JPH0442306U - - Google Patents
Info
- Publication number
- JPH0442306U JPH0442306U JP8447390U JP8447390U JPH0442306U JP H0442306 U JPH0442306 U JP H0442306U JP 8447390 U JP8447390 U JP 8447390U JP 8447390 U JP8447390 U JP 8447390U JP H0442306 U JPH0442306 U JP H0442306U
- Authority
- JP
- Japan
- Prior art keywords
- backward
- chuck opening
- shaft
- closing
- chuck
- 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
- Gripping On Spindles (AREA)
Description
第１図はこの考案の一実施例の破断側面図、第
２図はその縮小側面図、第３図は同じくその背面
図、第４図は同じくその軸受装置の水平断面図、
第５図は従来例の断面図である。
１……主軸、２，３……軸受、４……主軸台、
５……プーリ、６……主軸チヤツク、７……チヤ
ツク開閉軸、８……軸受装置、９……軸受ハウジ
ング、１０……スラスト軸受、１３，１４……ガ
イドピン、１５……ガイド部材、１６……長孔、
１９……レバー、２０……長孔、２２……油圧シ
リンダ（進退駆動源）。
Fig. 1 is a cutaway side view of an embodiment of this invention, Fig. 2 is a reduced side view thereof, Fig. 3 is a rear view thereof, and Fig. 4 is a horizontal sectional view of the bearing device.
FIG. 5 is a sectional view of a conventional example. 1... Main spindle, 2, 3... Bearing, 4... Headstock,
5... Pulley, 6... Main shaft chuck, 7... Chuck opening/closing shaft, 8... Bearing device, 9... Bearing housing, 10... Thrust bearing, 13, 14... Guide pin, 15... Guide member, 16...long hole,
19... Lever, 20... Long hole, 22... Hydraulic cylinder (advance/retreat drive source).
Claims (1)
軸チヤツクを開閉するチヤツク開閉軸と、主軸台
に主軸の軸方向に進退自在に支持されて前記チヤ
ツク開閉軸の主軸後端から突出した部分に回転自
在でかつ進退伝達が可能に嵌合した軸受装置と、
この軸受装置を進退駆動する進退駆動源とを備え
た旋盤のチヤツク開閉装置。 A chuck opening/closing shaft that penetrates the main spindle so that it can move forward and backward and opens and closes the main shaft chuck by moving forward and backward, and a chuck opening/closing shaft that is supported by the headstock so as to be able to move forward and backward in the axial direction of the main shaft and rotates at the part of the chuck opening/closing shaft that protrudes from the rear end of the main shaft. A bearing device that is fitted so that it can freely move forward and backward, and
A chuck opening/closing device for a lathe, which is equipped with a forward/backward drive source that drives the bearing device forward/backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8447390U JPH0442306U (en) | 1990-08-08 | 1990-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8447390U JPH0442306U (en) | 1990-08-08 | 1990-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442306U true JPH0442306U (en) | 1992-04-10 |
Family
ID=31632987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8447390U Pending JPH0442306U (en) | 1990-08-08 | 1990-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442306U (en) |
-
1990
- 1990-08-08 JP JP8447390U patent/JPH0442306U/ja active Pending
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