JPH0340497Y2 - - Google Patents
Info
- Publication number
- JPH0340497Y2 JPH0340497Y2 JP1986138726U JP13872686U JPH0340497Y2 JP H0340497 Y2 JPH0340497 Y2 JP H0340497Y2 JP 1986138726 U JP1986138726 U JP 1986138726U JP 13872686 U JP13872686 U JP 13872686U JP H0340497 Y2 JPH0340497 Y2 JP H0340497Y2
- Authority
- JP
- Japan
- Prior art keywords
- holder
- hole
- axial direction
- push
- pull shaft
- 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
- 230000000694 effects Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Gripping On Spindles (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案はエンドミル等の工具ホルダ装置に関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a tool holder device for an end mill or the like.
従来エンドミル等の工具ホルダ装置としては
種々知られている。
2. Description of the Related Art Various tool holder devices for end mills and the like are conventionally known.
例えば出願人は、第１図〜第３図に示す工具ホ
ルダ装置を考案し、先の出願として出願してい
る。 For example, the applicant has devised a tool holder device shown in FIGS. 1 to 3 and has filed an earlier application.
その概略構成を説明する。 Its schematic configuration will be explained.
ホルダ本体１の先端に突設したホルダ部１′内
に工具を保持するチヤツク体５を設け、該チヤツ
ク体５を押引動作により拡縮運動可能にしたもの
であつて、上記ホルダ部１′に設けた保持孔８内
に押引軸材１０を軸方向移動可能に設け、この押
引軸材１０の先端部を同じくホルダ部１′に設け
た保持孔８内に内装した上記チヤツク体５の後端
部に螺着連結し、該押引軸材１０の中間部に板材
を支承する形状の係合孔１２を貫通形成し、この
係合孔１２に板材状の係合体１１を貫挿し、該係
合体１１の両端部をホルダ部１′の軸方向に穿設
した案内長窓１３に軸方向移動可能に係合し、該
係合体１１の突出両端部を保持する回動体１４を
ホルダ部１′に軸方向移動可能に螺着した構成を
有する。 A chuck body 5 for holding a tool is provided in a holder part 1' protruding from the tip of the holder body 1, and the chuck body 5 can be expanded and contracted by pushing and pulling action. A push/pull shaft member 10 is provided in the holding hole 8 provided so as to be movable in the axial direction, and the tip of the push/pull shaft member 10 is placed inside the holding hole 8 similarly provided in the holder portion 1' of the chuck body 5. Screwingly connected to the rear end part, an engagement hole 12 having a shape to support a plate is formed in the middle part of the push/pull shaft 10, and a plate-shaped engagement body 11 is inserted into the engagement hole 12, Both ends of the engaging body 11 are axially movably engaged with guide length windows 13 bored in the axial direction of the holder part 1', and the rotating body 14 that holds both protruding ends of the engaging body 11 is connected to the holder part 1'. 1' so as to be movable in the axial direction.
このような工具ホルダ装置は、回動体１４を回
動すると螺着部１５の作用で回動体１４は回動し
つつ軸方向に移動し、この軸方向移動により回動
体１４に緩く係合保持されている係合体１１は回
り止め状態で軸方向に移動し、かつ押引軸材１０
も軸方向に移動し、この場合押引軸材１０が前進
すると押引軸材１０と螺着連結されているチヤツ
ク体５も前進し、チヤツク体５は自己弾性により
拡張運動し、押引軸材１０が後退するとチヤツク
体５も後退し、チヤツク体５はテーパ内面９とテ
ーパ外面７の当接作用で縮小運動し、工具１６を
挟着保持できる。 In such a tool holder device, when the rotating body 14 is rotated, the rotating body 14 rotates and moves in the axial direction due to the action of the threaded portion 15, and this axial movement causes the rotating body 14 to be loosely engaged and held. The engaging body 11 moves in the axial direction in a non-rotating state, and the push/pull shaft member 10
In this case, when the push-pull shaft member 10 moves forward, the chuck body 5 screwed to the push-pull shaft member 10 also moves forward, and the chuck body 5 expands due to its own elasticity, and the push-pull shaft moves forward. When the material 10 retreats, the chuck body 5 also retreats, and the chuck body 5 undergoes a contraction movement due to the contact between the tapered inner surface 9 and the tapered outer surface 7, and can hold the tool 16 therebetween.
しかしながらこの先の出願は、板状の係合体１
１の側面が回動体１４の係止段部１４′に係止す
るため大きな面圧を受ける欠点が生ずることが確
認された。
However, in this earlier application, the plate-shaped engaging body 1
It has been confirmed that since the side surface of the rotating body 14 is engaged with the engagement step 14' of the rotary body 14, a disadvantage arises in that it receives a large surface pressure.
