JPS6278245U - - Google Patents

Info

Publication number
JPS6278245U
JPS6278245U JP16796885U JP16796885U JPS6278245U JP S6278245 U JPS6278245 U JP S6278245U JP 16796885 U JP16796885 U JP 16796885U JP 16796885 U JP16796885 U JP 16796885U JP S6278245 U JPS6278245 U JP S6278245U
Authority
JP
Japan
Prior art keywords
main shaft
bearing
rear bearing
sleeve
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
JP16796885U
Other languages
Japanese (ja)
Other versions
JPH0236679Y2 (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 JP16796885U priority Critical patent/JPH0236679Y2/ja
Publication of JPS6278245U publication Critical patent/JPS6278245U/ja
Application granted granted Critical
Publication of JPH0236679Y2 publication Critical patent/JPH0236679Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Mounting Of Bearings Or Others (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Turning (AREA)

Description

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

図面は本考案冷却構造を有する主軸の縦断面図
である。 ２……スリーブ、３……前軸受ハウジング、４
……前軸受、５……後軸受ハウジング、６……後
軸受、９……主軸、１２……冷却室となる環状空
間、２０……冷却フイン、２１……デイスタンス
カラー、２７……ヒートパイプ。 The drawing is a longitudinal sectional view of the main shaft having the cooling structure of the present invention. 2...Sleeve, 3...Front bearing housing, 4
... Front bearing, 5 ... Rear bearing housing, 6 ... Rear bearing, 9 ... Main shaft, 12 ... Annular space serving as a cooling chamber, 20 ... Cooling fin, 21 ... Distance collar, 27 ... Heat pipe.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 主軸の前軸受と後受軸にわたる軸方向の穴を外
周近くに複数個穿設し、該穴にヒートパイプをそ
れぞれ埋設し、前記前軸受、後受軸間には前記主
軸を該両軸受を介して軸承するスリーブと主軸と
の間に冷却室となる環状空間を受け、前記前軸受
、後軸受間のデイスタンスカラーの内周を主軸外
周に密着させるとともに外周に冷却フインを設け
、前記スリーブの前軸受及び後軸受の位置には冷
却油循環用環状溝をまた前記環状空間の位置には
該環状空間に通じる複数個の噴出口を有する冷却
流体供給用環状溝を設け、前記環状空間の底とな
る部分の前記スリーブには噴出された流体の排出
口を設けたことを特徴とする主軸々受の冷却構造
。 A plurality of holes are drilled near the outer periphery of the main shaft in the axial direction spanning the front and rear bearing shafts, heat pipes are embedded in each hole, and the main shaft is inserted between the front and rear bearing shafts. An annular space serving as a cooling chamber is provided between the sleeve and the main shaft which are supported by the shaft, and the inner periphery of the distance collar between the front bearing and the rear bearing is brought into close contact with the outer periphery of the main shaft, and cooling fins are provided on the outer periphery of the sleeve. An annular groove for circulating cooling oil is provided at the positions of the front bearing and the rear bearing, and an annular groove for supplying cooling fluid having a plurality of spouts communicating with the annular space is provided at the position of the annular space. A cooling structure for a main shaft bearing, characterized in that the bottom portion of the sleeve is provided with a discharge port for ejected fluid.
JP16796885U 1985-10-31 1985-10-31 Expired JPH0236679Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16796885U JPH0236679Y2 (en) 1985-10-31 1985-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16796885U JPH0236679Y2 (en) 1985-10-31 1985-10-31

Publications (2)

Publication Number Publication Date
JPS6278245U true JPS6278245U (en) 1987-05-19
JPH0236679Y2 JPH0236679Y2 (en) 1990-10-04

Family

ID=31100402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16796885U Expired JPH0236679Y2 (en) 1985-10-31 1985-10-31

Country Status (1)

Country Link
JP (1) JPH0236679Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6487130A (en) * 1987-09-29 1989-03-31 Makino Milling Machine Main spindle device having main spindle through which cooling liquid flows
JP2006180684A (en) * 2004-11-25 2006-07-06 Toshiba Corp Totally-enclosed motor for vehicle drive

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6584560B2 (en) 2018-03-20 2019-10-02 株式会社牧野フライス製作所 Machine tool spindle equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6487130A (en) * 1987-09-29 1989-03-31 Makino Milling Machine Main spindle device having main spindle through which cooling liquid flows
JP2006180684A (en) * 2004-11-25 2006-07-06 Toshiba Corp Totally-enclosed motor for vehicle drive

Also Published As

Publication number Publication date
JPH0236679Y2 (en) 1990-10-04

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