CN102378659B - 切削工具及其所用的切削刀片 - Google Patents
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Abstract
一种切削工具,具有可释放地固定在刀片槽内的切削刀片。刀片槽包括支撑部分和夹持部分,支撑部分具有支撑面,而夹持部分包括具有插槽壁的插槽,插槽从支撑部分向后延伸。切削刀片具有切削部分,其中,前邻接面和狭长定位部分从切削部分向后延伸。切削刀片固定在刀片槽内,其中前邻接面邻接支撑面,并且定位部分位于插槽内,其中定位部分的邻接面邻接插槽壁。
Description
技术领域
本发明涉及一种非排他性地用于切槽、车削、分离和端面切槽的切削刀片和切削工具。
背景技术
例如在第5709508号美国专利的图2中示出了一种现有技术中典型的端面切槽工具,其中切削刀片被固定在上夹钳和弯曲的下底钳之间形成的槽内。该槽在切削刀片的每一个侧面上都是开放式的,这不但削弱了切削工具在槽区域内的结构,并且还意味着切削刀片沿着侧向方向没有固有的保持力从而在金属切削操作期间导致切削刀片侧向不稳定性。显然,这不仅对于端面切槽工具,而且对于非端面切槽工具来说都是一个问题。为了使切削刀片克服侧向作用力保持稳定,工具的钳夹以及切削刀片的上表面和下表面可以如第5709508号美国专利的图2中所示并且更明确地例如第6234727号美国专利的图3A和3B中所示在切削刀片的夹持区域内设有凹-凸啮合面。
但是,夹持区域内的凹-凸啮合面在其同时应用于刀片夹持部分的上表面和下表面时的缺点在于其限制了切削刀片的最小尺寸,由此就限制了能够完成的最小凹槽直径的尺寸。
本发明的目标是提供一种充分克服了上述缺点的切削刀片和切削工具。
发明内容
根据本发明的一个方面,提供了一种切削刀片,具有纵向对称面并且包括切削部分以及从切削部分向后延伸的狭长定位部分,定位部分具有垂直于纵向对称面的分划面。
切削部分具有前刀面、相对的底面和延伸在其间的外周侧面,外周侧面与前刀面在刀刃处相交,刀刃的至少一部分构成切削刃。底面具有前邻接元件,前邻接元件具有在纵向对称面两侧对称定位并且相对于纵向对称面倾斜的两个前邻接面。
定位部分设有突出的后邻接元件和中间邻接元件并且具有在分划面和纵向对称面相交处形成的纵向轴线。后邻接元件在切削部分远端,而中间邻接元件与后邻接元件相比位置更加靠近切削部分。后邻接元件具有在纵向对称面两侧对称定位的两个后邻接面,而中间邻接元件具有在纵向对称面两侧对称定位的两个中间邻接面。
前邻接元件和后邻接元件位于分划面的一侧上,而中间邻接元件位于分划面的另一侧上。
根据某些实施例,后邻接面和中间邻接面位于公共曲面上。
根据某些实施例,公共曲面是斜锥面。
根据某些实施例,公共曲面是柱面。
根据某些实施例,前邻接面为平面并且在其间形成小于180o的邻接角。
根据某些实施例,前邻接面为平面并且在其间形成大于180o的邻接角。
根据本发明的另一种方面,还提供了一种包括刀片座的切削工具,其中如上所述的切削刀片被可移除地固定在刀片槽内,刀片槽包括支撑部分和夹持部分,支撑部分具有包括支撑面的支撑元件,而夹持部分包括从支撑部分向后延伸的插槽,插槽具有插槽壁。切削刀片固定在刀片槽内,其中前邻接面邻接支撑面,并且定位部分位于插槽内,其中后邻接面和中间邻接面邻接插槽壁。
根据某些实施例,后邻接面和中间邻接面位于公共曲面上并且插槽壁通常与公共曲面的形状相匹配。
根据某些实施例,公共曲面是斜锥面。
根据某些实施例,公共曲面是柱面。
根据某些实施例,前邻接面具有的形状与支撑元件的形状互补。
根据某些实施例,前邻接面为平面并且在其间形成邻接角,而支撑面在其间形成与邻接角互补的角。
附图说明
为了更好地理解本发明并介绍如何才能在实践中实现本发明,现在就参照附图来进行说明,在附图中:
图1是根据本发明实施例的切削工具切削部分的正面透视图;
图2是根据本发明实施例的切削工具截面部分的正面透视图的分解图;
图3是根据本发明实施例的切削刀片的正面透视图;
图4是根据本发明实施例的切削刀片的后面透视图;
图5是根据本发明实施例的切削刀片的仰视图;
图6是根据本发明实施例的切削刀片的俯视图;
图7是根据本发明实施例的切削刀片的正视图;
图8是根据本发明实施例的切削刀片的侧视图;
图9是根据本发明实施例的切削工具切削部分的侧视图的分解图;
图10是根据本发明实施例的切削工具切削部分的侧视图。
具体实施方式
首先对示出根据本发明实施例的切削工具12的切削部分10的图1和图2予以关注。切削工具12包括刀片座14和切削刀片16,其中切削刀片16在图1中被固定在刀片座14的刀片槽18内,而在图2中切削刀片16已从刀片槽18中取出。
图3至8详细示出了切削刀片16。切削刀片16在切削刀片16的前端22具有切削部分20,以及从切削部分20向后延伸的狭长定位部分24。切削刀片16优选而非必须地由硬质合金例如碳化钨制成。切削刀片16可以通过压制或注模以及烧结工艺制成。切削刀片16也可以被打磨。狭长的定位部分24具有在两个平面即切削刀片16的纵向对称面P1和定位部分24的分划面P2的相交处界定的纵向轴线L。以下将在本文中参照切削刀片16的某些特征更加详细地介绍这些平面。
