JP5713799B2 - Substrate conveyance control method and substrate conveyance control device for component mounting line - Google Patents

Substrate conveyance control method and substrate conveyance control device for component mounting line Download PDF

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JP5713799B2
JP5713799B2 JP2011117514A JP2011117514A JP5713799B2 JP 5713799 B2 JP5713799 B2 JP 5713799B2 JP 2011117514 A JP2011117514 A JP 2011117514A JP 2011117514 A JP2011117514 A JP 2011117514A JP 5713799 B2 JP5713799 B2 JP 5713799B2
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substrate
component
protruding
amount
mounting
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JP2012248585A (en
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清水 浩二
浩二 清水
朗 原
朗 原
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Fuji Corp
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Fuji Machine Manufacturing Co Ltd
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Description

本発明は、複数台の部品実装機を直列に配置した部品実装ラインの基板搬送制御方法および基板搬送制御装置に関し、より詳細には、基板端部から部品がはみ出しているはみ出し基板の停止位置制御に関する。   The present invention relates to a substrate transfer control method and a substrate transfer control device for a component mounting line in which a plurality of component mounters are arranged in series. More specifically, the present invention relates to a stop position control of an extended substrate in which components protrude from an end of a substrate. About.

多数の部品が実装された基板を生産する基板生産機として、はんだ印刷機、部品実装機、リフロー機、基板検査機などがあり、これらを基板搬送装置で連結して基板生産ラインを構築することが一般的になっている。さらに、モジュール化された複数台の部品実装機を直列に配置して部品実装ラインを構成する場合も多い。基板搬送装置は、これらの基板生産機の間で基板を順次受け渡すとともに、基板生産機の内部で基板を搬送して所定位置に停止させる役割を担っている。この種の基板搬送装置では、搬送経路に沿って輪転するコンベアベルト上に基板を載置して搬送するのが一般的である。また、所定位置に基板を停止させる制御方法として、搬送経路の途中に設けられた基板センサが基板端部を検出してから所定距離だけ搬送する方法がある。   There are solder printing machines, component mounting machines, reflow machines, board inspection machines, etc., as board production machines that produce boards with a large number of components mounted on them. Has become commonplace. Further, there are many cases where a component mounting line is configured by arranging a plurality of modular component mounting machines in series. The substrate transfer apparatus sequentially transfers the substrates between these substrate production machines, and plays a role of conveying the substrates inside the substrate production machines and stopping them at a predetermined position. In this type of substrate transport apparatus, the substrate is generally placed and transported on a conveyor belt that rotates along a transport path. Further, as a control method for stopping the substrate at a predetermined position, there is a method of transporting a predetermined distance after a substrate sensor provided in the middle of the transport path detects the end of the substrate.

この基板搬送制御方法では、部品が基板端部からはみ出して実装されてみかけの基板全長が増加する場合に、基板を所定位置に停止させることが困難になる問題が生じる。例えば、上流側の部品実装機でコネクタ部品が基板の上流側端部からはみ出して実装され下流側の部品実装機に搬入される場合に、基板センサが基板の上流側端部を検出するものであると、コネクタ部品の上流側端部を基板の上流側端部として検出するため、はみ出し量だけ位置検出誤差が生じる。この結果、所定の実装位置に基板を停止させることができなくなり、マークカメラによる基板上の基準マークの読み取りや部品移載装置による部品の実装などを実施できなくなるおそれが生じる。   In this board transfer control method, there is a problem that it is difficult to stop the board at a predetermined position when the parts are mounted so as to protrude from the edge of the board and the total board length increases. For example, when a connector component protrudes from an upstream end of a board and is mounted on a downstream component mounter by an upstream component mounter, the board sensor detects the upstream end of the board. In this case, since the upstream end of the connector component is detected as the upstream end of the board, a position detection error is generated by the amount of protrusion. As a result, the board cannot be stopped at a predetermined mounting position, and there is a possibility that reading of the reference mark on the board by the mark camera or mounting of the component by the component transfer device cannot be performed.

また、実装位置で部品の実装を終了した後に下流側の部品実装機の直前の待機位置まで予め基板を搬送しておくことにより搬送所要時間を短縮する搬送制御方法においても、はみ出し基板では問題が生じる。つまり、実装された部品が基板の下流側端部からはみ出していると、実装位置から待機位置までの所定距離を搬送した時点で部品が待機位置よりも下流側に突出するため、待機位置を越えて搬送されたオーバーランと判定され、搬送異常になってしまう。   Also, in the transfer control method that shortens the required transfer time by transferring the board in advance to the standby position immediately before the component mounting machine on the downstream side after completing the mounting of the component at the mounting position, there is a problem with the protruding board. Arise. In other words, if the mounted component protrudes from the downstream end of the board, the component will protrude downstream from the standby position when transporting a predetermined distance from the mounting position to the standby position. It is determined that the overrun was transported and the transport becomes abnormal.

このような問題に対して基板の停止位置を制御する精度を維持・向上する技術の一例が、特許文献1の回路基板加工機の回路基板検出方法および装置に開示されている。特許文献1の回路基板検出方法は、拡散光を照射して基板からの反射光を検出する第1の基板検出センサと、収束光を照射して基板からの反射光を検出する第2の基板検出センサとを配設し、回路基板の種類に応じていずれかのセンサを選択的に切り替えて使用するようになっている。これにより、例えばミシン目や切り欠きを有する複数枚基板や種々の電子部品が実装済みとなった回路基板に対しても、検出精度の信頼性を向上できる、とされている。   An example of a technique for maintaining and improving the accuracy of controlling the stop position of the substrate for such a problem is disclosed in a circuit board detection method and apparatus for a circuit board processing machine disclosed in Patent Document 1. The circuit board detection method disclosed in Patent Document 1 includes a first board detection sensor that irradiates diffused light and detects reflected light from the board, and a second board that radiates convergent light and detects reflected light from the board. A detection sensor is provided, and one of the sensors is selectively switched depending on the type of the circuit board. Thereby, for example, it is said that the reliability of detection accuracy can be improved even for a circuit board on which a plurality of substrates having perforations and notches and various electronic components are already mounted.

特開2003−31991号公報JP 2003-31991 A

ところで、特許文献1の方法は、拡散光と収束光とを使い分けることで検出精度を高めている。例えば、ミシン目や切り欠きを収束光が通過して反射しないことや、実装済みの部品の表面状態により拡散光の反射量が変化することに起因する基板端部の誤検出を防止している。しかしながら、この方法は、実装された部品が基板端部からはみ出る場合にまでは対応していない。生産する基板の種類に依存してはみ出す部品の種類やはみ出し量(はみ出し長さ)、はみ出し幅が変化し得ることを考慮すると、拡散光と収束光との使い分けだけで本来の基板端部を正確に検出することは困難である。したがって、基板を所定位置に正確に停止させることが困難になる。また、特許文献1の方法は、複数種類のセンサおよびそれらの選択制御手段が必要であり、コストが高いという問題点がある。   By the way, the method of patent document 1 raises detection accuracy by using diffused light and convergent light properly. For example, it prevents false detection of the substrate edge due to the fact that convergent light does not pass through perforations or notches and does not reflect, or the amount of reflected diffuse light changes due to the surface state of the mounted components. . However, this method does not correspond to the case where the mounted component protrudes from the end of the board. Considering that the type of protruding part, the protruding amount (extended length), and the protruding width may vary depending on the type of board to be produced, the original board edge can be accurately determined only by selectively using diffused light and convergent light. It is difficult to detect. Therefore, it becomes difficult to accurately stop the substrate at a predetermined position. Further, the method of Patent Document 1 requires a plurality of types of sensors and their selection control means, and has a problem that the cost is high.

前述の実装位置や待機位置へ基板を停止させる制御では、或る部品実装機で基板の上流側端部または下流側端部からはみ出す部品が実装されたことおよびそのはみ出し量を確実に下流側の部品実装機に伝達し、停止位置制御に反映する必要がある。   In the control for stopping the board to the mounting position or the standby position described above, it is confirmed that a component that protrudes from the upstream end or downstream end of the board is mounted on a certain component mounting machine, and that the amount of protrusion is surely reduced on the downstream side. It is necessary to transmit it to the component mounting machine and reflect it in the stop position control.

本発明は、上記背景技術の問題点に鑑みてなされたもので、上流側の部品実装機で部品が基板端部からはみ出るように実装されたはみ出し基板でも、下流側の部品実装機の実装位置および待機位置に正確に停止させることができるコスト低廉な部品実装ラインの基板搬送制御方法および基板搬送制御装置を提供することを課題とする。   The present invention has been made in view of the above-mentioned problems of the background art, and even with an extended board mounted so that the component protrudes from the end of the board with the upstream component mounting machine, the mounting position of the downstream component mounting machine It is another object of the present invention to provide a substrate transport control method and a substrate transport control device for a component mounting line that can be accurately stopped at a standby position.

上記課題を解決する請求項1に係る部品実装ラインの基板搬送制御方法の発明は、コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御方法であって、各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出工程と、前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達工程と、前記はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送工程と、を有し、前記搬送経路に配置された基板センサが搬送途中の基板の上流側端部を検出してから、前記基板搬送装置によって前記基板を第1所定距離だけ搬送して前記実装位置に停止させ、前記はみ出し基板搬送工程は、前記基板搬送装置によって前記はみ出し基板を搬送して前記実装位置に停止させるはみ出し基板搬入工程であり、該はみ出し基板搬入工程では、前記はみ出し量算出工程で前記基板の上流側端部から前記部品が前記搬送方向にはみ出す上流側はみ出し量を算出し、かつ前記はみ出し量伝達工程で前記上流側はみ出し量を順次伝達した場合に、前記上流側はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板センサが搬送途中のはみ出し基板の前記上流側端部からはみ出した部品の上流側端部を検出してから、前記基板搬送装置によって前記第1所定距離から前記上流側はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記実装位置に停止させるAccording to a first aspect of the present invention, there is provided a circuit board transport control method for transporting a circuit board by a predetermined distance in a transport direction along a transport path, and stopping at a predetermined position. A plurality of component mounting machines each including a component transfer device for mounting a component collected from a component supply device on a substrate stopped at the predetermined position as a mounting position, and each of the substrate transfer devices The board transfer control method of a component mounting line in which the board is sequentially carried into and out of the mounting positions from the upstream side to the downstream side, and the components are mounted on the board by the component transfer devices, In the component mounting machine, a protruding amount calculation step of calculating a protruding amount when a component mounted on the substrate stopped at the mounting position protrudes from the end of the substrate in the transport direction. A protruding amount transmission step of sequentially transmitting the protruding amount before sequentially transferring the protruding substrate in which the component protrudes from the end of the substrate to a component mounting machine downstream of the component mounting machine that has calculated the protruding amount; In the component mounter downstream of the component mounter for which the amount of protrusion has been calculated, the protrusion substrate is transported by the distance that is obtained by subtracting the amount of protrusion from the predetermined distance by the substrate transport device, and stopped at the predetermined position. And a substrate sensor disposed in the conveyance path detects an upstream end of the substrate in the middle of conveyance, and conveys the substrate by a first predetermined distance by the substrate conveyance device. The protruding substrate transporting process is stopped at the mounting position by transporting the protruding substrate by the substrate transporting device and stopping at the mounting position. A protruding substrate carrying-in step, wherein the protruding substrate carrying-in step calculates an upstream protruding amount in which the component protrudes from the upstream end of the substrate in the conveying direction in the protruding amount calculating step, and the protruding amount transmitting step In the component mounter downstream of the component mounter that has calculated the upstream protrusion amount, the substrate sensor protrudes from the upstream end of the protrusion substrate that is being transported. After the upstream end of the detected component is detected, the protruding substrate is transferred by the substrate transfer device by a distance obtained by subtracting the protruding amount from the first predetermined distance and stopped at the mounting position .

