CN102271848A - 具有调整机构的切削工具 - Google Patents
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- B23C5/2462—Securing arrangements for bits or teeth or cutting inserts adjustable the adjusting means being oblique surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23C—MILLING
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- B23C—MILLING
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- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/24—Securing arrangements for bits or teeth or cutting inserts adjustable
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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
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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
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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
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- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1934—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
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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
- Y10T407/22—Cutters, for shaping including holder having seat for inserted tool
- Y10T407/2222—Tool adjustable relative to holder
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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
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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
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- Y10T408/858—Moving means including wedge, screw or cam
- Y10T408/8588—Axially slidable moving-means
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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
- Y10T408/83—Tool-support with means to move Tool relative to tool-support
- Y10T408/85—Tool-support with means to move Tool relative to tool-support to move radially
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Abstract
切削工具(10)具有用于调整安放于其中的切削镶刀(15)位置的调整机构。切削工具(10)具有工具主体(11)且还具有邻接构件(30)和蜗杆螺钉(40),工具主体(11)具备调整孔(50)和与调整孔(50)相交的邻接构件孔(32)。邻接构件(30)位于邻接构件孔(32)中且蜗杆螺钉(40)位于调整孔(50)中且螺旋穿入到蜗杆螺钉孔(56)内。当蜗杆螺钉(40)处于第一螺钉旋转位置时邻接构件(30)位于沿着邻接构件孔(32)的第一位置且当蜗杆螺钉(40)处于第二螺钉旋转位置时邻接构件(30)位于沿着邻接构件孔(32)的第二位置。
