するために、請求項３に記載の発明は、ワークの受け渡しが可能なテーブルを備えた工作機械が複数台並べられ、隣接する工作機械間には、ワークの受け渡しを行う搬送口と、当該搬送口を開閉可能な中間シャッタとがそれぞれ設けられて、前工程の工作機械から次工程の工作機械へのワークの搬送時には、両工作機械間の中間シャッタを開動作させ、搬送口を介してテーブルによってワークの受け渡しを行う生産ラインにおいて、中間シャッタを開閉制御する方法であって、
ワークの搬送時には、ワークの受け渡しに係る両工作機械において、前行程の工作機械におけるさらに前工程側に位置する中間シャッタと、次工程の工作機械におけるさらに次工程側に位置する中間シャッタとを、共に閉じた状態とすることを特徴とする。
請求項４に記載の発明は、請求項３の構成において、中間シャッタは、隣接する工作機械間に１つずつ設けられて共有されることを特徴とする。 In order to achieve the above-mentioned object, the invention according to claim 1 is characterized in that a plurality of machine tools provided with a table capable of transferring workpieces are arranged, and a transfer port for transferring workpieces between adjacent machine tools. And an intermediate shutter that can open and close the transfer port. When transferring a workpiece from the machine tool in the previous process to the machine tool in the next process, the intermediate shutter between the two machine tools opens, A production line in which workpieces are delivered by a table via
At the time of workpiece transfer, in both machine tools related to workpiece transfer, an intermediate shutter located on the further previous process side in the machine tool in the previous stroke, and an intermediate shutter located on the further next process side in the machine tool in the next process, Both are in a closed state.
According to a second aspect of the present invention, in the configuration of the first aspect, one intermediate shutter is provided and shared between adjacent machine tools.
In order to achieve the above object, a third aspect of the present invention is directed to a conveyance port in which a plurality of machine tools having a table capable of transferring workpieces are arranged, and workpieces are transferred between adjacent machine tools. And an intermediate shutter that can open and close the transfer port. When transferring a workpiece from the machine tool in the previous process to the machine tool in the next process, the intermediate shutter between the two machine tools is opened to transfer the transfer port. In a production line that transfers workpieces by means of a table via a method, the intermediate shutter is controlled to open and close,
At the time of workpiece transfer, in both machine tools related to workpiece transfer, an intermediate shutter positioned further on the previous process side in the machine tool of the previous stroke, and an intermediate shutter positioned further on the next process side of the machine tool in the next process, Both are in a closed state.
According to a fourth aspect of the present invention, in the configuration of the third aspect, one intermediate shutter is provided and shared between adjacent machine tools.

本発明によれば、ワークの受け渡しに係る工作機械よりも前工程又は次工程の工作機械から飛散する切粉や切削液の侵入を防止することができる。よって、切粉や切削液がワークの受け渡し動作に悪影響を及ぼすことを防止可能となる。   ADVANTAGE OF THE INVENTION According to this invention, the penetration | invasion of the chip and cutting fluid which are scattered from the machine tool of a front process or a next process rather than the machine tool which concerns on delivery of a workpiece | work can be prevented. Therefore, it becomes possible to prevent chips and cutting fluid from adversely affecting the workpiece transfer operation.

生産ラインの説明図である。It is explanatory drawing of a production line. ワークの加工及び搬送の流れを示すフローチャートである。It is a flowchart which shows the process of a workpiece | work and conveyance. 機台１Ａから機台１Ｂへのワークの受け渡しを示す説明図である。It is explanatory drawing which shows delivery of the workpiece | work from the machine base 1A to the machine base 1B. 機台１Ｂから機台１Ｃへのワークの受け渡しを示す説明図である。It is explanatory drawing which shows delivery of the workpiece | work from the machine base 1B to the machine base 1C. 従来の生産ラインの説明図である。It is explanatory drawing of the conventional production line.

