JPS639370Y2 - - Google Patents
Info
- Publication number
- JPS639370Y2 JPS639370Y2 JP1983112351U JP11235183U JPS639370Y2 JP S639370 Y2 JPS639370 Y2 JP S639370Y2 JP 1983112351 U JP1983112351 U JP 1983112351U JP 11235183 U JP11235183 U JP 11235183U JP S639370 Y2 JPS639370 Y2 JP S639370Y2
- Authority
- JP
- Japan
- Prior art keywords
- boring
- cutting tool
- head
- spindle
- cutting edge
- 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
Links
- 238000007689 inspection Methods 0.000 claims description 12
- 238000012937 correction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Description
【考案の詳細な説明】
＜技術分野＞
本考案は工作物の穴加工を行う中ぐり加工装置
に関するものである。[Detailed Description of the Invention] <Technical Field> The present invention relates to a boring device for drilling holes in a workpiece.
＜従来技術＞
工具交換機能を有する中ぐり加工装置において
は、中ぐりクイルのテーパシヤンクに塵芥等が付
着した状態で主軸のテーパ穴に装着されると中ぐ
りクイルと主軸とのテーパ当りが悪くなり、中ぐ
りクイルに振れ回転を生じて加工精度の低下を招
来する。このために、例えば特開昭50−27181号
公報で開示されているように、主軸に装着された
中ぐりクイルの振れ量を測定し、振れ量が大きい
ときには工具ホルダを主軸より離脱させ、主軸の
テーパ穴をクリーニング装置によつてクリーニン
グしながら中ぐりクイルを主軸に再度装着するよ
うにしている。このものにおいては、中ぐりクイ
ルの装着のし直しによりサイクルタイムが長くな
り、またクリーニングしても振れの減少が得られ
ない場合がある。<Prior art> In a boring machine having a tool exchange function, if the taper shank of the boring quill is attached to the taper hole of the main spindle with dust etc. attached, the taper contact between the boring quill and the main spindle will deteriorate. This causes run-out rotation in the boring quill, resulting in a decrease in machining accuracy. For this purpose, for example, as disclosed in Japanese Patent Laid-Open No. 50-27181, the amount of runout of the boring quill attached to the main spindle is measured, and when the amount of runout is large, the tool holder is removed from the main spindle, and The boring quill is reattached to the main shaft while cleaning the taper hole of the shaft with a cleaning device. In this case, reinstallation of the boring quill increases cycle time, and even cleaning may not reduce runout.
＜考案の目的＞
本考案は、テーパ当りの不良等による中ぐりク
イルの振れに拘らず高精度な中ぐり加工を行える
ようにしたものである。<Purpose of the invention> The invention enables highly accurate boring to be performed regardless of the deflection of the boring quill due to poor contact with the taper or the like.
＜考案の構成＞
本考案は、主軸の先端部外周に基準面を形成
し、この基準面に当接する検測基準部を備えた検
測ヘツドを主軸の軸線と直交する方向に主軸ヘツ
ドに対して接近、離間可能に配設し、この検測ヘ
ツドにバイトの刃先に当接して刃先位置を検測す
る検測器を設け、この検測器の信号に応じてバイ
トの刃先位置を補正する補正装置を設けたもので
ある。<Structure of the invention> The present invention forms a reference surface on the outer periphery of the tip of the spindle, and moves an inspection head equipped with an inspection reference part that comes into contact with this reference surface against the spindle head in a direction perpendicular to the axis of the spindle. The measuring head is equipped with a measuring device that comes into contact with the cutting edge of the cutting tool to measure the cutting edge position, and the cutting edge position of the cutting tool is corrected according to the signal from this measuring device. A correction device is provided.
＜実施例＞
以下本考案の実施例を図面に基いて説明する。
１は主軸ヘツド、２は主軸ヘツド１に回転可能に
軸承されている主軸であり、その先端には工具交
換装置によつて自動交換される中ぐりクイル５の
テーパシヤンクが嵌脱するテーパ穴３を有してい
る。４は主軸駆動モータであり、工具交換時、バ
イト逃し時に定位置停止するサーボモータであ
る。<Examples> Examples of the present invention will be described below based on the drawings.
1 is a spindle head; 2 is a spindle rotatably supported on the spindle head 1; the tip thereof has a taper hole 3 into which a taper shank of a boring quill 5, which is automatically replaced by a tool changer, is fitted and removed; have. Reference numeral 4 denotes a main shaft drive motor, which is a servo motor that stops at a fixed position when changing a tool or releasing a cutting tool.
