JP2004327591A - Finishing machine and its maintenance method - Google Patents

Finishing machine and its maintenance method Download PDF

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Publication number
JP2004327591A
JP2004327591A JP2003118282A JP2003118282A JP2004327591A JP 2004327591 A JP2004327591 A JP 2004327591A JP 2003118282 A JP2003118282 A JP 2003118282A JP 2003118282 A JP2003118282 A JP 2003118282A JP 2004327591 A JP2004327591 A JP 2004327591A
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JP
Japan
Prior art keywords
processing machine
maintenance
cover
switch
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2003118282A
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Japanese (ja)
Inventor
Nobuyuki Kakishima
信幸 柿島
Yoichi Tanaka
陽一 田中
Hirotaka Saito
広能 齊藤
Kazuyuki Nakano
和幸 中野
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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2003118282A priority Critical patent/JP2004327591A/en
Publication of JP2004327591A publication Critical patent/JP2004327591A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a maintenance key switch and an enabling switch had to be acted when enclosure is opened and maintenance work is done. <P>SOLUTION: When enclosures 15, 16, 17 are opened, for the sake of safety a power source of support vertical bulb 5 for regulating power of a motor 4 or a substrate P is cut off by a built-in safety circuit B, or only when maintenance is necessary, the safety circuit is made into useless, and power is returned. Such a specification apparatus is realized conventionally by two switches. This can be realized by operation level which can be set by a specified manager with an operation screen 18 and one switch 7a or 7b. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、加工機、特には回路基板に部品を実装する部品実装装置のメンテナンスに関するものである。
【0002】
【従来の技術】
従来の回路基板へ材料や部品を実装する実装装置では、設備のカバーを開けて作業者等が作業を可能にするとロボットなどが早い速度で動作している為、危険である。そこでカバーを開けた状態の作業を禁止している。しかし設備のメンテナンスを行う場合、カバーを開けてメンテナンス作業をする必要がある。その為、メンテナンス機能が必要となっている(例えば、特許文献1参照)。
【0003】
従来の実装装置のメンテナンス機能について、図6を参照して説明する。図6は実装装置の安全回路図である。図において、後部にあるトレイ部カバースイッチ1,後部カバースイッチ2,前部カバースイッチ3は各カバーが開くとスイッチのアクチュエータが外れて各カバーが開かれたことを検出できる機構となっている。
【0004】
カバーが開かれると安全回路Bが働き図3に示すロボット12等のモータ4の動力と基板Pを規正する為のサポートバルブ5の電源を切断する。カバーが開けられた場合、同時に内蔵されているコントローラ6に信号が通知され、ソフト的にもカバーが開けられた場合は緊急停止処理が働きモータ4を停止させ、モータ4のサーボロックをオフにする。カバーを開けてメンテナンスをしたい場合、カバー内に設置されているメンテナンススイッチ(前部)10aをon側にすると回路上は前部カバースイッチ3が短絡されたことになる。メンテナンススイッチ(後部)10b(以下キースイッチと示す)をON側にすると回路上はトレイ部カバースイッチ1,後部カバースイッチ2(以下総称してカバースイッチと示す)が短絡されたことになる。
【0005】
キースイッチ10a,10bは通常オペレータでは管理することができず、特定のメンテナンスを担当する人によって管理されている。次に別途設備のスタートスイッチ8を操作すると安全回路Bが無効になりモータ動力とサポートバルブ5の電源が復帰する。また例えばある位置から所定の位置へ直交ロボット12を動作させる場合は動作させる為のスイッチ19(JOGキーと呼ぶ)と別途設備のカバーに配置されているイネーブリングスイッチ9a、9bをメンテナンスする人が両手操作している間しか許可されない仕様になっている。どちらかのスイッチを放すと直交ロボット15は動作を停止する。
【0006】
【特許文献1】
特開平10−71592号公報
