JPS5856709A - Rotary tool fitting device - Google Patents
Rotary tool fitting deviceInfo
- Publication number
- JPS5856709A JPS5856709A JP56151522A JP15152281A JPS5856709A JP S5856709 A JPS5856709 A JP S5856709A JP 56151522 A JP56151522 A JP 56151522A JP 15152281 A JP15152281 A JP 15152281A JP S5856709 A JPS5856709 A JP S5856709A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- collet
- shaft
- rotary tool
- hole
- 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
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
- B23B31/201—Characterized by features relating primarily to remote control of the gripping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は回転工具取付装置に関し、特に小型軽量で機械
加工作業に適する形式の回転工具取付装置に関するが、
これに限定されるものではない。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rotating tool mounting device, and particularly to a rotating tool mounting device of a type that is small and lightweight and suitable for machining work.
It is not limited to this.
はンシル型ダラインダとして公知の手持ち機械加工作業
用グラインダとして１円筒形ハウジング内に同軸に回転
する軸と該軸を駆動する駆動装置とを有し、軸の前方端
には後方に向ってテーパするテーパ孔を有するコレット
ボデーが取付けられ。A grinder for hand-held machining work, known as a hand-held machining grinder, has a shaft rotating coaxially within a cylindrical housing and a drive device for driving the shaft, with the front end of the shaft tapering toward the rear. A collet body with a tapered hole is attached.
回転工具のシャンク部を収容する円筒孔を有・しコレッ
トボデーのテーパ孔に対応するテーパ部を有するコレッ
トがコレットボデーとねじ係合する形式のものは知られ
ている。これは軽量小型で各種加工作業に適しており、
回転工具の保持は確実で同軸性も十分に保証されるが回
転工具の交換作業かやＮ困難であり、装置の前端部にコ
レットの締付部が存在するので作業に妨げとなる場合が
ある。A type of collet having a cylindrical hole for accommodating a shank portion of a rotary tool and a tapered portion corresponding to a tapered hole of a collet body is threadedly engaged with the collet body. It is lightweight and small and suitable for various processing operations.
Although the rotating tool is securely held and coaxiality is fully guaranteed, it is difficult to replace the rotating tool, and the collet tightening part is located at the front end of the device, which may impede work. .
本発明は上述従来装置の欠点を除去する回転工具取付装
置を提供することを目的とし１本発明によれば１円筒形
のハウジング内で同軸に回転可能の軸と、該軸の前方端
に軸方向位置調節可能に取付けられその前方端の開口に
隣接する内面がテーパ面となされているキャップと、前
記軸の同軸孔にその前方端から挿入されキャップの前記
テーパ面と共働するテーパ部を前方端に有するコレット
と、前記軸の同軸孔に摺動可能に設けられてコレットの
後端に当接する押圧体と、前記軸に横断方向に設けられ
前記同軸孔に連通ずるカム挿入孔と、カム挿入孔に挿入
されカム部を有するカムとを含み、該カムをその軸線ま
わりに回動せしめることによりそのカム部が押圧体を介
してコレットを前方に押付け、コレットのテーパぐ部が
キャップのテーパ面に押付けられてコレットによる回転
工具の締付けが行われることを特徴とする回転工具取付
装置が提供される。SUMMARY OF THE INVENTION It is an object of the present invention to provide a rotary tool mounting device which eliminates the drawbacks of the conventional devices described above. a cap that is attached so as to be adjustable in direction and position and has a tapered inner surface adjacent to an opening at its front end; and a tapered portion that is inserted into the coaxial hole of the shaft from its front end and cooperates with the tapered surface of the cap. a collet provided at the front end; a pressing body slidably provided in the coaxial hole of the shaft and abutting the rear end of the collet; and a cam insertion hole provided in the transverse direction of the shaft and communicating with the coaxial hole; and a cam inserted into the cam insertion hole and having a cam portion, and by rotating the cam around its axis, the cam portion presses the collet forward via the pressing body, and the tapered portion of the collet presses the collet forward through the pressing body. A rotary tool mounting device is provided in which a rotary tool is clamped by a collet that is pressed against a tapered surface.
