JP2531393B2 - Machine tool door safety device - Google Patents
Machine tool door safety deviceInfo
- Publication number
- JP2531393B2 JP2531393B2 JP3315300A JP31530091A JP2531393B2 JP 2531393 B2 JP2531393 B2 JP 2531393B2 JP 3315300 A JP3315300 A JP 3315300A JP 31530091 A JP31530091 A JP 31530091A JP 2531393 B2 JP2531393 B2 JP 2531393B2
- Authority
- JP
- Japan
- Prior art keywords
- axis
- axis motor
- door
- motor
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
- B23Q11/0891—Protective coverings for parts of machine tools; Splash guards arranged between the working area and the operator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/64—Movable or adjustable work or tool supports characterised by the purpose of the movement
- B23Q1/66—Worktables interchangeably movable into operating positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、機体カバーにドアを
設けた工作機械のドア開き時安全装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening safety device for a machine tool having a machine body cover provided with a door.
【０００２】[0002]
【従来の技術】従来、マシニングセンタ等の自動運転工
作機械では、全体を機体カバーで覆い、作業者の安全と
共に、切削液や切粉の飛散防止、駆動部への塵埃の侵入
防止等を図っている。2. Description of the Related Art Conventionally, in an automatic operating machine tool such as a machining center, the whole body is covered with a machine cover to prevent operator's safety, prevent scattering of cutting fluid and chips, and prevent dust from entering the drive section. There is.
【０００３】機体カバーには、工具やワークの交換等の
ために、ドアが設けてあるが、通常は作業者の安全のた
めに、ドアの開き状態ではコラムや主軸を駆動する各軸
モータが動作できないようにインタロック手段を設けて
いる。Doors are provided in the machine body cover for exchanging tools and works, etc. Normally, for the safety of the operator, each axis motor for driving the column and the main shaft when the door is open is provided. Interlock means is provided to prevent operation.
【０００４】[0004]
【発明が解決しようとする課題】しかし、前記インタロ
ック手段は、モータの電源回路を接続状態に保ったまま
で、制御系のモータ駆動指令を出さないようにする手段
であるため、制御系の誤動作や、作業者の誤操作等によ
り、ドアが開いたままでモータが駆動される恐れがあ
る。特に、２人以上で作業を行う場合に、誤操作でイン
タロックにかからないように操作をしてしまい、ドアが
開いたままで不用意にモータを駆動させることがある。
そのため、作業者の安全性を十分に確保することが難し
いという問題点があった。However, since the interlock means is a means for preventing the motor drive command of the control system from being issued while keeping the power supply circuit of the motor in the connected state, malfunction of the control system occurs. Alternatively, the motor may be driven with the door open due to an erroneous operation by the operator. In particular, when working by two or more people, an operation may be performed by mistake so that the interlock is not applied, and the motor may be inadvertently driven with the door open.
Therefore, there is a problem that it is difficult to sufficiently secure the safety of the worker.
【０００５】この発明の目的は、ドアの開き状態で、各
軸モータの電源回路の開閉器を確実にオフ状態とし、作
業者の安全を確保することのできる工作機械のドア開き
時安全装置を提供することである。An object of the present invention is to provide a door opening safety device for a machine tool capable of reliably turning off the switch of the power supply circuit of each axis motor when the door is open to ensure the safety of the operator. Is to provide.
【０００６】[0006]
【課題を解決するための手段】この発明の工作機械のド
ア開き時安全装置は、機体カバー（１０）のドア（１
１）が開いたことを検出するドア開検出器（２４）と、
このドア開検出器（２４）の検出信号に応答して、各軸
モータ（３１）〜（３５）に対する動作指令の出力を不
能にするインタロックをかけると共に、各軸モータ（３
１）〜（３５）の電源回路（２９）に介在された開閉器
（３１ｘ）〜（３５ｓｐ）を開いて各軸モータ（３１）
〜（３５）への動力を遮断する制御手段（２７）を設け
たものである。 A door opening safety device for a machine tool according to the present invention comprises a door (1) of a machine body cover (10).
