JPH0413511A - Replacement of cutting tool and positioning gauge for the same method in numerically controlled machine tool - Google Patents

Replacement of cutting tool and positioning gauge for the same method in numerically controlled machine tool

Info

Publication number
JPH0413511A
JPH0413511A JP11515490A JP11515490A JPH0413511A JP H0413511 A JPH0413511 A JP H0413511A JP 11515490 A JP11515490 A JP 11515490A JP 11515490 A JP11515490 A JP 11515490A JP H0413511 A JPH0413511 A JP H0413511A
Authority
JP
Japan
Prior art keywords
tool holder
tool
cutting tool
bed
height
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
JP11515490A
Other languages
Japanese (ja)
Inventor
Kazuyasu Miura
三浦 和保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Oozx Inc
Original Assignee
Fuji Oozx Inc
Fuji Valve 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 Fuji Oozx Inc, Fuji Valve Co Ltd filed Critical Fuji Oozx Inc
Priority to JP11515490A priority Critical patent/JPH0413511A/en
Publication of JPH0413511A publication Critical patent/JPH0413511A/en
Pending legal-status Critical Current

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  • Automatic Tool Replacement In Machine Tools (AREA)
  • Milling Processes (AREA)

Abstract

PURPOSE:To improve the workability by inserting a cutting holder into a released tool holder, adjusting the height of the tool holder and the protrudion of the cutting tool from the front end surface of the tool holder, and tightening the tool holder to grasp the cutting tool. CONSTITUTION:The base part of a cutting tool, or an end mill 8 for example, is inserted into the center hole of a chuck 7 of a tool holder 5, a positioning gauge 10 is mounted on an upper surface 21 of a bed 2 with the underside surface of a base part 11 tightly applied to the upper surface 2a of the bed 2 and the back surface of the base part 11 tightly applied to the front end surface of the tool holder 5. The height of the tool holder 5 is then adjusted to put the center of the forward end of the end mill 8 to be applied to a back edge 14a of a positioning member 14 in the positioning gauge 10, the end mill is moved forward and back to the tool holder 5, and the chuck 7 is tightened with the center of the forward end of the end mill 8 tightly applied to the back edge 14a of the positioning member 14, so the end mill 8 is grasped by the tool holder 5. The workability is thus improved.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、数値制御工作機械における切削工具交換方法
及びそれに用いる位置決めゲージに関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cutting tool changing method in a numerically controlled machine tool and a positioning gauge used therein.

〔従来の技術〕[Conventional technology]

第2図は、エンドミルを装着した数値制御工作機械であ
る数値制御フライス盤(以下NCフライス。
Figure 2 shows a numerically controlled milling machine (NC milling machine), which is a numerically controlled machine tool equipped with an end mill.

盤という)と、それに使用する従来の芯高ゲージとを示
す。
(referred to as a board) and the conventional core height gauge used for it.

(01)は、NCフライス盤(工作機械)、(02)は
、それにおける固定又は左右方向に可動のベット、(0
3)は、ベッド(02)の上面に切設されたあり溝(0
4)に沿って、前後方向に摺動自在に装着された摺動体
、(05)は、摺動体(03)の上面より切設された下
方を向く案内溝(06)内に上下方向に摺動自在に装着
された工具ホルダで、この工具ホルダ(05)はチャッ
ク(07)を有し、チャック(07)によりエンドミル
(切削工具)(08)を把持しうるようになっている。
(01) is an NC milling machine (machine tool), (02) is a fixed or horizontally movable bed thereon, (0
3) is a dovetail groove (0
4), the sliding body (05) is mounted so as to be slidable in the front-rear direction, and the sliding body (05) is slidable in the vertical direction in a downwardly facing guide groove (06) cut from the top surface of the sliding body (03). This tool holder (05) is movably mounted, and has a chuck (07) that can grip an end mill (cutting tool) (08).

摺動体(03)をベッド(02)に対して前後動させる
前後位置調節装置、及び工具ホルダ(05)を摺動体(
03)に対して上下動させる高さ調節装置については図
示を省略しである。
A longitudinal position adjustment device that moves the sliding body (03) back and forth with respect to the bed (02), and a tool holder (05) that moves the sliding body (03) back and forth with respect to the bed (02).
03) is not shown in the drawings.

