CN101460272A - 切削工具 - Google Patents
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- CN101460272A CN101460272A CNA2007800079789A CN200780007978A CN101460272A CN 101460272 A CN101460272 A CN 101460272A CN A2007800079789 A CNA2007800079789 A CN A2007800079789A CN 200780007978 A CN200780007978 A CN 200780007978A CN 101460272 A CN101460272 A CN 101460272A
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- 239000002184 metal Substances 0.000 claims description 7
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- 238000001816 cooling Methods 0.000 abstract 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
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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
- 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
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
- B23Q11/1053—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using the cutting liquid at specially selected temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
- F25B9/04—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/12—Cooling and lubrication
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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
- Y10T407/00—Cutters, for shaping
- Y10T407/14—Cutters, for shaping with means to apply fluid to cutting tool
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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
- Y10T409/303976—Milling with means to control temperature or lubricate
- Y10T409/304032—Cutter or work
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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
- Y10T409/304088—Milling with means to remove chip
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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
- Y10T82/00—Turning
- Y10T82/16—Severing or cut-off
- Y10T82/16065—Combined with means to apply fluid
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
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- Auxiliary Devices For Machine Tools (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Drilling And Boring (AREA)
Abstract
本发明涉及一种通过去除切屑进行加工的切削工具,该切削工具带有供给用于冷却当前切削加工区域的低温气流的供给装置。根据本发明,低温气流是在内部供给的并且是由安装在工具主体(1)中的低温发生器(2)产生的,低温发生器(2)通过涡流管(3)将常温压缩气体转变成低温气流和高温气流。
Description
技术领域
本发明涉及通过去除切屑进行加工的切削工具,该切削工具带有供给用于冷却当前切削加工区域的低温气流的供给装置。
背景技术
特别在切削加工金属材料的情况下,在当前切削加工区域中产生大量的热,导致了切削加工工具过早磨损或失效。为将该生热保持在一定限度内,并同时改善从切削加工区域排出切屑的状况,通常通过供给冷却剂来冷却切削工具的当前切削加工区域。其中冷却剂可以是气体或液体,并且通过切削工具的内部供给装置或者外部供给装置引导到当前切削加工区域。
例如,在WO 02/068142中描述了带有用于供给液体冷却剂的内部供给装置的切削工具。
在DE 196 40 599 A1中描述了具有内部冷却剂供给装置的切削工具,其中利用低温空气冷却当前切削加工区域。该切削工具的一个缺点是,低温空气不能在工具内部产生,而是必须在工具外部产生,因此,必须为此配备外部设备。
在根据焦耳-汤姆孙效应通过供给压缩气体(优选压缩空气)来工作的低温发生器中产生低温气体,这种技术在很久以前就是已知的了。这种低温发生器的原理基于涡流管的操作。其中,处于常温和几巴压力的压缩空气经由涡流室中的气体涡旋器供给到涡流管,并分成低温气流和高温气流。经由气体涡旋器供给到涡流管中的压缩空气朝着位于涡流管一端的高温气体喷嘴的方向沿着涡流管的内壁移动并且高速循环。一部分空气作为高温空气流从高温气体喷嘴排出。没有排出的空气被迫以低得多的速度沿着相反方向穿过在涡流管边缘高速通过的压缩空气流的中心朝向涡流管的另一端流回。该内部的、速度较低的空气流向外部的、速度较高的空气流释放热量,并且在到达低温气体喷嘴出口时,冷却到-40℃的温度。
例如,这种低温发生器记载在US 3 173 273或US 3 208 229中,并且在多种场合下用作从外部向切削工具的当前切削加工区域供给低温空气的外部装置。