A door open detector (24) for detecting that 1) is opened;
In response to the detection signal of the door open detector (24) , an interlock for disabling the output of the operation command to each of the axis motors (31) to (35) is performed, and each axis motor (3
Switches interposed in the power supply circuits (29) of 1) to (35)
Open (31x) to (35sp) to drive each axis motor (31)
Control means (27) for cutting off power to (35) is provided
It is a thing.
【０００７】[0007]
【作用】この構成によると、機体カバー（１０）のドア
（１１）が開くと、ドア開検出器（２４）がこれを検出
し、その検出信号に応答して、制御手段（２７）の制御
により、各軸のモータ制御回路がオフ状態に切換られ、
かつ各軸モータ（３１）〜（３５）の電源回路（２９）
に介在された開閉器（３１ｘ）〜（３５ｓｐ）が遮断さ
れる。そのため、制御系の誤動作や作業者による誤操作
でモータ（３１）〜（３５）が作動することがなく、作
業者は機体カバー（１０）内での工具（Ｔ）の交換など
の作業を確実に安全状態で行うことができる。According to this structure, when the door (11) of the machine body cover (10) is opened, the door open detector (24) detects this and controls the control means (27) in response to the detection signal.
The motor control circuit of each axis switching is in the OFF state,
And the power supply circuit (29) for each axis motor (31) to (35)
The switches (31x) to (35sp) interposed in the
It is . Therefore, the motors (31) to (35) do not operate due to the malfunction of the control system or the malfunction of the operator, and the worker surely performs the work such as the replacement of the tool (T) in the machine body cover (10). It can be done in a safe state.
【０００８】[0008]
【実施例】この発明の一実施例を図１および図２に基づ
いて説明する。図１において、ベッド１に設けたレール
２上に、スライドベース３が前後（Ｚ軸方向）移動可能
に設置され、スライドベース３に設けたレール７上に、
コラム４が左右（Ｘ軸方向）移動可能に搭載されてい
る。スライドベース３の前後駆動はＺ軸モータ33によっ
て行われ、コラム４の左右駆動はＸ軸モータ31によって
行われる。コラム４は、工具Ｔを回転させる主軸頭５を
昇降（Ｙ軸方向）可能に設置したものであり、多数の工
具Ｔを保持した工具マガジン６が前面の上端に設けられ
ている。主軸頭５の昇降駆動は、Ｙ軸モータ32によって
行われ、主軸頭５の回転駆動は主軸モータ35によって行
われる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In FIG. 1, a slide base 3 is installed on a rail 2 provided on a bed 1 so as to be movable back and forth (Z-axis direction), and on a rail 7 provided on the slide base 3,
The column 4 is mounted so as to be movable left and right (X-axis direction). The slide base 3 is driven back and forth by a Z-axis motor 33, and the column 4 is driven left and right by an X-axis motor 31. The column 4 is provided with a spindle head 5 for rotating the tool T so that it can be moved up and down (Y-axis direction), and a tool magazine 6 holding a large number of tools T is provided at the upper end of the front surface. The Y-axis motor 32 drives the spindle head 5 up and down, and the spindle motor 35 drives the spindle head 5 to rotate.
【０００９】ベッド１の前部には、治具８を載せて回転
可能な回転テーブル９が設けてあり、治具８は段取り側
と加工側との２個のワークＷを装着可能に形成されてい
る。回転テーブル９の回転駆動はＢ軸モータ34によって
行われる。コラム４および回転テーブル９は機体カバー
10で覆ってあり、その外部に操作盤12がアーム13を介し
て設置されている。At the front of the bed 1, there is provided a rotary table 9 on which a jig 8 can be placed and which is rotatable. The jig 8 is formed so that two workpieces W can be mounted on the setup side and the processing side. ing. The rotary table 9 is rotationally driven by the B-axis motor 34. Column 4 and rotary table 9 are machine covers
It is covered with 10, and an operation panel 12 is installed outside it via an arm 13.