軸を駆動する駆動装置と−しては、圧縮空気作動のエア
タービン又は電気モータをハウジング内に同軸に設ける
ことが望ましい。As the drive device for driving the shaft, a compressed air-operated air turbine or an electric motor is preferably provided coaxially within the housing.
カムの一端に締付用工具挿入孔を設け、軸の特定回転位
置において該工具挿入孔と整合する工具挿入開口をハウ
ジングに設ける。締付用工具を工具挿入開口を通して工
具挿入孔に挿入すれば軸の回転は抑止され、コレットと
回転〒−具との間の着脱作業は迅速確実に行われる。A tightening tool insertion hole is provided at one end of the cam, and a tool insertion opening is provided in the housing that aligns with the tool insertion hole at a specific rotational position of the shaft. When the tightening tool is inserted into the tool insertion hole through the tool insertion opening, rotation of the shaft is inhibited, and the attachment and detachment between the collet and the rotating tool can be performed quickly and reliably.
゛本発明の実施例を示す添付図面について説明する。゛The accompanying drawings showing embodiments of the present invention will be described.
第１図は回転工具の一例として頭部２．シャンク３を有
する砥石１を示す。第２図、第６図は本発明による回転
工具取付装置を長さ方向に２分割して示す図であり、細
長い円筒状のハウジングは前部４．中央部５および後部
６から成り、これらは互に同軸に連結されている。ハウ
ジングの後端には圧縮空気導管（図示しない）に連結さ
れる接手７が設けられ、中央部ハウジング内には空気タ
ービン（図示しない）が設けられ軸８を駆動する。Figure 1 shows a head 2.0 as an example of a rotary tool. A grinding wheel 1 with a shank 3 is shown. 2 and 6 are views showing the rotary tool mounting device according to the present invention divided into two in the length direction, and the elongated cylindrical housing is located at the front portion 4. It consists of a central part 5 and a rear part 6, which are coaxially connected to each other. At the rear end of the housing there is provided a joint 7 which is connected to a compressed air conduit (not shown), and in the central housing an air turbine (not shown) is provided for driving a shaft 8.
カップリング９を介して軸８によって駆動される軸１０
が前部ハウジング４内で同軸に回転する。Shaft 10 driven by shaft 8 via coupling 9
rotate coaxially within the front housing 4.
軸１０の前方端には雄ね号が設けられて、キャップ２０
とロックナツト２１どがねじ係合している。A male thread is provided at the front end of the shaft 10, and a cap 20 is provided.
and a lock nut 21 are screwed together.
キャップ２０の内面前方端には前方に向ってテーパする
テーパ面２２が設けられる。テーパ面２２に対応してテ
ーパしたテーパぢ２３を有するコレット２４がキャップ
２０に係合し且つ軸１０の軸方向孔１１に挿入されてい
る。２５はコレット２４の切欠き溝であるが、勿論これ
はコレット２４の後端まで延びていてもよく１文は複数
の切欠き溝を設けてもよい。軸１０には横方向孔１４が
設けられ、孔１１の延長部としての小径孔１２゜１３と
連通している。孔１４内にカム６０が配置される゛。カ
ム３０は長さの中央部に小径部３１をその両側に大径部
３２．３３を有し、大径部６２゜３３が孔１４と嵌合す
る。カムの小径部３１とコレット２４の後端との間に段
つきの円柱形の抑圧体２６が配置される。カムの小径部
に１は、孔１３内で滑動する支持体２７を介してばね２
８の力を受けている。カム３０の少くとも一方端面には
締付工具挿入孔６４が設けられ、軸１０°の特定回転位
置においてハウジング４Ｖｃ設けた少くとも１つの工具
挿入孔４Ａと整合する。軸１０の釣合の点ではカム３０
の両端に工具収容孔３４を設けることが望ましい。A tapered surface 22 that tapers forward is provided at the front end of the inner surface of the cap 20. A collet 24 having a taper 23 tapered in correspondence with the tapered surface 22 is engaged with the cap 20 and inserted into the axial hole 11 of the shaft 10. Reference numeral 25 indicates a notch groove of the collet 24, but of course this may extend to the rear end of the collet 24, and one sentence may include a plurality of notch grooves. The shaft 10 is provided with a transverse bore 14, which communicates with a small diameter bore 12.degree. 13 as an extension of the bore 11. A cam 60 is disposed within the hole 14. The cam 30 has a small diameter section 31 at the center of its length and large diameter sections 32,33 on both sides thereof, and the large diameter section 62.33 fits into the hole 14. A stepped cylindrical suppressor 26 is disposed between the small diameter portion 31 of the cam and the rear end of the collet 24. At the small diameter part of the cam 1 is fitted a spring 2 via a support 27 which slides in the hole 13.