【0007】
【発明が解決しようとする課題】
しかし上記従来技術では、メンテナンス時に安全回路Bを無効とし可動部に動力を供給する為に2つのスイッチ(メンテナンスキースイッチ10a、10bとイネーブリングスイッチ9a、9b)を使用している為、煩わしく又設備のコストアップの要因にもなっていた。
【0008】
【課題を解決するための手段】
上記課題を解決するために本発明は、動力により動く可動部を覆うカバーを有する加工機において、前記加工機が稼働中に前記カバーを開けたことを検出する検出手段と、前記検出手段が検出した場合に少なくとも前記加工機の可動部の動力を遮断する安全回路と、前記加工機の操作可能範囲を特定する操作レベルを設定可能な操作レベル設定手段と、を設け、メンテナンス時に前記加工機が前記操作レベル設定手段により設定された特定の操作レベルと1つのスイッチで前記安全回路を無効にするメンテナンス制御回路を備えたことを特徴とするメンテナンス機能を提供する。
【0009】
【発明の実施の形態】
本発明の請求項1記載のメンテナンス制御回路Aを備えた加工機Cは、動力により動く可動部14他を覆うカバー15,16,17を有する加工機において、加工機Cが稼働中にカバー15、16,17を開けたことを検出する検出手段1,2,3と、検出手段1,2,3が検出した場合に少なくとも加工機Cの可動部14の動力を遮断する安全回路Bと、加工機Cの操作可能範囲を特定する操作レベルを設定可能な操作レベル設定手段18とを設け、メンテナンス時に加工機Cが操作レベル設定手段18により設定された特定の操作レベルと1つのスイッチ7a又は7bで前記安全回路Bを無効にするメンテナンス制御回路Aを備えたことを特徴とする。
【0010】
請求項2に記載の発明は、メンテナンス時の可動部14他は低速移動に限定されるとしたことを特徴とする。このようにすると、メンテナンス者が安全に作業できる。
【0011】
請求項3に記載の発明は、メンテナンス時の可動部14他は2つのスイッチ7aと19a又は7bと19bをメンテナンス者が両手で同時に操作することにより駆動可能なことを特徴とする。このようにすると、メンテナンス者が可動部に挟まれる心配がなく作業できる。
【0012】
請求項4に記載の加工機のメンテナンス方法は、動力により動く可動部を覆うカバーを有する加工機のメンテナンス方法であって、前記加工機が稼働中に前記カバーを開けたことを検出した際、可動部の動力を遮断して停止させた後、メンテナンス用に設定された特定の操作レベルと1つのスイッチにより、前記加工機の動力を供給することを特徴とする。
【0013】
請求項1と4によれば、メンテナンス者だけが可動部が稼働中にカバーを開けた場合であっても可動部を停止させた後に可動部を動かすことができる。
【0014】
以下本発明の実施の形態について、図1〜図5を用いて説明する。なお従来技術と同じ機能のものは同一の符号で示す。図1は本発明の一実施例を示す実装装置の安全回路図であり、図2,3は操作手段と操作レベル入力の説明図であり、図4は部品実装装置の可動部を示す斜視図であり、図5は部品実装装置のカバーを示す斜視図である。
【0015】
図において安全回路Bはカバー15,16,17が開いたかどうかを検出するカバースイッチ1,2,3を有しカバー15,16,17が開くとスイッチ1,2,3がカバーが開かれたことを検出する。
【0016】
この検出により部品実装装置に内蔵されている安全回路Bが働き、モータ4の動力と基板Pを規正する為のサポート上下バルブ5の電源を切断して安全停止状態になる。また同時に内蔵されているコントローラ6に信号が通知されソフト的にも緊急停止処理が働きモータを停止させ、モータ4のサーボロックを切る。
【0017】
操作レベル設定手段である操作画面18から予め設定されたパスワードを入力することにより操作レベルの切り替えを行うことができる。ここで例えば操作レベル1は最下層で通常のオペレータ用、操作レベル2は中間層でメンテナンス用、操作レベル3は最上層とする。
【0018】
カバー1,2又は3を開けたままでメンテナンスをしたい場合、メンテナンス者が所有するパスワードを操作画面18から入力し操作レベルを2にするとともに、カバーの外側に設置されたイネーブリングスイッチ7a又は7bをonにすることでリレー11がONになり、カバースイッチ1,2、3が短絡する。操作レベルを1に戻した場合はリレー11がOFFになり、可動部への動力は遮断され安全停止の状態になる。
【0019】
次にスタートスイッチ8を操作すると安全回路Bが復帰して可動部のモータ4を駆動する動力と基板Pを規正する為のサポート上下シリンダ13のエアーを制御する電磁弁5の電源が復帰する。
【0020】
なお、カバー1,2又は3を開けた後にイネーブリングスイッチ7a又は7bで安全回路Bを復帰させた場合はイネーブリングスイッチ7a又は7bの信号がコントローラ6へ通知されており、可動部例えば直交ロボットの移動については略20mm/s以下の安全な低速度で動作するように設定されている。これはイネーブリングスイッチの信号とカバースイッチの信号から安全回路を解除した時にのみモータの低速度に制御することで行う。
【0021】
また、ある位置から所定の位置へ軸を動作させる場合は軸を動作させる為のスイッチ(JOGキーと呼ぶ)とイネーブリングスイッチをメンテナンスする人が両手操作している間しか許可されない仕様になっている。どちらかのスイッチを放すと軸は動作を停止する。特にイネーブリングスイッチを放した場合は安全停止になる。
【0022】
【発明の効果】
本発明によれば、回路基板上へ材料や部品を実装する実装装置において、カバーを開けた場合に安全確保の為、モータ動力や基板を規正する為のサポート上下バルブの電源を内蔵された安全回路で切るが、メンテナンスが必要な場合のみ安全回路を無効にし動力を復帰させることが可能な仕様であるものを、従来2つのスイッチで実現したが、これを操作画面で特定の管理者が設定できる操作レベルと1つのスイッチで実現する仕様としたメンテナンス機能を提供することが出来る。
【図面の簡単な説明】
【図1】本発明の一実施例を示す安全回路図
【図2】本発明の一実施例を示す操作レベル入力説明図
【図3】本発明の一実施例を示す操作手段と操作レベル入力の説明図
【図4】部品実装装置の可動部を示す斜視図
【図5】部品実装装置のカバーを示す斜視図
【図6】従来の安全回路図
【符号の説明】
検出手段 1,2,3
スイッチ 7a、7b,19a,19b
直交ロボット 12