以下、本発明の実施の形態を図面に基づいて説明する。
図１は、生産ラインＬの一例を示す説明図で、ここでは複数台並べられた工作機械である機台１，１・・（但し、区別する際には「１Ａ」「１Ｂ」「１Ｃ」・・と表記する。）によって生産ラインＬが形成される。左が上流（前工程側）、右が下流（次工程側）となる。各機台１では、ワークを固定すると共にワーク把持装置を備えてワークの受け渡しが可能なテーブル２をそれぞれ備えている。３は、各機台１のカバーで、各カバー３において左右に隣接する機台１，１側には、ワークの受け渡しを行うための搬送口４，４がそれぞれ形成されて、隣接する搬送口４，４間には、搬送口４，４に共有されて両搬送口４，４を同時に閉塞する中間シャッタ５，５・・（以下、区別する際には「５Ａ」「５Ｂ」「５Ｃ」・・と表記する。）が設けられている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory view showing an example of a production line L. Here, a plurality of machine tools 1, 1... (However, “1A”, “1B”, “1C” are used for distinction) The production line L is formed by. The left is upstream (previous process side), and the right is downstream (next process side). Each machine base 1 is provided with a table 2 for fixing a workpiece and including a workpiece gripping device and capable of transferring the workpiece. Reference numeral 3 denotes a cover of each machine base 1, and transport ports 4, 4 for transferring workpieces are formed on the machine bases 1, 1 side adjacent to the left and right in each cover 3. Intermediate shutters 5, 5... (Hereinafter referred to as “5A”, “5B”, “5C” when distinguished from each other) ···) is provided.

各機台１では、次工程側（ワークの排出側）の中間シャッタ５が、自身の制御装置で制御可能となっている。各中間シャッタ５は、図示しないエアシリンダで駆動され、開閉状態はエアシリンダに取り付けられた検出器により検出可能となっている。エアシリンダに供給されるエアは、電磁弁により各機台１の制御装置により供給・停止を制御可能となっている。   In each machine base 1, the intermediate shutter 5 on the next process side (work discharge side) can be controlled by its own control device. Each intermediate shutter 5 is driven by an air cylinder (not shown), and the open / close state can be detected by a detector attached to the air cylinder. The supply / stop of the air supplied to the air cylinder can be controlled by the control device of each machine base 1 by an electromagnetic valve.

以上の如く構成された生産ラインＬにおいて、機台１Ａ〜１Ｃでの加工及びワークの搬送の流れを、図２のフローチャートに基づき説明する。
まず、機台１Ａでの加工が完了すると、次工程に引き継ぐために、機台１Ａの制御装置は、次工程である機台１Ｂの制御装置に加工完了信号を送信する（ステップＡ−１）。
この加工完了信号を機台１Ｂが受信すると（ステップＢ−１でＹＥＳ）、機台１Ｂでは、次工程側の中間シャッタ５Ｃを閉じる若しくは閉じていることをエアシリンダに取り付けられた検出器の出力で確認する（ステップＢ−２）。確認後、機台１Ａの制御装置に対して中間シャッタ５Ｃが閉状態である旨の閉信号を送信する（ステップＢ−３）。 In the production line L configured as described above, the flow of processing and workpiece transfer in the machine bases 1A to 1C will be described based on the flowchart of FIG.
First, when processing on the machine base 1A is completed, the control device of the machine base 1A transmits a processing completion signal to the control device of the machine base 1B which is the next process in order to take over to the next process (step A-1). .
When the machine base 1B receives this processing completion signal (YES in step B-1), in the machine base 1B, the output of the detector attached to the air cylinder indicates that the intermediate shutter 5C on the next process side is closed or closed. (Step B-2). After confirmation, a close signal indicating that the intermediate shutter 5C is in the closed state is transmitted to the control device of the machine base 1A (step B-3).

