JPH0224567Y2 - - Google Patents
Info
- Publication number
- JPH0224567Y2 JPH0224567Y2 JP1986011374U JP1137486U JPH0224567Y2 JP H0224567 Y2 JPH0224567 Y2 JP H0224567Y2 JP 1986011374 U JP1986011374 U JP 1986011374U JP 1137486 U JP1137486 U JP 1137486U JP H0224567 Y2 JPH0224567 Y2 JP H0224567Y2
- Authority
- JP
- Japan
- Prior art keywords
- clamp member
- nut
- chuck
- ring
- groove
- 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
- 210000005069 ears Anatomy 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
Landscapes
- Gripping On Spindles (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、ドリル、エンドミル等の切削工具を
把持するチヤツクに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a chuck for gripping a cutting tool such as a drill or an end mill.
スピンドル装置の回転をドリル等の工具に伝え
るため、従来からチヤツクによつて工具を把持
し、このチヤツクをスピンドル装置の主軸に取付
けるようにしている。
In order to transmit the rotation of a spindle device to a tool such as a drill, the tool is conventionally gripped by a chuck, and this chuck is attached to the main shaft of the spindle device.
そしてチヤツクには工具を締付けるクランプ部
材の交換を容易とするために、チヤツク本体とク
ランプ部材とを別体とし、チヤツク本体にナツト
を締付けることによりチヤツク本体に挿着したク
ランプ部材を縮径させ工具を把持するとともに、
ナツトを緩めることによりチヤツク本体からクラ
ンプ部材を取外せるようにしたものがある。 In order to make it easier to replace the clamp member that tightens the tool, the chuck body and the clamp member are separated, and by tightening a nut on the chuck body, the diameter of the clamp member inserted into the chuck body is reduced. While grasping the
Some devices allow the clamp member to be removed from the chuck body by loosening the nut.
しかしながら、一旦ナツトを締付けた後にナツ
トを緩めてクランプ部材を取外そうとしてもチヤ
ツク本体内にクランプ部材が強固に嵌り込み、抜
けないことがある。 However, even if an attempt is made to remove the clamp member by loosening the nut after the nut has been tightened, the clamp member may become firmly fitted into the chuck body and cannot be removed.
そこで第７図に示す如きチヤツクが実公昭56−
7366号として提案されている。このチヤツクは、
チヤツク本体１００の先端外周部に螺合するナツ
ト１０１の一部に三日月状をなすリブ１０２を形
成し、クランプ部材１０３をナツト１０１内に前
記リブ１０２をクランプ部材１０３の溝部１０４
に係合せしめるようにして組立て、ナツト１０１
をチヤツク本体１００のねじ筒部１００ａに図示
しない工具をクランプ部材１０４内で保持しつつ
締め付け、工具を外すときにはナツト１０１を緩
めてクランプ部材１０３をナツト１０１と一体的
に軸方向に強制的に引き抜くようにしたものであ
る。 Therefore, a chuck as shown in Fig. 7 was developed in 1983.
Proposed as No. 7366. This chuck is
A crescent-shaped rib 102 is formed on a part of the nut 101 that is screwed onto the outer periphery of the tip of the chuck body 100, and the clamp member 103 is inserted into the nut 101 and the rib 102 is inserted into the groove 104 of the clamp member 103.
Assemble the nut 101 by engaging it with the nut 101.
is tightened while holding a tool (not shown) in the threaded cylindrical portion 100a of the chuck body 100 within the clamp member 104, and when removing the tool, the nut 101 is loosened and the clamp member 103 is forcibly pulled out in the axial direction together with the nut 101. This is how it was done.
上述したチヤツクによれば、ある程度締付け範
囲が大きくてもクランプ部材をチヤツク本体から
抜くことができるが、リブ１０２はナツト１０１
に対して偏心しているため極めて製作が面倒であ
り、また一部にしかリブが形成されていないた
め、ナツトを外すときには、その力がリブ１０２
を介してクランプ部材に斜めに作用してクランプ
部材が曲つてしまい途中でクランプ部材１０３が
抜けなくなつてしまうおそれがある。
According to the chuck described above, the clamp member can be removed from the chuck body even if the tightening range is large to some extent;
It is extremely troublesome to manufacture because it is eccentric to the nut, and since the rib is formed only in a part, when removing the nut, the force is applied to the rib 102.
There is a risk that the clamp member 103 may be obliquely acted on through the clamp member, causing the clamp member to bend and become unable to be removed halfway.