Description
技术领域
本发明涉及一种切削工具,其具有用于调整固定于镶刀腔中的切削镶刀的位置的调整机构。
背景技术
在本领域中已知许多不同的机构用于调整固定于镶刀腔中的切削镶刀的位置。这些机构中的某些可用于以高操作速度进行机械加工。举例而言,US5,716,167描述了一种具有调整机构的铣削切削机。该切削机具有在调整准确度方面的某些优点,径向离心力向该工具施加应力可使得固定该镶刀的匣移位。从图2可看出用于调整匣的螺钉具有径向部件。当工具以高速操作时,最好避免这种几何特征,因为即使离心力的较小径向分量可大到足以造成不准确性。
US6,086,290使用保持切削镶刀的匣。切削镶刀和匣具有细长的固定孔和相对应的螺钉用于固定并调整切削镶刀或匣的位置。该调整机构还提供利用在匣下表面处的邻接调整螺钉来调整匣方位的方法。螺钉中的至少两个具有相当大的径向部件,允许离心力可能造成不准确性。
前述调整机构需要钻到工具主体内的至少一个螺纹孔。这阻止使用例如由铝制成的工具主体,因为基于铝的螺纹与例如基于钢的螺纹相比显著的弱。而且,向工具主体内钻螺纹孔增加了生产的复杂性和因此生产成本。本发明的目的在于提供一种调整机构,其显著地减轻或克服前述缺点。
发明内容
在一方面,本发明针对于一种具有调整机构的切削工具。根据本发明的一方面的切削工具包括:
工具主体,其包括:
镶刀腔,其具有基部表面和侧壁;
侧壁孔口,其位于侧壁中;
邻接构件孔,其在侧壁孔口处向侧壁敞开,该邻接构件孔具有限定上下方向的邻接构件轴线(M);以及
调整孔,其与邻接构件孔相交,该调整孔具有限定内外方向的调整孔轴线(B)和调整孔直径DAB;
邻接构件,包括:
邻接构件外围表面,其在邻接构件上表面与邻接构件下表面之间延伸;
邻接表面;以及,
蜗杆螺钉孔,其形成于该邻接构件外围表面中,该蜗杆螺钉孔具有蜗杆螺钉孔轴线(W);以及
蜗杆螺钉,其具有蜗杆螺钉螺纹、蜗杆螺钉端面和蜗杆螺钉直径DWS,其中DAB>DWS,
其中:
邻接构件占据邻接构件孔;
蜗杆螺钉占据调整孔,且蜗杆螺钉螺纹接合形成于邻接构件中的蜗杆螺钉孔;以及
该蜗杆螺钉可在第一螺钉旋转位置与第二螺钉旋转位置之间旋转:
在第一螺钉旋转位置,邻接构件位于沿着邻接构件孔轴线(M)的第一位置;以及
在第二螺钉旋转位置,邻接构件位于沿着邻接构件孔轴线(M)的第二位置中。
蜗杆螺钉可具有蜗杆螺钉端面,调整孔可具有位于调整孔内端的端表面,蜗杆螺钉端面可邻接调整孔端表面且在一个方向旋转蜗杆螺钉可使得蜗杆螺钉沿着邻接构件轴线(M)在调整孔内在向上方向行进。
邻接构件孔可具有邻接构件孔底部;在第一螺钉旋转位置,邻接构件下表面距邻接构件孔的底部第一距离d1;在第二螺钉旋转位置,邻接构件下表面距邻接构件孔的底部第二距离d2,且d2>d1。
邻接构件孔和调整孔可无螺纹。
蜗杆螺钉可在其从第一螺钉旋转位置旋转到第二螺钉旋转位置时沿着邻接构件孔轴线(M)行进。
切削工具可具有旋转轴线(A)且邻接构件孔轴线(M)垂直于切削工具的旋转轴线(A)。
蜗杆螺钉可绕形成于邻接构件中的蜗杆螺钉孔轴线(W)旋转。
邻接构件可具有大体上圆柱形截面。
调整孔可具有大体上圆柱形截面。
切削镶刀可安放于镶刀腔中且固定螺钉可将切削镶刀固定到镶刀腔。
邻接构件的邻接表面形成于邻接构件外围表面和邻接构件上表面中的一个或两个中,邻接构件的邻接表面可至少部分地从侧壁孔口突起,切削镶刀可具有镶刀邻接表面,且邻接构件的邻接表面邻接镶刀邻接表面。在一个方向旋转蜗杆螺钉使得邻接构件的邻接表面在远离侧壁的方向中驱迫切削镶刀且也使得蜗杆螺钉沿着邻接构件轴线(M)在调整孔内在向上方向中行进。
附图说明
为了更好地理解本发明且允许本发明在实践中被实施,现将参看附图,在附图中:
图1是根据本发明的切削工具的透视图;
图2是图1所示的切削工具的切削部的透视分解图;
图3是图1所示的切削工具的切削部的侧视图,示出切削镶刀处于第一调整位置;
图4是图3所示的切削部的侧视图,示出切削镶刀处于第二调整位置;
图5是沿着图3的线V-V所截取的截面图;以及
图6是沿着图4的线VI-VI所截取的截面图。
具体实施方式
应了解为了简单且清楚地说明,附图所示的元件未必准确地或按照比例绘制。举例而言,为了清楚起见,这些元件中某些的尺寸可相对于其它元件夸大,或者若干物理部件可包括于一个功能块或元件中。另外,若适当考虑,附图标记可在这些附图中重复以指示相对应或类似元件。
现大体上参看附图且具体地参看图1和图2,图1示出根据本发明的实施例的切削工具10,且图2示出切削工具10的切削部12。切削工具10具有旋转轴线A和工具主体11,工具主体11具备至少三个切削部12。每个切削部12具有镶刀腔18,其中具有镶刀邻接表面15的切削镶刀14可由固定螺钉16固持。切削部12的数量并不限于三个。切削镶刀14通常由诸如硬质合金(cemented carbide)的极其硬且耐磨损的材料制成,通过形压或通过注射模制和烧结粘结剂中的碳化物粉末。硬质合金可为碳化钨。切削镶刀可有涂层或无涂层。旋转轴线A限定前后方向,且切削部12位于切削工具10的前端。每个切削镶刀14与调整机构20联系,借助于调整机构20可调整切削镶刀14的位置。举例而言,在某些实施例中,可调整切削镶刀14的轴向位置。