請求項2に係る発明は、コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御方法であって、各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出工程と、前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達工程と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送工程と、を有し、前記部品移載装置が前記実装位置に停止された基板に前記部品の実装を終了すると、前記基板搬送装置によって当該基板を前記実装位置から第2所定距離だけ搬送して待機位置に停止させ、前記はみ出し基板搬送工程は、前記基板搬送装置によって前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させるはみ出し基板待機搬送工程であり、該はみ出し基板待機搬送工程では、前記はみ出し量算出工程で前記基板の下流側端部から前記部品が前記搬送方向にはみ出す下流側はみ出し量を算出し、かつ前記はみ出し量伝達工程で前記下流側はみ出し量を順次伝達した場合に、当該下流側はみ出し量を算出した部品実装機および当該部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記第2所定距離から前記下流側はみ出し量を減算した距離だけ前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させる
According to a second aspect of the present invention, there is provided a substrate transfer device that conveys a substrate by a predetermined distance in the transfer direction along a transfer path and stops the substrate at a predetermined position, and a substrate stopped at the predetermined position as a mounting position. A plurality of component mounters each including a component transfer device for mounting a component collected from a component supply device are arranged in series, and each substrate is transferred from the upstream side to the downstream side by each substrate transfer device. A board transfer control method for a component mounting line that sequentially carries in and out of a mounting position and mounts the component on the board by each of the component transfer devices, wherein each of the component mounting machines has a substrate stopped at the mounting position. A protruding amount calculating step for calculating the protruding amount when a component to be mounted protrudes from the end of the board in the transport direction, and a portion downstream from the component mounting machine that calculates the protruding amount The mounting machine, and the protrusion amount transmitting step of sequentially transmitting the protrusion amount from the substrate edge prior to sequentially convey the protruding substrate on which the component is protruding,
In the component mounter downstream of the component mounter for which the amount of protrusion has been calculated, the protrusion substrate is transported by the distance that is obtained by subtracting the amount of protrusion from the predetermined distance by the substrate transport device, and stopped at the predetermined position. And when the component transfer device finishes mounting the component on the substrate stopped at the mounting position, the substrate transfer device transfers the substrate from the mounting position by a second predetermined distance. The protruding substrate transfer step is a protruding substrate standby transfer step in which the protruding substrate is transferred from the mounting position by the substrate transfer device and stopped at the standby position, and the protruding substrate standby transfer step. Then, in the protrusion amount calculation step, the component protrudes from the downstream end of the substrate in the transport direction. In the component mounting machine and the component mounting machine on the downstream side of the component mounting machine that calculate the downstream protruding amount when the downstream protruding amount is sequentially transmitted in the protruding amount transmission step, the board The protruding substrate is transferred from the mounting position by a distance obtained by subtracting the protruding amount on the downstream side from the second predetermined distance by the transfer device and stopped at the standby position .

請求項3に係る発明は、請求項1または2において、前記はみ出し量算出工程で前記はみ出し量を算出した部品実装機より下流側の部品実装機において、前記はみ出し量算出工程で前記はみ出し量より大きい更新はみ出し量を算出し、かつ前記はみ出し量伝達工程で前記更新はみ出し量を順次伝達した場合に、前記はみ出し基板搬送工程では、前記更新はみ出し量を算出した前記下流側の部品実装機よりさらに下流側の部品実装機において、前記基板搬送装置によって前記所定距離から前記更新はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させる。 According to a third aspect of the present invention, in the component mounter downstream of the component mounter that has calculated the protrusion amount in the protrusion amount calculation step according to the first or second aspect, the protrusion amount calculation step is greater than the protrusion amount. In the case where the updated protruding amount is calculated and the updated protruding amount is sequentially transmitted in the protruding amount transmitting step, in the protruding substrate transfer step, further downstream than the downstream component mounter that calculated the updated protruding amount. In the component mounting machine, the protruding board is transferred by the board transfer device by a distance obtained by subtracting the updated protruding amount from the predetermined distance and stopped at the predetermined position.

請求項4に係る部品実装ラインの基板搬送制御装置の発明は、コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御装置であって、各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出手段と、前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達手段と、前記はみ出し量を算出した前記部品実装機より下流側の前記部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送手段と、を有し、前記搬送経路に配置された基板センサが搬送途中の基板の上流側端部を検出してから、前記基板搬送装置によって前記基板を第1所定距離だけ搬送して前記実装位置に停止させ、前記はみ出し基板搬送手段は、前記基板搬送装置によって前記はみ出し基板を搬送して前記実装位置に停止させるはみ出し基板搬入手段であり、該はみ出し基板搬入手段では、前記はみ出し量算出手段で前記基板の上流側端部から前記部品が前記搬送方向にはみ出す上流側はみ出し量を算出し、かつ前記はみ出し量伝達手段で前記上流側はみ出し量を順次伝達した場合に、前記上流側はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板センサが搬送途中のはみ出し基板の前記上流側端部からはみ出した部品の上流側端部を検出してから、前記基板搬送装置によって前記第1所定距離から前記上流側はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記実装位置に停止させる。
請求項5に係る発明は、コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御装置であって、各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出手段と、前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達手段と、前記はみ出し量を算出した前記部品実装機より下流側の前記部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送手段と、を有し、前記部品移載装置が前記実装位置に停止された基板に前記部品の実装を終了すると、前記基板搬送装置によって当該基板を前記実装位置から第2所定距離だけ搬送して待機位置に停止させ、前記はみ出し基板搬送手段は、前記基板搬送装置によって前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させるはみ出し基板待機搬送手段であり、該はみ出し基板待機搬送手段では、前記はみ出し量算出手段で前記基板の下流側端部から前記部品が前記搬送方向にはみ出す下流側はみ出し量を算出し、かつ前記はみ出し量伝達手段で前記下流側はみ出し量を順次伝達した場合に、当該下流側はみ出し量を算出した部品実装機および当該部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記第2所定距離から前記下流側はみ出し量を減算した距離だけ前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させる。
According to a fourth aspect of the present invention, there is provided a substrate transfer device for conveying a substrate by a predetermined distance in a transfer direction along a transfer path and stopping the substrate at a predetermined position. A plurality of component mounting machines each including a component transfer device that mounts a component collected from a component supply device on the substrate stopped at the predetermined position are arranged in series, and each substrate transfer device downstream from the upstream side A board transfer control device of a component mounting line for sequentially loading and unloading the substrate to each mounting position toward the side, and mounting the component on the substrate by each component transfer device. A protruding amount calculating means for calculating the protruding amount when a component mounted on the substrate stopped at the mounting position protrudes from the end of the substrate in the transport direction; and the protruding amount A protruding amount transmission means for sequentially transmitting the protruding amount before sequentially transferring the protruding board from which the component protrudes from the end of the board to the component mounting machine downstream from the calculated component mounting machine, and calculating the protruding amount In the component mounting machine on the downstream side of the component mounting machine, a protruding board transfer means for transferring the protruding board by a distance obtained by subtracting the protruding amount from the predetermined distance by the board transfer device and stopping the protruding board at the predetermined position; And the substrate sensor disposed in the transport path detects the upstream end of the substrate being transported and then transports the substrate by a first predetermined distance by the substrate transport device to the mounting position. The protruding substrate carrying means is stopped and the protruding substrate conveying means conveys the protruding substrate by the substrate conveying device and stops it at the mounting position. The protruding substrate carrying means calculates the upstream protruding amount by which the component protrudes from the upstream end of the substrate in the conveying direction by the protruding amount calculating means, and the protruding amount transmitting means calculates the protrusion amount transmitting means. In the component mounting machine on the downstream side of the component mounting machine that has calculated the upstream protruding amount when the upstream protruding amount is sequentially transmitted, the component that the board sensor protrudes from the upstream end of the protruding board that is being conveyed After detecting the upstream end portion, the protruding substrate is transferred by the substrate transfer device by a distance obtained by subtracting the protruding amount on the upstream side from the first predetermined distance and stopped at the mounting position.
According to a fifth aspect of the present invention, there is provided a substrate transport apparatus that conveys a substrate by a predetermined distance in the transport direction along a transport path and stops the substrate at a predetermined position, and a substrate stopped at the predetermined position as a mounting position. A plurality of component mounters each including a component transfer device for mounting a component collected from a component supply device are arranged in series, and each substrate is transferred from the upstream side to the downstream side by each substrate transfer device. A board transfer control device of a component mounting line that sequentially carries in and out of a mounting position and mounts the component on the substrate by each of the component transfer devices. In each of the component mounting machines, the substrate is stopped at the mounting position. When a component to be mounted protrudes from the end of the board in the transport direction, a protrusion amount calculating means for calculating the protrusion amount, and a portion downstream from the component mounting machine that calculates the protrusion amount A protruding amount transmitting means for sequentially transmitting the protruding amount before sequentially transferring the protruding substrate from which the component protrudes from the end portion of the substrate to the mounting machine, and the downstream of the component mounting machine that calculates the protruding amount. In the component mounter, the component transfer device comprises: an extended substrate transfer means for transferring the protruding substrate by a distance obtained by subtracting the protruding amount from the predetermined distance by the substrate transfer device and stopping the protruding substrate at the predetermined position. When the mounting of the component on the board stopped at the mounting position is finished, the board transfer device transfers the board by a second predetermined distance from the mounting position and stops at the standby position, and the protruding board transfer means is The protruding substrate standby transfer that transfers the protruding substrate from the mounting position and stops at the standby position by the substrate transfer device. The protruding substrate standby transfer means calculates the amount of downstream protrusion from which the component protrudes from the downstream end of the substrate in the transfer direction by the protrusion amount calculation means, and the protrusion amount transmission means causes the protrusion amount transmission means to In the component mounter that calculates the downstream protrusion amount and the component mounter downstream of the component mounter when the downstream protrusion amount is sequentially transmitted, the substrate transfer device causes the downstream side to move from the second predetermined distance. The protruding substrate is transported from the mounting position by a distance obtained by subtracting the protruding amount and stopped at the standby position.

