CN101312803B - 切削刀具 - Google Patents
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- CN101312803B CN101312803B CN2006800434983A CN200680043498A CN101312803B CN 101312803 B CN101312803 B CN 101312803B CN 2006800434983 A CN2006800434983 A CN 2006800434983A CN 200680043498 A CN200680043498 A CN 200680043498A CN 101312803 B CN101312803 B CN 101312803B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- 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
- B23C5/202—Plate-like cutting inserts with special form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/06—Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/04—Plain cutters, i.e. having essentially a cylindrical or tapered cutting surface of substantial length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- 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
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
- B23C5/2208—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- 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
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- 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
- B23C5/2472—Securing arrangements for bits or teeth or cutting inserts adjustable the adjusting means being screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/16—Fixation of inserts or cutting bits in the tool
- B23C2210/165—Fixation bolts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/84—Steel
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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
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1908—Face or end mill
- Y10T407/1912—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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1908—Face or end mill
- Y10T407/1912—Tool adjustable relative to holder
- Y10T407/1914—Radially
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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
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1908—Face or end mill
- Y10T407/192—Face or end mill 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
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1928—Tool adjustable relative to holder
- Y10T407/193—Radially
-
- 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
- Y10T407/19—Rotary cutting tool
- 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
-
- 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
- Y10T407/2272—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
- Y10T407/2274—Apertured tool
- Y10T407/2276—Apertured tool with means projecting through aperture to force tool laterally against reaction surface
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Abstract
本发明涉及一种切削刀具,其包括:至少一个切削刀片;刀具主体,所述刀具主体包括槽座部,所述切削刀片被安装到所述槽座部;用于将切削刀片固定到所述刀具主体的所述槽座部的装置;以及螺钉,用于对固定到所述刀具主体的所述槽座部的所述切削刀片进行精调。所述螺钉具有头部、螺纹部和用于将所述头部连接到所述螺纹部的部分。所述槽座部具有底表面,在所述底表面上形成有螺钉孔,所述螺纹部被紧固到所述螺钉孔中。所述槽座部还具有侧壁,所述侧壁包括用于紧密地接触所述螺钉的头部的表面。所述螺钉被配置成,当所述螺纹部被紧固到所述螺钉孔中时,所述头部紧密地接触并且弹性施压于所述槽座部的紧接触表面。
Description
技术领域
本发明涉及一种切削刀具,更具体地是涉及一种具有螺钉的切削刀具,所述螺钉用于对固定到刀具主体槽座部的切削刀片的位置进行精调。
背景技术
一般性地,如图1所示,在切削刀具例如铣刀中,利用紧固装置(例如,螺栓)将至少一个切削刀片2固定到切削刀具主体1的槽座部3。就固定到切削刀具主体1的切削刀片2而言,必须调整切削刀片2的位置以实现精确切削并且防止任何一个切削刀片承受过大的力。为此,在切削刀片2的后部提供了用于对切削刀片的位置进行精调的装置10。
如图2所示,在一种传统切削刀具中,利用诸如螺栓之类的手段(未示出)将切削刀片2固定到刀具主体的槽座部3。用于对切削刀片的位置进行精调的装置10包括楔块11和螺钉12。槽座部3具有底表面,在底表面上形成有螺钉孔3b,螺钉12被紧固在螺钉孔3b。槽座部3还具有侧壁,该侧壁带有用于紧密地接触楔块11的表面3a。
随着楔块11向上延伸,其宽度变大。楔块11在其中心部还具有螺钉孔,螺钉12的头部被紧固到该螺钉孔中。螺钉12在其上部和下部具有螺纹。形成在螺钉12上部的螺纹与形成在楔块11螺钉孔中的螺纹啮合。形成在螺钉12下部的螺纹与形成在螺钉孔3b中的螺纹啮合,其中螺钉孔3b设置于槽座部3中。
在上述切削刀具中,楔块11根据螺钉12的紧固(或拧紧)程度沿切削刀片2以及槽座部3的紧接触表面3a上下运动,同时使切削刀片2前后运动,由此对切削刀片2的位置进行精调。例如在螺钉12已经被拧紧的状态下进一步拧紧螺钉12时,楔块11随螺钉12一起向下运动,由此使切削刀片2向外(即,相反于紧接触表面3a的方向)精微地运动。
当利用如上所述的楔块11对切削刀片施加2推力时,由于切削刀片2被紧固到刀具主体的槽座部3,使得与推力相反的斥力F被施加到楔决上。因此,弯曲应力被施加于螺钉12。因而,螺钉12朝槽座部3的紧接触表面3a弹性地弯曲。在这种情况下,当拆下固定到槽座部3的切削刀片2来更换或修理切削刀片2时,在螺钉12处产生的弯曲应力也被去除,由此使螺钉12随楔块11一起朝切削刀片2(即,向前)运动。
