JPH03100051U - - Google Patents

Info

Publication number
JPH03100051U
JPH03100051U JP862690U JP862690U JPH03100051U JP H03100051 U JPH03100051 U JP H03100051U JP 862690 U JP862690 U JP 862690U JP 862690 U JP862690 U JP 862690U JP H03100051 U JPH03100051 U JP H03100051U
Authority
JP
Japan
Prior art keywords
flow path
main shaft
drawbar
bearing
outer periphery
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
Application number
JP862690U
Other languages
Japanese (ja)
Other versions
JPH0746450Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP862690U priority Critical patent/JPH0746450Y2/en
Publication of JPH03100051U publication Critical patent/JPH03100051U/ja
Application granted granted Critical
Publication of JPH0746450Y2 publication Critical patent/JPH0746450Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Auxiliary Devices For Machine Tools (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の主軸構造を示す断面図である
。 １……主軸頭、２……軸受ハウジング、５……
外筒、６……主軸、６ａ……螺旋溝、８……ドロ
ーバ、９……皿ばね収容筒、９ａ……隙間、１１
……カラー、１１ａ……隙間。 FIG. 1 is a sectional view showing the main shaft structure of the present invention. 1... Spindle head, 2... Bearing housing, 5...
Outer cylinder, 6... Main shaft, 6a... Spiral groove, 8... Drawbar, 9... Belleville spring housing cylinder, 9a... Gap, 11
...Color, 11a...Gap.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 主軸の軸承部位に外筒を嵌合させ、該外筒を軸
受によつて回転可能に軸承し、前記主軸または外
筒の少なくとも一方の嵌合面に溝状の流路を形成
し、主軸中心穴に挿通されたドローバの工具引上
げ用の弾性部材収容筒の外周と中心穴との間に流
路となる隙間を形成して嵌装し、前記ドローバの
外周に通じる流路から前記収容筒外周の隙間、前
記溝状流路、還流路に連なる流路を形成してなり
、主軸中心側より冷却液を通して軸受内輪側を冷
却するようにしたことを特徴とする主軸軸受の冷
却構造。 An outer cylinder is fitted into a bearing part of the main shaft, the outer cylinder is rotatably supported by a bearing, a groove-like flow path is formed on the fitting surface of at least one of the main shaft or the outer cylinder, and the main shaft is centered A gap serving as a flow path is formed between the outer periphery of an elastic member storage cylinder for pulling up tools of the drawbar inserted into the hole and the center hole, and the drawbar is fitted into the drawbar so that a flow path leading to the outer periphery of the drawbar extends from the outer periphery of the storage cylinder. A cooling structure for a main shaft bearing, characterized in that a flow path is formed that is continuous with the gap, the groove-like flow path, and the return flow path, and the cooling liquid is passed from the center side of the main shaft to cool the inner ring side of the bearing.
JP862690U 1990-01-31 1990-01-31 Spindle bearing cooling structure Expired - Fee Related JPH0746450Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP862690U JPH0746450Y2 (en) 1990-01-31 1990-01-31 Spindle bearing cooling structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP862690U JPH0746450Y2 (en) 1990-01-31 1990-01-31 Spindle bearing cooling structure

Publications (2)

Publication Number Publication Date
JPH03100051U true JPH03100051U (en) 1991-10-18
JPH0746450Y2 JPH0746450Y2 (en) 1995-10-25

Family

ID=31512250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP862690U Expired - Fee Related JPH0746450Y2 (en) 1990-01-31 1990-01-31 Spindle bearing cooling structure

Country Status (1)

Country Link
JP (1) JPH0746450Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235403A (en) * 2010-05-11 2011-11-24 Nagase Integrex Co Ltd Spindle device for machine tool
CN102596493A (en) * 2010-01-29 2012-07-18 三菱重工业株式会社 Main shaft device for boring machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102596493A (en) * 2010-01-29 2012-07-18 三菱重工业株式会社 Main shaft device for boring machine
JP2011235403A (en) * 2010-05-11 2011-11-24 Nagase Integrex Co Ltd Spindle device for machine tool

Also Published As

Publication number Publication date
JPH0746450Y2 (en) 1995-10-25

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees