JPS6288541A - Tool correction instruction device when changing tools - Google Patents
Tool correction instruction device when changing toolsInfo
- Publication number
- JPS6288541A JPS6288541A JP23061185A JP23061185A JPS6288541A JP S6288541 A JPS6288541 A JP S6288541A JP 23061185 A JP23061185 A JP 23061185A JP 23061185 A JP23061185 A JP 23061185A JP S6288541 A JPS6288541 A JP S6288541A
- Authority
- JP
- Japan
- Prior art keywords
- tool
- cutting edge
- measurement
- correction
- detection device
- 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.)
- Granted
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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
- B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
- B23Q17/0947—Monitoring devices for measuring cutting angles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は工作機械でワークを加工し、工具を交換する際
必ず工具の刃先を刃先計測装置で計測せしめるようにし
た工具交換時の工具補正指示装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is a tool compensation method for machining a workpiece with a machine tool, in which the cutting edge of the tool is always measured by a cutting edge measuring device when changing the tool. Relating to an indicating device.
従来、工作機械でワークを加工し加工済用工具から次加
工用工具を交換したら作業者は必ず刃先計測装置に工具
の刃先を当てて工具補正してから再加工に入っているの
が通常である。Conventionally, after machining a workpiece with a machine tool and replacing the tool for the next machining with the tool for the next machining, the operator would always place the cutting edge of the tool on a cutting edge measurement device, perform tool compensation, and then start re-machining. be.
しかしながら、前述の工具交換時に作業者が工具の刃先
を刃先計測装置に当てることを忘れて交換し取付゛けて
再加工を開始してしまうと、刃先の位置が変わってしま
っているからワークの加工が変わってワーク不良になる
という問題が潜在的に残っている。However, if the operator forgets to place the cutting edge of the tool on the cutting edge measurement device when replacing the tool as described above, and starts re-machining after replacing the tool, the position of the cutting edge has changed and the workpiece There remains the potential problem that machining changes may result in defective workpieces.
本発明の目的は工具交換時に工具の刃先を刃先計測装置
に当てて工具補正することを忘れた場合には再加工出来
ないようアラームを発すると共に作業者に知らせるよう
にして必ず工具の刃先を刃先計測装置で計測するように
した工具交換時の工具補正指示装置を提供することにあ
る。The purpose of the present invention is to issue an alarm to prevent re-machining if you forget to correct the tool by placing the cutting edge of the tool on the cutting edge measuring device when changing tools, and to notify the operator so that the cutting edge of the tool is always set to the cutting edge. It is an object of the present invention to provide a tool correction instruction device at the time of tool exchange, which measures with a measuring device.
〔問題点を解決するための手段と作用〕本発明は工具交
換時の工具補正指示装置であって、その具体的な手段は
、機械の座標系を使って工具の刃先位置を計測する刃先
計測装置と、工具刃先位置の移動量を制御する位置送り
制御手段と、工具の有無を検知する工具検知装置と、該
工具検知装置の信号によって取付工具の計測要求を処理
する取付工具要求処理手段と、前記刃先計測装置の信号
によって計測補正完了を処理する計測補正完了処理手段
とから構成される。[Means and operations for solving the problems] The present invention is a tool correction instruction device when changing a tool, and its specific means includes a cutting edge measurement method that measures the cutting edge position of a tool using a machine coordinate system. A device, a position feed control means for controlling the amount of movement of the tool cutting edge position, a tool detection device for detecting the presence or absence of a tool, and an attached tool request processing means for processing a measurement request for an attached tool based on a signal from the tool detection device. , and measurement correction completion processing means for processing measurement correction completion based on the signal from the blade edge measuring device.
而して、本発明装置の計測補正完了処理手段によって工
具補正指示が与えられるから、工具の刃先位置を忘れる
ことなく、必ず刃先計測装置に当てて計測するようにし
たものである。Since the tool correction instruction is given by the measurement correction completion processing means of the device of the present invention, the user does not forget the position of the cutting edge of the tool and always measures it by applying it to the cutting edge measuring device.
以下、本発明の一実施態様を図面に基づいて詳細に説明
する。Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.
