CN109304625A - 机床 - Google Patents

机床 Download PDF

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Publication number
CN109304625A
CN109304625A CN201810843181.2A CN201810843181A CN109304625A CN 109304625 A CN109304625 A CN 109304625A CN 201810843181 A CN201810843181 A CN 201810843181A CN 109304625 A CN109304625 A CN 109304625A
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China
Prior art keywords
linear guide
rotating arm
rotation axis
parallel
holder fixing
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CN201810843181.2A
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Inventor
E.豪尔特
C.乌费尔
A.施艾德格
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Lee Chitty Engineering Co
Liechti Engineering AG
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Lee Chitty Engineering Co
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Publication of CN109304625A publication Critical patent/CN109304625A/zh
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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
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars
    • 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
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/16—Working surfaces curved in two directions
    • 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
    • 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
    • B23Q1/5443—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 and in which the degree of freedom, which belongs to the working surface, is parallel to this 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/08—Protective coverings for parts of machine tools; Splash guards
    • B23Q11/0825—Relatively slidable coverings, e.g. telescopic
    • 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
    • B23Q2210/00—Machine tools incorporating a specific component
    • B23Q2210/004—Torque motors
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
    • B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
    • B23Q3/15724—Chains or belts
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
    • B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
    • B23Q3/15753—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
    • B23Q3/15766—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged perpendicularly to the rotating or circulating plane of the storage means
    • 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
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
    • 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
    • Y10T409/30392—Milling with means to protect operative or machine [e.g., guard, safety device, etc.]
    • 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
    • Y10T409/305768—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with linear 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
    • Y10T409/304536—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
    • Y10T409/30784—Milling including means to adustably position cutter
    • Y10T409/307896—Milling including means to adustably position cutter with work holder or guide
    • 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
    • Y10T409/30784—Milling including means to adustably position cutter
    • Y10T409/307952—Linear adjustment
    • 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
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/1748—Tool changer between spindle and matrix
    • Y10T483/1752—Tool changer between spindle and matrix including tool holder pivotable about axis
    • Y10T483/1755—Plural tool holders pivotable about common axis
    • 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
    • Y10T483/00—Tool changing
    • Y10T483/18—Tool transfer to or from matrix
    • Y10T483/1873—Indexing matrix
    • Y10T483/1891—Chain or belt

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Turning (AREA)

Abstract

机床具有机床床身（10），所述机床床身具有第一水平线性引导件（1）和与第一线性引导件（1）成直角布置的第二水平线性引导件（2）。在第一线性引导件（1）上以能轴向移位的方式布置工件夹具固定件（3），其能围绕平行于第二线性引导件（2）定向的旋转轴线（4）旋转，并且能围绕与旋转轴线（4）成直角定向的转动轴线（5）转动。旋转臂（6）能在第二线性引导件（2）上轴向移位，其旋转轴线（7）平行于第一线性引导件（1）布置，并且其自由端部上承载有刀具主轴（8），所述刀具主轴的轴线（9）平行于第一线性引导件（1）定向。旋转臂（6）能通过设置在所述旋转臂的旋转轴线（7）上的扭矩马达旋转。