当螺钉12和楔块11运动到其原始位置前面的某个位置时,在这种状态下固定新的切削刀片2,将会出现新切削刀片2不能被安装在正确位置中的问题。这是由于楔块的干涉造成的,该楔决此时已运动到原始位置前方的某个位置。因而,在卸下楔块和安装切削刀片后必须进行精调。
公开的技术问题
因此,本发明的一个目的是要提供一种切削刀具,其在更换时不需要重新调整切削刀片的位置,由此解决了现有技术的上述问题。
技术方案
本发明提供了一种切削刀具,包括:至少一个切削刀片;刀具主体,所述刀具主体包括槽座部,所述切削刀片被安装到所述槽座部;用于将切削刀片固定到所述刀具主体的槽座部的装置;以及螺钉,用于对固定到所述刀具主体的槽座部的切削刀片进行精调。用于执行精调的所述螺钉具有头部、螺纹部和用于将所述头部连接到所述螺纹部的部分。所述槽座部具有底表面,在所述底表面上形成有螺钉孔,所述螺纹部被紧固到所述螺钉孔中。所述槽座部还具有侧壁,所述侧壁包括用于紧密地接触所述螺钉的头部的表面。所述螺钉被配置成,当所述螺纹部被紧固到所述螺钉孔中时,所述头部紧密地接触并且弹性施压于所述槽座部的紧接触表面。
进一步地,用于执行精调的所述螺钉被配置成,当所述螺钉未被紧固到所述槽座部的所述螺钉孔中时,所述头部和所述螺纹部的中心轴线被布置成处于同一直线中。更进一步地,所述螺钉被配置成所述头部被所述槽座部的所述紧接触表面施压。这使得在所述螺钉被紧固到所述槽座部的所述螺钉孔中时,所述头部的中心轴线相对于所述螺纹部的中心轴线以相反于所述紧接触表面的方向移动。
所述螺钉的所述头部可具有楔形部以及被配置成紧固到所述楔形部的螺钉孔中的螺旋部。
附图说明
图1是透视图,示出了现有技术切削刀具的使用。
图2是剖视图,示出了现有技术切削刀具中的安装情况。
图3是剖视图,示出了根据本发明一个实施例的切削刀具中的安装情况。
图4是透视图,示出了用于在图3所示的切削刀具中进行精调的螺钉。
图5是分解透视图,示出了用于在根据本发明另一实施例构造的切削刀具中进行精调的螺钉。
图6是剖视图,示出了在根据本发明又一实施例构造的切削刀具中的安装情况,该切削刀具被配置成使用了图5所示的螺钉。
附图标记说明
1:刀具主体 2:切削刀片
3:槽座部 100:位置调整装置
110:头部 110a:楔形部
110b:螺旋部 111:倾斜侧面
120:螺纹部 130:连接部
A:弹性变形段 B:位移
C1,C1:中心轴线 d:连接部的直径
D:螺纹部的直径
具体实施方式
根据下文参考附图所作的详细说明,本发明的特征和优点将变得更加明显。
下文中,将用相同的附图标记来标示相同或类似的部件,以便参考附图来描述本发明。此外,为清楚起见,将在彼此不重复的范围内来描述本发明的不同特征。如图3和4所示,在根据本发明一个实施例构造的切削刀具中,切削刀片2被安装到刀具主体1的槽座部3(通过未示出的任何固定装置进行安装)。在这种安装状态下,切削刀片2的位置由用于执行精调的螺钉100进行精调。
用于执行精调的螺钉100具有头部110、螺纹部120以及它们之间的连接部130。槽座部3具有底表面和侧壁,在所述底表面上形成有螺钉孔3b,而所述侧壁包括紧接触表面3a。螺钉100的螺纹部120被紧固到槽座部3的螺钉孔3b中。当螺钉100沿螺钉孔3b向下运动时,头部110向下运动,同时紧密地接触槽座部的紧接触表面3a和切削刀片2。这导致推力以相反于紧接触表面3a的方向被施加到切削刀片2。当螺钉100未被紧固到槽座部3中时,头部110的中心轴线和螺纹部120的中心轴线被布置成处于同一直线。螺钉孔3b的侧壁和槽座部3的紧接触表面3a包括一个处于与螺钉100中心轴线平行的同一直线中的部分。头部110被配置成,其下部的宽度大于其上部的宽度,而最宽部分的直径大于螺纹部120的直径。这使得头部110起到楔块的作用。
因此,当头部110被用力插入切削刀片2与槽座部紧接触表面3a之间的空间中时,头部110的中心轴线C1相对于螺纹部120的中心轴线C2朝切削刀片2移动。也就是说,螺钉100被配置成,当螺钉100未被紧固到槽座部3的螺钉孔3b中时,头部110和螺纹部120处于同一中心轴线。但是当螺钉100被紧固到槽座部3的螺钉孔3b中时,头部110被槽座部3的紧接触表面3a推挤。这弹性地使头部110的中心轴线相对于螺纹部120的中心轴线沿相反于紧接触表面3a的方向移动。