It receives the power of 8. A tightening tool insertion hole 64 is provided on at least one end surface of the cam 30, and is aligned with at least one tool insertion hole 4A provided in the housing 4Vc at a specific rotational position of 10 degrees around the axis. In terms of balance of the shaft 10, the cam 30
It is desirable to provide tool accommodation holes 34 at both ends.
回転工具１をコレット２４に挿入してカム３０を回転せ
しめると、コレット２４は左方に運動し。When the rotary tool 1 is inserted into the collet 24 and the cam 30 is rotated, the collet 24 moves to the left.
キャップ２０のテーパ面２２とコレット２４のテーパ部
２３とが密接してコレットが締付けられる。The tapered surface 22 of the cap 20 and the tapered portion 23 of the collet 24 come into close contact, and the collet is tightened.
カム３０の弛み方向の回転は、孔１４とカム６００大径
部３２．３３との間の回転摩擦と、ばね２８の力とによ
って阻止され締付力が弛むことはない。尚この締付時に
締付工具がハウジング４の孔４Ａを貫通しているから軸
１０の回転が同時に阻止され一安全な締付作業を行うこ
とができる。The rotation of the cam 30 in the loosening direction is prevented by the rotational friction between the hole 14 and the large diameter portion 32, 33 of the cam 600 and the force of the spring 28, so that the tightening force does not loosen. During this tightening, since the tightening tool passes through the hole 4A of the housing 4, rotation of the shaft 10 is simultaneously prevented, allowing for safer tightening work.
図において４０．４１は軸１０を支持する球軸受、４３
は止めリング、４４はハウジング４．５を連結するねじ
スリーブ、４５は軸８，１０を連結する接手、４２．４
６は軸１０ 、８１Ｆそれぞれ設けられて接手４５に駆
動的に連結されるビンである。In the figure, 40.41 is a ball bearing that supports the shaft 10, and 43
44 is a threaded sleeve that connects the housing 4.5, 45 is a joint that connects the shafts 8 and 10, 42.4
Reference numeral 6 denotes a bottle provided on each of the shafts 10 and 81F and drivingly connected to the joint 45.
本発明は上述のように回転工具１の取付、取外しが著し
く容易、迅速、確実であり、軽量小型とすることができ
５機械加工能率が著しく向上する。As described above, in the present invention, attachment and detachment of the rotary tool 1 is extremely easy, quick, and reliable, and the rotary tool 1 can be made lightweight and compact, and machining efficiency is significantly improved.
第１図は機械加工工具（回転工具）の−例を示す側面図
。第２図、第３図は本発明による回転工具装置の一例を
一部を省略し且つ長さ方向に２部分に分割して示す縦断
面図。第４図は前部ノ・ウジング内部品の要部を示す第
２図紙面方向縦断面図。
第５図はカムの斜視図。
”１０：軸 ２０：キャップ２１：ロック
ナツト ２３：ヂーパ面２４：コレット ２
６：抑圧体
３０：カム １１，１２，１３，１４ ：孔
３４．４Ａ：工具挿入孔 ３１：カム部特許出願人
鈴木鉄工株式会社
（外２名）FIG. 1 is a side view showing an example of a machining tool (rotary tool). FIGS. 2 and 3 are longitudinal cross-sectional views showing an example of the rotary tool device according to the present invention, with a part omitted and divided into two parts in the length direction. FIG. 4 is a vertical cross-sectional view in the direction of the paper of FIG. 2 showing the main parts of the internal parts of the front housing. FIG. 5 is a perspective view of the cam. 10: Shaft 20: Cap 21: Lock nut 23: Deep surface 24: Collet 2
6: Suppression body 30: Cam 11, 12, 13, 14: Hole 34.4A: Tool insertion hole 31: Cam portion Patent applicant
Suzuki Iron Works Co., Ltd. (2 other people)
Claims (1)
該軸の前方端に軸方向位置調節可能に取付けられその前
方端の開口に隣ｉする内面がテーパ面となされているキ
ャップと、前記軸の同軸孔にその前方端から挿入されキ
ャップの前記テーパ面と共働するテーパ部を前方端に有
するコレットと。 前記軸の同軸孔に摺動可能に設けられてコレットの後端
に当接する抑圧体と、前記軸に横断方向に設けられ前記
同軸孔に連通ずるカム挿入孔と、カム挿入孔に挿入され
カム部を有するカムとを含み。 該カムをその軸線まわりに回動せしめることによりその
カム部が抑圧体を介してコレットを前方に押付け、コレ
ットのテーパ部がキャップのテーパ面に押付けられてコ
レットによる回転工具の締付けが行われることを特徴と
する回転工具取付装置。 （２； 前記軸がハウジング内に設けられた空気圧ま
たは電気的駆動装置によって回転せしめられることを特
徴とする特許請求の範囲第１項記載の回転工具取付装置