（１） まず、本発明に適用される工具検知装置の取
付は状態について説明する。(1) First, the installation state of the tool detection device applied to the present invention will be explained.
第２図（イ）はタレット刃物台の一部正面断面図でタレ
ットに工具が取付けられしかも、タレット内に工具検知
装置が取付けられている状態を示す一例である。FIG. 2(a) is a partial front sectional view of the turret tool rest, showing an example of a state in which a tool is attached to the turret and a tool detection device is attached inside the turret.
第２図（イ）において、タレット刃物台のハウジング２
１の軸芯部には旋回軸２２が軸方向に軸承されている。In Figure 2 (a), the housing 2 of the turret tool rest
A pivot shaft 22 is supported in the axial direction on the shaft core portion of the rotary shaft 1 .
旋回軸２２の先端部にはタレット２３が取付けられ、旋
回軸の旋回によりタレット２３が割出される。該タレッ
ト２３には必要の本数だけ工具２４が取付は取外し可能
に取付けられる。A turret 23 is attached to the tip of the pivot shaft 22, and the turret 23 is indexed by turning the pivot shaft. A necessary number of tools 24 are detachably attached to the turret 23.
旋回軸２２の軸心部には貫通孔２５が穿設され、該貫通
孔２５の先端部に連通してタレット２３内に孔２３ａ、
２３ｂが穿設される。孔２３ｂには工具２４の取付は取
外し時に工具の有無を検知する工具検知装置２６が埋設
されている。工具検知装置２６は近接スイッチ、リミッ
トスイッチあるいは光電スイッチまたはエアー検知等い
ずれのものを使用しても構わない。工具検知装置２６に
継がれた電［２７が孔２３ｂ、２３ａおよび貫通孔２５
内を通ってハウジング２１の後方端に取付けられたスリ
ップリング２８に連結され、スリップリング２８は外部
の読取り装置へ連結されている。A through hole 25 is bored in the axial center of the pivot shaft 22, and a hole 23a, which communicates with the tip of the through hole 25, is formed in the turret 23.
23b is drilled. A tool detection device 26 is embedded in the hole 23b to detect the presence or absence of a tool when the tool 24 is installed or removed. The tool detection device 26 may be a proximity switch, a limit switch, a photoelectric switch, an air detection device, or the like. The electric wire [27 connected to the tool detection device 26] is connected to the holes 23b, 23a and the through hole 25.
It is connected therethrough to a slip ring 28 mounted at the rear end of the housing 21, and the slip ring 28 is connected to an external reading device.
工具検知装置が取付けられている他例について説明文る
。An explanation of another example in which a tool detection device is installed is provided.
第２図（ロ）は他例のタレット刃物台の断面図でタレッ
トに交換工具が取付けられ、しかも交換工具のハウジン
グ内に工具検知装置が取付けられている状態を示す他例
である。FIG. 2(b) is a sectional view of another example of a turret tool rest, showing a state in which a replacement tool is attached to the turret and a tool detection device is installed in the housing of the replacement tool.
第２図（Ｅｌ）において、タレット３１に穿設された溝
３２の先端部内に交換工具３３を挿着させるハウジング
３４が介設され、該ハウジング３４の外周一端部に溝３
４ａが穿設される。該溝３４ａ内に工具検知装置３５が
埋設される。タレット３１内に穿設された孔３１ａ、３
１ｂに工具検知装置３５の後部に配線された電線を通し
、図略のスリンプリングに連結されて第２図（イ）で説
明したと同様に工具有無の検知が行われる。In FIG. 2 (El), a housing 34 into which a replacement tool 33 is inserted is interposed within the tip of a groove 32 bored in the turret 31, and a groove 34 is provided at one end of the outer periphery of the housing 34.
4a is drilled. A tool detection device 35 is embedded within the groove 34a. Holes 31a, 3 bored in the turret 31
An electric wire wired to the rear of the tool detection device 35 is passed through 1b and connected to a sling ring (not shown) to detect the presence or absence of a tool in the same manner as described in FIG. 2(A).