Description

机床
技术领域
本发明涉及一种根据权利要求1的前述部分所述的机床。
背景技术
文件EP1002621A1显示类似构造的机床。旋转臂的旋转运动在该机器中通过主轴驱动器和杠杆机构产生。
发明内容
从该现有技术出发，本发明的目的是提出一种机床，其构造更简单并且允许比已知机器更快速的旋转臂的旋转运动。
该目的根据本发明通过权利要求1的特征部分中限定的特征来实现。
凭借根据本发明的设计，机床需要更少的移动部件用于旋转臂的旋转运动并且允许比已知机器更快速的旋转运动。
在从属权利要求中描述了本发明的特定实施例。
本发明的另一方面涉及一种根据权利要求6所述的用于机床的旋转臂，并且实现旋转臂的阻尼振动的减弱目的，所述振动由例如设置在其端部上的刀具主轴导致。
附图说明
本发明的说明性实施例参考附图在以下说明，其中：
图1显示根据本发明的机床的透视图;
图2显示与图1类似的视图，其具有X-Y保护壁和刀具保持链式刀库（magezine）；
图3显示旋转臂的安装和驱动机构的剖视图。
附图标记列表
X X轴线
Y Y轴线
Z Z轴线
A A轴线
B B轴线
1 第一线性引导件
2 第二线性引导件
3 工件夹具固定件
4 旋转轴线，刀具夹具固定件
5 转动轴线
6 旋转臂
7 旋转轴线，旋转臂
8 刀具主轴
9 刀具主轴的轴线
10 机床床身
11 X-Y保护盖
12 Z保护盖
13 驱动板
14 枢轴轴承
15 刀具保持链式刀库
16 水平肢部
17 竖直肢部
18 刀具更换器
19 扭矩马达定子
20 定子部件
21 扭矩马达转子
22 滑动轴承。
具体实施方式
图1在透视图中显示根据本发明的机床的说明性实施例。这具体地适用于用于涡轮机的叶轮（所谓的“叶片盘（bladed discs）”，也称为“叶盘（bliscs）”）的机器加工。在机床床身10上布置有第一水平线性引导件1，以及与其成直角的第二水平线性引导件2。在第一线性引导件1上布置有工件夹具固定件3，使得其水平地可移动并且可围绕水平旋转轴线4旋转。为了工件夹具固定件3在第一线性引导件1上的水平运动，提供有例如滚珠丝杠。可选地，水平运动可通过线性马达执行。此外，工件夹具固定件3可围绕与其旋转轴线4成直角定向的转动轴线5转动。用于叶轮的盘形坯料平放地被供应在例如托盘上。工件夹具固定件3的布置和设计允许这些坯料被夹紧而不会倾斜，其在坯料大并且重的情况下是特别有利的。
在第二线性引导件2上，旋转臂6布置成使得其水平地可移动并且可围绕水平旋转轴线7旋转，在所述旋转臂的自由端部上布置有刀具主轴8。在第二线性引导件2上的旋转臂6的水平运动优选地由线性马达执行。刀具主轴的轴线9平行于旋转轴线7定向。因此，根据本发明的机床是具有平移轴线X、Y和Z以及转动轴线A和B的五轴线机器。特殊性在于：为了刀具沿Y轴线的纯移位，结合的刀具主轴8的圆周运动和旋转轴线7沿线性引导件2的线性运动是必要的。这种构造的一个特别的优点在于，在第二线性引导件2上可移动的整个单元的重心位于第二线性引导件2的竖直上方仅一点，并且当刀具主轴8传输进入其最上部位置时仅向上移动一点。这区别于不同构造的机床，例如根据EP1509360的机床，其中刀具主轴同样设置在旋转臂上，然而，其中旋转臂与其旋转驱动器沿竖直线性引导件一起升高，从而将刀具主轴带入上部位置。高重心促进不期望的振动的出现。通过设置在旋转轴线7上的扭矩马达对旋转臂6的直接驱动允许刀具主轴8的快速且精确的运动。
图2显示与图1相同的机器，但具有附加的子组件，其中两个在以下更详细地描述。两个X-Y保护盖11和12将工作空间与机床的其它区域（特别是线性引导件1和2）隔开，从而将碎片以及冷却剂和润滑剂保持在工作空间中。这些X-Y保护盖可为已知的构造，具有驱动板13和与其可操作地连接的板翅片，例如EP19861324A1中所述。在根据本发明的具有旋转臂6的机器中，现存在的问题是，穿过驱动板13的刀具主轴8的部分通过旋转臂6的旋转不可避免地在驱动板13中执行旋转运动。因此，刀具主轴8不能直接连接至驱动板8，而是通过枢轴轴承14的插入。
在图2中可见的另一子组件是刀具保持链式刀库15，其为角形或弓形配置并且配置成使肢部16终止于在工作区域顶部中的至少大约水平定向的端部，并且肢部17终止于在背向工作区域的、第一线性引导件后面的区域中的至少大约竖直定向的端部。在肢部16的端部区域中布置有刀具更换器18，其被刀具主轴8沿短路径可到达。肢部17的端部区域配置成用于装载和清空刀具保持链式存储库15并且操作者容易地可到达。
图3在剖视图中显示旋转臂6的安装细节。后者在本示例中通过外转子扭矩马达驱动。表示为19的扭矩马达定子具有以旋转上固定的方式连接至其的定子部件20。扭矩马达转子21通过油润滑的滑动轴承22附加地支撑在定子部件20上。滑动轴承22凭借其油膜具有振动阻尼效果（挤压膜阻尼）。

Claims (7)

1.包含机床床身（10）的机床，所述机床床身具有第一水平线性引导件（1）和与第一线性引导件（1）成直角布置的第二水平线性引导件（2），其中，在第一线性引导件（1）上以能轴向移位的方式布置工件夹具固定件（3），所述工件夹具固定件能围绕平行于第二线性引导件（2）定向的旋转轴线（4）旋转，并且能围绕与旋转轴线（4）成直角定向的转动轴线（5）转动；其中，旋转臂（6）能在第二线性引导件（2）上轴向移位，所述旋转臂的旋转轴线（7）平行于第一线性引导件（1）布置，并且在所述旋转臂的自由端部上承载刀具主轴（8），所述刀具主轴的轴线（9）平行于第一线性引导件（1）定向；其特征在于，旋转臂（6）能通过设置在所述旋转臂的旋转轴线（7）上的扭矩马达旋转。
2.如权利要求1所述的机床，其特征在于，为了工件夹具固定件（3）在第一线性引导件（1）上的轴向移位和/或旋转臂（6）的在第二线性引导件（2）上的轴向移位，存在有线性马达。
3.如前述权利要求任一项所述的机床，其特征在于，为了所述工件夹具固定件（3）的旋转运动和转动运动，分别存在有扭矩马达。
4.如前述权利要求任一项所述的机床，其特征在于，与第二线性引导件（2）平行地、在面向工件夹具固定件（3）的一侧上布置有X-Y保护盖（11），具有驱动板（13），其中容纳有围绕刀具主轴（8）的刀具侧端部的枢轴轴承（14）。
5.如前述权利要求任一项所述的机床，其特征在于，与第二线性引导件（2）平行地、在面向工件夹具固定件（3）的一侧上布置有角形或弓形的刀具保持链式刀库（15），具有大约水平布置的肢部（16）和大约竖直布置的肢部（17），并且在大约水平肢部（16）的自由端部处布置有刀具更换器（18）。
6.一种用于机床的旋转臂（6），能围绕旋转轴线（7）旋转并且在所述旋转臂的自由端部上承载刀具主轴（8），其特征在于，旋转臂（6）通过扭矩马达（19、20、21）直接驱动，并且在定子（20）和转子（21）之间作用的滑动轴承（22）布置有油阻尼。
7.如权利要求6所述的旋转臂（6），其特征在于，扭矩马达（19、20、21）具有外转子（21）和内定子（19、20）。
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