請求項1に係る部品実装ラインの基板搬送制御方法の発明では、部品実装ライン内の或る部品実装機で実装した部品が基板端部から搬送方向にはみ出す場合にはみ出し量を算出し、下流側の部品実装機にはみ出し基板を順次搬送する以前にはみ出し量を順次伝達し、下流側の部品実装機において所定距離からはみ出し量を減算した距離だけはみ出し基板を搬送して所定位置に停止させる。このため、はみ出し量だけみかけの基板全長が増加するはみ出し基板に対し、搬送距離をはみ出し量だけ減少させてその影響をキャンセルして、本来の所定位置に正確に停止させることができる。   In the invention of the substrate mounting control method of the component mounting line according to claim 1, when a component mounted by a certain component mounting machine in the component mounting line protrudes from the end of the substrate in the transport direction, the amount of protrusion is calculated, and the downstream side Prior to sequentially transporting the protruding board to the component mounting machine, the protruding amount is sequentially transmitted, and the protruding board is transported by a distance obtained by subtracting the protruding amount from the predetermined distance and stopped at a predetermined position in the component mounting machine on the downstream side. For this reason, with respect to the protruding substrate whose apparent total length increases by the amount of protrusion, the transfer distance can be decreased by the amount of protrusion to cancel the influence, and it can be accurately stopped at the original predetermined position.

また、本発明は、従来構成に対してセンサや画像カメラなどのハードウェアの追加を必要とせず、はみ出し量を算出して順次伝達するとともにコンベアベルトの停止位置を変更するソフトウェアで実現できるので、装置構成や制御ロジックは簡易でコストは低廉である。   Further, the present invention does not require the addition of hardware such as a sensor or an image camera to the conventional configuration, and can be realized by software that calculates and sequentially transmits the amount of protrusion and changes the stop position of the conveyor belt. The device configuration and control logic are simple and inexpensive.

さらに、搬送経路に配置された基板センサが搬送途中の基板の上流側端部を検出してから基板を第1所定距離だけ搬送して実装位置に停止させる部品実装機を複数台直列に配置した構成で、或る部品実装機で基板の上流側端部から部品が搬送方向にはみ出す上流側はみ出し量を算出して順次伝達した場合に、下流側の部品実装機において基板センサがはみ出した部品の上流側端部を検出してから、第1所定距離から上流側はみ出し量を減算した距離だけはみ出し基板を搬送して実装位置に停止させる。このため、上流側はみ出し量だけみかけの基板全長が増加するはみ出し基板に対し、搬送距離を上流側はみ出し量だけ減少させてその影響をキャンセルできる。したかって、はみ出し基板を本来の実装位置に正確に停止させることができ、確実に部品実装を行うことができる。 In addition, a plurality of component mounting machines are arranged in series to convey the substrate by the first predetermined distance and stop it at the mounting position after the substrate sensor arranged in the conveyance path detects the upstream end of the substrate in the middle of conveyance. In a configuration, when a component mounter calculates the amount of upstream protrusion that the component protrudes from the upstream end of the board in the conveyance direction and sequentially transmits it, the component sensor that the substrate sensor protrudes in the downstream component mounter After detecting the upstream end, the protruding board is conveyed by a distance obtained by subtracting the protruding amount from the first predetermined distance and stopped at the mounting position. For this reason, it is possible to cancel the influence by reducing the transport distance by the amount of protrusion on the upstream side with respect to the protrusion substrate whose apparent total length increases by the amount of protrusion on the upstream side. Therefore, the protruding board can be accurately stopped at the original mounting position, and component mounting can be performed reliably.

請求項2に係る発明では、基板に部品の実装を終了すると当該基板を実装位置から第2所定距離だけ搬送して待機位置に停止させる部品実装機を複数台直列に配置した構成で、或る部品実装機で基板の下流側端部から部品が搬送方向にはみ出す下流側はみ出し量を算出して順次伝達した場合に、当該部品実装機および下流側の部品実装機において第2所定距離から下流側はみ出し量を減算した距離だけはみ出し基板を実装位置から搬送して待機位置に停止させる。このため、下流側はみ出し量だけみかけの基板全長が増加するはみ出し基板に対し、搬送距離を下流側はみ出し量だけ減少させてその影響をキャンセルできる。したがって、はみ出し基板を待機位置に正確に停止させることができ、オーバーランによる搬送異常は発生しない。 In the invention according to claim 2 , there is a configuration in which a plurality of component mounting machines are arranged in series to transport the substrate by a second predetermined distance from the mounting position and stop it at the standby position when mounting of the component on the substrate is completed. When a component is mounted on the downstream side of the board and the amount of downstream protrusion from the downstream end of the board is calculated and sequentially transmitted, the component mounting machine and the downstream component mounting machine are downstream from the second predetermined distance. The protruding substrate is transported from the mounting position by the distance obtained by subtracting the protruding amount and stopped at the standby position. For this reason, with respect to the protruding substrate in which the total length of the apparent substrate increases by the amount of protrusion on the downstream side, the influence can be canceled by reducing the transport distance by the amount of protrusion on the downstream side. Therefore, the protruding substrate can be accurately stopped at the standby position, and no conveyance abnormality due to overrun occurs.

請求項3に係る発明では、はみ出し量算出工程ではみ出し量を算出した部品実装機より下流側の部品実装機においてさらに大きい更新はみ出し量を算出してさらに下流側の部品実装機に伝達した場合に、さらに下流側の部品実装機において所定距離から更新はみ出し量を減算した距離だけはみ出し基板を搬送して所定位置に停止させる。つまり、上流側から下流側に向けて部品実装が進捗するのに伴いはみ出し量が増加すると、その都度下流側に伝達される更新はみ出し量が更新される。したがって、全ての部品実装機で搬送距離を適宜はみ出し量だけ減少させてその影響をキャンセルでき、本来の所定位置に正確に停止させることができる。 In the invention according to claim 3, when a larger updated protrusion amount is calculated in the component mounter downstream of the component mounter for which the protrusion amount has been calculated in the protrusion amount calculation step and is transmitted to the component mounter further downstream. Further, in the component mounting machine on the downstream side, the protruding board is conveyed by a distance obtained by subtracting the updated protruding amount from the predetermined distance and stopped at a predetermined position. That is, when the amount of protrusion increases as component mounting progresses from the upstream side to the downstream side, the update amount transmitted to the downstream side is updated each time. Therefore, it is possible to cancel the influence by appropriately reducing the conveyance distance by the amount of protrusion in all the component mounting machines, and it is possible to accurately stop at the original predetermined position.

請求項4および5に係る発明では、基板搬送装置と部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置した部品実装ラインの基板搬送制御装置において、はみ出し量算出手段と、はみ出し量伝達手段と、はみ出し基板搬送手段とを有する。本発明は装置として実施することもでき、その効果は、請求項1および2に記載された方法の発明と同様である。

In the inventions according to claims 4 and 5 , in the board transfer control device of the component mounting line in which a plurality of component mounters each including a board transfer device and a component transfer device are arranged in series, the amount of protrusion calculation means, It has a protruding amount transmission means and a protruding substrate transfer means. The invention can also be implemented as a device, the effect of which is the same as that of the method invention described in claims 1 and 2 .

実施形態の基板搬送制御方法を実施する部品実装ラインの構成例を説明する平面図である。It is a top view explaining the structural example of the component mounting line which enforces the board | substrate conveyance control method of embodiment. 実施形態の基板搬送制御方法を包含した第1部品実装機の実装工程の処理フローのうち部品実装までの前半を説明する図である。It is a figure explaining the first half to component mounting among the processing flows of the mounting process of the 1st component mounting machine including the board | substrate conveyance control method of embodiment. 実施形態の基板搬送制御方法を包含した第1部品実装機の実装工程の処理フローのうち部品実装以降の後半を説明する図である。It is a figure explaining the latter half after component mounting among the processing flows of the mounting process of the 1st component mounting machine including the board | substrate conveyance control method of embodiment. 部品のはみ出しがない通常の基板の搬送制御の作用を模式的に説明する図である。It is a figure which illustrates typically the effect | action of the conveyance control of the normal board | substrate without the protrusion of components. 部品のはみ出しが有るはみ出し基板の搬送制御の作用を模式的に説明する図である。It is a figure which illustrates typically the effect | action of the conveyance control of the protrusion board | substrate with the protrusion of components. 従来技術によるはみ出し基板の搬送制御の作用を模式的に説明する図である。It is a figure which illustrates typically the effect | action of the conveyance control of the protrusion board | substrate by a prior art.

本発明の実施形態の部品実装ラインの基板搬送制御方法について、図1〜図5を参考にして説明する。図1は、実施形態の基板搬送制御方法を実施する部品実装ライン1の構成例を説明する平面図である。実装工程を行う部品実装ライン1は、3台の部品実装機2〜4が直列に配置されて構成されている。部品実装ライン1の上流側(図1の左側)には、図略のはんだ印刷機から印刷工程を終了した基板Kを搬入する基板搬送装置91が配置されている。また、部品実装ライン1の下流側(図1の右側)には、図略の基板検査機に実装工程を終了した基板Kを搬出する基板搬送装置92が配置されている。2つの基板搬送装置91、92は、コンベアベルトに基板Kを載置して搬送する周知の装置である。   A substrate transport control method for a component mounting line according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a plan view for explaining a configuration example of a component mounting line 1 for carrying out the board conveyance control method of the embodiment. The component mounting line 1 that performs the mounting process is configured by three component mounters 2 to 4 arranged in series. On the upstream side of the component mounting line 1 (left side in FIG. 1), a board transfer device 91 that carries in the board K that has completed the printing process from a solder printing machine (not shown) is arranged. Further, on the downstream side of the component mounting line 1 (the right side in FIG. 1), a board transfer device 92 that carries out the board K that has completed the mounting process to a board inspection machine (not shown) is arranged. The two substrate transport devices 91 and 92 are well-known devices that transport the substrate K placed on a conveyor belt.

部品実装ライン1は、比較的大形の部品および比較的小形の部品を実装する第1部品実装機2、ならびに比較的小形の部品を実装する第2および第3部品実装機3、4が、記載した順序で直列に配置されて構成されている。基板Kは、3つの部品実装機2〜4を通して直線的に搬送され、所定の複数種類の部品が実装されるようになっている。   The component mounting line 1 includes a first component mounter 2 that mounts relatively large components and relatively small components, and second and third component mounters 3 and 4 that mount relatively small components. They are arranged in series in the order described. The substrate K is linearly conveyed through the three component mounting machines 2 to 4 so that a predetermined plurality of types of components are mounted.