（２）次に本発明の具体的な構成を説明する。(2) Next, a specific configuration of the present invention will be explained.
第１図（＾）は本発明の構成を示す制御ブロック図であ
る。FIG. 1(^) is a control block diagram showing the configuration of the present invention.
第１図（Ａ）において、ＣＰＵＩに工具補正の基準値等
予め設定された設定値が画面付キーボード２から入出力
装置２ａを介して入出力される。In FIG. 1(A), preset values such as reference values for tool correction are inputted and outputted from a keyboard with screen 2 to the CPU via an input/output device 2a.
第２図（イ）に示した如く刃物台に取付けられたタレッ
トに挿着された工具は補間器３ａ、アンプ３ｂを介して
Ｘ、Ｚ軸モータ３ｃによりＸ、 Ｚ軸方向に刃物台と
一体的に移動されかつ位置制御される。As shown in Figure 2 (a), the tool inserted into the turret attached to the tool post is integrated with the tool post in the X and Z axis directions by the X and Z axis motor 3c via the interpolator 3a and amplifier 3b. physically moved and position controlled.
第２図（イ）あるいは第２Ｅ９（ｏ）に示した如くクレ
ット面内等に埋設された工具検知装置のスイッチ４が入
出力回路４ａ、バス１ｂを介してＣＰＵ１に接続される
。また、工具Ｔの刃先が刃先計測装置５に当てられると
入出力装置５ａを介して信号がＣＰＵ１に入力され、現
在値レジスタ６に取り込まれる。加工情報データ・メモ
リ７には加工を行うための加工情報データが記憶されて
いる。As shown in FIG. 2(a) or 2E9(o), a switch 4 of a tool detection device buried in the creet surface or the like is connected to the CPU 1 via an input/output circuit 4a and a bus 1b. Further, when the cutting edge of the tool T is brought into contact with the cutting edge measuring device 5, a signal is inputted to the CPU 1 via the input/output device 5a and taken into the current value register 6. The machining information data memory 7 stores machining information data for performing machining.
スタート信号がアンド・ゲート８により取り込まれ、工
具検知装置のスイッチ４によるスイッチ信号がアンド・
ゲート８に入らない場合すなわち工具が取付けられてい
ない状態の場合には取付工具計測要求・メモリ９に取り
込まれる。取付工具計測要求・メモリ９から補正フラグ
オフの信号が出力されると同時に工具取付要求が画面付
キーボード２のＣＲＴに表示されかつアラームが発せら
れる。The start signal is taken in by AND gate 8, and the switch signal from switch 4 of the tool detection device is taken in by AND gate 8.
If the tool does not enter the gate 8, that is, if the tool is not attached, the attached tool measurement request is stored in the memory 9. At the same time as the installed tool measurement request/memory 9 outputs a correction flag off signal, a tool installation request is displayed on the CRT of the keyboard with screen 2 and an alarm is issued.
現在値レジスフ６からの工具位置データ信号と刃先計測
装置５の信号がアンド・ゲート１０に取り込まれると計
測補正完了信号が計測補正完了信号・メモリ１１に記憶
される。該計測補正完了信号・メモリ１１から運転準備
完了信号が出力されると同時に補正フラグが立てられ補
正値は工具ファイル１３のフラグ欄にファイルされると
共にアラームが停止する。When the tool position data signal from the current value register 6 and the signal from the cutting edge measuring device 5 are taken into the AND gate 10, a measurement correction completion signal is stored in the measurement correction completion signal/memory 11. At the same time as the measurement correction completion signal/memory 11 outputs the operation preparation completion signal, a correction flag is set, the correction value is filed in the flag column of the tool file 13, and the alarm is stopped.
予め設定された工具補正の基準値と現在値レジスタ６に
記憶された現在値の計測値がオフセット演算手段１２に
取り込まれ、（計測値−基準値）の工具補正が第１図（
Ｂ）に示す如（処理され、工具補正量Δｘ１．△Ｚｌが
工具ファイルのＸ、Ｚ欄にファイルされる。The preset reference value for tool correction and the measured value of the current value stored in the current value register 6 are taken into the offset calculation means 12, and the tool correction of (measured value - reference value) is calculated as shown in FIG.