可動部 14
カバー 15,16,17
操作レベル設定手段 18
メンテナンス制御回路 A
安全回路 B
加工機(部品実装装置) C
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to maintenance of a processing machine, particularly to a component mounting apparatus that mounts components on a circuit board.
[0002]
[Prior art]
In a conventional mounting apparatus for mounting a material or a component on a circuit board, it is dangerous to open a cover of equipment and allow a worker or the like to work, because a robot or the like operates at a high speed. Therefore, work with the cover open is prohibited. However, when performing maintenance of the equipment, it is necessary to open the cover and perform maintenance work. Therefore, a maintenance function is required (for example, see Patent Document 1).
[0003]
The maintenance function of the conventional mounting apparatus will be described with reference to FIG. FIG. 6 is a safety circuit diagram of the mounting apparatus. In the figure, a tray cover switch 1, a rear cover switch 2, and a front cover switch 3 at the rear have a mechanism capable of detecting that each switch is opened, the actuator of the switch being disengaged and each cover being opened.
[0004]
When the cover is opened, the safety circuit B operates to turn off the power of the motor 4 of the robot 12 and the like and the power of the support valve 5 for regulating the substrate P as shown in FIG. When the cover is opened, a signal is notified to the built-in controller 6 at the same time. When the cover is opened in software, an emergency stop process is performed to stop the motor 4 and turn off the servo lock of the motor 4. I do. When the maintenance is to be performed with the cover opened, the maintenance switch (front) 10a installed in the cover is turned on, which means that the front cover switch 3 is short-circuited on the circuit. When the maintenance switch (rear part) 10b (hereinafter referred to as a key switch) is turned ON, the tray cover switch 1 and the rear cover switch 2 (hereinafter collectively referred to as a cover switch) are short-circuited on the circuit.
[0005]
The key switches 10a and 10b cannot be normally managed by an operator, but are managed by a person in charge of a specific maintenance. Next, when the start switch 8 of the equipment is separately operated, the safety circuit B is invalidated, and the motor power and the power supply of the support valve 5 are restored. For example, when operating the orthogonal robot 12 from a certain position to a predetermined position, a person who maintains the switch 19 (referred to as a JOG key) for operation and the enabling switches 9a and 9b separately arranged on the cover of the equipment has two hands. It is a specification that is permitted only during operation. When either switch is released, the orthogonal robot 15 stops operating.