第1部品実装機2は、基板搬送装置21、2つのフィーダ式部品供給装置22、23、トレイ式部品供給装置24、部品移載装置25、上流基板センサ27、下流基板センサ28、および図略の制御コンピュータなどを備えている。基板搬送装置21は、一対のガイドレール211およびコンベアベルト、クランプ装置などにより構成されている。一対のガイドレール211は、図1に示されるように搬送方向(X軸方向、図の左右方向)に延在して平行配置され、搬送経路を構成している。コンベアベルトは、無端環状で搬送経路に沿って張設されており、基板Kを載置して輪転することにより搬送する。クランプ装置は、コンベアベルトの下方に配置されており、搬送経路の略中央の実装位置に基板Kを位置決めする。図1には、実装位置に位置決めされた基板Kが示されている。   The first component mounting machine 2 includes a substrate transfer device 21, two feeder-type component supply devices 22, 23, a tray-type component supply device 24, a component transfer device 25, an upstream substrate sensor 27, a downstream substrate sensor 28, and an illustration not shown. Control computer. The substrate transport device 21 includes a pair of guide rails 211, a conveyor belt, a clamp device, and the like. As shown in FIG. 1, the pair of guide rails 211 extend in the transport direction (X-axis direction, left-right direction in the figure) and are arranged in parallel to form a transport path. The conveyor belt is an endless ring and is stretched along the conveyance path, and conveys the substrate K by placing and rotating the substrate K. The clamping device is disposed below the conveyor belt, and positions the substrate K at a mounting position substantially at the center of the conveyance path. FIG. 1 shows the substrate K positioned at the mounting position.

2つのフィーダ式部品供給装置22、23は、搬送経路の一側および他側(図1の下側および上側)にそれぞれ配置されている。フィーダ式部品供給装置22、23は、着脱可能な多数のカセット式フィーダ221を有し、フィーダ数が異なる点を除いて類似の構成となっている。各カセット式フィーダ221には、部品が所定ピッチで封入された細長いテープが巻回された図略の供給リールがセットされている。この供給リールからテープが所定ピッチで引き出され、部品が封入状態を開封されて図略の部品取出し部に順次送り込まれ、供給されるようになっている。トレイ式部品供給装置24は、搬送経路の他側(図1の上側)に配置されている。トレイ式部品供給装置24には、交換可能なトレイ241がセットされている。トレイ241の上面には、比較的大形のコネクタ部品などが並べられて供給されるようになっている。   The two feeder-type component supply devices 22 and 23 are arranged on one side and the other side (the lower side and the upper side in FIG. 1), respectively. The feeder-type component supply devices 22 and 23 have many cassette-type feeders 221 that can be attached and detached, and have similar configurations except that the number of feeders is different. Each cassette type feeder 221 is set with a supply reel (not shown) around which a long and narrow tape in which components are sealed at a predetermined pitch is wound. The tape is pulled out from the supply reel at a predetermined pitch, and the components are unsealed and sequentially fed to a component take-out section (not shown) for supply. The tray-type component supply device 24 is disposed on the other side of the conveyance path (the upper side in FIG. 1). A replaceable tray 241 is set in the tray-type component supply device 24. On the upper surface of the tray 241, relatively large connector parts and the like are arranged and supplied.

部品移載装置25は、基板搬送装置21の上方に配置されたX方向レールおよびY方向ビームに移動可能に保持される実装ヘッド251を有している。実装ヘッド251は、サーボモータにより移動制御され、基板Kを搬送するX軸方向、および水平面内でX軸方向と直交するY軸方向に移動する。実装ヘッドは、フィーダ式部品供給装置22、23およびトレイ式部品供給装置24から部品を採取して、実装位置に位置決めされた基板Kに実装する。   The component transfer device 25 has a mounting head 251 that is movably held by an X-direction rail and a Y-direction beam disposed above the substrate transfer device 21. The mounting head 251 is controlled to move by a servo motor, and moves in the X-axis direction for transporting the substrate K and in the Y-axis direction orthogonal to the X-axis direction in the horizontal plane. The mounting head collects components from the feeder-type component supply devices 22 and 23 and the tray-type component supply device 24 and mounts them on the substrate K positioned at the mounting position.

上流基板センサ27は、基板搬送装置21の搬送経路の上流端(図の左端)に配置されており、搬送途中の基板Kの上流側端部すなわち搬送後方端部を検出する。上流基板センサ27は、例えば、搬送経路の一側に光ビーム射出部を配置し、搬送経路の他側に光ビーム受光部を配置し、光ビーム射出部から光ビーム受光部に向けて搬送方向と直角な方向に光ビームを射出するようにして構成する。この上流基板センサ27では、光ビーム受光部で受光していた光ビームが遮光されたことで基板Kの下流側端部(搬送前方端部)を検出でき、遮光されていた光ビームが再び受光されることで基板Kの上流側端部(搬送後方端部)を検出できる。また、基板Kの上流側端部から部品がはみ出しているときには、当該の部品が光ビームを遮光する。したがって、上流基板センサ27は、はみ出した部品の上流側端部を検出し、基板K本体の上流側端部は検出できない。   The upstream substrate sensor 27 is disposed at the upstream end (left end in the figure) of the transport path of the substrate transport device 21 and detects the upstream end, that is, the transport rear end of the substrate K being transported. The upstream substrate sensor 27 includes, for example, a light beam emitting unit disposed on one side of the conveyance path, a light beam receiving unit disposed on the other side of the conveyance path, and a conveyance direction from the light beam emitting unit toward the light beam receiving unit. The light beam is emitted in a direction perpendicular to the direction. The upstream substrate sensor 27 can detect the downstream end (forward end) of the substrate K by blocking the light beam received by the light beam receiving unit, and the light beam that has been blocked is received again. As a result, the upstream end (conveyance rear end) of the substrate K can be detected. Further, when a component protrudes from the upstream end of the substrate K, the component blocks the light beam. Therefore, the upstream substrate sensor 27 detects the upstream end of the protruding component, and cannot detect the upstream end of the substrate K main body.

下流基板センサ28は、基板搬送装置21の搬送経路の下流端(図の右端)に配置されており、搬送途中の基板Kの下流側端部すなわち搬送前方端部を検出する。下流基板センサ28は、上流基板センサ27と同様に光ビームを用いる方式の構成とする。下流基板センサ28では、光ビーム受光部で受光していた光ビームが遮光されたことで基板Kの下流側端部、または基板Kの下流側端部からはみ出している部品の下流側端部を検出できる。搬送経路の下流基板センサ28の手前(上流側)には待機位置が設定されている。基板Kを待機位置まで搬送したときに、下流基板センサ28が基板Kの下流側端部を検出すると、オーバーラン異常と判定される。   The downstream substrate sensor 28 is disposed at the downstream end (right end in the figure) of the transport path of the substrate transport device 21 and detects the downstream end of the substrate K being transported, that is, the transport front end. The downstream substrate sensor 28 is configured to use a light beam in the same manner as the upstream substrate sensor 27. In the downstream substrate sensor 28, the downstream end portion of the component protruding from the downstream end portion of the substrate K or the downstream end portion of the substrate K due to the light beam received by the light beam receiving portion being blocked. It can be detected. A standby position is set before (upstream) the downstream substrate sensor 28 in the transport path. When the downstream substrate sensor 28 detects the downstream end of the substrate K when the substrate K is transported to the standby position, it is determined that an overrun abnormality has occurred.

図略の制御コンピュータは、生産する基板Kの品種に応じた実装ジョブデータを内蔵してソフトウェアで動作し、上位のホストコンピュータと連携して実装工程の動作を制御する。詳述すると、制御コンピュータは、上流基板センサ27および下流基板センサ28の検出情報を取得して基板搬送装置21の搬送動作を制御し、実装ジョブデータにしたがって部品移載装置25の実装動作を制御する。また、制御コンピュータは、実装工程を終了した基板Kの数量、および2つのフィーダ式部品供給装置22、23とトレイ式部品供給装置24の部品使用数をカウントし、必要に応じてホストコンピュータとの情報交換やオペレータへの連絡を行う。   A control computer (not shown) incorporates mounting job data corresponding to the type of board K to be produced, operates with software, and controls the operation of the mounting process in cooperation with a host computer at a higher level. More specifically, the control computer acquires detection information of the upstream substrate sensor 27 and the downstream substrate sensor 28 to control the transport operation of the substrate transport device 21 and controls the mounting operation of the component transfer device 25 according to the mounting job data. To do. In addition, the control computer counts the number of boards K for which the mounting process has been completed, and the number of parts used by the two feeder-type component supply devices 22, 23 and the tray-type component supply device 24. Exchange information and contact operators.

第2部品実装機3は、トレイ式部品供給装置24を備えない点を除いて第1部品実装機2と類似の構成で同様の機能を有している。すなわち、第2部品実装機3は、基板搬送装置31、2つのフィーダ式部品供給装置32、33、部品移載装置35、上流基板センサ37、下流基板センサ38、および図略の制御コンピュータなどを備えている。なお、2つのフィーダ式部品供給装置32、33は、搬送経路の一側および他側にそれぞれ配置され、フィーダ数は一致している。   The second component mounter 3 has the same function as the first component mounter 2 except that it does not include the tray-type component supply device 24. That is, the second component mounting machine 3 includes a substrate transfer device 31, two feeder-type component supply devices 32 and 33, a component transfer device 35, an upstream substrate sensor 37, a downstream substrate sensor 38, and a control computer (not shown). I have. Note that the two feeder-type component supply devices 32 and 33 are arranged on one side and the other side of the conveyance path, respectively, and the number of feeders is the same.

第3部品実装機4は、第2部品実装機3と同様の構成で同様の機能を有している。すなわち、第3部品実装機4は、基板搬送装置41、2つのフィーダ式部品供給装置42、43、部品移載装置45、上流基板センサ47、下流基板センサ48、および図略の制御コンピュータなどを備えている。   The third component mounter 4 has the same function as the second component mounter 3 and has the same function. That is, the third component mounting machine 4 includes a substrate transfer device 41, two feeder-type component supply devices 42 and 43, a component transfer device 45, an upstream substrate sensor 47, a downstream substrate sensor 48, and a control computer (not shown). I have.

上述の構成の第1部品実装機2で、トレイ式部品供給装置24から供給されるコネクタなどの比較的大形の部品を、基板Kの搬送方向の上流側端部および下流側端部からはみ出すように実装する場合がある。部品が搬送方向の上流側端部または下流側端部からはみ出した基板Kは、はみ出し基板となる。   In the first component mounting machine 2 configured as described above, relatively large components such as connectors supplied from the tray-type component supply device 24 protrude from the upstream end and the downstream end in the transport direction of the substrate K. May be implemented as follows. The substrate K from which the component protrudes from the upstream end or the downstream end in the transport direction becomes an extended substrate.