因此,使头部110朝紧接触表面3a恢复的力被施加于螺钉100,而在螺钉100中,头部110又施压于槽座部的紧接触表面3a。此时,优选在连接部130中形成一个预定的弹性变形段A。这使得能够容易地实现这种移位,并且能够有效地将恢复力施加到紧接触表面3a。用于执行精调的螺钉(其包括连接部130)通常由合金钢(例如,KS SNCM8,SAE4340)制成。在这种情况下,优选将螺钉100配置成,当螺纹部的直径D为2mm或更大时,使弹性变形段A中的直径d为1mm或更大,但要小于螺纹部直径D的2/3。
如果弹性变形段A中连接部的直径d为1mm或更小,那么弹性变形段A的强度将变得过低。这使得很难提供合适的恢复力。如果螺纹部的直径D小于2mm,那么螺纹部本身的强度会变低。
因此,优选使螺纹部120的直径D大于2mm,以致能够保持螺纹部的最小强度。进一步地,优选使弹性变形段A中连接部的直径d大于1mm,但小于螺纹部直径D的2/3。这使得在弹性变形期间不会出现任何因强弯曲应力造成的塑性变形或损坏。
同时,如果弹性变形段A中的连接部的直径d大于螺纹部120直径D的2/3,那么在通过对头部110的凹槽应用扳手或类似物来旋转螺钉100时不会出现平滑的弹性变形。因此,头部110不能被强制地插入。因此,弹性变形段A中连接部的直径d不应该超过螺纹部直径D的2/3。
优选使弹性变形段A的长度大于连接部直径d的1.5倍或更大。如果弹性变形段A的总长度短于这一长度(即弹性变形段A连接部直径d的1.5倍),那么弹性变形段A过短。这会引起塑性变形而不是弹性变形,从而损坏弹性变形段A。
另一方面,头部110中心轴线C1相对于螺纹部120中心轴线C2的位移B优选大于0.02mm,但小于螺纹部直径的10%。这是因为当位移B小于0.02mm时,头部110不能对槽座部3的紧接触力3a施加强的恢复力。这使得很难在头部110与槽座部3的紧接触表面3a之间实现紧接触。
此外,如果位移B大于螺纹部直径的10%,那么头部110能对槽座部3的紧接触力3a施加强恢复力。这使得可以在头部110与槽座部3的紧接触表面3a之间实现紧接触。但是,由于这种强接触,使得螺纹部120需要过强的紧固力,而这并非人们所期望的,因为这使切削刀片2的精调非常困难。参考图3所示的实施例,头部110具有倾斜侧面111。因此,头部110具有随其向上延伸越来越小的宽度。此外,切削刀片2被配置成随其向上延伸,其宽度变大。因此,当螺纹部120的紧固被释放或松开时,螺钉100向上运动,从而使切削刀片2向前运动。然而,当螺纹部在倾斜状态下被紧固到槽座部的螺钉孔中时,头部并不一定需要倾斜侧面。
另一方面,头部110优选具有上端部,且用于驱动器或扳手的槽形成在该上端部上,以便通过使用工具例如驱动器和扳手来转动头部110。进一步地,头部110下边缘112的整个截面优选被倒角或弄圆。这便于将头部用力插入切削刀片2与槽座部3的紧接触表面3a之间的空间种。
下面将介绍用于调整切削刀具的切削刀片位置的装置的使用和操作,其中该切削刀具是根据本发明构造而成的。
首先,用于调整本发明切削刀具1的切削刀片2位置的装置的螺纹部120被插入切削刀片2与槽座部3的紧接触表面3a之间的空间中。然后,通过将合适的工具例如驱动器或扳手应用到形成于头部110上端部中的凹槽113,使头部110沿将螺纹部120紧固到槽座部3的螺钉孔3b中的方向转动。这就将螺纹部120紧固到槽座部3的螺钉孔3b中。
当继续拧紧螺纹部120时,头部110以一预定量干涉槽座部3的紧接触表面3a上端部。在这种状态下,当进一步用力转动头部110时,头部110的中心轴线C1由紧接触表面3a相对于螺纹部120的中心轴线C2朝切削刀片2移动,其中所述紧接触表面3a与螺钉孔3b的侧壁处于同一表面。因此,头部110被强制地插入切削刀片2和槽座部3的紧接触表面3a之间的空间中。
在这种状态下,固定或安装切削刀片2的位置能够被容易地调整。这是通过适当地调整切削刀片2的向前和向后的运动来实现的,而对切削刀片2向前和向后运动的调整又是通过使头部110在切削刀片2和槽座部3的紧接触表面3a之间根据头部110的紧固(或拧紧)程度上下运动来实现的。同时,头部110和槽座部3的紧接触表面3a能够在其间实现紧接触。这是因为槽座部3的紧接触表面3a一直被合力F推挤,其中合力F包括切削刀片2的斥力和强恢复力。也就是说,在头部110移动时,紧接触表面3a和头部110彼此施加压力,。