前記中ぐりクイル５の先端部には半径方向に位
置調整可能なバイトホルダ６が設けられ、このバ
イトホルダ６の先端にはバイト７が保持されてい
る。８はバイトホルダ６を常に後退方向に引張し
ている皿ばねである。９は中ぐりクイル５の軸心
線上に軸方向に進退移動可能に縦貫されているバ
イト７のせり出し軸であり、前進移動することに
よつてせり出し軸９の先端のテーパカム面９ｂに
よつてバイトホルダ６を皿ばね８の引張力に抗し
て半径方向にせり出すものである。１０はせり出
し軸９を常に後退方向に押動するスプリングであ
る。従つて、せり出し軸９に前進移動方向の推動
力が作用されないときにはバイトホルダ６は半径
方向に後退位置している。 A cutting tool holder 6 whose position is adjustable in the radial direction is provided at the tip of the boring quill 5, and a cutting tool 7 is held at the tip of the cutting tool holder 6. 8 is a disc spring that constantly pulls the tool holder 6 in the backward direction. Reference numeral 9 denotes a protruding shaft of a cutting tool 7 which extends vertically on the axial center line of the boring quill 5 so as to be movable forward and backward in the axial direction. The holder 6 is pushed out in the radial direction against the tensile force of the disc spring 8. 10 is a spring that always pushes the protruding shaft 9 in the backward direction. Therefore, when no thrust force in the forward movement direction is applied to the protruding shaft 9, the cutting tool holder 6 is in a retreated position in the radial direction.
１１は中ぐりクイル５の後端に有するプルスタ
ツドであり、主軸２の軸心部を縦貫するクランプ
軸１２の進退移動によつてクランプ軸１２の先端
のスリーブ１３に保持されたボールが係脱し、テ
ーパ穴３に装着した中ぐりクイル５をクランプ並
びにアンクランプする。 Reference numeral 11 denotes a pull stud provided at the rear end of the boring quill 5, in which a ball held in a sleeve 13 at the tip of the clamp shaft 12 engages and disengages as the clamp shaft 12, which runs vertically through the shaft center of the main shaft 2, moves back and forth. The boring quill 5 installed in the tapered hole 3 is clamped and unclamped.
１４はバイト１６の検測ヘツドである。この検
測ヘツド１４には主軸２の先端部外周に形成され
た基準面に当接する検測基準部と、バイト７の刃
先位置に当接して刃先位置を検測する検測器１６
とを有している。この検測ヘツド１４は、図例の
ようにシリンダ１７によつて主軸２の軸線と直交
する方向に進退移動し、主軸ヘツド１に対し接
近、離間可能に配置されている。尚、主軸ヘツド
１を２次元方向に移動できる場合には検測ヘツド
１４を工作物の加工位置から離れたところに固定
し、主軸ヘツド１を移動して検測ヘツド１４に対
し接近、離間させることも可能である。 Reference numeral 14 designates a measurement head of the bite 16. This inspection head 14 includes an inspection reference part that comes into contact with a reference surface formed on the outer periphery of the tip of the main shaft 2, and a measuring instrument 16 that comes into contact with the cutting edge position of the cutting tool 7 to measure the cutting edge position.
It has As shown in the figure, the measuring head 14 is moved forward and backward by a cylinder 17 in a direction orthogonal to the axis of the spindle 2, and is arranged so that it can approach and move away from the spindle head 1. If the spindle head 1 can be moved in two dimensions, the inspection head 14 is fixed at a location away from the workpiece processing position, and the spindle head 1 is moved toward and away from the inspection head 14. It is also possible.
さらに、前記検測器１６の信号に応じてバイト
７の位置を補正する補正装置が備えられている。
その機構は、主軸２の軸心を摺動自在に縦貫し、
先端がせり出し軸９の後端に当接する操作軸２１
を設ける。また、主軸ヘツド１に制御モータ１８
を固定し、この制御モータ１８により減速回転す
るねじ軸１９を操作軸２１と平行な軸線で設け、
このねじ軸１９に連結部材２０を螺合させる。そ
して、連結部材２０に操作軸２１の後端部を回転
のみ可能に支承させ、ねじ軸１９の正逆回転によ
る連結部材２０の進退移動を操作軸２１に伝達す
る構造である。 Further, a correction device for correcting the position of the cutting tool 7 according to the signal from the measuring device 16 is provided.