次に、実施形態の基板搬送制御方法について説明する。実施形態の基板搬送制御方法は、部品実装ライン1の各部品実装機2、3、4における実装工程の処理フローに包含されて実施される。3台の部品実装機2、3、4は概ね同じ処理フローを有するので、第1部品実装機2を例にして説明する。図2は、実施形態の基板搬送制御方法を包含した第1部品実装機2の実装工程の処理フローのうち部品実装までの前半を説明する図である。また、図3は、実施形態の基板搬送制御方法を包含した第1部品実装機2の実装工程の処理フローのうち部品実装以降の後半を説明する図である。図2および図3に示される処理フローは、基板Kの生産数量に相当する回数だけ繰返して実施され、主に制御コンピュータによって実行制御されている。   Next, the substrate transfer control method of the embodiment will be described. The board conveyance control method of the embodiment is implemented by being included in the processing flow of the mounting process in each of the component mounting machines 2, 3, 4 of the component mounting line 1. Since the three component mounters 2, 3, and 4 have substantially the same processing flow, the first component mounter 2 will be described as an example. FIG. 2 is a diagram illustrating the first half up to component mounting in the processing flow of the mounting process of the first component mounter 2 including the substrate transfer control method of the embodiment. FIG. 3 is a diagram for explaining the second half after the component mounting in the processing flow of the mounting process of the first component mounter 2 including the board transfer control method of the embodiment. The processing flow shown in FIGS. 2 and 3 is repeatedly performed by the number of times corresponding to the production quantity of the substrate K, and is executed and controlled mainly by the control computer.

図2のステップS1で、部品実装ライン1の上流側に配置された基板搬送装置91のコンベアベルトおよび第1部品実装機2の基板搬送装置21のコンベアベルトが輪転して基板Kの搬入が開始される。基板Kは、基板搬送装置21の搬送経路を上流側から下流側に向けて進む。次のステップS2で、上流基板センサ27の検出情報が繰返して参照され、基板Kの上流側端部を検出するとステップS3に進む。   In step S1 in FIG. 2, the conveyor belt of the board transfer device 91 and the conveyor belt of the board transfer device 21 of the first component mounter 2 arranged on the upstream side of the component mounting line 1 rotate to start loading the board K. Is done. The substrate K advances the transport path of the substrate transport device 21 from the upstream side to the downstream side. In the next step S2, the detection information of the upstream substrate sensor 27 is repeatedly referred to, and when the upstream end of the substrate K is detected, the process proceeds to step S3.

ステップS3で、上流側はみ出し量A1の有無が確認される。上流側はみ出し量A1は、前以って上流側の装置から伝達されており、第1部品実装機の場合、はんだ実装機から直接あるいはホストコンピュータを介して伝達される。上流側はみ出し量A1がないとき、ステップS4に進み、基板搬送装置21によって第1所定距離L1だけ基板Kを搬送する。上流側はみ出し量A1が有るとき、ステップS5に進み、基板搬送装置21によって第1所定距離L1から上流側はみ出し量A1を減算した距離L1A(L1A=L1−A1)だけ基板Kを搬送する。   In step S3, the presence or absence of the upstream protrusion amount A1 is confirmed. The upstream protrusion amount A1 is transmitted from the upstream device in advance, and in the case of the first component mounting machine, it is transmitted directly from the solder mounting machine or via the host computer. When there is no upstream protrusion amount A1, the process proceeds to step S4, and the substrate transfer device 21 transfers the substrate K by the first predetermined distance L1. When the upstream protrusion amount A1 is present, the process proceeds to step S5, and the substrate transfer device 21 transfers the substrate K by a distance L1A (L1A = L1-A1) obtained by subtracting the upstream protrusion amount A1 from the first predetermined distance L1.

上流側はみ出し量A1が有るとき、はみ出した部品によって基板Kのみかけの全長が増加しており、ステップS2で検出した基板Kの上流側端部は、実際は部品の上流側端部である。このため、基板K本体の実際の位置は、上流側はみ出し量A1がないときと比較して、上流側はみ出し量A1の分だけ下流側に先行して移動していることになる。したがって、ステップS4およびステップS5のいずれの搬送でも、基板Kは搬送経路の略中央の実装位置まで搬送される。次に、ステップS6でクランプ装置により基板Kを実装位置に位置決めし、ステップS7で部品移載装置25により部品実装を行う。   When the upstream protruding amount A1 is present, the apparent total length of the substrate K is increased by the protruding component, and the upstream end portion of the substrate K detected in step S2 is actually the upstream end portion of the component. For this reason, the actual position of the substrate K main body has moved downstream by an amount corresponding to the upstream protrusion amount A1 as compared with the case where there is no upstream protrusion amount A1. Therefore, the substrate K is transported to the mounting position substantially at the center of the transport path in both transports of step S4 and step S5. Next, in step S6, the substrate K is positioned at the mounting position by the clamping device, and component mounting is performed by the component transfer device 25 in step S7.

次に、図3のステップS8に進み、部品実装を行ったことによって上流側はみ出し量A1が発生し、または増加したか否かを確認する。発生または増加があったときには、ステップS9で、上流側はみ出し量A1を算出して設定し(発生の場合)、または更新する(増加の場合)。次に、ステップS10で同様に、部品実装を行ったことによって下流側はみ出し量A2が発生し、または増加したか否かを確認する。発生または増加があったときには、ステップS11で、下流側はみ出し量A2を算出して設定し(発生の場合)、または更新する(増加の場合)。   Next, the process proceeds to step S8 in FIG. 3, and it is confirmed whether or not the upstream protrusion amount A1 is generated or increased due to the component mounting. When the occurrence or increase has occurred, in step S9, the upstream protrusion amount A1 is calculated and set (in the case of occurrence) or updated (in the case of increase). Next, similarly in step S10, it is confirmed whether or not the downstream protrusion amount A2 is generated or increased due to the component mounting. When the occurrence or increase has occurred, in step S11, the downstream protrusion amount A2 is calculated and set (in the case of occurrence) or updated (in the case of increase).

次に、ステップS12で、上流側はみ出し量A1および下流側はみ出し量A2を下流側の装置に伝達する。第1部品実装機の場合、第2部品実装機3に直接、あるいはホストコンピュータを介して伝達する。次に、ステップS13で、基板Kを直ちに搬出できるか、あるいは待機する必要があるかを確認する。待機の要否は、下流側の装置の動作状況に依存し、第1部品実装機の場合には第2部品実装機3への直接の問い合わせ、あるいはホストコンピュータを介した問い合わせにより確認できる。待機が不要のときステップS18に進み、基板搬送装置21によって基板Kを下流側に搬出して処理フローを終了する。   Next, in step S12, the upstream protrusion amount A1 and the downstream protrusion amount A2 are transmitted to the downstream apparatus. In the case of the first component mounter, the data is transmitted to the second component mounter 3 directly or via the host computer. Next, in step S13, it is confirmed whether the substrate K can be immediately carried out or it is necessary to wait. Whether standby is necessary depends on the operating status of the downstream apparatus, and in the case of the first component mounting machine, it can be confirmed by a direct inquiry to the second component mounting machine 3 or an inquiry via the host computer. When standby is not necessary, the process proceeds to step S18, where the substrate K is unloaded by the substrate transfer device 21 and the processing flow ends.

待機が必要なときステップS14に進み、下流側はみ出し量A2の有無が確認される。下流側はみ出し量A2がないとき、ステップS15に進み、基板搬送装置21によって第2所定距離L2だけ基板Kを実装位置から搬送する。下流側はみ出し量A2が有るとき、ステップS16に進み、基板搬送装置21によって第2所定距離L2から下流側はみ出し量A2を減算した距離L2A(L2A=L2−A2)だけ基板Kを搬送する。   When standby is required, the process proceeds to step S14, where it is confirmed whether or not there is a protruding amount A2 on the downstream side. When there is no downstream protrusion amount A2, the process proceeds to step S15, and the substrate transfer device 21 transfers the substrate K from the mounting position by the second predetermined distance L2. When there is the downstream protrusion amount A2, the process proceeds to step S16, and the substrate transfer device 21 transfers the substrate K by a distance L2A (L2A = L2-A2) obtained by subtracting the downstream protrusion amount A2 from the second predetermined distance L2.

下流側はみ出し量A2がないとき、ステップS15の第2所定距離L2の搬送により、基板Kは下流基板センサ28の直前の待機位置まで搬送される。また、下流側はみ出し量A2が有るとき、はみ出した部品によって基板Kのみかけの全長が増加している。このため、はみ出した部品の下流側端部は、基板K本体の下流側端部よりも下流側はみ出し量A2だけ下流側に突出している。したがって、ステップS16の搬送により、基板Kからはみ出した部品の下流側端部がちょうど待機位置まで搬送される。つまり、いずれの場合も、待機位置をオーバーランしない。   When there is no downstream protrusion amount A2, the substrate K is transported to the standby position immediately before the downstream substrate sensor 28 by the transport of the second predetermined distance L2 in step S15. Further, when there is a protruding amount A2 on the downstream side, the apparent total length of the substrate K increases due to the protruding components. For this reason, the downstream end portion of the protruding component protrudes downstream from the downstream end portion of the substrate K main body by the protruding amount A2. Therefore, the downstream end of the component protruding from the substrate K is transported to the standby position just by the transport in step S16. That is, in any case, the standby position is not overrun.

基板Kが待機位置にある状態のステップS17で待機終了を待つ。下流側の装置から待機終了の連絡を受けるとステップS18に進み、基板搬送装置21によって基板Kを下流側に搬出して処理フローを終了する。1枚の基板に対する処理が終了すると、図2のステップS1に戻り、次の基板Kに対する処理フローが繰り返される。   In step S17 in a state where the substrate K is in the standby position, the standby end is awaited. When the standby end notification is received from the downstream apparatus, the process proceeds to step S18, the substrate transfer apparatus 21 carries the substrate K to the downstream side, and the processing flow ends. When the process for one substrate is completed, the process returns to step S1 in FIG. 2, and the process flow for the next substrate K is repeated.

上述の処理フローで、ステップS9およびS11が本発明のはみ出し量算出工程に相当し、ステップS12が本発明のはみ出し量伝達工程に相当する。また、ステップS5およびS16が本発明のはみ出し基板搬送工程に相当し、より詳細には、ステップS5がはみ出し基板搬入工程に相当し、ステップS16がはみ出し基板待機搬送工程に相当する。   In the processing flow described above, steps S9 and S11 correspond to the protrusion amount calculation step of the present invention, and step S12 corresponds to the protrusion amount transmission step of the present invention. Steps S5 and S16 correspond to the protruding substrate transfer process of the present invention. More specifically, step S5 corresponds to the protruding substrate transfer process, and step S16 corresponds to the protruding substrate standby transfer process.