【００１０】機体カバー10は、その正面に正面ドア11を
設けると共に、内部を段取り空間15と加工空間16とに前
後に仕切る内部カバー14が、治具８の中央に設けられて
いる。内部カバー14には、工具交換窓17が設けられ、こ
の窓17に開閉駆動装置18で開閉されるシャッタ19が設け
てある。The machine body cover 10 is provided with a front door 11 on its front surface, and an inner cover 14 for partitioning the inside into a setup space 15 and a processing space 16 is provided in the center of the jig 8. A tool exchange window 17 is provided in the inner cover 14, and a shutter 19 that is opened and closed by an opening / closing drive device 18 is provided in the window 17.
【００１１】正面ドア11は、図２に示すように２枚が引
き戸式に設けられ、各々上下のレール20，21に沿って側
方へスライド移動自在に支持されている。正面ドア11に
は、手動開閉用の把手22と透明窓23とが設けてある。ま
た、正面ドア11のスライド経路の上方には、各々近接ス
イッチ等からなる閉じ検出器24と開き検出器25とが設け
られている。工具交換窓17に設けたシャッタ19は、ガイ
ド手段（図示せず）でスライド自在に支持してあり、前
記開閉駆動装置18により開閉駆動される。その開閉駆動
装置18は、図１の操作盤12に設けたシャッタ開閉スイッ
チ26の操作により駆動される。As shown in FIG. 2, two front doors 11 are provided in a sliding door type, and are supported slidably laterally along upper and lower rails 20 and 21, respectively. The front door 11 is provided with a handle 22 for manual opening and closing and a transparent window 23. Further, above the slide path of the front door 11, a close detector 24 and an open detector 25, each of which includes a proximity switch or the like, are provided. A shutter 19 provided on the tool exchange window 17 is slidably supported by guide means (not shown), and is opened / closed by the opening / closing drive device 18. The opening / closing drive device 18 is driven by operating a shutter opening / closing switch 26 provided on the operation panel 12 of FIG.
【００１２】図１において、制御装置27はマシニングセ
ンタの全体を制御するＮＣ装置およびプログラマブルコ
ントローラ等からなり、その安全手段としてインタロッ
ク手段28および動力断手段30が設けてある。インタロッ
ク手段28は、正面ドア11の開き状態で各軸サーボモータ
31〜35に対する動作指令の出力を不能にする手段で構成
される。動力断手段30は、閉じ検出器24で検出される正
面ドア11の開き検出信号に応答して各軸モータ31〜35等
の電源回路29における電磁接触器31ｘ，32ｙ，33ｚ，34
ｂ，35ｓｐを遮断状態に切り換える手段である。In FIG. 1, a control device 27 comprises an NC device for controlling the entire machining center, a programmable controller, etc., and an interlock means 28 and a power cutoff means 30 are provided as safety means thereof. The interlock means 28 is a servo motor for each axis when the front door 11 is open.
It is configured by means for disabling the output of operation commands to 31 to 35. The power disconnecting means 30 responds to an opening detection signal of the front door 11 detected by the closing detector 24, and electromagnetic contactors 31x, 32y, 33z, 34 in the power supply circuit 29 of the respective axis motors 31-35.
It is a means for switching b and 35sp to the cutoff state.
【００１３】上記構成によると、工具交換等に際して、
正面ドア11を開いたときに、次のように動力断手段30に
より各軸モータ31〜35の電源回路29の電磁接触器31ｘ，
32ｙ，33ｚ，34ｂ，35ｓｐが遮断状態とされ、安全が確
保される。According to the above arrangement, when changing tools, etc.