The mechanism runs vertically through the axis of the main shaft 2 in a slidable manner,
Operation shaft 21 whose tip abuts the rear end of the protruding shaft 9
will be established. In addition, a control motor 18 is attached to the spindle head 1.
is fixed, and a screw shaft 19 that is rotated at a reduced speed by this control motor 18 is provided with an axis parallel to the operating shaft 21,
A connecting member 20 is screwed onto this screw shaft 19. The connecting member 20 rotatably supports the rear end of the operating shaft 21, and the forward and backward movement of the connecting member 20 due to forward and reverse rotation of the screw shaft 19 is transmitted to the operating shaft 21.
本考案は上記の通りの構成であるから、中ぐり
クイル５を主軸２のテーパ穴３に装着してクラン
プした後に、図例では検測ヘツド１４を主軸ヘツ
ド１に接近させ主軸２の外周に検測基準部１５を
当接させる。そして主軸２を回転し、検測器１６
によつてバイト７の刃先位置を検測する。この検
測によつて中ぐりクイル５に振れがある場合、ま
たはバイト摩耗がある場合には検測器１６からの
信号に応じて制御モータ１８を作動し、ねじ軸１
９の正逆回転で連結部材２０を介して操作軸２１
を進退移動させ、せり出し軸９を軸動してバイト
７の刃先位置を主軸中心ＯよりＲに補正設定する
のである。また、複数穴加工時に、工作物の穴径
の測定に応じてバイト７を補正することもでき
る。 Since the present invention has the above-mentioned configuration, after the boring quill 5 is attached to the tapered hole 3 of the spindle 2 and clamped, the measuring head 14 is brought close to the spindle head 1 in the illustrated example and placed on the outer periphery of the spindle 2. The inspection reference part 15 is brought into contact. Then, the main shaft 2 is rotated, and the measuring device 16
The position of the cutting edge of the cutting tool 7 is measured by. As a result of this inspection, if the boring quill 5 has run-out or wear of the tool, the control motor 18 is operated in response to a signal from the measuring device 16, and the screw shaft 1 is
The operating shaft 21 is rotated through the connecting member 20 by forward and reverse rotation of
is moved forward and backward, and the protruding shaft 9 is moved to correct and set the cutting edge position of the cutting tool 7 from the main shaft center O to R. Furthermore, when machining multiple holes, the cutting tool 7 can be corrected according to the measurement of the hole diameter of the workpiece.
従つて仮に主軸２のテーパ穴３と中ぐりクイル
５のテーパシヤンクとのテーパ当たりが悪いため
に、主軸中心と中ぐりクイル中心とがずれている
場合においても、中ぐりクイル５の振れによつて
バイト７の刃先が描く絶対径を測定できることに
より、中ぐりクイル５の振れによる加工誤差を防
止できるようになる。 Therefore, even if the center of the main shaft and the center of the boring quill are misaligned due to poor taper contact between the taper hole 3 of the main spindle 2 and the taper shank of the boring quill 5, the deflection of the boring quill 5 will cause By being able to measure the absolute diameter drawn by the cutting edge of the cutting tool 7, it becomes possible to prevent machining errors due to vibration of the boring quill 5.
＜効果＞
以上のように本考案によれば、主軸の先端部外
周に形成した基準面を基準にして主軸中心に対す
るバイトの刃先位置を測定するようにした構成で
あるので、中ぐりクイルの振れによる加工誤差を
防止して高精度な中ぐり加工を行い得るようにな
り、しかも従来のような中ぐりクイルの引き抜
き、再装着の動作を不要としサイクルタイムを著
しく短縮することができ、また、同時にバイト摩
耗の補正も得られる利点がある。<Effects> As described above, according to the present invention, the position of the tip of the cutting tool relative to the center of the spindle is measured based on the reference plane formed on the outer periphery of the tip of the spindle, so the run-out of the boring quill can be reduced. It is now possible to perform highly accurate boring by preventing machining errors caused by At the same time, there is an advantage in that tool wear can be corrected.
図面は本考案の要部断面図である。
１……主軸ヘツド、２……主軸、３……テーパ
穴、５……中ぐりクイル、７……バイト、９……
せり出し軸、１４……検測ヘツド、１５……検測
基準部、１６……検測器、１８……制御モータ、
１９……ねじ軸、２０……連結部材、２１……操
作軸。
The drawing is a sectional view of the main part of the present invention. 1... Spindle head, 2... Main spindle, 3... Tapered hole, 5... Boring quill, 7... Bit, 9...