Processed as shown in B), the tool correction amount Δx1.ΔZl is filed in the X and Z columns of the tool file.
（３）本発明の動作を第３図のフローチャートに基づい
て説明する。(3) The operation of the present invention will be explained based on the flowchart of FIG.
第３図において、本発明の装置をスタートさせ、第０段
で第２図（イ）に示した刃物台のタレットを割出す。第
０段で工具が取外しされているかどうか判断する。工具
が取外されていれば、第０段で取付工具計測要求・メモ
リ９により°工具取付要求のアラームが発せられ、かつ
補正フラグがオフとなる。次に第０段で工具が取付けら
れたかどうか判断する。工具が取付けられていなければ
第０段の手前にフィードバックされる。工具が取付けら
れていれば、第０段で工具計測がなされたかどうか判断
する。工具計測がなされていなければ補正フラグはＯＦ
Ｆのままであり、アラームを継続すると同時に第０段の
手前にフィードバックされる。In FIG. 3, the apparatus of the present invention is started, and the turret of the tool rest shown in FIG. 2 (A) is indexed at the 0th stage. At stage 0, it is determined whether the tool has been removed. If the tool has been removed, the installed tool measurement request/memory 9 issues an alarm for a tool installation request at the 0th stage, and the correction flag is turned off. Next, at stage 0, it is determined whether the tool has been attached. If no tool is attached, feedback is given before the 0th stage. If the tool is attached, it is determined at stage 0 whether tool measurement has been performed. If tool measurement is not performed, the correction flag is OFF.
It remains at F, and at the same time as the alarm continues, it is fed back before the 0th stage.
工具計測がなされていれば、第０段で計測補正完了信号
・メモリ１１により補正フラグをオンにし、アラームを
停止する。工具計測値は第０段でオフセット演算手段１
２で演算処理された補正値が工具ファイル１３のＸ、ｚ
欄に書き込まれて終了する。第０段で工具が取外しされ
ていなければそのまま終了する。If the tool has been measured, the correction flag is turned on by the measurement correction completion signal/memory 11 at the 0th stage, and the alarm is stopped. The tool measurement value is offset calculation means 1 at the 0th stage.
The correction values calculated in step 2 are X, z in the tool file 13.
It is written in the column and ends. If the tool is not removed at stage 0, the process ends.
本発明の装置を採用することにより工具交換時に工具を
取外したままにしておけば工具取付用のアラームが発せ
られるので工具取付けの忘れが全くなくなり、かつ工具
の刃先が刃先計測装置で計測されるから、不良ワークの
発生が情無となる。By adopting the device of the present invention, if the tool is left removed when changing the tool, an alarm for installing the tool will be issued, so there will be no forgetting to install the tool, and the cutting edge of the tool will be measured by the cutting edge measuring device. Therefore, the occurrence of defective workpieces becomes a matter of concern.
従って本発明の装置を使用することにより工具交換の作
業能率が数段と向上し延いては稼動率向上の一部となる
効果を奏する。Therefore, by using the device of the present invention, the work efficiency of tool changing is improved by several orders of magnitude, which in turn becomes a part of improving the operating rate.
第１図（＾）は本発明の構成を示す制御ブロック図およ
び第１図（Ｂ）は刃先計測装置に工具の刃先が当てられ
計測されるモデル図である。第２図（イ）及び（ｏ）は
タレント刃物台の一部正面断面図で、タレット内に工具
検知装置が取付けられている状態を示す図である。第３
図は本発明の詳細な説明するフローチャートである。
ｌ・・・・・・ＣＰＵ ２・・・・・・画面付
キーボード３Ｃ・・・モータ ４・・・・・・工
具検知装置５・・・・・・刃先計測装置 ７・・・・・
・加工情報データ・メモリ
９・・・・・・取付は工具計測要求・メモリ１１・・・
・・・計測補正完了信号・メモリ１２・・・・・・オフ
セット演算手段
１３・・・・・・工具ファイル ２３．３１・・・タレ
ット２６．３５・・・工具検知装置
２８・・・スリップリング
特許出願人 日立精機株式会社
第１図（Ａ）
第２図（イ）
第２図（ロ）
３３ ３４−ｊ１３１FIG. 1(^) is a control block diagram showing the configuration of the present invention, and FIG. 1(B) is a model diagram in which the cutting edge of a tool is applied to a cutting edge measuring device and measured. FIGS. 2(A) and 2(O) are partial front sectional views of the talent's tool rest, showing a state in which a tool detection device is installed in the turret. Third
The figure is a flowchart illustrating the invention in detail. l...CPU 2...Keyboard with screen 3C...Motor 4...Tool detection device 5...Blade edge measuring device 7...