When the front door 11 is opened, the magnetic contactor 31x of the power supply circuit 29 of each axis motor 31 to 35 is driven by the power disconnecting means 30 as follows.
32y, 33z, 34b and 35sp are cut off to ensure safety.
【００１４】上記工程において正面ドア11を開けてから
正面ドア11を閉じるまでの動作は、図３に示すタイミン
グチャートに従って以下のように行われる。 ａ．正面ドア11の開により、閉じ検出器24のオフ信号が
制御装置27の動力断手段30に与えられる。 ｂ．これを受けて、動力断手段30では第１の遅延タイマ
ＴＭ１が一定時間後にタイムアップし、動力断手段30が
作動可能の状態になる。 ｃ．遅延タイマＴＭ１のタイムアップから所定時間αが
経過すると、第２の遅延タイマＴＭ２がタイムアップす
る。In the above process, the operation from the opening of the front door 11 to the closing of the front door 11 is performed as follows according to the timing chart shown in FIG. a. When the front door 11 is opened, the off signal of the closing detector 24 is given to the power cut-off means 30 of the control device 27. b. In response to this, in the power cut-off means 30, the first delay timer TM1 is timed up after a fixed time, and the power cut-off means 30 becomes operable. c. When the predetermined time α has elapsed from the time-up of the delay timer TM1, the second delay timer TM2 times up.
【００１５】ｄ．遅延タイマＴＭ２のタイムアップによ
り、全動力を遮断する指標である動力断フラグが立ち上
がる。 ｅ．上記動力断フラグの立ち上がりに応じて、Ｘ軸モー
タ31、Ｙ軸モータ32、Ｚ軸モータ33、Ｂ軸モータ34など
の送り用モータを一時停止させる指標である一時停止フ
ラグが立ち上がる。 ｆ．次にＸ軸モータ31、Ｙ軸モータ32、Ｚ軸モータ33、
Ｂ軸モータ34を停止させる指標である軸停止フラグが立
ち上がる。 ｇ．上記軸停止フラグの立ち上がりに応じて、上記各軸
モータ31〜34のモータ制御回路（図示せず）をオフ状態
に切換え指令する指標である軸サーボオフ指令フラグが
立ち上がる。D. As the time of the delay timer TM2 increases, a power cut flag, which is an index for cutting off all power, rises. e. A temporary stop flag, which is an index for temporarily stopping the feed motors such as the X-axis motor 31, the Y-axis motor 32, the Z-axis motor 33, and the B-axis motor 34, rises in response to the rising of the power-off flag. f. Next, X-axis motor 31, Y-axis motor 32, Z-axis motor 33,
An axis stop flag, which is an index for stopping the B-axis motor 34, rises. g. In response to the rising of the axis stop flag, the axis servo OFF command flag, which is an index for switching the motor control circuit (not shown) of each of the axis motors 31 to 34 to the OFF state, rises.
【００１６】ｈ．上記軸サーボオフ指令フラグの立ち上
がりに応答して、上記軸モータ制御回路がオフに切り換
えられる。 ｉ．Ｙ軸モータ制御回路のオフへの切換えと共に、Ｙ軸
モータ32に制動をかけるＹ軸ブレーキがオフ状態からオ
ン状態に切り換えられる。 ｊ．上記Ｙ軸ブレーキのオン状態への切換えから所定時
間βが経過すると、第３の遅延タイマＴＭ３がタイムア
ップする。 ｋ．前記動力断フラグの立ち上がりと、上記遅延タイマ
ＴＭ３のタイムアップとにより、各軸モータ31〜34を最
終的に遮断状態にする指令を指標する軸最終動力断フラ
グが立ち上がる。H. In response to the rising of the axis servo off command flag, the axis motor control circuit is switched off. i. Along with the switching off of the Y-axis motor control circuit, the Y-axis brake for braking the Y-axis motor 32 is switched from the off state to the on state. j. When a predetermined time β has elapsed since the Y-axis brake was turned on, the third delay timer TM3 expires. k. By the rise of the power cut flag and the time-up of the delay timer TM3, the axis final power cut flag indicating a command to finally shut off each of the axis motors 31-34 rises.