出願人は、かかる欠点を解決した工具ホルダ装
置を提案するものである。 The applicant proposes a tool holder device that solves these drawbacks.
本考案の要旨は、ホルダ本体１の先端に突設し
たホルダ部１′内に工具を保持するチヤツク体５
を設け、該チヤツク体５を押引動作により拡縮運
動可能にしたものであつて、上記ホルダ部１′に
設けた保持孔８内に押引軸材１０を軸方向移動可
能に設け、この押引軸材１０の先端部を同じくホ
ルダ部１′に設けた保持孔８内に内装した上記チ
ヤツク体５の後端部に螺着連結し、ホルダ部１′
にカラー部材１７を被嵌し、このカラー部材１７
にピン状の係合体１１を支承する貫通孔１８を穿
設し、該押引軸材１０の中間部にピン状の係合体
１１を支承する係合孔１２を貫通形成し、この係
合孔１２とカラー部材１７に穿設した貫通孔１８
に係合体１１を貫挿し、該係合体１１の両端部を
ホルダ部１′の軸方向に穿設した案内長窓１３に
軸方向移動可能に嵌入係合し、該係合体１１の突
出両端部を保持する係止段面１４′を有する回動
体１４をホルダ部１′に軸方向移動可能に螺着し
て構成したことを特徴とする工具ホルダ装置に係
るものである。
The gist of the present invention is to provide a chuck body 5 for holding a tool in a holder portion 1' protruding from the tip of a holder body 1.
A push-pull shaft member 10 is provided in a holding hole 8 provided in the holder portion 1' so as to be movable in the axial direction, and the chuck body 5 can be expanded and contracted by pushing and pulling action. The tip of the pull shaft member 10 is screwed and connected to the rear end of the chuck body 5 which is placed inside the holding hole 8 similarly provided in the holder part 1'.
The collar member 17 is fitted onto the collar member 17.
A through hole 18 for supporting the pin-shaped engaging body 11 is formed in the push-pull shaft member 10, and an engaging hole 12 for supporting the pin-shaped engaging body 11 is formed in the middle of the push-pull shaft member 10. 12 and a through hole 18 bored in the collar member 17
The engaging body 11 is inserted through the holder portion 1', and both ends of the engaging body 11 are fitted into and engaged with the guide length windows 13 formed in the axial direction of the holder portion 1' so as to be movable in the axial direction. The present invention relates to a tool holder device characterized in that a rotating body 14 having a locking stepped surface 14' for holding a rotary member 14 is screwed onto a holder portion 1' so as to be movable in the axial direction.
回動体１４を回動すると螺着部１５の作用で回
動体１４は回動しつつ軸方向に移動し、この軸方
向移動により回動体１４の係止段面１４′に係合
するカラー部材１７は係合体１１とともに回り止
め状態で軸方向に移動し、かつ押引軸材１０も軸
方向に移動し、この場合押引軸材１０が前進する
とチヤツク体５も一緒に前進し、チヤツク体５は
自己弾性により拡張運動し、押引軸材１０が後退
するとチヤツク体５も後退し、チヤツク体５はテ
ーパ内面９とテーパ外面７の当接作用で縮小運動
し、工具１６を挟着保持できる。
When the rotating body 14 is rotated, the rotating body 14 rotates and moves in the axial direction due to the action of the threaded portion 15, and this axial movement causes the collar member 17 to engage with the locking stepped surface 14' of the rotating body 14. moves in the axial direction together with the engaging body 11 in a non-rotating state, and the push-pull shaft member 10 also moves in the axial direction. In this case, when the push-pull shaft member 10 moves forward, the chuck body 5 also moves forward together, and the chuck body 5 expands due to self-elasticity, and when the push/pull shaft member 10 retreats, the chuck body 5 also retreats, and the chuck body 5 contracts due to the abutting action between the tapered inner surface 9 and the tapered outer surface 7, so that the tool 16 can be clamped and held. .
第４図〜第６図が本考案の実施例である。 4 to 6 show examples of the present invention.
係合体１１は、ピン状に形成され、回動体１４
の構成部材１４ａ，１４ｂ間にカラー部材１７を
回動体１４に対して緩く装着して、遊転可能なカ
ラー部材１７をホルダ部１′に被嵌し、カラー部
材１７に貫通孔１８を形成し、押引軸材１０の係
合孔１２をピン状の係合体１１を丁度支承する円
形孔とし、ピン状の係合体１１を貫通孔１８及び
平面より見てほぼ長方形状の孔に形成した案内長
窓１３を介して係合孔１２に貫通し、係合体１１
を回り止め状態で軸方向移動可能にホルダ部１′
に保持するように形成されている。 The engaging body 11 is formed into a pin shape, and the rotating body 14
The collar member 17 is loosely attached to the rotating body 14 between the structural members 14a and 14b, and the freely rotatable collar member 17 is fitted into the holder portion 1', and a through hole 18 is formed in the collar member 17. , a guide in which the engaging hole 12 of the push/pull shaft member 10 is a circular hole that exactly supports the pin-shaped engaging body 11, and the pin-shaped engaging body 11 is formed into a through hole 18 and a substantially rectangular hole when viewed from the top. It penetrates into the engagement hole 12 through the long window 13, and the engagement body 11
The holder part 1' can be moved in the axial direction while being prevented from rotating.