芯高ゲージ(09)は、ベッド(02)上に載置される
平板状の基部(09a)と、基部(09a)の−側端よ
り起立する起立部(09b)と、起立部(09b)の上
端より基部(09a)と反対の側方に水平に延出する位
置決め片(09c)とからなっている。
The core height gauge (09) includes a flat base (09a) placed on the bed (02), an upright portion (09b) that stands up from the − side end of the base (09a), and an upright portion (09b). It consists of a positioning piece (09c) extending horizontally from the upper end to the side opposite to the base (09a).

位置決め片(09c)の先端部の後縁(09d)は、両
刃の刃先状に研削されており、基部(09a)の下面か
らこの後縁(09d)までの高さ(H)は、所望の値に
定められている。
The rear edge (09d) of the tip of the positioning piece (09c) is ground into a double-edged cutting edge, and the height (H) from the lower surface of the base (09a) to this rear edge (09d) is the desired height (H). determined by the value.

エンドミル(08)を交換する際には、芯高ゲージ(0
9)の基部(09a)をベッド(02)上に載置し、位
置決め片(09c)の後縁(09d)を、チャック(7
)に装着したエンドミル(08)の先端に近接し、エン
ドミル(08)の先端が位置決め片(09c)の後縁(
09d)と等高となるように、工具ホルダ(05)の高
さを調節していた。
When replacing the end mill (08), use the center height gauge (0
Place the base (09a) of 9) on the bed (02), and place the rear edge (09d) of the positioning piece (09c) on the chuck (7).
), and the tip of the end mill (08) is close to the rear edge (09c) of the positioning piece (09c).
The height of the tool holder (05) was adjusted so that it was at the same height as 09d).

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上述のような従来の芯高ゲージ(09)を用いたエンド
ミル(08)、すなわち切削工具の交換方法によると、
工具ホルダ(5)の前端面から切削工具の先端までの突
出量を正確に調節することができないので、切削工具の
交換後に、数値制御の座標取りを変更しなければならず
、その作業が煩雑で、多大な時間を要するという問題点
がある。
According to the end mill (08) using the conventional core height gauge (09) as described above, that is, the cutting tool replacement method,
Since it is not possible to accurately adjust the amount of protrusion from the front end surface of the tool holder (5) to the tip of the cutting tool, it is necessary to change the coordinates of the numerical control after replacing the cutting tool, which is a complicated process. However, there is a problem that it takes a lot of time.

また、工具ホルダ(05)の前端面がベント(02)の
前端部寄りに位置しているか、又はエンドミル(08)
の長さが大であるときは、芯高ゲージ(09)を第2図
に示すように、斜めにして使用しなければならない場合
があり、不便である。
Also, the front end surface of the tool holder (05) is located near the front end of the vent (02), or the end mill (08)
If the length is long, the lead height gauge (09) may have to be used at an angle as shown in FIG. 2, which is inconvenient.

本発明は、このような問題点を解決した数値制御工作機
械における切削工具交換方法及びそれに用いる位置決め
ゲージを提供することを目的としている。
SUMMARY OF THE INVENTION An object of the present invention is to provide a cutting tool exchange method in a numerically controlled machine tool that solves these problems, and a positioning gauge used therein.

〔課題を解決するための手段〕[Means to solve the problem]

上記目的を達成するため、本発明の数値制御工作機械に
おける切削工具交換方法は、切削工具を、ベッドの上面
からの高さと、工具ホルダの前端面から前方への突出量
とを調節可能として、工具ホルダをもってベッド上に装
着してなる数値制御工作機械において、開放状態の工具
ホルダに切削工具を挿入した後、基部の下面から位置決
め片の後縁までの高さと、基部の後面から位置決め片の
後縁までの距離とが定められた位置決めゲージにおける
基部を、その後面が工具ホルダの@端面に当接するよう
にしてベット上に載置し1次いで、前記切削工具の先端
が位置決め片の後縁に当接するように、工具ホルダの高
さと工具ホルダの前端面からの切削工具の突出量とを調
節した後、工具ホルダを締付けて、切削工具を把持させ
ることを特徴としている。
In order to achieve the above object, the cutting tool exchanging method in a numerically controlled machine tool of the present invention makes it possible to adjust the height of the cutting tool from the top surface of the bed and the amount of forward protrusion from the front end surface of the tool holder. In a numerically controlled machine tool that is mounted on a bed with a tool holder, after inserting a cutting tool into the open tool holder, the height from the bottom surface of the base to the rear edge of the positioning piece and the height of the positioning piece from the rear surface of the base are measured. The base of the positioning gauge, which has a defined distance to the rear edge, is placed on the bed so that its rear surface is in contact with the @end surface of the tool holder. The height of the tool holder and the amount of protrusion of the cutting tool from the front end surface of the tool holder are adjusted so that the tool holder comes into contact with the tool holder, and then the tool holder is tightened to grip the cutting tool.