【００１７】ｌ．上記軸最終動力断フラグの立ち上がり
により、各軸モータ31〜34の電磁接触器31ｘ，32ｙ，33
ｚ，34ｂをオン・オフ制御する電磁接触器制御部（図示
せず）から、電磁接触器31ｘ〜34ｂに対してオフ制御信
号が与えられる。 ｍ．上記電磁接触器制御部からのオフ制御信号の出力に
応答して、各軸モータ31〜34および主軸モータ35を通電
状態にするための指標である動力入フラグが立ち下が
る。 ｎ．また、上記電磁接触器制御部からのオフ制御信号を
上記電磁接触器の駆動コイルが受け取り、その結果、各
軸モータ31〜34の電磁接触器31ｘ〜34ｂはオフ状態に切
り換えられる。L. The rising of the shaft final power cutoff flag causes electromagnetic contactors 31x, 32y, 33 of the motors 31-34 of the respective axes to be released.
An OFF control signal is given to the electromagnetic contactors 31x to 34b from an electromagnetic contactor control unit (not shown) that controls ON / OFF of the z and 34b. m. In response to the output of the OFF control signal from the electromagnetic contactor control unit, the power-on flag, which is an index for putting the respective axis motors 31 to 34 and the spindle motor 35 into the energized state, rises. n. Further, the drive coil of the electromagnetic contactor receives the OFF control signal from the electromagnetic contactor control unit, and as a result, the electromagnetic contactors 31x to 34b of the shaft motors 31 to 34 are switched to the OFF state.
【００１８】ｏ．一方、前記動力断フラグの立ち上がり
に応じて、主軸モータ35が正転、逆転、オリエントのい
ずれの状態でもないことを指標する主軸停止フラグが立
ち上がる。 ｐ．上記主軸停止フラグの立ち上がりにより、主軸モー
タ35のモータ制御回路をオフ状態に切換え指令する指標
である主軸サーボオフ指令フラグが立ち上がる。 ｑ．上記主軸サーボオフ指令フラグの立ち上がりに応じ
て、上記主軸モータ制御回路がオフに切り換えられる。 ｒ．上記主軸モータ制御回路がオフに切り換えられてか
ら所定時間γが経過すると、第４の遅延タイマＴＭ４が
タイムアップする。O. On the other hand, in response to the rise of the power cut flag, the spindle stop flag that indicates that the spindle motor 35 is in neither normal rotation, reverse rotation nor orientation is raised. p. When the spindle stop flag rises, the spindle servo OFF command flag, which is an index for instructing to switch the motor control circuit of the spindle motor 35 to the OFF state, rises. q. The spindle motor control circuit is switched off in response to the rising of the spindle servo off command flag. r. When a predetermined time γ has passed since the spindle motor control circuit was switched off, the fourth delay timer TM4 expires.
【００１９】ｓ．前記動力断フラグの立ち上がりと、上
記遅延タイマＴＭ４のタイムアップとにより、主軸モー
タ35を最終的に遮断状態にする指令を指標する主軸最終
動力断フラグが立ち上がる。 ｔ．上記主軸最終動力断フラグの立ち上がりにより、主
軸モータ35の電磁接触器35ｓｐをオン・オフ制御する電
磁接触器制御部（図示せず）から、電磁接触器35ｓｐに
対してオフ制御信号が与えられる。 ｕ．上記電磁接触器制御部からのオフ制御信号を上記電
磁接触器の駆動コイルが受け取り、その結果、主軸モー
タ35の電磁接触器35ｓｐはオフ状態に切り換えられる。S. By the rise of the power cutoff flag and the time-up of the delay timer TM4, the spindle final power cutoff flag indicating a command to finally shut off the spindle motor 35 rises. t. When the main spindle final power interruption flag rises, an OFF control signal is given to the electromagnetic contactor 35sp from an electromagnetic contactor control unit (not shown) that controls the ON / OFF of the electromagnetic contactor 35sp of the spindle motor 35. u. The drive coil of the electromagnetic contactor receives the OFF control signal from the electromagnetic contactor controller, and as a result, the electromagnetic contactor 35sp of the spindle motor 35 is switched to the OFF state.