在这种情况下的一个缺点是,必须将这种外部装置单独与每个切削加工工具对准,并且按照如下方式固定在适当的位置,即:即使在切削加工工具执行进给运动的情况下,也要保证可靠地将冷却空气流供给到当前的切削加工区域。但是,只有通过大量的资金投入才能实现这一点。
发明内容
因此,本发明的目的是提供一种通过低温气流冷却当前切削加工区域的切削工具,其中,不需要用于准确对准气流的设备投入。
根据本发明,通过以下措施实现该目的,即:切削工具具有集成在工具主体内的低温发生器,并且具有供给低温气流的内部通道系统,所述低温发生器包括细长的涡流管,该涡流管用于将通过气体涡旋器供给的常温压缩气体转换成从位于涡流管一端的低温气体出口排出的低温气流和从位于涡流管另一端的高温气体出口排出的高温气流。
已经发现,令人意想不到的是,将到目前为止仅用于在外部进行操作的低温发生器转移到切削工具的工具主体内部不会对切削工具的操作产生不利影响。从低温发生器通过切削工具内的连续通道将低温气流传送到当前切削加工区域,而不需要总是反复地设置和对准冷却剂供给装置。通过根据本发明的切削工具,不仅可以有效地冷却当前切削加工区域本身,而且还可以冷却低温气体所通过的整个工具主体。在切削加工期间产生的热量由此被极快地从切削刀头排掉,从而进一步延长了切削刀头的工作寿命,并且减小了切削刃的切屑积聚。
通过如下方式来将低温发生器特别简单地安装在切削工具中,即:整个低温发生器被安装在工具主体中的相应的接收孔中,用于传送低温气体、供给压缩气体和运走高温气体的孔通向该接收孔。
特别有利的是,通过工具主体内的与低温发生器平行的孔供给压缩气体。在这种条件下,可以容易地从切削工具端部进行气体供给。
特别有利的是,使用利用空气操作的低温发生器。从而在通常情况下可以使用在各种生产制造中存在的压缩空气供给装置。
附图说明
下面参考附图更详细地描述本发明,在附图中:
图1示出了根据本发明的切削工具的部分剖视图;
图2示出了根据图1的切削工具的细节的放大图;
图3示出了根据图1的切削工具的另一个细节的放大图;
图4a、4b示出了根据图1的切削工具的低温气体出口的各种视图;
图5示出了根据图1的切削工具的高温气体出口。
具体实施方式
图1示出了具有工具主体1的切削工具,该切削工具容纳在工具座20内。低温发生器2安装在形成于工具主体1中的孔7内。低温发生器2由细长涡流管3构成,涡流管3具有位于一端的低温气体出口5和位于另一端的高温气体出口6。在图2、4a和4b中更详细地示出了低温气体出口5。低温气体出口5整体上是一个空心圆柱形部件,其具有相对于彼此偏移的外径不同的两个部分。外径较大的部分与涡流管3直接邻接,并且利用与涡流管3的内径大致对应的孔形成涡流室14。低温气体出口5的与涡流管3邻接的端部被环形面封闭,该环形面带有槽18,槽18与涡流室14切向邻接并且构成气体涡旋器4。低温气体出口5的外径较小的部分具有与涡流室14邻接的孔21,孔21朝向外侧呈锥形扩大。外径较大的部分的直径稍稍小于工具主体1中的接收孔7的直径,从而形成环形室9。用于供给压缩气体(优选为压缩空气形式的压缩气体)的孔8通向该环形室9。初始与涡流管3平行地延伸的孔8转向成垂直于环形室9延伸的部分。出于制造上的技术原因,该部分延伸穿过整个工具主体1,并且用无头螺钉16与工具外侧封闭,以防止压缩空气从该部分向外泄露。低温气体出口5的锥形扩大的孔21通向工具主体的孔17,孔17将低温空气引导到切削刀头22的附近。涡流管3和低温气体出口5通过密封环10相对于接收孔7密封。位于涡流管3的另一端的高温气体出口6由具有外螺纹的圆柱形主体和用于运走高温空气的内孔13构成,内孔13横向转向并在后方由无头螺钉15封闭。高温气体出口6拧入接收孔7中,直到靠在涡流管3的端部上为止,接收孔7在相应的位置具有内螺纹。同样设置了密封环10以进行密封。高温气体出口6具有设置在中心位置的压缩锥体11,该压缩锥体11以很小的边缘间隙接合在涡流管3的孔内。在压缩锥体11的出口处具有开口12,高温空气通过开口12进入孔13内,以便被继续向外排出。
低温发生器2按照如下方式工作:处于大约5巴的压力和室温的压缩空气首先通过工具座20中的合适的供给装置,然后通过切削工具的孔8供给到低温发生器2的环形室9。从而在环形室9中形成更高的压力,这种更高的压力随后迫使空气通过气体涡旋器4的槽18进入涡流管3。切向布置的槽18使空气流产生循环运动,并沿着涡流管3的内壁向位于涡流管3端部的高温气体出口6高速移动。由于出口面积受到高温气体出口6的压缩锥体11的限制,所以只有一部分高温气体可以通过开口12排出。没有排出的气体被迫在高速空气流的中心以低得多的速度向低温气体出口5的方向流回,从而连续向外部的高速空气流释放热量。当内部空气流通过低温气体出口5排出时,其具有大约-40℃的非常低的温度。
Claims (4)
1.一种通过去除切屑进行加工的切削工具,该切削工具带有供给用于冷却当前切削加工区域的低温气流的供给装置,其特征在于,
所述切削工具具有安装在工具主体中的低温发生器(2)和供给低温气流的内部通道系统,所述低温发生器(2)包括细长的涡流管(3),该涡流管(3)用于将通过气体涡旋器(4)供给的常温压缩气体转变成从位于涡流管(3)一端的低温气体出口(5)排出的低温气流和从位于涡流管(3)另一端的高温气体出口(6)排出的高温气流。
2.根据权利要求1所述的通过去除切屑进行加工的切削工具,其特征在于,
低温发生器(2)以密封的方式安装在工具主体(1)中的孔(7)中。
3.根据权利要求1或2所述的通过去除切屑进行加工的切削工具,其特征在于,
工具主体(1)具有与低温发生器(2)平行的用于供给压缩气体的孔(8)。
4.根据权利要求1至3中任一项所述的通过去除切屑进行加工的切削工具,其特征在于,
低温发生器(2)是利用空气操作的。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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ATGM173/2006 | 2006-03-07 | ||
AT0017306U AT9196U1 (de) | 2006-03-07 | 2006-03-07 | Schneidwerkzeug |
PCT/AT2007/000109 WO2007101283A1 (de) | 2006-03-07 | 2007-03-05 | Schneidwerkzeug |
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CN101460272A true CN101460272A (zh) | 2009-06-17 |
CN101460272B CN101460272B (zh) | 2012-02-08 |
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CN2007800079789A Expired - Fee Related CN101460272B (zh) | 2006-03-07 | 2007-03-05 | 切削工具 |