上記問題点を解決すべく本考案は、チヤツク本
体にクランプ部材を差込んだ状態でチヤツク本体
に螺合するナツトを廻して螺進せしめ、この螺進
でクランプ部材の外周部を押圧し、クランプ部材
を縮径してクランプ部材に挿着した工具を締付け
保持するようにしたチヤツクにおいて、前記クラ
ンプ部材の外周面には周方向に溝部が形成され、
また前記ナツトの内部には前記クランプ部材の溝
部に着脱自在に係合する一対の耳部を有するリン
グが脱出不能に保持されたものである。
In order to solve the above-mentioned problems, the present invention involves inserting the clamp member into the chuck body, then turning a nut that is screwed into the chuck body to make it screw, and this screwing presses the outer periphery of the clamp member, thereby clamping the clamp member. In the chuck, which is configured to tighten and hold a tool inserted into the clamp member by reducing the diameter of the member, a groove is formed in the circumferential direction on the outer peripheral surface of the clamp member,
Further, a ring having a pair of ears that removably engages with the groove of the clamp member is held inside the nut so as not to be able to escape.
ナツトを締付け方向に廻すと、ナツトに取付け
た押圧部材の内周面がクランプ部材の外周面を押
圧し縮径せしめ、一方ナツトを緩み方向に廻すと
リングの耳部がクランプ部材の溝部に係合してい
るため、クランプ部材はチヤツク本体から抜かれ
る。このときナツトの力はクランプ部材の軸に対
して対称の２つの場所に加わるのでクランプ部材
が真すぐに移動してクランプ部材のスムーズな取
外しが可能となる。
When the nut is turned in the tightening direction, the inner circumferential surface of the pressing member attached to the nut presses the outer circumferential surface of the clamp member to reduce its diameter, while when the nut is turned in the loosening direction, the ears of the ring engage the grooves of the clamp member. Since they are aligned, the clamp member can be pulled out from the chuck body. At this time, the force of the nut is applied to two locations symmetrical with respect to the axis of the clamp member, so that the clamp member moves straight, allowing smooth removal of the clamp member.
以下に本考案の実施例を添付図面に基いて説明
する。
Embodiments of the present invention will be described below with reference to the accompanying drawings.
第１図は本考案に係るチヤツクの一部断面図、
第２図は同チヤツクの要部の分解図、第３図はリ
ングの平面図である。 FIG. 1 is a partial cross-sectional view of the chuck according to the present invention.
FIG. 2 is an exploded view of the main parts of the chuck, and FIG. 3 is a plan view of the ring.
チヤツク本体１は基部をスピンドル装置の主軸
内に挿入するテーパ部２とし、先部には雌テーパ
状の内孔３を形成し、この内孔３にはクランプ部
材４が嵌め付けられている。クランプ部材４は２
つの切頭円錐体の底面同士を接合一体化した外形
をなし、軸方向には縮径を容易にするための多数
のスリツト５…５を形成し、また２つの切頭円錐
体の接合部に相当する部分には周方向に溝部６を
形成している。 The chuck body 1 has a tapered portion 2 at its base that is inserted into the main shaft of a spindle device, and a female tapered inner hole 3 formed at its tip, into which a clamp member 4 is fitted. Clamp member 4 is 2
It has an external shape in which the bottom surfaces of two truncated cones are joined and integrated, and a number of slits 5...5 are formed in the axial direction to facilitate diameter reduction, and the joint of the two truncated cones is A groove 6 is formed in the corresponding portion in the circumferential direction.
一方、チヤツク本体１の先部外周には雄ネジ部
が刻設され、この雄ネジ部にナツト７の内周面に
刻設した雌ネジ部が螺合している。そして、ナツ
ト７の先部内周にはベアリング８を介して押圧部
材９が固着されている。この押圧部材９は環状を
なし、その内周面はクランプ部材４の外周面と平
行な円錐面をなしている。更にナツト７と押圧部
材９との間にはリング１０が若干の遊びをもつて
保持されている。このリング１０は第３図に示す
ように対向する２箇所に内径方向に突出する一対
の耳部１１，１１が形成され、これら耳部１１，
１１がクランプ部材４の溝部６に係合している。 On the other hand, a male threaded portion is formed on the outer periphery of the tip of the chuck body 1, and a female threaded portion formed on the inner peripheral surface of the nut 7 is screwed into this male threaded portion. A pressing member 9 is fixed to the inner periphery of the tip of the nut 7 via a bearing 8. This pressing member 9 has an annular shape, and its inner circumferential surface is a conical surface parallel to the outer circumferential surface of the clamp member 4. Furthermore, a ring 10 is held between the nut 7 and the pressing member 9 with some play. As shown in FIG. 3, this ring 10 has a pair of ears 11, 11 formed at two opposing locations that protrude in the inner diameter direction, and these ears 11,
11 is engaged with the groove 6 of the clamp member 4.