Protruding shaft, 14... Inspection head, 15... Inspection reference section, 16... Testing instrument, 18... Control motor,
19...Screw shaft, 20...Connection member, 21...Operation shaft.
Claims (1)
パ穴に中ぐりクイルを着脱可能に装着し、この中
ぐりクイルにバイトを半径方向に位置調整可能に
設けた中ぐり加工装置において、前記主軸の先端
部外周に基準面を形成し、この基準面に当接する
検測基準部を備えた検測ヘツドを前記主軸の軸線
と直交する方向に主軸ヘツドに対して接近、離間
可能に配設し、この検測ヘツドにバイトの刃先に
当接して刃先位置を検測する検測器を設け、この
検測器の信号に応じてバイトの刃先位置を補正す
る補正装置を設けてなる工具補正装置を備えた中
ぐり加工装置。 In a boring device, a boring quill is removably attached to a tapered hole of a main spindle that is rotatably supported on the main spindle head, and a cutting tool is provided on the boring quill so that its position can be adjusted in the radial direction. A reference surface is formed on the outer periphery of the main shaft, and an inspection head equipped with a measurement reference section that comes into contact with this reference surface is disposed so as to be able to approach and separate from the main shaft head in a direction perpendicular to the axis of the main shaft. A tool correction device is provided in which the inspection head is provided with a measuring device that comes into contact with the cutting edge of the cutting tool to measure the cutting edge position, and a correction device that corrects the cutting edge position of the cutting tool in accordance with a signal from the testing device. Boring processing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11235183U JPS6022202U (en) | 1983-07-21 | 1983-07-21 | Boring equipment with tool compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11235183U JPS6022202U (en) | 1983-07-21 | 1983-07-21 | Boring equipment with tool compensation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6022202U JPS6022202U (en) | 1985-02-15 |
| JPS639370Y2 true JPS639370Y2 (en) | 1988-03-19 |
Family
ID=30260485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11235183U Granted JPS6022202U (en) | 1983-07-21 | 1983-07-21 | Boring equipment with tool compensation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022202U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5423333B2 (en) * | 2009-11-16 | 2014-02-19 | 株式会社ジェイテクト | Tool diameter adjusting method for machine tool and machine tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57163005A (en) * | 1981-03-24 | 1982-10-07 | Toyoda Mach Works Ltd | Numerically controlled boring machining device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57173909U (en) * | 1982-03-24 | 1982-11-02 |
-
1983
- 1983-07-21 JP JP11235183U patent/JPS6022202U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57163005A (en) * | 1981-03-24 | 1982-10-07 | Toyoda Mach Works Ltd | Numerically controlled boring machining device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6022202U (en) | 1985-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6232071B2 (en) | ||
| JPS639370Y2 (en) | ||
| JP4175793B2 (en) | Method for drilling screw holes for spacers on the tip of the spindle and spacers | |
| CN113245904B (en) | Coaxiality adjusting tool and method for automatic quick-change fixture tail end tool | |
| JP2004142033A (en) | Tap holder having axial direction small slide mechanism | |
| US3672065A (en) | Angle gage mechanism | |
| CN112935932A (en) | Special tool for alignment of machining position | |
| JP2782267B2 (en) | Angle measurement method for oblique hole drilling equipment | |
| JPH0354810Y2 (en) | ||
| JP2574031Y2 (en) | Cutting edge detection device | |
| JP2000329503A (en) | Instrument, and method for measuring work | |
| JP4046490B2 (en) | Measuring method of center height of machining tool | |
| US2782519A (en) | Centering tool | |
| CN216940235U (en) | A hole positioning tool for high accuracy detects | |
| JP2792909B2 (en) | Measuring device for internal cutting tools | |
| JPS6031896Y2 (en) | Tool shank support device in tool presetter | |
| JPH09210606A (en) | Measuring device of ball groove | |
| JPH0232208A (en) | Bore measuring instrument | |
| JPH05345203A (en) | Spindle stock clamp device in opposed spindle lathe | |
| JPH0132003B2 (en) | ||
| JPS6113243Y2 (en) | ||
| JPH0811003A (en) | Device for fetching output signal for confirmation of seating of work | |
| JPS6137442Y2 (en) | ||
| KR880003194Y1 (en) | A gauge | |
| JPH0424403Y2 (en) |