JP5774360B2 - 工作機械のテーブルユニット - Google Patents
工作機械のテーブルユニット Download PDFInfo
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- JP5774360B2 JP5774360B2 JP2011097421A JP2011097421A JP5774360B2 JP 5774360 B2 JP5774360 B2 JP 5774360B2 JP 2011097421 A JP2011097421 A JP 2011097421A JP 2011097421 A JP2011097421 A JP 2011097421A JP 5774360 B2 JP5774360 B2 JP 5774360B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
- B23Q1/522—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair which is perpendicular to the working surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4852—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair
- B23Q1/4857—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair followed perpendicularly by a single rotating pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
- B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
- B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
- B23Q1/5425—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair followed perpendicularly by a single sliding pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
- B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/561—Having tool-opposing, work-engaging surface
- Y10T408/5614—Angularly adjustable surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304536—Milling including means to infeed work to cutter
- Y10T409/305544—Milling including means to infeed work to cutter with work holder
- Y10T409/305656—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304536—Milling including means to infeed work to cutter
- Y10T409/305544—Milling including means to infeed work to cutter with work holder
- Y10T409/305656—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
- Y10T409/305824—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with angular movement of work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/306664—Milling including means to infeed rotary cutter toward work
- Y10T409/307448—Milling including means to infeed rotary cutter toward work with work holder
- Y10T409/307504—Indexable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Description
そして、このようなテーブルユニットの駆動装置としては、特許文献2に開示のように、チルトテーブルの旋回駆動は基台に内設したモータ及びギヤを用いて行うと共に、回転テーブルの回転駆動は、チルトテーブル内で回転テーブルに同軸で設けたギヤ部に、一対の歯車を噛み合わせて、両歯車をベルト及びプーリ等を介してモータで同調回転させて行う構造が知られている。
図1は、工作機械の一例である5軸制御の立形マシニングセンタの斜視図で、立形マシニングセンタ1において、2はベッド、3は門形構造のクロスレールで、ベッド2の上面には、Y軸案内レール4,4が設けられる一方、クロスレール3の前面には、X軸案内レール5,5が設けられている。Y軸案内レール4,4上には、テーブルユニットとしてのトラニオン構造のAC軸ユニット6がY軸方向へ移動可能に設置されて、X軸案内レール5,5には、ラムサドル7がX軸方向へ移動可能に設置されている。ラムサドル7の前面には、下端に主軸9を備えた主軸頭8が、Z軸方向へ移動可能に設置されている。
さらに、ギヤ部18の左右両側には、上側の出力軸にギヤ20を、下側の入力軸にプーリ21を備えた一対の減速機19,19が、C軸を中心とする左右対称に配置されて、ギヤ20,20をギヤ部18に噛合させている。減速機19は、周知の遊星歯車減速機構を内設している。
このモータ22は、モータ軸の軸線PをC軸−A軸で形成される平面上に位置させて、C軸と平行に配置されている。
なお、このモータ22やトラニオン11を旋回割出するモータの駆動、AC軸ユニット6やラムサドル7、主軸頭8の移動等は、図示しないNC装置によって制御される。
このとき、トラニオン11内では、回転テーブル12を回転させるモータ22,22が、軸線PがC軸−A軸平面上に位置するように配置されているので、A軸周りの旋回半径が小さくなる。よって、トラニオン11を旋回割出する際の慣性モーメントが小さくなる。
