JPH0314373U - - Google Patents
Info
- Publication number
- JPH0314373U JPH0314373U JP7358489U JP7358489U JPH0314373U JP H0314373 U JPH0314373 U JP H0314373U JP 7358489 U JP7358489 U JP 7358489U JP 7358489 U JP7358489 U JP 7358489U JP H0314373 U JPH0314373 U JP H0314373U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- labyrinth seal
- rotating shaft
- drain
- 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
- 239000002173 cutting fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
〜第４図は従来技術を示す構成図である。
図面中、１…主軸、２…軸受、３…主軸頭ボデ
イ、４…ラビリンスシール固定片、５…ラビリン
スシール回転片、６…カバー、７…カラー、８…
軸受締付ナツト、９…エアーポート、１０…隙間
、１１…ドレンポート、２０…ドレン開閉装置、
２１…本体、２２…ポケツト、２３…ピストンロ
ツド、２４…ばね、２５…カバー、２５ａ…エア
ー孔、２６…Ｏリング、３０…管体である。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIGS. 2 to 4 are block diagrams showing a conventional technique. In the drawings, 1... Main shaft, 2... Bearing, 3... Spindle head body, 4... Labyrinth seal fixed piece, 5... Labyrinth seal rotating piece, 6... Cover, 7... Collar, 8...
Bearing tightening nut, 9...Air port, 10...Gap, 11...Drain port, 20...Drain opening/closing device,
21... Main body, 22... Pocket, 23... Piston rod, 24... Spring, 25... Cover, 25a... Air hole, 26... O-ring, 30... Tube body.
Claims (1)
シールと、固定部に設けられてラビリンスシール
を被うとともに隙間を介して回転軸周面に対して
いるカバーと、カバーと回転軸との間にエアーを
導くようにカバーに形成されたエアーポートと、
カバーと回転軸との間に浸入した切削液を排出す
るようにカバーに形成されたドレンポートとを有
するラビリンスシール構造において、 一方が前記ドレンポートに連通するとともに他
方が外部に開放しているポケツトを有し、エアー
ポートに圧縮空気を送給しているときには前記ポ
ケツトを閉塞しエアーポートへの圧縮空気の送給
をしていないときには前記ポケツトを開放するド
レン開閉装置を備えたことを特徴とするドレン開
閉式ラビリンスシール構造。[Claims for Utility Model Registration] A labyrinth seal provided between the rotating shaft and the fixed part, and a cover provided on the fixed part to cover the labyrinth seal and face the circumferential surface of the rotating shaft through a gap. , an air port formed in the cover to guide air between the cover and the rotating shaft;
In a labyrinth seal structure having a drain port formed in the cover to drain cutting fluid that has entered between the cover and the rotating shaft, a pocket in which one side communicates with the drain port and the other side is open to the outside. and a drain opening/closing device that closes the pocket when compressed air is being supplied to the air port and opens the pocket when compressed air is not being supplied to the air port. Drain opening/closing labyrinth seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7358489U JPH0314373U (en) | 1989-06-26 | 1989-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7358489U JPH0314373U (en) | 1989-06-26 | 1989-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314373U true JPH0314373U (en) | 1991-02-13 |
Family
ID=31612527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7358489U Pending JPH0314373U (en) | 1989-06-26 | 1989-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201583U (en) * | 1987-06-17 | 1988-12-26 |
-
1989
- 1989-06-26 JP JP7358489U patent/JPH0314373U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201583U (en) * | 1987-06-17 | 1988-12-26 |
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