It is designed to hold the
符号１はホルダ本体であつて、ホルダ本体１の
基部は工作機械のスピンドル２に嵌着され、ホル
ダ本体１の基端部に爪部材３により引寄せられる
プルスタツド４を設けている。 Reference numeral 1 denotes a holder body, and the base of the holder body 1 is fitted onto a spindle 2 of a machine tool, and a pull stud 4 that is pulled by a claw member 3 is provided at the base end of the holder body 1.
符号５はチヤツク体であつて、チヤツク体５は
数個の割溝６を有し、チヤツク体５の先端部外周
面は先拡がりのテーパ外面７に形成され、チヤツ
ク体５はホルダ本体１の先端に突設したホルダ部
１′の保持孔８内に移動可能に嵌合され、保持孔
８の先端部のテーパ内面９と前記テーパ外面７と
の当接作用でチヤツク体５を拡縮運動可能にした
ものである。 Reference numeral 5 denotes a chuck body, the chuck body 5 has several grooves 6, the outer circumferential surface of the distal end of the chuck body 5 is formed into a tapered outer surface 7 that widens at the tip, and the chuck body 5 It is movably fitted into the holding hole 8 of the holder part 1' protruding from the tip, and the chuck body 5 can be expanded and contracted by the contact between the tapered inner surface 9 of the tip of the holding hole 8 and the tapered outer surface 7. This is what I did.
符号１０は押引軸材であつて、押引軸材１０は
軸状に形成され、前記ホルダ部１′の保持孔８の
延長部に軸方向移動可能に設けられ、その先端部
はチヤツク体５に螺着連結されている。 Reference numeral 10 denotes a push-pull shaft member. The push-pull shaft member 10 is formed into a shaft shape, and is provided in an extension of the holding hole 8 of the holder portion 1' so as to be movable in the axial direction, and its tip end is connected to the chuck body. 5 is screwed and connected.
符号１３は案内長窓であつて、平面より見てほ
ぼ長方形状の孔であつて、ホルダ部１′に形成さ
れ、前記係合体１１を回り止め状態で軸方向移動
可能にホルダ部１′に保持するように形成されて
いる。 Reference numeral 13 denotes a guide long window, which is a substantially rectangular hole when viewed from above, and is formed in the holder portion 1', and is inserted into the holder portion 1' so that the engaging body 11 can be moved in the axial direction while being prevented from rotating. shaped to hold.
符号１４は回動体であつて、回動体１４はこの
場合２部材を螺着することにより一体形成され、
この構成部材１４ａ，１４ｂ間にカラー部材１７
を係止段面１４′で係止して保持するように設け、
回動体１４をホルダ部１′の外周面の螺着部１５
に螺着している。 Reference numeral 14 denotes a rotating body, and in this case, the rotating body 14 is integrally formed by screwing two members together.
A collar member 17 is provided between the structural members 14a and 14b.
is provided so as to be locked and held by the locking step surface 14',
The rotating body 14 is connected to the threaded portion 15 on the outer peripheral surface of the holder portion 1'.
It is screwed on.
本考案は上述の回動体を回動すると回動体は回
動しつつ軸方向に移動し、この軸方向移動により
回動体の係止断面に係止するカラー部材を介して
係合体を回り止め状態で軸方向に移動し、かつ押
引軸材も軸方向に移動し、この押引軸材に螺着連
結したチヤツク体をも一緒に押引作動することに
なるから工具を挟着保持でき、このため簡素な構
造にして耐久性の高いチヤツク作動機構を得るこ
とができ、製作容易，組立分解も容易にしてコス
ト低減が可能な工具ホルダ装置となる。
In the present invention, when the above-mentioned rotating body is rotated, the rotating body rotates and moves in the axial direction, and this axial movement causes the engaging body to be held in a non-rotating state through a collar member that is engaged with the locking cross section of the rotating body. The tool is moved in the axial direction, and the push/pull shaft material is also moved in the axial direction, and the chuck body screwed to the push/pull shaft material is also pushed and pulled together, so the tool can be clamped and held. Therefore, a chuck operating mechanism with a simple structure and high durability can be obtained, and the tool holder device is easy to manufacture, easy to assemble and disassemble, and can reduce costs.