また、この方法の発明の実施に直接使用する本発明の工
作機械における切削工具用位置決めゲージは、切削工具
を、ベットの上面からの高さと、工具ホルダの前端面か
ら前方への突出量とを調節可能として、工具ホルダをも
ってベッド上に装着してなる数値制御工作機械における
切削工具用の位置決めゲージであって、工具ホルダの前
端面に後面を当接させてベット上に載置される基部と、
基部の適所より起立する起立部と、起立部の上端より前
方に延出する前向き片と、前向き片の前端より一側方に
水平に延出する位置決め片とを備え、基部の下面から位
置決め片の後縁までの高さと、基部の後面から位置決め
片の後縁までの水平距離とを所望の値に定めたことを特
徴としている。
Further, the positioning gauge for a cutting tool in a machine tool of the present invention, which is directly used to carry out the invention of this method, determines the height of the cutting tool from the top surface of the bed and the amount of forward protrusion from the front end surface of the tool holder. A positioning gauge for a cutting tool in a numerically controlled machine tool that is adjustable and is mounted on a bed with a tool holder, the positioning gauge comprising a base that is placed on the bed with its rear surface in contact with the front end surface of the tool holder; ,
A standing part that stands up from a proper position on the base, a forward-facing piece that extends forward from the upper end of the standing part, and a positioning piece that extends horizontally to one side from the front end of the forward-facing piece. It is characterized in that the height to the rear edge and the horizontal distance from the rear surface of the base to the rear edge of the positioning piece are set to desired values.

〔実施例〕〔Example〕

第1図は、本発明の位置決めゲージの一実施例と、それ
を用いた本発明の切削工具交換方法の一実施状況とを示
す。なお、この実施例において、前記した従来例におけ
ると1御の部材には、その符号から冒頭の(0)を除い
た符号を付し、それらについての詳細な説明は省略する
FIG. 1 shows an embodiment of the positioning gauge of the present invention and an implementation state of the cutting tool changing method of the present invention using the positioning gauge. Incidentally, in this embodiment, the members corresponding to those in the conventional example described above are designated by the reference numerals with the leading 0 (0) removed, and a detailed explanation thereof will be omitted.

(10)は位置決めゲージで、工具ホルダ(5)の前端
面に後面を当接させてベッド(2)上に載置されるち直
方体状の基部(11)と、基部(11)の右端より垂直
に起立する起立部(12)と、起立部(12)の上端よ
り前方に延出する水平板状の前向き片(13)と、前向
き片(13)の前端より左側方に向かって水平に延出し
、かつ後@(14a)が両刃の刃先状に研削された位置
決め片(14)とからなり、基部(11)の下面から位
置決め片(14)の後縁(14a)までの高さ(H)と
、基部(11)の後面から位置決め片(14)の後縁(
14’a)までの水平距離(L)とを所望の値に定めで
ある。
(10) is a positioning gauge which is placed on the bed (2) with its rear surface in contact with the front end surface of the tool holder (5), and has a rectangular parallelepiped base (11) and a right end of the base (11). An upright portion (12) that stands up vertically, a horizontal plate-shaped forward-facing piece (13) that extends forward from the upper end of the upright portion (12), and a horizontal plate-shaped forward-facing piece (13) that extends horizontally toward the left from the front end of the forward-facing piece (13). The height from the lower surface of the base (11) to the rear edge (14a) of the positioning piece (14) is ( H) and the rear edge of the positioning piece (14) from the rear surface of the base (11) (
The horizontal distance (L) to 14'a) is set to a desired value.

次に、この位置決めゲージ(10)を用いた本発明の切
削工具の交換方法の一実施要領について説明する。
Next, a description will be given of one implementation of the cutting tool replacement method of the present invention using this positioning gauge (10).

まず、チャック(7)を弛めて、使用済みの切削工具(
図示略)を工具ホルダ(5)から取出した後、次に使用
しようとする切削工具、すなわちここではエンドミル(
8)の基部を、工具ホルダ(5)におけるチャック(7
)の中央孔に挿入する。
First, loosen the chuck (7) and remove the used cutting tool (
After taking out the cutting tool (not shown) from the tool holder (5), the cutting tool to be used next, that is, the end mill (here
8) in the chuck (7) in the tool holder (5).
) into the center hole.