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US (1) | US7823487B2 (zh) |
EP (1) | EP1998916B1 (zh) |
JP (1) | JP2009528923A (zh) |
CN (1) | CN101460272B (zh) |
AT (1) | AT9196U1 (zh) |
DE (1) | DE502007001080D1 (zh) |
ES (1) | ES2327464T3 (zh) |
PL (1) | PL1998916T3 (zh) |
WO (1) | WO2007101283A1 (zh) |
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CN108463302A (zh) * | 2016-01-18 | 2018-08-28 | 山特维克知识产权股份有限公司 | 包括流体通路的金属切削刀具架 |
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ITBO20080143A1 (it) * | 2008-03-04 | 2009-09-05 | Pada Eng Srl | Dissipatore di calore, in particolare per componenti elettronici |
ITBO20080190A1 (it) * | 2008-03-26 | 2009-09-27 | Pada Eng Srl | Aggregato per macchine utensili |
US8161851B1 (en) * | 2008-03-31 | 2012-04-24 | Ceradyne, Inc. | Composite trimming process |
FR2934513B1 (fr) * | 2008-07-30 | 2012-01-20 | Eads Europ Aeronautic Defence | Porte outils comportant des moyens de refroidissement |
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RU204216U1 (ru) * | 2020-02-28 | 2021-05-14 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Металлообрабатывающий инструмент с охлаждением |
CN112809032A (zh) * | 2021-03-01 | 2021-05-18 | 周嘉诚 | 一种新材料车削车床刀头冷却装置 |
RU209971U1 (ru) * | 2021-09-13 | 2022-03-24 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Металлообрабатывающий инструмент с внутренним охлаждением |
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- 2007-03-05 ES ES07710500T patent/ES2327464T3/es active Active
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- 2007-03-05 CN CN2007800079789A patent/CN101460272B/zh not_active Expired - Fee Related
- 2007-03-05 PL PL07710500T patent/PL1998916T3/pl unknown
- 2007-03-05 JP JP2008557546A patent/JP2009528923A/ja active Pending
- 2007-03-05 EP EP07710500A patent/EP1998916B1/de not_active Not-in-force
- 2007-03-05 WO PCT/AT2007/000109 patent/WO2007101283A1/de active Application Filing
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CN105209196A (zh) * | 2013-04-09 | 2015-12-30 | 山高刀具公司 | 带有具有流体流动通道的夹具的刀夹,以及包括这种刀夹的刀具 |
US10207329B2 (en) | 2013-04-09 | 2019-02-19 | Seco Tools Ab | Toolholder with clamp having fluid flow passages, and tool including such a toolholder |
CN105209196B (zh) * | 2013-04-09 | 2019-03-15 | 山高刀具公司 | 带有具有流体流动通道的夹具的刀夹,以及包括这种刀夹的刀具 |
CN108463302A (zh) * | 2016-01-18 | 2018-08-28 | 山特维克知识产权股份有限公司 | 包括流体通路的金属切削刀具架 |
CN110449611A (zh) * | 2019-07-03 | 2019-11-15 | 阮斌 | 一种基于冷气局部降温的金属材料深加工的冲床 |
CN113695840A (zh) * | 2021-04-12 | 2021-11-26 | 深圳市誉和钻石工具有限公司 | 一种球冠刀及其加工工艺 |
Also Published As
Publication number | Publication date |
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PL1998916T3 (pl) | 2009-12-31 |
EP1998916A1 (de) | 2008-12-10 |
US20090003951A1 (en) | 2009-01-01 |
ES2327464T3 (es) | 2009-10-29 |
CN101460272B (zh) | 2012-02-08 |
DE502007001080D1 (de) | 2009-08-27 |
US7823487B2 (en) | 2010-11-02 |
WO2007101283A1 (de) | 2007-09-13 |
AT9196U1 (de) | 2007-06-15 |
JP2009528923A (ja) | 2009-08-13 |
EP1998916B1 (de) | 2009-07-15 |
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