一方、機台１Ａの制御装置は、前工程側の中間シャッタ５Ａが閉じていることを確認する（ステップＡ−２でＹＥＳ）と共に、機台１Ｂからの閉信号で中間シャッタ５Ｃが閉じていることを確認すると（ステップＡ−３でＹＥＳ）、自身の機台１Ａの電磁弁をエア供給状態に切り替えてエアシリンダにエアを供給し、次工程側の中間シャッタ５Ｂを開動作させて（ステップＡ−４）、開状態となったことを検出器で検出する。
この状態で機台１Ａのテーブル２は機台１Ｂ方向へ水平方向移動すると共に、テーブル２上面を機台１Ｂ側に向けるようにテーブル２を旋回させる。同時に機台１Ｂ側でも、テーブル２を機台１Ａ方向へ水平移動すると共にテーブル２上面を機台１Ａ側に向けるようにテーブル２を旋回させて、図３に示すように、搬送口４，４を介して機台１Ａからワークを払出し（ステップＡ−５）、機台１Ｂで受け取る（ステップＢ−４）。 On the other hand, the control device of the machine base 1A confirms that the intermediate shutter 5A on the previous process side is closed (YES in step A-2), and the intermediate shutter 5C is closed by a close signal from the machine base 1B. If it is confirmed (YES in step A-3), the solenoid valve of its own machine base 1A is switched to the air supply state, air is supplied to the air cylinder, and the intermediate shutter 5B on the next process side is opened (step) A-4) The detector is detected to be in the open state.
In this state, the table 2 of the machine base 1A moves in the horizontal direction toward the machine base 1B, and the table 2 is turned so that the upper surface of the table 2 faces the machine base 1B side. At the same time, on the side of the machine base 1B, the table 2 is horizontally moved in the direction of the machine base 1A, and the table 2 is turned so that the upper surface of the table 2 faces the machine base 1A side. Then, the workpiece is paid out from the machine base 1A (step A-5) and received by the machine base 1B (step B-4).

ワークを払い出した機台１Ａの制御装置は、中間シャッタ５Ｂを閉じ（ステップＡ−６）、閉じていることを示す閉信号を機台１Ｂの制御装置に送る（ステップＡ−７）。
機台１Ｂでは、中間シャッタ５Ｂの閉信号を確認すると（ステップＢ−５でＹＥＳ）、両側の中間シャッタ５Ｂ，５Ｃが閉じられていることから加工開始可能な状態となるので、加工を行う（ステップＢ−６） The control device of the machine base 1A that has paid out the workpiece closes the intermediate shutter 5B (step A-6), and sends a close signal indicating the close to the control device of the machine base 1B (step A-7).
In the machine base 1B, when the closing signal of the intermediate shutter 5B is confirmed (YES in step B-5), since the intermediate shutters 5B and 5C on both sides are closed, the processing can be started, and processing is performed ( Step B-6)

機台１Ｂでの加工が完了すると、次工程に引き継ぐために、機台１Ｂの制御装置は、次工程である機台１Ｃの制御装置に加工完了信号を送信する（ステップＢ−７）。
この加工完了信号を機台１Ｃが受信すると（ステップＣ−１）、機台１Ｃでは、次工程側の中間シャッタ５Ｄを閉じる若しくは閉じていることをエアシリンダに取り付けられた検出器の出力で確認する（ステップＣ−２）。確認後、機台１Ｂの制御装置に対して中間シャッタ５Ｄが閉状態である旨の閉信号を送信する（ステップＣ−３）。 When processing on the machine base 1B is completed, the control device of the machine base 1B transmits a processing completion signal to the control device of the machine base 1C which is the next process in order to take over to the next process (step B-7).
When the machine completion signal is received by the machine base 1C (step C-1), the machine base 1C confirms that the intermediate shutter 5D on the next process side is closed or closed by the output of the detector attached to the air cylinder. (Step C-2). After confirmation, a close signal indicating that the intermediate shutter 5D is in the closed state is transmitted to the control device of the machine base 1B (step C-3).

一方、機台１Ｂの制御装置は、前工程側の中間シャッタ５Ｂが閉じていることを確認する（ステップＢ−８でＹＥＳ）と共に、機台１Ｃからの閉信号で中間シャッタ５Ｄが閉じていることを確認すると（ステップＢ−９でＹＥＳ）、自身の機台１Ｂの電磁弁をエア供給状態に切り替えてエアシリンダにエアを供給し、次工程側の中間シャッタ５Ｃを開動作させて（ステップＢ−１０）、開状態となったことを検出器で検出する。
この状態で機台１Ｂのテーブル２は機台１Ｃ方向へ水平方向移動すると共に、テーブル２上面を機台１Ｃ側に向けるようにテーブル２を旋回させる。同時に機台１Ｃ側でも、テーブル２を機台１Ｂ方向へ水平移動すると共にテーブル２上面を機台１Ｂ側に向けるようにテーブル２を旋回させて、図４に示すように、搬送口４，４を介して機台１Ｂからワークを払出し（ステップＢ−１１）、機台１Ｃで受け取る（ステップＣ−４）。 On the other hand, the control device of the machine base 1B confirms that the intermediate shutter 5B on the previous process side is closed (YES in step B-8), and the intermediate shutter 5D is closed by a close signal from the machine base 1C. If it is confirmed (YES in step B-9), the solenoid valve of its own machine base 1B is switched to the air supply state, air is supplied to the air cylinder, and the intermediate shutter 5C on the next process side is opened (step) B-10) A detector detects that it is in the open state.
In this state, the table 2 of the machine base 1B moves in the horizontal direction toward the machine base 1C, and the table 2 is turned so that the upper surface of the table 2 faces the machine base 1C side. At the same time, on the machine base 1C side, the table 2 is moved horizontally in the direction of the machine base 1B, and the table 2 is turned so that the upper surface of the table 2 faces the machine base 1B side. As shown in FIG. Then, the workpiece is paid out from the machine base 1B (step B-11) and received by the machine base 1C (step C-4).