【００２０】このようにして全ての動力が、正面ドア11
の開き動作に応じて遮断状態となる。したがって、この
間、作業者は安全に工具交換等の作業を行うことができ
る。正面ドア11を閉じてから、動力が遮断状態から動作
可能の状態に復帰する手順についてはここでは詳述しな
いが、以上の動作とほぼ逆の手順により、図３のタイミ
ングチャートで示すように行われる。In this way, all power is applied to the front door 11
The cutoff state occurs in accordance with the opening operation of Therefore, during this period, the worker can safely perform work such as tool exchange. The procedure for returning the power from the shut-off state to the operable state after closing the front door 11 will not be described in detail here, but the procedure is almost the reverse of the above-described operation, as shown in the timing chart of FIG. Be seen.
【００２１】[0021]
【発明の効果】この発明の工作機械のドア開き時安全装
置は、ドアの開き検出信号に応答して、各軸モータに対
する動作指令の出力を不能にするインタロックをかける
と共に、各軸モータの電源回路に介在された開閉器を開
いて各軸モータへの動力を遮断する制御手段を設けたた
め、制御系の誤動作や作業者による誤動作で不用意に各
軸が動作することがなく、作業者は機械カバー内での工
具交換などの作業を安全状態で行うことができる。Industrial Applicability The door opening safety device for machine tools of the present invention responds to the door opening detection signal in response to each axis motor .
Interlock that disables the output of motion commands
At the same time, open the switch that is interposed in the power supply circuit of each axis motor.
And equipped with control means to shut off the power to each axis motor.
Therefore, each axis does not inadvertently move due to a malfunction of the control system or a malfunction of the worker, and the worker can perform work such as tool exchange in the machine cover in a safe state.
【図１】この発明の一実施例の破断側面図および機能ブ
ロック図を組み合わせた構成説明図である。FIG. 1 is a configuration explanatory view in which a broken side view and a functional block diagram of an embodiment of the present invention are combined.
【図２】その機体カバーの部分拡大正面図である。FIG. 2 is a partially enlarged front view of the machine body cover.
【図３】その動作を示すタイミングチャートである。FIG. 3 is a timing chart showing the operation.
４…コラム、５…主軸頭、８…治具、９…回転テーブ
ル、10…機体カバー、11…正面ドア、24…閉じ検出器、
27…制御装置、28…インタロック手段、29…電源回路、
30…動力断手段、31…Ｘ軸モータ、32…Ｙ軸モータ、33
…Ｚ軸モータ、34Ｂ軸モータ、35…主軸モータ、31ｘ，
32ｙ，33ｚ，34ｂ，35ｓｐ…電磁接触器、Ｔ…工具、Ｗ
…ワーク4 ... column, 5 ... spindle head, 8 ... jig, 9 ... rotary table, 10 ... machine cover, 11 ... front door, 24 ... closing detector,
27 ... Control device, 28 ... Interlock means, 29 ... Power supply circuit,
30 ... Power disconnecting means, 31 ... X-axis motor, 32 ... Y-axis motor, 33
... Z-axis motor, 34B-axis motor, 35 ... Spindle motor, 31x,
32y, 33z, 34b, 35sp ... Electromagnetic contactor, T ... Tool, W
…work
Claims (1)
るドア開検出器と、このドア開検出器の検出信号に応答
して、各軸モータに対する動作指令の出力を不能にする
インタロックをかけると共に、各軸モータの電源回路に
介在された開閉器を開いて各軸モータへの動力を遮断す
る制御手段を具備した工作機械のドア開き時安全装置。And 1. A door opening detector for detecting that the door of the aircraft cover is opened, in response to the detection signal of the door open detector, disables the output of the operation command for each axis motor
In addition to interlocking, power supply circuit for each axis motor
Open the intervening switch to shut off the power to each axis motor.