このとき、チャック(7)は弛めたままの状態か、又は
エンドミル(8)がチャック(7)の中心に位置するよ
うに、かつエンドミル(8)が軸線方向に移動できるよ
うに、軽く締めておく。
At this time, either leave the chuck (7) loose or tighten it lightly so that the end mill (8) is located in the center of the chuck (7) and can move in the axial direction. I'll keep it.

次に、位置決めゲージ(10)を、その基部(11)の
下面がベッド(2)の上面(2a)に密接して、かつ基
部(11)の後面が工具ホルダ(5)の前端面に密接す
るようにして、ベッド(2)の上面(2a)に載置する
Next, place the positioning gauge (10) so that the lower surface of its base (11) is in close contact with the upper surface (2a) of the bed (2), and the rear surface of the base (11) is in close contact with the front end surface of the tool holder (5). Place it on the top surface (2a) of the bed (2) in this manner.

次いで、エンドミル(8)の先端の中央が1位置決めゲ
ージ(10)における位置決め片(14)の後縁(14
a)に当接するように、工具ホルダ(5)の高さを調節
するとともに、エンドミル(8)を、工具ホルダ(5)
に対して前後方向に進退させ、エンドミル(8)の先端
の中央が1位置決め片(14)の後縁(14a)にぴっ
たりと一致して当接した状態で、チャック(7)を締付
けて、エンドミル(8)を工具ボルダ(5)に把持させ
る。
Next, the center of the tip of the end mill (8) is located at the rear edge (14) of the positioning piece (14) in the positioning gauge (10).
Adjust the height of the tool holder (5) so that the end mill (8) comes into contact with the tool holder (5).
The chuck (7) is tightened with the center of the tip of the end mill (8) exactly aligned with and in contact with the rear edge (14a) of the first positioning piece (14). The end mill (8) is held by the tool boulder (5).

この実施例においては、切削工具としてエンドミル(8
)を用いているが、本発明は、ドリルその他の切削工具
を、工具ホルダ(5)に装着する場合にも適用すること
ができる。
In this embodiment, an end mill (8 mm) is used as the cutting tool.
), but the present invention can also be applied to the case where a drill or other cutting tool is attached to the tool holder (5).

〔発明の効果〕〔Effect of the invention〕

本発明によると、次のような作用及び効果を奏すること
ができる。
According to the present invention, the following actions and effects can be achieved.

(a)切削工具の交換時に、切削工具の高さだけでなく
、工具ホルダの前端面からの切削工具の突出量をも正確
、迅速かつ簡単に調節することができる。
(a) When replacing the cutting tool, not only the height of the cutting tool but also the amount of protrusion of the cutting tool from the front end surface of the tool holder can be adjusted accurately, quickly and easily.

(b)シたがって、数値制御の座標取りを最初に一度だ
け行なっておけば、その後の摩耗等による切削工具の交
換後に、座標取りを変更し直す必要がなく1作業性を向
上することができる。
(b) Therefore, if the coordinates for numerical control are taken only once at the beginning, there is no need to change the coordinates again after the cutting tool is replaced due to wear, etc., which improves work efficiency. can.

(C)工具ホルダの前端がベットの前端よりわずかでも
後方に位置していれば、工具ホルダの前方におけるベッ
ド上に位置決めゲージの基部を載置して用いることがで
き、第2図に示す従来の芯高ゲージのように、斜めにし
て用いることはほとんどなく、便利である。
(C) If the front end of the tool holder is located even slightly behind the front end of the bed, the base of the positioning gauge can be placed on the bed in front of the tool holder. It is convenient because it is rarely used diagonally like the lead height gauge.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明の位置決めゲージの一実施例と、それ
を用いた本発明の切削工具の交換方法の一実施状況とを
示す斜視図、 第2図は、従来の芯高ゲージと、それを用いた切削工具
の交換時の状況とを示す斜視図である。 (1)数値制御(NC)フライス盤(数値制御工作機械
)(2)ベッド      (2a)上面(3)摺動体
      (4)あり溝(5)工具ホルダ    (
6)案内溝(7)チャック     (8)エンドミル
(切削工具)(10)位置決めゲージ  (11)基部
(12)起立部      (13)前向き片(14)
位置決め片 (1,4a)後縁 (H)高さ (L)水平距離 #AI図
FIG. 1 is a perspective view showing an embodiment of the positioning gauge of the present invention and an implementation state of the cutting tool replacement method of the present invention using the same; FIG. 2 is a perspective view of a conventional center height gauge; FIG. 2 is a perspective view showing a situation when a cutting tool using the cutting tool is replaced. (1) Numerical control (NC) milling machine (numerical control machine tool) (2) Bed (2a) Top surface (3) Sliding body (4) Dovetail groove (5) Tool holder (
6) Guide groove (7) Chuck (8) End mill (cutting tool) (10) Positioning gauge (11) Base (12) Upright part (13) Front-facing piece (14)
Positioning piece (1, 4a) Trailing edge (H) Height (L) Horizontal distance #AI diagram