次に、実施形態の基板搬送制御方法の作用について、従来技術と比較しながら説明する。図4は部品のはみ出しがない通常の基板の搬送制御の作用を模式的に説明する図であり、図5は部品のはみ出しが有るはみ出し基板の搬送制御の作用を模式的に説明する図である。また、図6は従来技術によるはみ出し基板の搬送制御の作用を模式的に説明する図である。説明を簡略にするため、図4〜図6には第1〜第3部品実装機2〜4の一部を示し、基板搬送装置21、31、41の各搬送経路の長さが同一であり、各搬送経路中の実装位置および待機位置も同一である場合を想定する。なお、各基板K、K1〜K8には斜線を付して見易くしてある。   Next, the operation of the substrate transfer control method of the embodiment will be described in comparison with the prior art. FIG. 4 is a diagram schematically illustrating the operation of the normal substrate transport control without protruding parts, and FIG. 5 is a diagram schematically illustrating the operation of the protruding substrate transport control with components protruding. . FIG. 6 is a diagram schematically illustrating the operation of the protruding substrate transfer control according to the prior art. For simplification of explanation, FIGS. 4 to 6 show a part of the first to third component mounting machines 2 to 4, and the lengths of the conveyance paths of the board conveyance devices 21, 31 and 41 are the same. Assume that the mounting position and the standby position in each transport path are the same. Each substrate K, K1 to K8 is hatched for easy viewing.

図4において、第1部品実装機2では基板K1が実装位置に位置決めされ、第2部品実装機3では基板K2が実装位置に位置決めされ、第3部品実装機4では部品実装が終了した基板K3が待機位置まで搬送された状態が示されている。各基板K1〜K3は部品のはみ出しがない通常の基板である。ここで、第1部品実装機2における基板K1の上流側端部K1Rと上流基板センサ27との搬送方向の距離L1が第1所定距離L1である。つまり、上流基板センサ27が搬送途中の基板K1の上流側端部K1Rを検出してから、基板搬送装置21によって基板K1を第1所定距離L1だけ搬送すれは、図示される実装位置に基板K1は停止する。また、基板K1の下流側端部K1Fと下流基板センサ28との搬送方向の距離L2が第2所定距離L2である。つまり、基板搬送装置21によって基板K1を第2所定距離L2だけ実装位置から搬送すれは、待機位置に基板K1は停止する。   In FIG. 4, the board K1 is positioned at the mounting position in the first component mounting machine 2, the board K2 is positioned at the mounting position in the second component mounting machine 3, and the board K3 after component mounting is completed in the third component mounting machine 4. Is shown in a state where is conveyed to the standby position. Each board | substrate K1-K3 is a normal board | substrate without the protrusion of a component. Here, the distance L1 in the transport direction between the upstream end K1R of the board K1 and the upstream board sensor 27 in the first component mounting machine 2 is the first predetermined distance L1. That is, after the upstream substrate sensor 27 detects the upstream end K1R of the substrate K1 in the middle of transportation, the substrate transportation device 21 transports the substrate K1 by the first predetermined distance L1 to the mounting position shown in the figure. Stops. Further, a distance L2 in the transport direction between the downstream end K1F of the substrate K1 and the downstream substrate sensor 28 is the second predetermined distance L2. That is, if the substrate transport device 21 transports the substrate K1 from the mounting position by the second predetermined distance L2, the substrate K1 stops at the standby position.

図5において、第1部品実装機2では図示される実装位置で基板K4に第1コネクタC1および第2コネクタC2が実装される。第1コネクタC1は、基板K4の上流側端部K4Rから搬送方向上流側に上流側はみ出し量A1だけはみ出している。また、第2コネクタC2は、基板K4の下流側端部K4Fから搬送方向下流側に下流側はみ出し量A2だけはみ出している。つまり、基板K4は第1部品実装機2内で、通常の基板からはみ出し基板K4に変化する。   In FIG. 5, in the first component mounting machine 2, the first connector C1 and the second connector C2 are mounted on the substrate K4 at the illustrated mounting position. The first connector C1 protrudes from the upstream end K4R of the substrate K4 by an upstream protrusion amount A1 upstream in the transport direction. Further, the second connector C2 protrudes from the downstream end K4F of the substrate K4 by the downstream protrusion amount A2 to the downstream side in the transport direction. That is, the board K4 is changed from the normal board to the board K4 in the first component mounting machine 2.

この上流側および下流側はみ出し量A1、A2は、第1および第2コネクタC1、C2の部品サイズと、基板K4上の実装位置から算出することができる。また、上流側および下流側はみ出し量A1、A2は、第1および第2コネクタC1、C2の実装が終了した時点で第1部品実装機2の制御コンピュータによって設定される。また、上流側および下流側はみ出し量A1、A2は、当該の基板K4に関する情報として第2部品実装機3の制御コンピュータに直接、またはホストコンピュータを介して伝達され、さらに第3部品実装機4やその下流側の基板生産機にも順次伝達される。仮に、部品切れやその他の理由で第1および第2コネクタC1、C2の実装ができなかった場合は、上流側および下流側はみ出し量A1、A2は設定されず、伝達もされない。つまり、上流側および下流側はみ出し量A1、A2は、各基板に固有な情報として基板毎に設定される。   The upstream and downstream protrusion amounts A1 and A2 can be calculated from the component sizes of the first and second connectors C1 and C2 and the mounting position on the board K4. The upstream and downstream protrusion amounts A1 and A2 are set by the control computer of the first component mounting machine 2 when the first and second connectors C1 and C2 are completely mounted. Further, the upstream and downstream protrusion amounts A1 and A2 are transmitted to the control computer of the second component mounter 3 directly or via the host computer as information on the board K4, and further the third component mounter 4 and It is also transmitted sequentially to the downstream board production machine. If the first and second connectors C1 and C2 cannot be mounted due to component breakage or other reasons, the upstream and downstream protrusion amounts A1 and A2 are not set and are not transmitted. That is, the upstream and downstream protrusion amounts A1 and A2 are set for each substrate as information unique to each substrate.

ここで、はみ出し基板K4となる以前の基板Kを基板搬送装置91から第1部品実装機2の実装位置に搬入するまでは、図4と同様の搬送制御を行う。また、上流側はみ出し量A1を算出した第1部品実装機2より下流側の第2および第3部品実装機3、4において、図4とは異なる実装位置への搬入制御を行う。例えば、図5で第2部品実装機3において、基板センサ37が搬送途中のはみ出し基板K5の上流側端部K5Rからはみ出した第1コネクタC1の上流側端部を検出してから、基板搬送装置31によって第1所定距離L1から上流側はみ出し量A1を減算した距離L1Aだけはみ出し基板K5を搬送する。これにより、はみ出し基板K5をちょうど実装位置に停止させることができる。なお、距離L1Aだけはみ出し基板を搬送するとちょうど実装位置に停止させることができるのは、第3部品実装機4でも同様である。   Here, the same conveyance control as in FIG. 4 is performed until the substrate K before becoming the protruding substrate K4 is carried from the substrate conveyance device 91 to the mounting position of the first component mounting machine 2. Further, in the second and third component mounters 3 and 4 on the downstream side of the first component mounter 2 that has calculated the upstream protrusion amount A1, carry-in control to a mounting position different from FIG. 4 is performed. For example, in FIG. 5, in the second component mounting machine 3, the board sensor 37 detects the upstream end of the first connector C <b> 1 protruding from the upstream end K <b> 5 </ b> R of the protruding board K <b> 5 in the middle of transfer, and then the board transfer device. 31, the protruding substrate K5 is transported by the distance L1A obtained by subtracting the upstream protruding amount A1 from the first predetermined distance L1. As a result, the protruding substrate K5 can be stopped at the mounting position. Similarly, the third component mounting machine 4 can be stopped at the mounting position when the protruding board is conveyed by the distance L1A.

さらに、下流側はみ出し量A2を算出した第1部品実装機2および下流側の第2及び第3部品実装機3、4において、図4とは異なる待機位置への搬送制御を行う。例えば、図5の第3部品実装機4において、前記基板搬送装置41によって第2所定距離L2から下流側はみ出し量A2を減算した距離L2Aだけはみ出し基板K6を破線で示された実装位置から搬送する。これにより、はみ出し基板K6をちょうど待機位置に停止させることができる。換言すれば、はみ出し基板K6の下流側端部K6Fから下流側に突出する第2コネクタC2の下流側端部が下流基板センサ48の直前に位置し、オーバーランしない。なお、距離L2Aだけはみ出し基板を実装位置から搬送するとちょうど待機位置に停止させることができるのは、第1および第2部品実装機2、3でも同様である。   Further, the first component mounting machine 2 that has calculated the downstream protrusion amount A2 and the second and third component mounting machines 3 and 4 on the downstream side perform conveyance control to a standby position different from that in FIG. For example, in the third component mounting machine 4 of FIG. 5, the board transfer device 41 transfers the protruding board K6 from the mounting position indicated by the broken line by a distance L2A obtained by subtracting the downstream protruding quantity A2 from the second predetermined distance L2. . Thereby, the protruding substrate K6 can be stopped at the standby position. In other words, the downstream end portion of the second connector C2 protruding downstream from the downstream end portion K6F of the protruding substrate K6 is positioned immediately before the downstream substrate sensor 48 and does not overrun. Similarly, the first and second component mounting machines 2 and 3 can be stopped at the standby position when the protruding board is transported from the mounting position by the distance L2A.

これに対し、はみ出し量を考慮しない従来技術では、図6に示されるように問題が生じる。第2部品実装機30に例示されるように、上流基板センサ37がはみ出し基板K7の上流側端部K7Rから突出した第1コネクタC1の上流側端部を検出してから第1所定距離L1だけ搬送する。したがって、はみ出し基板K7本体は破線で示される実装位置を上流側はみ出し量A1だけ通過して停止する。この結果、実装位置にはみ出し基板K7を停止させることができなくなり、マークカメラによる基板上の基準マークの読み取りや部品移載装置35による部品の実装などを実施できなくなるおそれが生じる。   On the other hand, in the prior art that does not consider the amount of protrusion, a problem occurs as shown in FIG. As illustrated in the second component mounting machine 30, the upstream board sensor 37 detects the upstream end of the first connector C1 protruding from the upstream end K7R of the protruding board K7, and then only the first predetermined distance L1. Transport. Therefore, the protruding board K7 main body passes through the mounting position indicated by the broken line by the upstream protruding amount A1 and stops. As a result, the protruding substrate K7 cannot be stopped at the mounting position, and there is a possibility that reading of the reference mark on the substrate by the mark camera or mounting of the component by the component transfer device 35 cannot be performed.

また、第3部品実装機40に例示されるように、仮に破線で示される本来の実装位置にはみ出し基板K8を位置決めできたとしても、実装された第2コネクタC2がはみ出し基板K8の下流側端部K8Fからはみ出しているので、第2所定距離L2を搬送した時点で第2コネクタC2が下流基板センサ48の光ビームを遮光する。したがって、待機位置を越えて搬送されたオーバーランと判定され、搬送異常になってしまう。   Further, as exemplified by the third component mounting machine 40, even if the protruding board K8 can be positioned at the original mounting position indicated by the broken line, the mounted second connector C2 is connected to the downstream end of the protruding board K8. Since it protrudes from the portion K8F, the second connector C2 shields the light beam from the downstream substrate sensor 48 when the second predetermined distance L2 is conveyed. Therefore, it is determined that the overrun has been carried beyond the standby position, resulting in a conveyance abnormality.