以上において、ナツト７を締付け方向に廻すと
ナツト７は第１図中左方に螺進し、これにより押
圧部材９の内周面および前記チヤツク本体１の内
孔３の内周面がクランプ部材４の外周面を押圧
し、この押圧によりクランプ部材４の内径が縮径
し、クランプ部材４内に挿入した図示しない工具
が強固に把持される。 In the above, when the nut 7 is turned in the tightening direction, the nut 7 spirals to the left in FIG. The inner diameter of the clamp member 4 is reduced by this pressure, and a tool (not shown) inserted into the clamp member 4 is firmly gripped.
またナツト７を緩み方向に廻すとナツト７は第
１図中右方に螺進し、この時ナツト７と押圧部材
９間に保持されているリング１０の耳部１１，１
１がクランプ部材４の溝部６に係合しているた
め、クランプ部材４は軸方向に引き抜かれる。こ
のとき、ナツト７の力はリング１０の耳部１１，
１１およびクランプ部材４の溝部６を介してクラ
ンプ部材の軸に対して対称の２つの場所に伝達さ
れるので、クランプ部材が真すぐに引抜かれ、前
記周孔内で斜めにこじれて噛みついてしまうとい
うことがない。 Further, when the nut 7 is turned in the loosening direction, the nut 7 spirals to the right in FIG.
1 is engaged with the groove 6 of the clamp member 4, the clamp member 4 is pulled out in the axial direction. At this time, the force of the nut 7 is applied to the ears 11 of the ring 10,
11 and the groove 6 of the clamp member 4 to two locations symmetrical with respect to the axis of the clamp member, so that the clamp member is pulled out straight and is twisted obliquely in the circumferential hole and becomes stuck. There is no such thing.
そして、クランプ部材４をナツト７とともにチ
ヤツク本体１から取外したならば、例えば他のク
ランプ部材をナツト７に装着する。ただし、ナツ
ト７からクランプ部材４を取外す場合には、クラ
ンプ部材４を第４図に示すように若干傾けるよう
にして引く。すなわち、溝６へ耳部１１の一方を
深く入れてそこを支点として反対側を他の耳部１
１から外すようにする。また新たなクランプ部材
を装着する場合には取外す場合と同様にクランプ
部材４を傾け、耳部の一方を先に溝部６に係合し
た後、クランプ部材をナツト内に押し込み、他方
の耳部も溝部６に係合させるようにすればよい。 After the clamp member 4 is removed from the chuck body 1 together with the nut 7, another clamp member is attached to the nut 7, for example. However, when removing the clamp member 4 from the nut 7, pull the clamp member 4 so as to tilt it slightly as shown in FIG. That is, one of the ear parts 11 is deeply inserted into the groove 6, and the other side is inserted into the other ear part 1 using that as a fulcrum.
Make sure to remove it from 1. Also, when installing a new clamp member, tilt the clamp member 4 in the same way as when removing it, engage one of the ears with the groove 6 first, then push the clamp member into the nut, and then attach the other ear as well. What is necessary is just to make it engage with the groove part 6.
また、第５図および第６図に示すように、リン
グ１０をばねリングとするとともに、その一部を
切断しておけば、リング１０が弾性変形するの
で、クランプ部材４とナツト７との係合および取
外しが容易となる。 Further, as shown in FIGS. 5 and 6, if the ring 10 is made into a spring ring and a part of it is cut off, the ring 10 will be elastically deformed, so that the engagement between the clamp member 4 and the nut 7 will be improved. Easy to install and remove.
以上に説明した如く本考案によれば、ナツトに
リングを設け、このリングに一対の耳部を形成
し、これら一対の耳部がクランプ部材の溝部に係
合するようにしたので、従来の如くナツトに偏心
したリブを形成した場合に比べ、製作が容易で、
しかも一対の耳部によりクランプ部材を引くため
真すぐにクランプ部材を引抜くことができる。
As explained above, according to the present invention, a ring is provided on the nut, a pair of ears are formed on this ring, and these pair of ears are engaged with the groove of the clamp member, so that it is not possible to use the ring as in the conventional case. It is easier to manufacture than when eccentric ribs are formed on the nut.
Furthermore, since the clamp member is pulled by the pair of ears, the clamp member can be pulled out straight.