镶刀腔18包括基部表面22和从基部表面22延伸的侧壁24。如在图2中可看出,根据本发明的实施例,侧壁24构成轴向侧壁。根据某些实施例,镶刀腔18还具有构成径向侧壁的额外侧壁23。根据某些实施例,侧壁24可具备侧壁孔口26。调整机构20包括位于邻接构件孔32中的邻接构件30。邻接构件孔32在侧壁孔口26处向侧壁24敞开。邻接构件孔32具有限上下方向的邻接构件孔轴线M和邻接构件孔底部34(参看图6)。调整孔50具有调整孔轴线B、调整孔直径DAB和调整孔端表面52。调整孔50与邻接构件孔32相交,邻接构件孔32和调整孔50可无螺纹。蜗杆螺钉40位于调整孔50中,该蜗杆螺钉40具有蜗杆螺钉端面42和蜗杆螺钉螺纹44(参看图5)。根据某些实施例,侧壁孔口26可位于侧壁23中而非侧壁24中。
邻接构件30大体上具有圆柱形的形状,具有分别在邻接构件上表面46与邻接构件下表面48之间延伸的邻接构件外围表面36。邻接表面54从邻接构件上表面46延伸,邻接表面54可从侧壁孔口26部分地突起。邻接构件上表面46和邻接表面54可不共面。邻接构件30具有蜗杆螺钉孔56,其具有垂直于(transverse to)邻接构件孔轴线M的蜗杆螺钉孔轴线W。蜗杆螺钉孔56是贯通孔且具有蜗杆螺钉孔螺纹58。蜗杆螺钉孔56向邻接构件外围表面36敞开。蜗杆螺钉40具有蜗杆螺钉轴线S和蜗杆螺钉直径Dws<DAB。
为了调整切削镶刀14的位置,蜗杆螺钉40绕蜗杆螺钉轴线S在蜗杆螺钉孔56中螺旋旋转,同时蜗杆螺钉端面42邻接调整孔端表面52。参看图5,其中调整机构20处于第一调整位置,在此位置,蜗杆螺钉40处于第一螺钉旋转位置,且邻接构件30位于相对于邻接构件孔底部34沿着邻接构件孔轴线M的第一距离d1(该距离d1可为零)处。通过使蜗杆螺钉40顺时针旋转(对于右旋螺纹)到第二旋转位置,邻接构件30沿着邻接构件孔轴线M向上移动到相对于邻接构件孔底部34的第二距离d2处,其中d2>dl。此向上轴向移位借助于镶刀邻接表面15与邻接表面54之间的邻接而转变(如在图3的侧视图中看出且根据某些实施例)为切削镶刀14沿着旋转轴线A的方向的向前轴向移位。蜗杆螺钉40在螺旋穿入蜗杆螺钉孔56内时,将在调整孔50内沿着邻接构件孔轴线M与邻接构件30同时向上行进。
现参看图6,其中调整机构20处于第二位置且蜗杆螺钉40处于第二螺钉旋转位置。邻接表面54现处于相对于邻接构件孔底部34的第二位置且切削镶刀14相应地在第二位置。由于蜗杆螺钉40的蜗杆螺钉端面42与调整孔端表面52邻接且因此不能沿着调整孔轴线B向内移动,邻接构件30和蜗杆螺钉40沿着邻接构件孔轴线M能进行这种同时轴向移动。因此,由于蜗杆螺钉40顺时针螺旋旋转(对于右旋螺纹),邻接构件40受到约束沿着邻接构件孔轴线M在邻接构件孔32内向上移动,且位于蜗杆螺钉孔56中的蜗杆螺钉40随之移动。由于调整孔直径DAB大于蜗杆螺钉直径Dws,这是可能的。
根据某些实施例,邻接构件30具有绕邻接构件孔轴线M的特定旋转移动自由量。根据某些实施例,可在蜗杆螺钉孔螺纹58与蜗杆螺钉螺纹44之间存在特定移动自由量。当蜗杆螺钉40旋转时,这些自由度允许邻接表面54调整其方位直到其变得平行于镶刀邻接表面15。
邻接构件孔轴线M垂直于切削工具旋转轴线A定向以最小化在邻接构件孔轴线M方向中的离心力,其在高操作速度可造成不准确性。
虽然参考一个或多个具体实施例描述了本发明,但描述意图在总体上是说明性的且不应被理解为限制本发明为所示实施例。应了解本领域技术人员可想到各种修改,这些修改虽然未在本文具体地示出,但仍在本发明的范围内。
Claims (12)
1.一种切削工具(10),包括:
工具主体(11),其包括:
镶刀腔(18),其具有基部表面(22)和侧壁(24);
侧壁孔口(26),其位于侧壁(24)中;
邻接构件孔(32),其在侧壁孔口(26)处向侧壁(24)敞开,该邻接构件孔(32)具有限定上下方向的邻接构件轴线(M);以及
调整孔(50),其与邻接构件孔(32)相交,所述调整孔(50)具有限定内外方向的调整孔轴线(B)和调整孔直径DAB;
邻接构件(30),包括:
邻接构件外围表面(36),其在邻接构件上表面(46)与邻接构件下表面(48)之间延伸;
邻接表面(54);以及
蜗杆螺钉孔(56),其形成于该邻接构件外围表面(36)中,该蜗杆螺钉孔(56)具有蜗杆螺钉孔轴线(W);以及
蜗杆螺钉(40),其具有蜗杆螺钉螺纹(44)和蜗杆螺钉直径Dws,且DAB>Dws;
其中:
所述邻接构件(30)占据所述邻接构件孔(32);
所述蜗杆螺钉(40)占据调整孔(50),且所述蜗杆螺钉螺纹(44)接合形成于所述邻接构件(30)中的蜗杆螺钉孔(56);以及
所述蜗杆螺钉(40)可在第一螺钉旋转位置与第二螺钉旋转位置之间旋转:
在第一螺钉旋转位置,所述邻接构件(30)位于沿着邻接构件孔轴线(M)的第一位置;以及
在第二螺钉旋转位置,所述邻接构件(30)位于沿着所述邻接构件孔轴线(M)的第二位置。
2.根据权利要求1所述的切削工具(10),其特征在于:
所述蜗杆螺钉(40)具有蜗杆螺钉端面(42);
所述调整孔(50)具有位于所述调整孔(50)的内端的端表面(52);