その上ピン状の係合体はホルダ部に被嵌したカ
ラー部材の貫通孔に嵌挿され、回動体の係止段面
への係止はカラー部材の両端面の全周面で行われ
るから出願人が考案した第１図〜第３図の実施例
に比して係合体１１と回動体１４との接触面積が
大きくなり、且つそれだけ面圧が小さくなり、押
引軸材１０の押引動作を歪みを与えることなく良
好にできる実用性秀れた工具ホルダ装置となる。 Moreover, the pin-shaped engaging body is fitted into the through hole of the collar member fitted into the holder part, and the locking of the rotating body to the locking step surface is performed on the entire circumferential surface of both end faces of the collar member. Compared to the embodiments of FIGS. 1 to 3 devised by humans, the contact area between the engaging body 11 and the rotating body 14 is larger, and the surface pressure is correspondingly smaller. This is a highly practical tool holder device that can be used without causing distortion.
以上、所期の目的を充分達成することができ
る。 As described above, the intended purpose can be fully achieved.
第１図は出願人の先願に係る実施例の全体側面
図、第２図は同上横断面図、第３図は同上部分斜
視図、第４図は本考案の実施例の全体側面図、第
５図は同上横断面図、第６図は同上部分斜視図で
ある。
１……ホルダ本体、１′……ホルダ部、２……、
５……チヤツク体、８……保持孔、１０……押引
軸材、１１……係合体、１２……係合孔、１３…
…案内長窓、１４……回動体、１４′……係止段
面、１７……カラー部材、１８……貫通孔。
FIG. 1 is an overall side view of the embodiment according to the applicant's earlier application, FIG. 2 is a cross-sectional view of the same, FIG. 3 is a partial perspective view of the same, and FIG. 4 is an overall side view of the embodiment of the present invention. FIG. 5 is a cross-sectional view of the same, and FIG. 6 is a partial perspective view of the same. 1...Holder body, 1'...Holder part, 2...,
5...chuck body, 8...holding hole, 10...push/pull shaft member, 11...engaging body, 12...engaging hole, 13...
... Guide length window, 14 ... Rotating body, 14' ... Locking step surface, 17 ... Collar member, 18 ... Through hole.
Claims (1)
を保持するチヤツク体を設け、該チヤツク体を押
引動作により拡縮運動可能にしたものであつて、
上記ホルダ部に設けた保持孔内に押引軸材を軸方
向移動可能に設け、この押引軸材の先端部を同じ
くホルダ部に設けた保持孔内に内装した上記チヤ
ツク体の後端部に螺着連結し、ホルダ部にカラー
部材を被嵌し、このカラー部材にピン状の係合体
を支承する貫通孔を穿設し、該押引軸材の中間部
にピン状の係合体を支承する係合孔を貫通形成
し、この係合孔とカラー部材に穿設した貫通孔に
係合体を貫挿し、該係合体の両端部をホルダ部の
軸方向に穿設した案内長窓に軸方向移動可能に嵌
入係合し、該係合体の突出両端部を保持する係止
段面を有する回動体をホルダ部に軸方向移動可能
に螺着して構成したことを特徴とする工具ホルダ
装置。 A chuck body for holding a tool is provided in a holder portion protruding from the tip of the holder body, and the chuck body can be expanded and contracted by pushing and pulling action,
A rear end portion of the chuck body in which a push-pull shaft member is provided in a holding hole provided in the holder portion so as to be movable in the axial direction, and the tip of this push-pull shaft material is placed within the holding hole also provided in the holder portion. A collar member is fitted onto the holder portion, a through hole for supporting a pin-shaped engaging body is bored in the collar member, and a pin-shaped engaging body is mounted in the middle part of the push/pull shaft member. A supporting engagement hole is formed through the collar member, an engagement body is inserted through the engagement hole and a through hole bored in the collar member, and both ends of the engagement body are inserted into guide length windows bored in the axial direction of the holder part. A tool holder characterized in that a rotary body is screwed onto a holder part so as to be movable in an axial direction, and has a locking stepped surface that is fitted and engaged so as to be movable in an axial direction and that holds both protruding ends of the engaging body. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138726U JPH0340497Y2 (en) | 1986-05-15 | 1986-09-10 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7317586 | 1986-05-15 | ||
| JP1986138726U JPH0340497Y2 (en) | 1986-05-15 | 1986-09-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6376404U JPS6376404U (en) | 1988-05-20 |
| JPH0340497Y2 true JPH0340497Y2 (en) | 1991-08-26 |
Family
ID=33161335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986138726U Expired JPH0340497Y2 (en) | 1986-05-15 | 1986-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340497Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60183104U (en) * | 1984-05-10 | 1985-12-05 | ビツグツ−ルエンジニアリング株式会社 | Collection check |
-
1986
- 1986-09-10 JP JP1986138726U patent/JPH0340497Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6376404U (en) | 1988-05-20 |
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