JPH0329207U - - Google Patents
Info
- Publication number
- JPH0329207U JPH0329207U JP9041089U JP9041089U JPH0329207U JP H0329207 U JPH0329207 U JP H0329207U JP 9041089 U JP9041089 U JP 9041089U JP 9041089 U JP9041089 U JP 9041089U JP H0329207 U JPH0329207 U JP H0329207U
- Authority
- JP
- Japan
- Prior art keywords
- main shaft
- tool holder
- tool
- vacuum pump
- clamping device
- 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.)
- Pending
Links
Landscapes
- Automatic Tool Replacement In Machine Tools (AREA)
- Gripping On Spindles (AREA)
Description
第１図は本考案の一実施例に係るマシニングセ
ンタの主軸の要部断面図、第２図は従来のマシニ
ングセンタの主軸の要部断面図である。
また、図面中、１……主軸、２……ヘツドスト
ツク、３……ベアリング、４……工具ホルダ、５
……コレツト、６……皿バネ、７……プツシユロ
ツド、８……真空ポンプ、９……空気吸出穴であ
る。
FIG. 1 is a sectional view of a main part of a main shaft of a machining center according to an embodiment of the present invention, and FIG. 2 is a sectional view of a main part of a main shaft of a conventional machining center. Also, in the drawings, 1...Main shaft, 2...Head stock, 3...Bearing, 4...Tool holder, 5
...Collection, 6...Disc spring, 7...Push rod, 8...Vacuum pump, 9...Air suction hole.
Claims (1)
に支持された主軸に工具ホルダをクランプーアン
クランプする機構を設けるとともに、該主軸に設
けた空気吸出穴に真空ポンプを連通接続し、該真
空ポンプの作動により上記主軸内を大気圧以下に
して工具ホルダのアンクランプ状態でも工具ホル
ダを保持し得るよう設けたことを特徴とする主軸
の工具クランプ装置。 A mechanism for clamping and unclamping the tool holder on the main shaft rotatably supported by the head stock via a bearing is provided, and a vacuum pump is connected to the air suction hole provided in the main shaft, and the main shaft is operated by the vacuum pump. A tool clamping device for a main spindle, characterized in that the tool clamping device for a main spindle is provided so as to be able to hold a tool holder even when the tool holder is in an unclamped state by setting the inside pressure to below atmospheric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9041089U JPH0329207U (en) | 1989-08-02 | 1989-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9041089U JPH0329207U (en) | 1989-08-02 | 1989-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329207U true JPH0329207U (en) | 1991-03-22 |
Family
ID=31639932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9041089U Pending JPH0329207U (en) | 1989-08-02 | 1989-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329207U (en) |
-
1989
- 1989-08-02 JP JP9041089U patent/JPH0329207U/ja active Pending
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