第１図は本考案に係るチヤツクの一部断面図、
第２図は同チヤツクの要部分解図、第３図はリン
グの平面図、第４図はリングとクランプ部材接合
状態説明図、第５図はリングの他の実施例を示す
平面図、第６図は同側面図、第７図は従来のチヤ
ツクの一部断面図である。
１…チヤツク本体、４…クランプ部材、６…溝
部、７…ナツト、９…押圧部材、１０…リング、
１１…耳部。
FIG. 1 is a partial cross-sectional view of the chuck according to the present invention.
Fig. 2 is an exploded view of the main parts of the chuck, Fig. 3 is a plan view of the ring, Fig. 4 is an explanatory view of the state in which the ring and the clamp member are joined, Fig. 5 is a plan view showing another embodiment of the ring, and Fig. 5 is a plan view of the ring. 6 is a side view of the same, and FIG. 7 is a partial sectional view of the conventional chuck. DESCRIPTION OF SYMBOLS 1...Chuck body, 4...Clamp member, 6...Groove part, 7...Nut, 9...Press member, 10...Ring,
11... Ears.
Claims (1)
で、チヤツク本体に螺合するナツトを廻して螺進
せしめ、この螺進でクランプ部材の外周部を押圧
し、クランプ部材を縮径してクランプ部材に挿着
した工具を締付け保持するようにしたチヤツクに
おいて、前記クランプ部材の外周面には周方向に
溝部が形成され、また前記ナツトの内部には前記
クランプ部材の溝部に着脱自在に係合する一対の
耳部を有するリングが脱出不能に保持されている
ことを特徴とするチヤツク。 With the clamp member inserted into the chuck body, turn the nut that is screwed into the chuck body and screw it in. This screwing presses the outer periphery of the clamp member, reducing the diameter of the clamp member and inserting it into the clamp member. In the chuck, which is adapted to tighten and hold a mounted tool, a groove is formed in the circumferential direction on the outer peripheral surface of the clamp member, and a pair of grooves are formed inside the nut to removably engage with the groove of the clamp member. A chuck characterized in that a ring having ears is held in such a way that it cannot escape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011374U JPH0224567Y2 (en) | 1986-01-29 | 1986-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011374U JPH0224567Y2 (en) | 1986-01-29 | 1986-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62123804U JPS62123804U (en) | 1987-08-06 |
| JPH0224567Y2 true JPH0224567Y2 (en) | 1990-07-05 |
Family
ID=30798530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986011374U Expired JPH0224567Y2 (en) | 1986-01-29 | 1986-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224567Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11101421B2 (en) | 2019-02-25 | 2021-08-24 | Birmingham Technologies, Inc. | Nano-scale energy conversion device |
| US11124864B2 (en) | 2019-05-20 | 2021-09-21 | Birmingham Technologies, Inc. | Method of fabricating nano-structures with engineered nano-scale electrospray depositions |
| US11244816B2 (en) | 2019-02-25 | 2022-02-08 | Birmingham Technologies, Inc. | Method of manufacturing and operating nano-scale energy conversion device |
| US11417506B1 (en) | 2020-10-15 | 2022-08-16 | Birmingham Technologies, Inc. | Apparatus including thermal energy harvesting thermionic device integrated with electronics, and related systems and methods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4213748Y1 (en) * | 1964-05-06 | 1967-08-04 | ||
| CH576834A5 (en) * | 1974-07-10 | 1976-06-30 | Schaublin Sa | Extracting spring collet from bore of tool holder - involves nut held to collet by lip on spring and pulled free as nut is unscrewed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0131363Y2 (en) * | 1985-06-10 | 1989-09-26 |
-
1986
- 1986-01-29 JP JP1986011374U patent/JPH0224567Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4213748Y1 (en) * | 1964-05-06 | 1967-08-04 | ||
| CH576834A5 (en) * | 1974-07-10 | 1976-06-30 | Schaublin Sa | Extracting spring collet from bore of tool holder - involves nut held to collet by lip on spring and pulled free as nut is unscrewed |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11101421B2 (en) | 2019-02-25 | 2021-08-24 | Birmingham Technologies, Inc. | Nano-scale energy conversion device |
| US11244816B2 (en) | 2019-02-25 | 2022-02-08 | Birmingham Technologies, Inc. | Method of manufacturing and operating nano-scale energy conversion device |
| US11124864B2 (en) | 2019-05-20 | 2021-09-21 | Birmingham Technologies, Inc. | Method of fabricating nano-structures with engineered nano-scale electrospray depositions |
| US11417506B1 (en) | 2020-10-15 | 2022-08-16 | Birmingham Technologies, Inc. | Apparatus including thermal energy harvesting thermionic device integrated with electronics, and related systems and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62123804U (en) | 1987-08-06 |
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