・Machining information data ・Memory 9...Installation requires tool measurement request ・Memory 11...
...Measurement correction completion signal/memory 12...Offset calculation means 13...Tool file 23.31...Turret 26.35...Tool detection device 28...Slip ring Patent applicant Hitachi Seiki Co., Ltd. Figure 1 (A) Figure 2 (A) Figure 2 (B) 33 34-j131
Claims (1)
おいて、機械の座標系を使って工具の刃先位置を計測す
る刃先計測装置と、工具の取付け位置にあって工具の有
無を検知する工具検知装置と、該工具検知装置の信号に
よって取付工具の計測要求を処理する取付工具要求処理
手段と、前記刃先計測装置の信号によって計測補正完了
を処理する計測補正完了処理手段とからなり、計測補正
完了処理手段によって工具補正指示を与えるようにした
ことを特徴とする工具交換時の工具補正指示装置。In numerically controlled machine tools that control the amount of movement of the tool's cutting edge position, there is a cutting edge measurement device that measures the tool cutting edge position using the machine's coordinate system, and a tool detection device that detects the presence or absence of a tool at the tool installation position. a mounting tool request processing means for processing a measurement request for a mounted tool according to a signal from the tool detection device; and a measurement correction completion processing means for processing measurement correction completion according to a signal from the cutting edge measuring device. 1. A tool correction instruction device at the time of tool exchange, characterized in that a tool correction instruction is given by a processing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23061185A JPS6288541A (en) | 1985-10-15 | 1985-10-15 | Tool correction instruction device when changing tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23061185A JPS6288541A (en) | 1985-10-15 | 1985-10-15 | Tool correction instruction device when changing tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6288541A true JPS6288541A (en) | 1987-04-23 |
| JPH0440140B2 JPH0440140B2 (en) | 1992-07-01 |
Family
ID=16910473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23061185A Granted JPS6288541A (en) | 1985-10-15 | 1985-10-15 | Tool correction instruction device when changing tools |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6288541A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH048445A (en) * | 1990-04-27 | 1992-01-13 | Okuma Mach Works Ltd | Numerical control system with automatic tool changing function |
| CN110919866A (en) * | 2019-12-06 | 2020-03-27 | 深圳市山龙智控有限公司 | Multi-cutter machining structure and bathroom grinding and cutting method based on multi-cutter machining structure |
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| JPS57102733A (en) * | 1980-12-16 | 1982-06-25 | Toyoda Mach Works Ltd | Automatic dimension correcting apparatus for spare tool |
| JPS60191743A (en) * | 1984-03-08 | 1985-09-30 | Toshiba Mach Co Ltd | Nc machine tool |
-
1985
- 1985-10-15 JP JP23061185A patent/JPS6288541A/en active Granted
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57102733A (en) * | 1980-12-16 | 1982-06-25 | Toyoda Mach Works Ltd | Automatic dimension correcting apparatus for spare tool |
| JPS60191743A (en) * | 1984-03-08 | 1985-09-30 | Toshiba Mach Co Ltd | Nc machine tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH048445A (en) * | 1990-04-27 | 1992-01-13 | Okuma Mach Works Ltd | Numerical control system with automatic tool changing function |
| CN110919866A (en) * | 2019-12-06 | 2020-03-27 | 深圳市山龙智控有限公司 | Multi-cutter machining structure and bathroom grinding and cutting method based on multi-cutter machining structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0440140B2 (en) | 1992-07-01 |
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