切削部分20具有前刀面26、底面28和延伸在其间的外周侧面30。根据某些实施例,外周侧面30包括前面32、相对的后面34以及延伸在前面32和后面34之间的两个相对侧面36。定位部分24从后面34向后延伸,或者等价地,定位部分24从切削部分20向后延伸。外周侧面30与前刀面26在刀刃38处相交,刀刃38的至少一部分构成切削刃40。在某些实施例中,前面32与前刀面26在副切削刃42处相交。根据某些实施例,侧面36和前刀面26可以在侧切削刃44处相交。
切削部分20具有与底面28相连的前邻接元件46。前邻接元件46具有在纵向对称面P1两侧对称定位并且相对于纵向对称面P1倾斜的两个前邻接面48。根据某些实施例,前邻接面48可以是平面并且可以在其间形成小于180o的邻接角α。根据另一些实施例,前邻接面48可以是平面并且可以在其间形成大于180o的邻接角α。
定位部分24在切削部分20的远端具有后邻接元件50,后邻接元件50具有在纵向对称面P1两侧对称定位的两个后邻接面52。定位部分24还具有中间邻接元件54,中间邻接元件54与后邻接元件50相比位置更加靠近切削部分20。中间邻接元件54具有在纵向对称面P1两侧对称定位的两个中间邻接面56。
前邻接元件46和后邻接元件50位于分划面P2的一侧,而中间邻接元件54位于分划面P2的另一侧。根据某些实施例,前刀面26和中间邻接元件54位于分划面P2同侧。因此,如图5和6中所示,前刀面26和中间邻接元件54在刀片的俯视图中可见,而前邻接元件46和后邻接元件50在刀片的仰视图中可见。后邻接元件50和中间邻接元件54从定位部分24突出,以使它们的相应邻接面即后邻接面52和中间邻接面56相对于定位部分24的其余表面有所升高。
后邻接面52和中间邻接面56可以是弯曲的。根据某些实施例,后邻接面52和中间邻接面56位于公共曲面上。公共曲面可以是锥面。根据某些实施例,定位部分24可以从切削部分20向后和向下延伸,以使得在刀片的侧视图中,定位部分24的纵向轴线L与垂直于纵向对称面并且通常位于前刀面26内的平面P3形成锐角β。根据某些实施例,锥面可以是斜锥面。根据某些实施例,公共曲面可以是柱面。
现在将注意力转移至图2并另外对图9和10予以关注。刀片槽18具有前支撑部分58和后夹持部分60。支撑部分58位于在刀片座14的座正面64和座顶面66之间的角部处形成的凹口62内。支撑部分58具有支撑元件68。夹持部分60包括具有插槽壁72的插槽70,在插槽孔74处开向凹口62。插槽70从支撑部分58向后延伸。插槽壁72被成形为摩擦接合定位部分24的后邻接面52和中间邻接面56。由于后邻接元件50和中间邻接元件54从定位部分24突出,因此只有它们的相应的邻接面即后邻接面52和中间邻接面56接合插槽壁72。根据某些实施例,插槽壁72可以是锥体形状,或者可以是斜锥体形状。根据某些实施例,插槽壁72可以是柱体形状。插槽孔74至少部分地被与支撑元件68相邻的通常为面向前的孔壁76所围绕。夹持部分60从插槽孔74向后延伸。支撑元件68具有两个支撑面78,在它们之间形成与邻接角α互补的角,以使支撑面78和前邻接面48能够彼此相符地接合。前邻接元件48具有凹陷的V形形状,而支撑元件68具有互补的凸起的V形形状。
通过将定位部分24置于插槽70内的过盈配合,将切削刀片16固定至刀片槽18,其中前邻接元件46和支撑元件68对齐,并且将定位部分24压入插槽70内直到后邻接面52和中间邻接面56与插槽壁72相邻接且摩擦接合并且前邻接面48邻接支撑面78为止。将前邻接元件46和支撑元件68成形为具有互补的V形形状提供了切削刀片16的侧向稳定性以及通常是刀刃38而具体是切削刃40的精确定位。切削刃40可以包括副切削刃42和/或斜切削刃42。但是,与现有技术相比,切削刀片16的定位部分24位于夹持部分的插槽70内,插槽在各个侧面上是封闭的,与现有技术中的夹持部分相比,这样可以得到更坚固的结构。因此,在某些实施例中,定位部分24的至少一部分***槽壁70周向地围绕。
通过在孔壁76和切削部分20的后面34之间引入适当的工具并且通过将定位部分24撬离槽70即可将切削刀片16从刀片槽18中取出。根据某些实施例,刀片座14设有与定位部分24后端82相邻的移除操作孔80,使刀片移除设备能够操作定位部分24的后端82,目的是为了向定位部分24的后端82施加作用力以迫使定位部分24离开插槽70。
应该意识到三个邻接元件也就是定位部分24上的后邻接元件50和中间邻接元件54以及切削部分20上的前邻接元件46的设置在一方面由于前邻接面48邻接支撑面78而有助于通常是刀刃38而具体是切削刃40的精确定位,并且在另一方面由于后邻接面52和中间邻接面56通过插槽70的插槽壁72的摩擦接合使得在定位部分20附近没有开放的侧壁的情况下有助于将切削刀片16固定并牢固夹持在刀片槽18内。进一步应该意识到如果定位部分24未设有突出的邻接元件(后邻接元件50和中间邻接元件54)而是单一的平滑表面,那么若非不可能就是难以将定位部分24摩擦接合至插槽壁72且与此同时确保前邻接面48与支撑面78邻接,原因在于***的约束过多。
尽管已经具体到一定程度地介绍了本发明,但是应该理解可以进行各种修改和变形而并不背离本发明如所附权利要求所述的实质和保护范围。
Claims (7)
1.一种切削刀片(16),具有纵向对称面(P1)并且包括切削部分(20)以及从切削部分(20)向后延伸的狭长定位部分(24),定位部分(24)具有垂直于纵向对称面(P1)的分划面(P2);