実施形態の基板搬送制御方法では、搬送経路に配置された上流基板センサ37が搬送途中の基板の上流側端部を検出してから第1所定距離L1だけ搬送して実装位置に停止させる部品実装機3を複数台直列に配置した構成において、第1所定距離L1から上流側はみ出し量A1を減算した距離L1Aだけはみ出し基板K5を搬送して実装位置に停止させる。このため、上流側はみ出し量A1だけみかけの基板全長が増加するはみ出し基板K5に対し、搬送距離L1Aを上流側はみ出し量A1だけ減少させてその影響をキャンセルできる。したがって、はみ出し基板K5を本来の実装位置に正確に停止させることができ、確実に部品実装を行うことができる。   In the substrate transfer control method according to the embodiment, the upstream substrate sensor 37 arranged in the transfer path detects the upstream end of the substrate being transferred and then transfers the first predetermined distance L1 to stop at the mounting position. In a configuration in which a plurality of machines 3 are arranged in series, the protruding substrate K5 is transported and stopped at the mounting position by a distance L1A obtained by subtracting the upstream protruding amount A1 from the first predetermined distance L1. For this reason, with respect to the protruding substrate K5 in which the apparent total length of the substrate increases by the upstream protruding amount A1, the influence can be canceled by reducing the transport distance L1A by the upstream protruding amount A1. Therefore, the protruding board K5 can be accurately stopped at the original mounting position, and component mounting can be performed reliably.

また、基板に部品の実装を終了すると当該基板を実装位置から第2所定距離L2だけ搬送して待機位置に停止させる部品実装機4の構成において、第2所定距離L2から下流側はみ出し量A2を減算した距離L2Aだけはみ出し基板K6を実装位置から搬送して待機位置に停止させる。このため、下流側はみ出し量A2だけみかけの基板全長が大きくなるはみ出し基板K6に対し、搬送距離L2Aを下流側はみ出し量A2だけ減少させてその影響をキャンセルできる。したがって、はみ出し基板K6を待機位置に正確に停止させることができ、オーバーランによる搬送異常は発生しない。   In addition, in the configuration of the component mounting machine 4 that, when the mounting of the components on the board is completed, the board is transported by the second predetermined distance L2 from the mounting position and stopped at the standby position, the amount of protrusion A2 downstream from the second predetermined distance L2 is set. The protruding substrate K6 is transported from the mounting position by the subtracted distance L2A and stopped at the standby position. For this reason, with respect to the protruding substrate K6 in which the apparent total length of the substrate is increased by the downstream protrusion amount A2, the influence can be canceled by reducing the transport distance L2A by the downstream protrusion amount A2. Therefore, the protruding substrate K6 can be accurately stopped at the standby position, and no conveyance abnormality due to overrun occurs.

さらに、実施形態の基板搬送制御方法を行う部品実装ライン1の各部品実装機では、従来構成に対してセンサや画像カメラなどのハードウェアの追加を必要とせず、はみ出し量を算出して順次伝達するとともにコンベアベルトの停止位置を変更するソフトウェアで実現できるので、装置構成や制御ロジックは簡易でコストは低廉である。   Furthermore, each component mounter on the component mounting line 1 that performs the board transfer control method of the embodiment does not require the addition of hardware such as a sensor and an image camera to the conventional configuration, and calculates the amount of protrusion and sequentially transmits it. In addition, since it can be realized by software that changes the stop position of the conveyor belt, the device configuration and control logic are simple and the cost is low.

また、第1部品実装機2で生じた上流側および下流側はみ出し量A1、A2よりもさらに大きいはみ出し量が仮に第2あるいは第3部品実装機3、4で生じる場合には、その都度下流側に伝達するはみ出し量を更新する。したがって、全ての部品実装機2〜4で搬送距離を適宜はみ出し量だけ減少させてその影響をキャンセルでき、本来の所定位置に正確に停止させることができる。   In addition, if an amount of protrusion that is larger than the upstream and downstream protrusions A1 and A2 generated in the first component mounting machine 2 occurs in the second or third component mounting machines 3 and 4, it is downstream each time. The amount of protrusion to be transmitted to is updated. Therefore, it is possible to cancel the influence by reducing the conveyance distance by the amount of protrusion as appropriate in all the component mounting machines 2 to 4, and to accurately stop at the original predetermined position.

また、実施形態において、はみ出し量算出工程、はみ出し量伝達工程、およびはみ出し基板搬送工程は、主に制御コンピュータにより実行制御されている。したがって、本発明は、前記各工程をそれぞれ機能手段に置き換えた基板搬送制御装置として実施することもできる。   In the embodiment, the protrusion amount calculation step, the protrusion amount transmission step, and the protrusion substrate transfer step are mainly controlled by the control computer. Therefore, the present invention can also be implemented as a substrate transfer control device in which each of the steps is replaced with a functional unit.

なお、本発明は、3台の部品実装機2、3、4を直列に配置した部品実装ライン1に限定されず、より多数の部品実装機を直列に配置したラインや、途中に基板検査機を含んだラインにも適用できる。さらに、部品実装ライン1の下流側に配置される基板検査機やその他の基板生産機にも応用できる。その他、本発明は、さまざまな応用や変形が可能である。   Note that the present invention is not limited to the component mounting line 1 in which the three component mounting machines 2, 3, and 4 are arranged in series, and a line in which a larger number of component mounting machines are arranged in series, and a board inspection machine in the middle. It can also be applied to lines that contain Furthermore, the present invention can be applied to a board inspection machine and other board production machines arranged on the downstream side of the component mounting line 1. In addition, the present invention can be variously applied and modified.

1:基板生産ライン
2:第1部品実装機
21:基板搬送装置 211:ガイドレール
22、23:フィーダ式部品供給装置 221:カセット式フィーダ
24:トレイ式部品供給装置 241:トレイ
25:部品移載装置 251:実装ヘッド
27:上流基板センサ 28:下流基板センサ
3:第2部品実装機
31:基板搬送装置 32、33:フィーダ式部品供給装置
35:部品移載装置 37:上流基板センサ 38:下流基板センサ
4:第3部品実装機
41:基板搬送装置 42、43:フィーダ式部品供給装置
45:部品移載装置 47:上流基板センサ 48:下流基板センサ
K:基板 K1〜K3:通常の基板 K4〜K8:はみ出し基板
A1:上流側はみ出し量 A2:下流側はみ出し量
L1:第1所定距離 L2:第2所定距離
1: Board production line 2: First component mounting machine 21: Board transfer device 211: Guide rails 22, 23: Feeder type component feeding device 221: Cassette type feeder 24: Tray type component feeding device 241: Tray 25: Component transfer Device 251: Mounting head 27: Upstream substrate sensor 28: Downstream substrate sensor 3: Second component mounting machine 31: Substrate transport device 32, 33: Feeder type component supply device 35: Component transfer device 37: Upstream substrate sensor 38: Downstream Substrate sensor 4: Third component mounting machine 41: Substrate transport device 42, 43: Feeder type component supply device 45: Component transfer device 47: Upstream substrate sensor 48: Downstream substrate sensor K: Substrate K1 to K3: Normal substrate K4 ˜K8: Extruding board A1: Upstream protruding amount A2: Downstream protruding amount L1: First predetermined distance L2: Second predetermined distance

Claims (5)

コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御方法であって、
各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出工程と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達工程と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送工程と、を有し、
前記搬送経路に配置された基板センサが搬送途中の基板の上流側端部を検出してから、前記基板搬送装置によって前記基板を第1所定距離だけ搬送して前記実装位置に停止させ、
前記はみ出し基板搬送工程は、前記基板搬送装置によって前記はみ出し基板を搬送して前記実装位置に停止させるはみ出し基板搬入工程であり、
該はみ出し基板搬入工程では、前記はみ出し量算出工程で前記基板の上流側端部から前記部品が前記搬送方向にはみ出す上流側はみ出し量を算出し、かつ前記はみ出し量伝達工程で前記上流側はみ出し量を順次伝達した場合に、前記上流側はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板センサが搬送途中のはみ出し基板の前記上流側端部からはみ出した部品の上流側端部を検出してから、前記基板搬送装置によって前記第1所定距離から前記上流側はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記実装位置に停止させる部品実装ラインの基板搬送制御方法。
A conveyor belt transports a substrate by a predetermined distance in the transport direction along the transport path and stops the substrate at a predetermined position, and a component collected from the component supply device on the substrate stopped at the predetermined position as a mounting position. A plurality of component mounters each having a component transfer device to be mounted are arranged in series, and the substrate is sequentially carried into and out of each mounting position from the upstream side to the downstream side by each of the substrate transfer devices, A substrate transport control method for a component mounting line for mounting the component on the substrate by the component transfer device,
In each of the component mounting machines, a protrusion amount calculating step of calculating the protrusion amount when a component mounted on the substrate stopped at the mounting position protrudes from the end of the substrate in the transport direction;
A protruding amount transmission step of sequentially transmitting the protruding amount before sequentially transferring the protruding board from which the component protrudes from the end of the board to the component mounting machine downstream of the component mounting machine that has calculated the protruding amount;
In the component mounter downstream of the component mounter for which the amount of protrusion has been calculated, the protrusion substrate is transported by the distance that is obtained by subtracting the amount of protrusion from the predetermined distance by the substrate transport device, and stopped at the predetermined position. A conveyance process ,
After the substrate sensor disposed in the transport path detects the upstream end of the substrate being transported, the substrate transport device transports the substrate by a first predetermined distance and stops at the mounting position.
The protruding substrate transfer step is an protruding substrate carry-in step in which the protruding substrate is transferred by the substrate transfer device and stopped at the mounting position.
In the protruding substrate carry-in step, an upstream protruding amount in which the component protrudes from the upstream end of the substrate in the conveying direction in the protruding amount calculating step is calculated, and the upstream protruding amount is calculated in the protruding amount transmitting step. In the component mounting machine on the downstream side of the component mounting machine that has calculated the amount of protrusion on the upstream side when sequentially transmitted, the upstream side end part of the part that protrudes from the upstream side end part of the protruding board that is being transported by the board sensor A board transfer control method for a component mounting line in which the protruding board is transferred by a distance obtained by subtracting the upstream protruding amount from the first predetermined distance by the board transfer device and stopped at the mounting position .
コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御方法であって、
各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出工程と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達工程と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送工程と、を有し、
前記部品移載装置が前記実装位置に停止された基板に前記部品の実装を終了すると、前記基板搬送装置によって当該基板を前記実装位置から第2所定距離だけ搬送して待機位置に停止させ、
前記はみ出し基板搬送工程は、前記基板搬送装置によって前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させるはみ出し基板待機搬送工程であり、
該はみ出し基板待機搬送工程では、前記はみ出し量算出工程で前記基板の下流側端部から前記部品が前記搬送方向にはみ出す下流側はみ出し量を算出し、かつ前記はみ出し量伝達工程で前記下流側はみ出し量を順次伝達した場合に、当該下流側はみ出し量を算出した部品実装機および当該部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記第2所定距離から前記下流側はみ出し量を減算した距離だけ前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させる部品実装ラインの基板搬送制御方法。
A conveyor belt transports a substrate by a predetermined distance in the transport direction along the transport path and stops the substrate at a predetermined position, and a component collected from the component supply device on the substrate stopped at the predetermined position as a mounting position. A plurality of component mounters each having a component transfer device to be mounted are arranged in series, and the substrate is sequentially carried into and out of each mounting position from the upstream side to the downstream side by each of the substrate transfer devices, A substrate transport control method for a component mounting line for mounting the component on the substrate by the component transfer device,
In each of the component mounting machines, a protrusion amount calculating step of calculating the protrusion amount when a component mounted on the substrate stopped at the mounting position protrudes from the end of the substrate in the transport direction;
A protruding amount transmission step of sequentially transmitting the protruding amount before sequentially transferring the protruding board from which the component protrudes from the end of the board to the component mounting machine downstream of the component mounting machine that has calculated the protruding amount;
In the component mounter downstream of the component mounter for which the amount of protrusion has been calculated, the protrusion substrate is transported by the distance that is obtained by subtracting the amount of protrusion from the predetermined distance by the substrate transport device, and stopped at the predetermined position. A conveyance process ,
When the component transfer device finishes mounting the component on the substrate stopped at the mounting position, the substrate transfer device transports the substrate from the mounting position by a second predetermined distance and stops at the standby position.
The protruding substrate transfer step is an extended substrate standby transfer step in which the protruding substrate is transferred from the mounting position by the substrate transfer device and stopped at the standby position.
In the protruding substrate standby transfer step, the amount of downstream protrusion from which the component protrudes in the transfer direction from the downstream end of the substrate is calculated in the protrusion amount calculation step, and the downstream protrusion amount is calculated in the protrusion amount transmission step. In the component mounter for which the downstream protrusion amount is calculated and the component mounter downstream of the component mounter, the downstream protrusion amount is subtracted from the second predetermined distance by the substrate transfer device. A substrate transfer control method for a component mounting line, wherein the protruding substrate is transferred from the mounting position by the distance of the mounting position and stopped at the standby position .
請求項1または2において、
前記はみ出し量算出工程で前記はみ出し量を算出した部品実装機より下流側の部品実装機において、前記はみ出し量算出工程で前記はみ出し量より大きい更新はみ出し量を算出し、かつ前記はみ出し量伝達工程で前記更新はみ出し量を順次伝達した場合に、前記はみ出し基板搬送工程では、前記更新はみ出し量を算出した前記下流側の部品実装機よりさらに下流側の部品実装機において、前記基板搬送装置によって前記所定距離から前記更新はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させる部品実装ラインの基板搬送制御方法。
In claim 1 or 2,
In the component mounter downstream of the component mounter that has calculated the protrusion amount in the protrusion amount calculation step, an updated protrusion amount that is larger than the protrusion amount is calculated in the protrusion amount calculation step, and the protrusion amount is transmitted in the protrusion amount transmission step. In the case where the updated protruding amount is sequentially transmitted, in the protruding substrate transporting step, in the component mounting machine on the further downstream side than the downstream component mounting machine that has calculated the updated protruding amount, the substrate transporting device determines from the predetermined distance. A board transfer control method for a component mounting line in which the protruding board is transferred by a distance obtained by subtracting the updated protruding amount and stopped at the predetermined position.
コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御装置であって、
各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出手段と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達手段と、
前記はみ出し量を算出した前記部品実装機より下流側の前記部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送手段と、を有し、
前記搬送経路に配置された基板センサが搬送途中の基板の上流側端部を検出してから、前記基板搬送装置によって前記基板を第1所定距離だけ搬送して前記実装位置に停止させ、
前記はみ出し基板搬送手段は、前記基板搬送装置によって前記はみ出し基板を搬送して前記実装位置に停止させるはみ出し基板搬入手段であり、
該はみ出し基板搬入手段では、前記はみ出し量算出手段で前記基板の上流側端部から前記部品が前記搬送方向にはみ出す上流側はみ出し量を算出し、かつ前記はみ出し量伝達手段で前記上流側はみ出し量を順次伝達した場合に、前記上流側はみ出し量を算出した部品実装機より下流側の部品実装機において、前記基板センサが搬送途中のはみ出し基板の前記上流側端部からはみ出した部品の上流側端部を検出してから、前記基板搬送装置によって前記第1所定距離から前記上流側はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記実装位置に停止させる部品実装ラインの基板搬送制御装置。
A conveyor belt transports a substrate by a predetermined distance in the transport direction along the transport path and stops the substrate at a predetermined position, and a component collected from the component supply device on the substrate stopped at the predetermined position as a mounting position. A plurality of component mounters each having a component transfer device to be mounted are arranged in series, and the substrate is sequentially carried into and out of each mounting position from the upstream side to the downstream side by each of the substrate transfer devices, A substrate transfer control device for a component mounting line for mounting the component on the substrate by the component transfer device,
In each of the component mounting machines, a protruding amount calculation unit that calculates the protruding amount when a component mounted on the substrate stopped at the mounting position protrudes from the end of the substrate in the transport direction;
A protruding amount transmission means for sequentially transmitting the protruding amount before sequentially transferring the protruding board from which the component protruded from the end of the board to the component mounting machine downstream of the component mounting machine that has calculated the protruding amount;
In the component mounter on the downstream side of the component mounter that has calculated the amount of protrusion, the substrate transfer device transports the protrusion substrate by a distance obtained by subtracting the amount of protrusion from the predetermined distance and stops it at the predetermined position. And a protruding substrate transfer means ,
After the substrate sensor disposed in the transport path detects the upstream end of the substrate being transported, the substrate transport device transports the substrate by a first predetermined distance and stops at the mounting position.
The protruding substrate transfer means is an protruding substrate carry-in means for transferring the protruding substrate by the substrate transfer device and stopping the protruding substrate at the mounting position.
In the protruding substrate carry-in means, the protruding amount calculation means calculates the upstream protruding amount that the component protrudes from the upstream end of the substrate in the transport direction, and the protruding amount transmission means calculates the upstream protruding amount. In the component mounting machine on the downstream side of the component mounting machine that has calculated the amount of protrusion on the upstream side when sequentially transmitted, the upstream side end part of the part that protrudes from the upstream side end part of the protruding board that is being transported by the board sensor And a board transport control device for a component mounting line that transports the protruding board by a distance obtained by subtracting the upstream protruding amount from the first predetermined distance by the board transporting device and stops at the mounting position .
コンベアベルトが搬送経路に沿って搬送方向に所定距離だけ基板を搬送して所定位置に停止させる基板搬送装置と、実装位置としての前記所定位置に停止された基板に部品供給装置から採取した部品を実装する部品移載装置とをそれぞれ備えた複数台の部品実装機を直列に配置し、各前記基板搬送装置によって上流側から下流側に向けて前記基板を各前記実装位置に順次搬入出し、各前記部品移載装置によって前記基板に前記部品を実装する部品実装ラインの基板搬送制御装置であって、
各前記部品実装機において、前記実装位置に停止された基板に実装される部品が基板端部から前記搬送方向にはみ出す場合に当該はみ出し量を算出するはみ出し量算出手段と、
前記はみ出し量を算出した部品実装機より下流側の部品実装機に、前記基板端部から前記部品がはみ出したはみ出し基板を順次搬送する以前に前記はみ出し量を順次伝達するはみ出し量伝達手段と、
前記はみ出し量を算出した前記部品実装機より下流側の前記部品実装機において、前記基板搬送装置によって前記所定距離から前記はみ出し量を減算した距離だけ前記はみ出し基板を搬送して前記所定位置に停止させるはみ出し基板搬送手段と、を有し、
前記部品移載装置が前記実装位置に停止された基板に前記部品の実装を終了すると、前記基板搬送装置によって当該基板を前記実装位置から第2所定距離だけ搬送して待機位置に停止させ、
前記はみ出し基板搬送手段は、前記基板搬送装置によって前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させるはみ出し基板待機搬送手段であり、
該はみ出し基板待機搬送手段では、前記はみ出し量算出手段で前記基板の下流側端部から前記部品が前記搬送方向にはみ出す下流側はみ出し量を算出し、かつ前記はみ出し量伝達手段で前記下流側はみ出し量を順次伝達した場合に、当該下流側はみ出し量を算出した部品実装機および当該部品実装機より下流側の部品実装機において、前記基板搬送装置によって前記第2所定距離から前記下流側はみ出し量を減算した距離だけ前記はみ出し基板を前記実装位置から搬送して前記待機位置に停止させる部品実装ラインの基板搬送制御装置。
A conveyor belt transports a substrate by a predetermined distance in the transport direction along the transport path and stops the substrate at a predetermined position, and a component collected from the component supply device on the substrate stopped at the predetermined position as a mounting position. A plurality of component mounters each having a component transfer device to be mounted are arranged in series, and the substrate is sequentially carried into and out of each mounting position from the upstream side to the downstream side by each of the substrate transfer devices, A substrate transfer control device for a component mounting line for mounting the component on the substrate by the component transfer device,
In each of the component mounting machines, a protruding amount calculation unit that calculates the protruding amount when a component mounted on the substrate stopped at the mounting position protrudes from the end of the substrate in the transport direction;
A protruding amount transmission means for sequentially transmitting the protruding amount before sequentially transferring the protruding board from which the component protruded from the end of the board to the component mounting machine downstream of the component mounting machine that has calculated the protruding amount;
In the component mounter on the downstream side of the component mounter that has calculated the amount of protrusion, the substrate transfer device transports the protrusion substrate by a distance obtained by subtracting the amount of protrusion from the predetermined distance and stops it at the predetermined position. And a protruding substrate transfer means ,
When the component transfer device finishes mounting the component on the substrate stopped at the mounting position, the substrate transfer device transports the substrate from the mounting position by a second predetermined distance and stops at the standby position.
The protruding substrate transfer means is an protruding substrate standby transfer means for transferring the protruding substrate from the mounting position by the substrate transfer device and stopping the protruding substrate at the standby position.
In the protruding substrate standby transfer means, the protruding amount calculation means calculates the downstream protruding amount of the component protruding from the downstream end of the substrate in the transfer direction, and the protruding amount transmission means calculates the downstream protruding amount. In the component mounter for which the downstream protrusion amount is calculated and the component mounter downstream of the component mounter, the downstream protrusion amount is subtracted from the second predetermined distance by the substrate transfer device. A board transport control device for a component mounting line that transports the protruding board from the mounting position by the distance of the distance and stops it at the standby position .
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