ワークを払い出した機台１Ｂの制御装置は、中間シャッタ５Ｃを閉じ（ステップＢ−１２）、閉じていることを示す閉信号を機台１Ｃの制御装置に送る（ステップＢ−１３）。
機台１Ｃでは、中間シャッタ５Ｃの閉信号を確認すると（ステップＣ−５でＹＥＳ）、両側の中間シャッタ５Ｃ，５Ｄが閉じられていることから加工開始可能な状態となるので、加工を行う（ステップＣ−６）。以下、同様の流れで中間シャッタ５の開閉制御が行われる。 The control device of the machine base 1B that has paid out the work closes the intermediate shutter 5C (step B-12), and sends a close signal indicating the close to the control device of the machine base 1C (step B-13).
In the machine base 1C, when the closing signal of the intermediate shutter 5C is confirmed (YES in Step C-5), since the intermediate shutters 5C and 5D on both sides are closed, the processing can be started, and processing is performed ( Step C-6). Thereafter, the opening / closing control of the intermediate shutter 5 is performed in the same flow.

このように、上記形態の生産ラインＬ及び中間シャッタ５の開閉制御方法によれば、ワークの搬送時には、ワークの受け渡しに係る両機台１，１において、前行程の機台１におけるさらに前工程側に位置する中間シャッタ５と、次工程の機台１におけるさらに次工程側に位置する中間シャッタ５とを、共に閉じた状態とするので、ワークの受け渡しに係る機台１，１よりも前工程又は次工程の機台１から飛散する切粉や切削液の侵入を防止することができる。よって、切粉や切削液がワークの受け渡し動作に悪影響を及ぼすことを防止可能となる。
特にここでは、中間シャッタ５を、隣接する機台１，１間に１つずつ設けて共有しているので、生産ラインが簡略化して開閉制御も簡単に行える。 As described above, according to the opening / closing control method of the production line L and the intermediate shutter 5 in the above-described form, when the workpiece is transported, in the two machine bases 1 and 1 related to the delivery of the work, the further process side in the machine base 1 in the previous stroke is further provided. Since the intermediate shutter 5 located at the intermediate stage 5 and the intermediate shutter 5 located further on the next process side of the machine base 1 in the next process are both closed, the process before the machine bases 1 and 1 related to the workpiece transfer is performed. Alternatively, it is possible to prevent chips and cutting fluid that are scattered from the machine base 1 in the next process from entering. Therefore, it becomes possible to prevent chips and cutting fluid from adversely affecting the workpiece transfer operation.
In particular, here, since the intermediate shutter 5 is provided one by one between the adjacent machine bases 1, 1, the production line is simplified and the opening / closing control can be easily performed.

なお、上記形態では、各機台の制御装置は次工程側の中間シャッタを開閉制御しているが、前工程側での中間シャッタでもよいし、１台置きの機台が両側の中間シャッタを開閉制御するようにしてもよい。また、機台の制御装置でなく外部の制御装置で全ての中間シャッタを開閉制御することも可能である。
さらに、上記形態では、隣接する機台間で中間シャッタを共有しているが、各機台ごとに専用の中間シャッタを設けても、同様の開閉制御は可能である。
その他、機台の数や受け渡し方向も上記形態に限らず、適宜変更可能である。 In the above embodiment, the control device of each machine base controls the opening and closing of the intermediate shutter on the next process side. However, an intermediate shutter on the previous process side may be used, and every other machine base has an intermediate shutter on both sides. Opening / closing control may be performed. It is also possible to control the opening and closing of all the intermediate shutters with an external control device instead of the machine base control device.
Further, in the above embodiment, the intermediate shutter is shared between the adjacent machines, but the same opening / closing control is possible even if a dedicated intermediate shutter is provided for each machine.
In addition, the number of machine bases and the delivery direction are not limited to the above forms, and can be changed as appropriate.