切削部分(20)具有前刀面(26)、相对的底面(28)和延伸在其间的外周侧面(30),外周侧面(30)与前刀面(26)在刀刃(38)处相交,刀刃(38)的至少一部分构成切削刃(40),底面(28)具有前邻接元件(46),前邻接元件(46)具有在纵向对称面(P1)两侧对称定位并且相对于纵向对称面(P1)倾斜的两个前邻接面(48),
定位部分(24)设有突出的后邻接元件和中间邻接元件(50,54)并且具有在分划面(P2)和纵向对称面(P1)相交处形成的纵向轴线(L),后邻接元件(50)在切削部分(20)远端,而中间邻接元件(54)与后邻接元件(50)相比位置更加靠近切削部分(20),后邻接元件(50)具有在纵向对称面(P1)两侧对称定位的两个后邻接面(52),而中间邻接元件具有在纵向对称面(P1)两侧对称定位的两个中间邻接面(56),其中:
前邻接元件和后邻接元件(46,50)位于分划面(P2)的一侧,而中间邻接元件(54)位于分划面(P2)的另一侧;其特征在于
后邻接面和中间邻接面(52,56)位于公共曲面上,所述公共曲面是斜锥面。
2.如权利要求1所述的切削刀片(16),其中所述前邻接面(48)为平面并且在其间形成小于180o的邻接角(α)。
3.如权利要求1所述的切削刀片(16),其中所述前邻接面(48)为平面并且在其间形成大于180o的邻接角(α)。
4.如权利要求1所述的切削刀片(16),其中:
前刀面(26)和中间邻接元件(54)在刀片的俯视图中可见;并且
前邻接元件和后邻接元件(46,50)在刀片的仰视图中可见。
5.一种切削工具,包括:
具有刀片槽(18)的刀片座(14),刀片槽(18)包括支撑部分(58)和夹持部分(60),支撑部分(58)具有包括支撑面(78)的支撑元件(68),而夹持部分(60)包括从支撑部分(58)向后延伸的插槽(70),插槽(70)具有插槽壁(72);以及
被可移除地固定在刀片槽(18)内的切削刀片(16);其中:
切削刀片如权利要求1所述;
前邻接面(48)邻接支撑面(78);并且
定位部分(24)位于插槽(70)内使后邻接面和中间邻接面(52,56)邻接插槽壁(72),
其特征在于
插槽壁(72)基本与所述公共曲面的形状相匹配,并且
定位部分(24)的至少一部分***槽壁(72)周向地围绕。
6.如权利要求5所述的切削工具,其中所述前邻接元件(46)具有的形状与支撑元件(68)的形状互补。
7.如权利要求5所述的切削工具,其中所述前邻接面(48)为平面并且在其间形成邻接角(α),而支撑面(78)在其间形成与邻接角(α)互补的角。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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IL198053 | 2009-04-07 | ||
IL198053A IL198053A (en) | 2009-04-07 | 2009-04-07 | Cutting and applying tools for him |
PCT/IL2010/000195 WO2010116351A1 (en) | 2009-04-07 | 2010-03-10 | Cutting tool and cutting insert therefor |
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CN102378659A CN102378659A (zh) | 2012-03-14 |
CN102378659B true CN102378659B (zh) | 2014-02-26 |
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US (1) | US8376664B2 (zh) |
EP (1) | EP2416912B1 (zh) |
JP (1) | JP5475865B2 (zh) |
KR (1) | KR101648603B1 (zh) |
CN (1) | CN102378659B (zh) |
BR (1) | BRPI1014699B1 (zh) |
CA (1) | CA2754191C (zh) |
ES (1) | ES2538051T3 (zh) |
IL (1) | IL198053A (zh) |
PL (1) | PL2416912T3 (zh) |
PT (1) | PT2416912E (zh) |
RU (1) | RU2509629C2 (zh) |
WO (1) | WO2010116351A1 (zh) |
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KR101075292B1 (ko) * | 2010-01-14 | 2011-10-20 | 대구텍 유한회사 | 절삭 공구 |
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WO2013151137A1 (ja) * | 2012-04-04 | 2013-10-10 | 株式会社タンガロイ | 刃先交換式切削工具、該工具用の切削インサートおよびボデー |