[0006]
[Patent Document 1]
JP-A-10-71592
[Problems to be solved by the invention]
However, in the above-mentioned prior art, two switches (maintenance key switches 10a and 10b and enabling switches 9a and 9b) are used for disabling the safety circuit B during maintenance and supplying power to the movable part, which is cumbersome and complicated. Was also a factor in cost increase.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the present invention provides a processing machine having a cover that covers a movable part that is moved by power, a detecting unit that detects that the cover is opened while the processing machine is operating, and a detecting unit that detects the opening of the cover. In this case, at least a safety circuit that shuts off the power of the movable part of the processing machine, and an operation level setting unit that can set an operation level that specifies an operable range of the processing machine, are provided, A maintenance function is provided, comprising a maintenance control circuit for disabling the safety circuit with a specific operation level set by the operation level setting means and one switch.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
The processing machine C provided with the maintenance control circuit A according to the first aspect of the present invention is a processing machine having covers 15, 16, 17 covering the movable portion 14 and the like that move by power. , 16, 17, and a safety circuit B for shutting off at least the power of the movable part 14 of the processing machine C when the detecting means 1, 2, 3 detects it. An operation level setting means 18 capable of setting an operation level for specifying an operable range of the processing machine C is provided, and the processing machine C is connected to a specific operation level set by the operation level setting means 18 and one switch 7a or 7b, a maintenance control circuit A for disabling the safety circuit B is provided.
[0010]
The invention described in claim 2 is characterized in that the movable part 14 and others during maintenance are limited to low-speed movement. In this way, the maintenance person can work safely.
[0011]
The invention according to claim 3 is characterized in that the movable part 14 and the like at the time of maintenance can be driven by the maintenance person simultaneously operating the two switches 7a and 19a or 7b and 19b with both hands. In this way, the maintenance person can work without worrying of being caught by the movable part.
[0012]
The maintenance method for a processing machine according to claim 4 is a maintenance method for a processing machine having a cover that covers a movable portion that is moved by power, and when it is detected that the cover is opened while the processing machine is operating, After the power of the movable part is shut off and stopped, the power of the processing machine is supplied by a specific operation level and one switch set for maintenance.
[0013]
According to the first and fourth aspects, even when only the maintenance person opens the cover while the movable part is operating, the movable part can be moved after the movable part is stopped.
[0014]
An embodiment of the present invention will be described below with reference to FIGS. Those having the same functions as those of the prior art are denoted by the same reference numerals. FIG. 1 is a safety circuit diagram of a mounting apparatus showing one embodiment of the present invention, FIGS. 2 and 3 are explanatory diagrams of operation means and operation level inputs, and FIG. 4 is a perspective view showing a movable portion of the component mounting apparatus. FIG. 5 is a perspective view showing a cover of the component mounting apparatus.
[0015]
In the figure, the safety circuit B has cover switches 1, 2, and 3 for detecting whether the covers 15, 16, and 17 are opened. When the covers 15, 16, and 17 are opened, the switches 1, 2, and 3 are opened. Detect that.
[0016]
By this detection, the safety circuit B built in the component mounting apparatus operates to turn off the power of the motor 4 and the power supply of the support up-and-down valve 5 for regulating the board P, thereby bringing into a safe stop state. At the same time, a signal is notified to the built-in controller 6, and an emergency stop process is also performed in software to stop the motor and break the servo lock of the motor 4.
[0017]
The operation level can be switched by inputting a preset password from the operation screen 18 as the operation level setting means. Here, for example, the operation level 1 is the lowest layer for normal operators, the operation level 2 is the middle layer for maintenance, and the operation level 3 is the uppermost layer.
[0018]
When maintenance is desired to be performed with the cover 1, 2, or 3 opened, the password owned by the maintenance person is input from the operation screen 18 to set the operation level to 2, and the enabling switch 7a or 7b provided outside the cover is turned on. , The relay 11 is turned on, and the cover switches 1, 2, and 3 are short-circuited. When the operation level is returned to 1, the relay 11 is turned off, the power to the movable unit is shut off, and a safe stop state is set.
[0019]
Next, when the start switch 8 is operated, the safety circuit B is restored, and the power for driving the motor 4 of the movable portion and the power supply for the solenoid valve 5 for controlling the air of the support upper and lower cylinders 13 for regulating the substrate P are restored.
[0020]
When the safety circuit B is restored by the enabling switch 7a or 7b after the cover 1, 2, or 3 is opened, the signal of the enabling switch 7a or 7b is notified to the controller 6, and the movable unit, for example, the movement of the orthogonal robot Is set to operate at a safe low speed of about 20 mm / s or less. This is performed by controlling the motor at a low speed only when the safety circuit is released from the signal of the enabling switch and the signal of the cover switch.
[0021]
In addition, when the shaft is operated from a certain position to a predetermined position, the specification is such that a switch for operating the shaft (referred to as a JOG key) and an enabling switch are permitted only while the maintenance person is operating both hands. . Releasing either switch causes the axis to stop moving. In particular, when the enabling switch is released, a safe stop occurs.