特にここでは、トラニオン11を、基台10上で両持ちで支持させて、モータ22を、C軸を中心とした点対称位置に一対配置しているので、比較的小さなモータ22でも大きな駆動トルクを得ることができると共に、ギヤ20のバックラッシュも相殺することができ、コンパクトで精度の高いAC軸ユニット6が得られる。
Claims (1)
- 基台上で両持ちで支持され、水平軸周りで旋回割出可能なチルトテーブルと、そのチルトテーブル上で前記水平軸と直交する垂直軸周りで回転割出可能に設けられた回転テーブルと、を含む工作機械のテーブルユニットであって、
前記チルトテーブル内に設けられて前記回転テーブルを回転駆動させる一対のモータを、前記垂直軸を中心とした点対称位置に、且つモータ軸の軸線を前記水平軸と垂直軸とで形成される平面上に位置させて配置すると共に、前記回転テーブルと一対の前記モータとの間で前記垂直軸を中心とした点対称位置に一対の減速機を介在させて、各前記モータを各前記減速機よりも前記垂直軸から離れた位置に配置したことを特徴とする工作機械のテーブルユニット。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011097421A JP5774360B2 (ja) | 2011-04-25 | 2011-04-25 | 工作機械のテーブルユニット |
US13/446,303 US8899889B2 (en) | 2011-04-25 | 2012-04-13 | Table unit for machine tool |
IT000622A ITMI20120622A1 (it) | 2011-04-25 | 2012-04-17 | Unita¿ di tavola per macchina utensile |
CN201210122850.XA CN102756282B (zh) | 2011-04-25 | 2012-04-24 | 机床的工作台单元 |
DE102012206789A DE102012206789A1 (de) | 2011-04-25 | 2012-04-25 | Tischeinheit für eine Werkzeugmaschine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011097421A JP5774360B2 (ja) | 2011-04-25 | 2011-04-25 | 工作機械のテーブルユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012228740A JP2012228740A (ja) | 2012-11-22 |
JP5774360B2 true JP5774360B2 (ja) | 2015-09-09 |
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JP2011097421A Active JP5774360B2 (ja) | 2011-04-25 | 2011-04-25 | 工作機械のテーブルユニット |
Country Status (5)
Country | Link |
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US (1) | US8899889B2 (ja) |
JP (1) | JP5774360B2 (ja) |
CN (1) | CN102756282B (ja) |
DE (1) | DE102012206789A1 (ja) |
IT (1) | ITMI20120622A1 (ja) |
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JP4590244B2 (ja) | 2004-10-15 | 2010-12-01 | 株式会社三共製作所 | 回転テーブル装置 |
JP4970848B2 (ja) | 2006-05-30 | 2012-07-11 | オークマ株式会社 | 工作機械におけるスペース確保方法 |
EP2075085A4 (en) * | 2006-08-23 | 2011-04-27 | Tsudakoma Ind Co Ltd | MACHINE HEAD FOR TOOL MACHINE |
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JP2009148840A (ja) * | 2007-12-19 | 2009-07-09 | Tsudakoma Corp | 工作機械用の回転割出テーブル装置 |
DE102008021416A1 (de) * | 2008-04-29 | 2009-11-12 | Maschinenfabrik Berthold Hermle Ag | Bearbeitungszentrum mit dreh- und schwenkbarem Werkstücktisch mit einer Klemmeinrichtung für die Schwenkachse |
JP5356910B2 (ja) * | 2009-05-15 | 2013-12-04 | 高丸工業株式会社 | 2軸ポジショナー |
-
2011
- 2011-04-25 JP JP2011097421A patent/JP5774360B2/ja active Active
-
2012
- 2012-04-13 US US13/446,303 patent/US8899889B2/en not_active Expired - Fee Related
- 2012-04-17 IT IT000622A patent/ITMI20120622A1/it unknown
- 2012-04-24 CN CN201210122850.XA patent/CN102756282B/zh not_active Expired - Fee Related
- 2012-04-25 DE DE102012206789A patent/DE102012206789A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
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CN102756282B (zh) | 2016-07-06 |
JP2012228740A (ja) | 2012-11-22 |
DE102012206789A1 (de) | 2012-10-25 |
US8899889B2 (en) | 2014-12-02 |
CN102756282A (zh) | 2012-10-31 |
US20120266783A1 (en) | 2012-10-25 |
ITMI20120622A1 (it) | 2012-10-26 |
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