１・・機台、２・・テーブル、３・・カバー、４・・搬送口、５・・中間シャッタ、Ｌ・・生産ライン。   1 .... Machine stand, 2 .... Table, 3 .... Cover, 4 .... Transport port, 5 .... Intermediate shutter, L ... Production line.

Claims (4)

ワークの受け渡しが可能なテーブルを備えた工作機械が複数台並べられ、隣接する工作機械間には、ワークの受け渡しを行う搬送口と、当該搬送口を開閉可能な中間シャッタとがそれぞれ設けられて、前工程の前記工作機械から次工程の前記工作機械への前記ワークの搬送時には、両前記工作機械間の前記中間シャッタが開動作し、前記搬送口を介して前記テーブルによって前記ワークの受け渡しが行われる生産ラインであって、
前記ワークの搬送時には、前記ワークの受け渡しに係る両前記工作機械において、前行程の前記工作機械におけるさらに前工程側に位置する前記中間シャッタと、次工程の前記工作機械におけるさらに次工程側に位置する前記中間シャッタとが、共に閉じた状態となることを特徴とする生産ライン。 A plurality of machine tools provided with a table capable of transferring workpieces are arranged, and between adjacent machine tools, a transfer port for transferring workpieces and an intermediate shutter capable of opening and closing the transfer port are provided. When the work is transported from the machine tool in the previous process to the machine tool in the next process, the intermediate shutter between the machine tools is opened, and the work is transferred by the table through the transport port. A production line to be performed,
At the time of transporting the workpiece, in both the machine tools related to the delivery of the workpiece, the intermediate shutter positioned further on the previous process side in the machine tool in the previous stroke, and further positioned on the next process side in the machine tool in the next process A production line characterized in that both of the intermediate shutters are closed. 前記中間シャッタは、隣接する前記工作機械間に１つずつ設けられて共有されることを特徴とする請求項１に記載の生産ライン。   The production line according to claim 1, wherein one of the intermediate shutters is provided and shared between the adjacent machine tools. ワークの受け渡しが可能なテーブルを備えた工作機械が複数台並べられ、隣接する工作機械間には、ワークの受け渡しを行う搬送口と、当該搬送口を開閉可能な中間シャッタとがそれぞれ設けられて、前工程の前記工作機械から次工程の前記工作機械への前記ワークの搬送時には、両前記工作機械間の前記中間シャッタを開動作させ、前記搬送口を介して前記テーブルによって前記ワークの受け渡しを行う生産ラインにおいて、前記中間シャッタを開閉制御する方法であって、
前記ワークの搬送時には、前記ワークの受け渡しに係る両前記工作機械において、前行程の前記工作機械におけるさらに前工程側に位置する前記中間シャッタと、次工程の前記工作機械におけるさらに次工程側に位置する前記中間シャッタとを、共に閉じた状態とすることを特徴とする生産ラインにおける中間シャッタの開閉制御方法。 A plurality of machine tools provided with a table capable of transferring workpieces are arranged, and between adjacent machine tools, a transfer port for transferring workpieces and an intermediate shutter capable of opening and closing the transfer port are provided. When the work is transported from the machine tool in the previous process to the machine tool in the next process, the intermediate shutter between the machine tools is opened and the work is transferred by the table through the transport port. In the production line to be performed, a method for controlling the opening and closing of the intermediate shutter,
At the time of transporting the workpiece, in both the machine tools related to the delivery of the workpiece, the intermediate shutter positioned further on the previous process side in the machine tool in the previous stroke, and further positioned on the next process side in the machine tool in the next process An intermediate shutter opening / closing control method in a production line, wherein both the intermediate shutters are closed. 前記中間シャッタは、隣接する前記工作機械間に１つずつ設けられて共有されることを特徴とする請求項３に記載の生産ラインにおける中間シャッタの開閉制御方法。   4. The method for controlling the opening and closing of the intermediate shutter in the production line according to claim 3, wherein one of the intermediate shutters is provided and shared between the adjacent machine tools.
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