[0022]
【The invention's effect】
According to the present invention, in a mounting apparatus for mounting a material or a component on a circuit board, in order to ensure safety when a cover is opened, a power supply for a motor power and a support upper and lower valve for regulating the board is built in. Although it is cut off with a circuit, the safety circuit can be disabled only when maintenance is required and the power can be restored, but it was realized with two switches in the past, but this was set by a specific administrator on the operation screen It is possible to provide an operation level that can be achieved and a maintenance function that is designed to be realized by one switch.
[Brief description of the drawings]
FIG. 1 is a safety circuit diagram showing one embodiment of the present invention. FIG. 2 is an explanatory diagram of an operation level input showing one embodiment of the present invention. FIG. 3 is an operation means and an operation level input showing one embodiment of the present invention. FIG. 4 is a perspective view showing a movable portion of the component mounting apparatus. FIG. 5 is a perspective view showing a cover of the component mounting apparatus. FIG. 6 is a conventional safety circuit diagram.
Detection means 1, 2, 3
Switches 7a, 7b, 19a, 19b
Cartesian robot 12
Movable part 14
Covers 15, 16, 17
Operation level setting means 18
Maintenance control circuit A
Safety circuit B
Processing machine (component mounting device) C

Claims (4)

動力により動く可動部を覆うカバーを有する加工機において、前記加工機が稼働中に前記カバーを開けたことを検出する検出手段と、前記検出手段が検出した場合に少なくとも前記加工機の可動部の動力を遮断する安全回路と、前記加工機の操作可能範囲を特定する操作レベルを設定可能な操作レベル設定手段と、を設け、メンテナンス時に前記加工機が前記操作レベル設定手段により設定された特定の操作レベルと1つのスイッチで前記安全回路を無効にするメンテナンス制御回路を備えた加工機。In a processing machine having a cover that covers a movable portion that is moved by power, a detection unit that detects that the cover is opened while the processing machine is operating, and at least a movable unit of the processing machine when the detection unit detects the cover. A safety circuit for shutting off power, and an operation level setting means capable of setting an operation level for specifying an operable range of the processing machine are provided, and the processing machine is provided with a specific level set by the operation level setting means during maintenance. A processing machine comprising a maintenance control circuit for disabling the safety circuit with an operation level and one switch. メンテナンス時の前記可動部は低速移動に限定されることを特徴とする請求項1記載の加工機。The processing machine according to claim 1, wherein the movable part at the time of maintenance is limited to low-speed movement. メンテナンス時の前記可動部は2つのスイッチをメンテナンス者が両手で同時に操作することにより駆動可能なことを特徴とする請求項1または2に記載の加工機。3. The processing machine according to claim 1, wherein the movable portion at the time of maintenance can be driven by two operators simultaneously operating two switches with both hands. 4. 動力により動く可動部を覆うカバーを有する加工機のメンテナンス方法であって、前記加工機が稼働中に前記カバーを開けたことを検出した際、可動部の動力を遮断して停止させた後、メンテナンス用に設定された特定の操作レベルと1つのスイッチにより、前記加工機の動力を供給する加工機のメンテナンス方法。A maintenance method for a processing machine having a cover that covers a movable part that is moved by power, and when detecting that the cover is opened while the processing machine is operating, after stopping and stopping the power of the movable part, A maintenance method for a processing machine that supplies power to the processing machine with a specific operation level set for maintenance and one switch.
JP2003118282A 2003-04-23 2003-04-23 Finishing machine and its maintenance method Pending JP2004327591A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010080939A (en) * 2008-08-29 2010-04-08 Juki Corp Electronic component mounting apparatus
JP2014187156A (en) * 2013-03-22 2014-10-02 Hitachi High-Tech Instruments Co Ltd Motor control method in mounting work device and mounting work device
JP2018060956A (en) * 2016-10-07 2018-04-12 パナソニックIpマネジメント株式会社 Component mounting apparatus and control method of component mounting apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010080939A (en) * 2008-08-29 2010-04-08 Juki Corp Electronic component mounting apparatus
JP2014187156A (en) * 2013-03-22 2014-10-02 Hitachi High-Tech Instruments Co Ltd Motor control method in mounting work device and mounting work device
JP2018060956A (en) * 2016-10-07 2018-04-12 パナソニックIpマネジメント株式会社 Component mounting apparatus and control method of component mounting apparatus

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