A safety device for opening doors of machine tools equipped with control means .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3315300A JP2531393B2 (en) | 1991-11-01 | 1991-11-01 | Machine tool door safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3315300A JP2531393B2 (en) | 1991-11-01 | 1991-11-01 | Machine tool door safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05123937A JPH05123937A (en) | 1993-05-21 |
| JP2531393B2 true JP2531393B2 (en) | 1996-09-04 |
Family
ID=18063737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3315300A Expired - Fee Related JP2531393B2 (en) | 1991-11-01 | 1991-11-01 | Machine tool door safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531393B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962885A (en) * | 2014-05-06 | 2014-08-06 | 深圳市远洋翔瑞机械股份有限公司 | Machine tool safety door structure |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3495384B2 (en) * | 1993-01-27 | 2004-02-09 | 和泉電気株式会社 | Safety switch device |
| DE69324371T2 (en) * | 1993-06-04 | 1999-11-18 | Kao Corp | SAFETY HOLDING DEVICE |
| JP3193834B2 (en) * | 1994-09-16 | 2001-07-30 | 新日本製鐵株式会社 | Waterjet safety equipment |
| JP3427536B2 (en) * | 1995-01-13 | 2003-07-22 | 株式会社島津製作所 | Material testing machine |
| JP4011151B2 (en) * | 1997-03-31 | 2007-11-21 | 株式会社ニデック | Lens grinding machine |
| JP2000094260A (en) * | 1998-09-29 | 2000-04-04 | Mori Seiki Co Ltd | Machining area opening/closing device of machine tool |
| KR100655304B1 (en) * | 1999-12-31 | 2006-12-08 | 두산인프라코어 주식회사 | Automatic Door Safety Unit in Nuverical Control Machine Tool |
| KR20020058402A (en) * | 2000-12-30 | 2002-07-12 | 양재신 | Machining Tool Uninstalling Method |
| JP3760922B2 (en) * | 2003-03-14 | 2006-03-29 | 株式会社島津製作所 | Material testing machine |
| ES2398175B1 (en) * | 2010-01-29 | 2014-01-17 | Vicente Escolano S.L. | METAL SHEET TROQUELADORA MACHINE. |
| JP5527591B2 (en) | 2010-02-04 | 2014-06-18 | Ｄｍｇ森精機株式会社 | Machine Tools |
| JP6306551B2 (en) | 2015-10-01 | 2018-04-04 | ファナック株式会社 | Processing machine with door that can change opening and closing speed |
| JP6738843B2 (en) * | 2018-02-14 | 2020-08-12 | Dmg森精機株式会社 | Control device and machine tool |
| JP6875447B2 (en) | 2019-04-15 | 2021-05-26 | 株式会社スギノマシン | How to operate the pump device and pump |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919654A (en) * | 1982-07-22 | 1984-02-01 | Amada Co Ltd | Power supply cutoff method of nc machine tool under emergency |
| JPS61158281A (en) * | 1984-12-28 | 1986-07-17 | Matsushita Electric Ind Co Ltd | Digital recording and reproducing device of television signal |
| JPH0698527B2 (en) * | 1988-02-01 | 1994-12-07 | 日立精機株式会社 | Turret tool table indexing control device and its operating method |
-
1991
- 1991-11-01 JP JP3315300A patent/JP2531393B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962885A (en) * | 2014-05-06 | 2014-08-06 | 深圳市远洋翔瑞机械股份有限公司 | Machine tool safety door structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05123937A (en) | 1993-05-21 |
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