US8678716B2 (en) * | 2012-04-19 | 2014-03-25 | Iscar, Ltd. | Cutting tool assembly with removable tool head |
US9050658B2 (en) * | 2012-07-24 | 2015-06-09 | Iscar, Ltd. | Cutting insert with bottom stopper surface between bottom abutment surfaces and cutting tool therefor |
KR101531975B1 (ko) * | 2013-08-07 | 2015-06-26 | 한국야금 주식회사 | 인서트 및 공구 홀더의 어셈블리 |
US9211596B2 (en) | 2013-08-26 | 2015-12-15 | Iscar, Ltd. | Detachable cutting tool segment with resilient clamping and cutting tool therefor |
WO2015108042A1 (ja) * | 2014-01-14 | 2015-07-23 | 株式会社タンガロイ | 切削工具の板状部材、ツールブロック、クランプ部材、および切削工具 |
JP2017121668A (ja) * | 2014-05-23 | 2017-07-13 | 株式会社タンガロイ | 切削工具の板状部材、ツールブロック、および切削工具 |
US10010942B2 (en) * | 2016-06-20 | 2018-07-03 | Iscar, Ltd. | Cutting tool and cutting insert having a deep blind opening |
USD880547S1 (en) | 2017-11-30 | 2020-04-07 | Illinois Tool Works Inc. | Cutting insert |
USD912708S1 (en) | 2017-11-30 | 2021-03-09 | Illinois Tool Works Inc. | Cutting insert |
US20240066604A1 (en) * | 2021-01-07 | 2024-02-29 | Mitsubishi Materials Corporation | Clamping work tool, blade-tip-replaceable cutting tool with clamping work tool, and cutting insert |
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- 2010-03-10 RU RU2011144852/02A patent/RU2509629C2/ru active
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Also Published As
Publication number | Publication date |
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KR101648603B1 (ko) | 2016-08-16 |
IL198053A0 (en) | 2009-12-24 |
WO2010116351A1 (en) | 2010-10-14 |
IL198053A (en) | 2012-03-29 |
RU2509629C2 (ru) | 2014-03-20 |
PT2416912E (pt) | 2015-06-30 |
US20100254773A1 (en) | 2010-10-07 |
PL2416912T3 (pl) | 2015-09-30 |
JP2012522657A (ja) | 2012-09-27 |
BRPI1014699A2 (pt) | 2016-04-12 |
US8376664B2 (en) | 2013-02-19 |
JP5475865B2 (ja) | 2014-04-16 |
ES2538051T3 (es) | 2015-06-16 |
RU2011144852A (ru) | 2013-05-20 |
CN102378659A (zh) | 2012-03-14 |
EP2416912A1 (en) | 2012-02-15 |
BRPI1014699B1 (pt) | 2020-06-23 |
CA2754191A1 (en) | 2010-10-14 |
CA2754191C (en) | 2016-07-12 |
EP2416912B1 (en) | 2015-05-06 |
KR20110136832A (ko) | 2011-12-21 |
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