所述蜗杆螺钉端面(42)邻接所述调整孔的端表面(52);以及
在一个方向旋转蜗杆螺钉(40)可使得蜗杆螺钉(40) 沿着邻接构件轴线(M)在所述调整孔(50)内行进。
3.根据权利要求1所述的切削工具(10),其特征在于:
所述邻接构件孔(32)占据邻接构件孔底部(34);
在第一螺钉旋转位置,邻接构件下表面(48)距所述邻接构件孔的底部(34)第一距离d1;
在第二螺钉旋转位置,所述邻接构件下表面(48)距所述邻接构件孔的底部(34)第二距离d1;以及
d2>d1。
4.根据权利要求1所述的切削工具(10),其特征在于:
所述邻接构件孔(32)和所述调整孔(50)无螺纹。
5.根据权利要求1所述的切削工具(10),其特征在于,所述蜗杆螺钉(40)在其从第一螺钉旋转位置旋转到第二螺钉旋转位置时沿着所述邻接构件孔轴线(M)行进。
6.根据权利要求1所述的切削工具(10),其特征在于:
所述切削工具(10)具有旋转轴线(A)且所述邻接构件孔轴线(M)垂直于所述切削工具的旋转轴线(A)。
7.根据权利要求1所述的切削工具(10),其特征在于:
所述蜗杆螺钉(40)可绕形成于所述邻接构件(30)中的蜗杆螺钉孔轴线(W)旋转。
8.根据权利要求1所述的切削工具(10),其特征在于:
所述邻接构件(30)具有大体上圆柱形截面。
9.根据权利要求1所述的切削工具(10),其特征在于,所述调整孔(50)具有大体上圆柱形截面。
10.根据权利要求1所述的切削工具(10),其特征在于还包括:
安放于所述镶刀腔(18)内的切削镶刀(14)。
11.根据权利要求10所述的切削工具(10),其特征在于还包括:
固定螺钉(16),其将所述切削镶刀(14)固定到所述镶刀腔(18)。
12.根据权利要求10所述的切削工具(10),其特征在于:
所述邻接构件(30)的邻接表面(54)形成于所述邻接构件外围表面(36)和所述邻接构件上表面(46)中的一个或两个中;
所述邻接构件(30)的邻接表面(54)至少部分地从所述侧壁孔口(26)突起;
所述切削镶刀(14)具有镶刀邻接表面(15);
所述邻接构件(30)的邻接表面(54)邻接所述镶刀邻接表面(15);以及
在一个方向旋转所述蜗杆螺钉(40)使得:
所述邻接构件(30)的邻接表面(54)在远离所述侧壁(24)的方向中驱迫所述切削镶刀(14);以及
使所述蜗杆螺钉(40)沿着所述邻接构件轴线(M)在向上方向中在所述调整孔(50)内行进。
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IL196440A IL196440A (en) | 2009-01-11 | 2009-01-11 | Tuning mechanism |
IL196440 | 2009-01-11 | ||
PCT/IL2009/001199 WO2010079473A1 (en) | 2009-01-11 | 2009-12-17 | Cutting tool having an adjustment mechanism |
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EP (1) | EP2376253B1 (zh) |
JP (1) | JP2012514542A (zh) |
KR (1) | KR101562690B1 (zh) |
CN (1) | CN102271848B (zh) |
BR (1) | BRPI0923922A2 (zh) |
CA (1) | CA2743791A1 (zh) |
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Also Published As
Publication number | Publication date |
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EP2376253B1 (en) | 2015-11-11 |
BRPI0923922A2 (pt) | 2016-01-12 |
CN102271848B (zh) | 2013-09-25 |
EP2376253A1 (en) | 2011-10-19 |
JP2012514542A (ja) | 2012-06-28 |
KR20110104515A (ko) | 2011-09-22 |
US20100178118A1 (en) | 2010-07-15 |
US8308398B2 (en) | 2012-11-13 |
IL196440A0 (en) | 2009-09-22 |
WO2010079473A1 (en) | 2010-07-15 |
RU2011133669A (ru) | 2013-02-20 |
CA2743791A1 (en) | 2010-07-15 |
IL196440A (en) | 2012-03-29 |
KR101562690B1 (ko) | 2015-10-22 |
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