。 （３）前記カムの一端に工具挿入孔が設けられ。 ハウジングには前記軸の特定回転位置において前特徴と
する特許請求の範囲第１項記載の回転工具取付装置。 （４）前記キャップは軸にねじ係合しており、該カラー
の軸に対するねじ係合位置固定用ロックナツトも軸にね
じ係合していることを特徴とする特許請求の範囲第１項
記載の回転工具取付装置。[Claims] (11) A shaft coaxially rotatable within a cylindrical housing;
a cap that is attached to the front end of the shaft so that its position can be adjusted in the axial direction and has a tapered inner surface adjacent to the opening at the front end; and a cap that is inserted into the coaxial hole of the shaft from the front end and has a tapered surface. A collet having a tapered portion at its forward end that cooperates with the surface. a suppressor slidably provided in the coaxial hole of the shaft and abutting the rear end of the collet; a cam insertion hole provided transversely in the shaft and communicating with the coaxial hole; and a cam inserted into the cam insertion hole. and a cam having a section. By rotating the cam around its axis, the cam portion presses the collet forward via the suppressor, and the tapered portion of the collet is pressed against the tapered surface of the cap, so that the collet tightens the rotating tool. A rotary tool mounting device featuring: (2) The rotary tool mounting device according to claim 1, wherein the shaft is rotated by a pneumatic or electric drive device provided in the housing. (3) A tool is attached to one end of the cam. The rotary tool mounting device according to claim 1, wherein the housing is provided with an insertion hole. 2. The rotary tool mounting device according to claim 1, wherein the lock nut for fixing the screw engagement position of the collar with respect to the shaft is also threadedly engaged with the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56151522A JPS5856709A (en) | 1981-09-25 | 1981-09-25 | Rotary tool fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56151522A JPS5856709A (en) | 1981-09-25 | 1981-09-25 | Rotary tool fitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5856709A true JPS5856709A (en) | 1983-04-04 |
| JPS6240122B2 JPS6240122B2 (en) | 1987-08-26 |
Family
ID=15520347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56151522A Granted JPS5856709A (en) | 1981-09-25 | 1981-09-25 | Rotary tool fitting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5856709A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472833A (en) * | 1977-11-17 | 1979-06-11 | Mitsubishi Electric Corp | Elevator cage supervisory system |
| US5892190A (en) * | 1988-01-29 | 1999-04-06 | Hitachi, Ltd. | Method and system of controlling elevators and method and apparatus of inputting requests to the control system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125311U (en) * | 1979-03-01 | 1980-09-05 |
-
1981
- 1981-09-25 JP JP56151522A patent/JPS5856709A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125311U (en) * | 1979-03-01 | 1980-09-05 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472833A (en) * | 1977-11-17 | 1979-06-11 | Mitsubishi Electric Corp | Elevator cage supervisory system |
| JPS6247787B2 (en) * | 1977-11-17 | 1987-10-09 | Mitsubishi Electric Corp | |
| US5892190A (en) * | 1988-01-29 | 1999-04-06 | Hitachi, Ltd. | Method and system of controlling elevators and method and apparatus of inputting requests to the control system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6240122B2 (en) | 1987-08-26 |
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