JPS63166305U - - Google Patents
Info
- Publication number
- JPS63166305U JPS63166305U JP5732287U JP5732287U JPS63166305U JP S63166305 U JPS63166305 U JP S63166305U JP 5732287 U JP5732287 U JP 5732287U JP 5732287 U JP5732287 U JP 5732287U JP S63166305 U JPS63166305 U JP S63166305U
- Authority
- JP
- Japan
- Prior art keywords
- main shaft
- hole
- cylindrical member
- shaft
- axial direction
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
Landscapes
- Turning (AREA)
- Gripping On Spindles (AREA)
Description
第１図は本考案の一実施例の主軸構造を示す断
面正面図、第２図は第１図の―線断面側面図
、第３図は従来の主軸構造を示す断面正面図であ
る。
１……主軸、２……ツールホルダ、４……ドロ
ーバ、５……皿バネ、７……ロツド、８……ピス
トン、１０……駆動モータ、１１……ベルト、１
２……駆動モータ、１３……伝達部品（第２の伝
達部材）、１５……円筒部材、１７……伝達部品
（第１の伝達部材）、１８……軸、１９……ホル
ダー、２０……ハウジング、２１……ピストン、
２１ａ……肩部。
FIG. 1 is a cross-sectional front view showing a main shaft structure according to an embodiment of the present invention, FIG. 2 is a cross-sectional side view taken along the line -- in FIG. 1, and FIG. 3 is a cross-sectional front view showing a conventional main shaft structure. 1... Main shaft, 2... Tool holder, 4... Drawbar, 5... Belleville spring, 7... Rod, 8... Piston, 10... Drive motor, 11... Belt, 1
2... Drive motor, 13... Transmission part (second transmission member), 15... Cylindrical member, 17... Transmission part (first transmission member), 18... Shaft, 19... Holder, 20... ...Housing, 21...Piston,
21a...Shoulder.
Claims (1)
主軸の軸線に沿つて穿設された貫通穴と、該貫通
穴に連通し一端に形成された工具挿着部と、前記
貫通穴内に摺動可能に挿嵌され一端に工具を弾性
力で牽引クランプするクランプ部を有するドロー
バとから成る主軸構造において、前記主軸後端に
一体的に設けられた第１の回転伝達部材と、該回
転伝達部材と係合し回転を伝達すると共に中央部
に長穴を設けた円筒部材と、該円筒部材の長穴に
挿通し主軸軸線方向に直交し該主軸軸線方向にの
み摺動可能な軸と、該軸の両端に当接する肩部を
持ち前記円筒部材を収納する貫通孔を有する往復
移動部材と、該往復移動部材を軸線方向に移動す
る駆動源と、主軸後方に回転可能に挿嵌され該主
軸内のドローバ貫通穴に連通する流体供給穴を有
する回転継手と、前記ハウジング壁面に固定され
主軸軸線上に突出した出力軸に設けられ前記円筒
部材に回転を伝達する第２の回転伝達部材とから
なることを特徴とする主軸構造。 A main shaft rotatably supported by the housing, a through hole drilled along the axis of the main shaft, a tool insertion part communicating with the through hole and formed at one end, and slidable into the through hole. and a drawbar having a clamp portion at one end for pulling and clamping a tool with elastic force; a first rotation transmitting member integrally provided at the rear end of the main shaft; A cylindrical member that engages and transmits rotation and has an elongated hole in the center, a shaft that is inserted into the elongated hole of the cylindrical member, is orthogonal to the axial direction of the main shaft, and is slidable only in the axial direction of the main shaft, and the shaft a reciprocating member having shoulders abutting both ends of the cylinder member and a through hole for accommodating the cylindrical member; a drive source for moving the reciprocating member in the axial direction; a rotary joint having a fluid supply hole that communicates with the drawbar through hole, and a second rotation transmission member that is provided on the output shaft that is fixed to the housing wall surface and projects on the main shaft axis and that transmits rotation to the cylindrical member. The main shaft structure is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987057322U JPH0618722Y2 (en) | 1987-04-15 | 1987-04-15 | Spindle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987057322U JPH0618722Y2 (en) | 1987-04-15 | 1987-04-15 | Spindle structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63166305U true JPS63166305U (en) | 1988-10-28 |
| JPH0618722Y2 JPH0618722Y2 (en) | 1994-05-18 |
Family
ID=30886925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987057322U Expired - Lifetime JPH0618722Y2 (en) | 1987-04-15 | 1987-04-15 | Spindle structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618722Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555337U (en) * | 1978-10-09 | 1980-04-15 | ||
| JPS5953136A (en) * | 1982-09-14 | 1984-03-27 | Teijin Seiki Co Ltd | Main shaft driving apparatus |
| JPS6026896U (en) * | 1983-07-29 | 1985-02-23 | 小澤 輝雄 | wall memo stand |
-
1987
- 1987-04-15 JP JP1987057322U patent/JPH0618722Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555337U (en) * | 1978-10-09 | 1980-04-15 | ||
| JPS5953136A (en) * | 1982-09-14 | 1984-03-27 | Teijin Seiki Co Ltd | Main shaft driving apparatus |
| JPS6026896U (en) * | 1983-07-29 | 1985-02-23 | 小澤 輝雄 | wall memo stand |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618722Y2 (en) | 1994-05-18 |
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