Claims (1)

【特許請求の範囲】[Claims] (1)切削工具を、ベッドの上面からの高さと、工具ホ
ルダの前端面から前方への突出量とを調節可能として、
工具ホルダをもってベッド上に装着してなる数値制御工
作機械において、開放状態の工具ホルダに切削工具を挿
入した後、基部の下面から位置決め片の後縁までの高さ
と、基部の後面から位置決め片の後縁までの距離とが定
められた位置決めゲージにおける基部を、その後面が工
具ホルダの前端面に当接するようにしてベッド上に載置
し、次いで、前記切削工具の先端が位置決め片の後縁に
当接するように、工具ホルダの高さと工具ホルダの前端
面からの切削工具の突出量とを調節した後、工具ホルダ
を締付けて、切削工具を把持させることを特徴とする数
値制御工作機械における切削工具交換方法。(2)切削
工具を、ベッドの上面からの高さと、工具ホルダの前端
面から前方への突出量とを調節可能として、工具ホルダ
をもってベッド上に装着してなる数値制御工作機械にお
ける切削工具用の位置決めゲージであって、工具ホルダ
の前端面に後面を当接させてベッド上に載置される基部
と、基部の適所より起立する起立部と、起立部の上端よ
り前方に延出する前向き片と、前向き片の前端より一側
方に水平に延出する位置決め片とを備え、基部の下面か
ら位置決め片の後縁までの高さと、基部の後面から位置
決め片の後縁までの水平距離とを所望の値に定めたこと
を特徴とする工作機械における切削工具用位置決めゲー
ジ。
(1) The height of the cutting tool from the top surface of the bed and the amount of forward protrusion from the front end surface of the tool holder can be adjusted,
In a numerically controlled machine tool that is mounted on a bed with a tool holder, after inserting a cutting tool into the open tool holder, the height from the bottom surface of the base to the rear edge of the positioning piece and the height of the positioning piece from the rear surface of the base are measured. The base of the positioning gauge, whose distance to the rear edge is determined, is placed on the bed so that the rear surface is in contact with the front end surface of the tool holder, and then the tip of the cutting tool is placed on the rear edge of the positioning piece. In a numerically controlled machine tool, the height of the tool holder and the amount of protrusion of the cutting tool from the front end surface of the tool holder are adjusted so as to make contact with the tool holder, and then the tool holder is tightened to grip the cutting tool. How to change cutting tools. (2) For cutting tools in numerically controlled machine tools in which the height from the top of the bed and the amount of forward protrusion from the front end surface of the tool holder are adjustable, and the cutting tool is mounted on the bed with the tool holder. This positioning gauge has a base that is placed on the bed with its rear surface in contact with the front end surface of the tool holder, an upright part that stands up from a proper position on the base, and a forward-facing gauge that extends forward from the upper end of the upright part. and a positioning piece extending horizontally to one side from the front end of the forward facing piece, the height from the bottom surface of the base to the rear edge of the positioning piece, and the horizontal distance from the rear surface of the base to the rear edge of the positioning piece. A positioning gauge for a cutting tool in a machine tool, characterized in that and is set to a desired value.
JP11515490A 1990-05-02 1990-05-02 Replacement of cutting tool and positioning gauge for the same method in numerically controlled machine tool Pending JPH0413511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11515490A JPH0413511A (en) 1990-05-02 1990-05-02 Replacement of cutting tool and positioning gauge for the same method in numerically controlled machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11515490A JPH0413511A (en) 1990-05-02 1990-05-02 Replacement of cutting tool and positioning gauge for the same method in numerically controlled machine tool

Publications (1)

Publication Number Publication Date
JPH0413511A true JPH0413511A (en) 1992-01-17

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JP11515490A Pending JPH0413511A (en) 1990-05-02 1990-05-02 Replacement of cutting tool and positioning gauge for the same method in numerically controlled machine tool

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006231508A (en) * 2005-02-24 2006-09-07 Lpkf Laser & Electronics Ag Method for positioning milling-cutter and working head determined for performing the method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006231508A (en) * 2005-02-24 2006-09-07 Lpkf Laser & Electronics Ag Method for positioning milling-cutter and working head determined for performing the method

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