此外,即使从槽座部3移走切削刀片2以便对切削刀片2进行更换时,头部110并不向前(即,朝切削刀片)运动,因为头部110积极地推挤槽座部3的紧接触表面3a。因此,对用于更换的新切削刀片2进行固定的位置能被一直保持,不会改变在更换前被固定的切削刀片2的位置。这就消除了在更换切削刀片2时应该执行的调整切削刀片2位置的工作。
另一方面,如图5和6所示,作为组成本发明的头部110的另一实施例,头部110能被配置成具有构成头部110外部的楔形部110a以及螺旋部110b。螺旋部110b被紧固到楔形部110a的螺钉孔中,并被连接到连接部130。
在这种情况下,头部110a具有中心部,所述中心部带有形成在其中的螺纹部用于与螺旋部110b结合。楔形部110a还具有下端部,所述下端部带有底座部分(未示出)用于容装螺旋部110b。
楔形部110a和螺旋部110b被紧固穿过螺钉孔直到螺旋部110b被容装在楔形部110a的底座部分中,从而完成装配。在这种情况下,螺旋部110b和螺纹部120的螺旋方向优选是彼此相反的,以便安装和卸下楔形部110a。
这样,当楔形部110被配置成具有楔形部110a和螺旋部110b时,即使切削刀具中切削刀片2与槽座部的紧接触表面3a间的距离变换,这种切削刀具1可以通过仅仅更换楔形部110a来解决,而不需要某种新装置来调整切削刀片2的位置。
虽然已经参考本发明的示范性实施例具体示出和描述了本发明,但本领域技术人员应理解的是,在不脱离所附权利要求限定的本发明范围的情况下,在其中可以在形式上和细节上作出各种修改。
工业实用性
如上所述,根据本发明,当螺钉的螺纹部被紧固到槽座部的螺钉孔中时,用于执行精调的螺钉的头部能够紧密地接触和弹性施压于槽座部的紧接触表面。因此,即使切削刀片从槽座部中卸走以便更换切削刀片,固定新切削刀片的位置能被一直保持,而不会改变在进行这种更换之前已被精调的切削刀片的位置。这能够消除在更换切削刀片时执行的调整切削刀片的工作。
此外,当螺钉的头部被配置成具有楔形部和螺旋部时,即使切削刀具中切削刀片与槽座部的紧接触表面之间的距离变化,这种切削刀具可以通过仅仅更换楔形部来解决,而不需要某种新装置来调整切削刀片的位置。
Claims (9)
1.一种切削刀具,包括:
至少一个切削刀片;
刀具主体,所述刀具主体包括槽座部,所述切削刀片被安装到所述槽座部;
用于将切削刀片固定到所述刀具主体的所述槽座部的装置;以及
位置调整装置,用于对固定到所述刀具主体的所述槽座部的所述切削刀片进行精调;
其中所述位置调整装置具有头部、螺纹部和用于将所述头部连接到所述螺纹部的连接部;
其中所述槽座部具有底表面和侧壁,在所述底表面上形成有螺钉孔,所述螺纹部被紧固到所述螺钉孔中,所述侧壁包括用于紧密地接触所述位置调整装置的头部的紧接触表面;而且
其中所述位置调整装置被配置成,当所述螺纹部被紧固到所述螺钉孔中时,所述头部紧密地接触并且弹性施压于所述紧接触表面。
2.根据权利要求1所述的切削刀具,其中所述位置调整装置被配置成,当所述位置调整装置未被紧固到所述螺钉孔中时,所述头部和所述螺纹部的中心轴线被布置成处于同一直线中。
3.根据权利要求1或2所述的切削刀具,其中所述位置调整装置被配置成所述头部被所述紧接触表面施压,由此使得在所述位置调整装置被紧固到所述螺钉孔中时,使所述头部的中心轴线相对于所述螺纹部的中心轴线以相反于所述紧接触表面的方向移动。
4.根据权利要求3所述的切削刀具,其中所述螺钉孔的侧壁和所述紧接触表面分别包括一个被布置在平行于所述位置调整装置的中心轴线的同一直线中的部分,且其中所述位置调整装置的头部包括一个横截面大于所述螺纹部的横截面的部分。
5.根据权利要求3所述的切削刀具,其中所述头部具有楔形部和紧固到所述楔形部的螺钉孔中的螺旋部。
6.根据权利要求3所述的切削刀具,其中所述位置调整装置的连接部的横截面小于所述位置调整装置的其他部分。
7.根据权利要求3所述的切削刀具,其中所述头部的中心轴线与所述螺纹部的中心轴线之间的位移大于0.02mm,但小于所述螺纹部的直径的10%。
8.根据权利要求6所述的切削刀具,其中所述螺纹部的直径为2mm或更大,且其中所述连接部的直径为1mm或更大,但小于所述螺纹部的直径的2/3。
9.根据权利要求6所述的切削刀具,其中所述连接部的长度为其直径的1.5倍或更大。
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KR10-2005-0111220 | 2005-11-21 | ||
PCT/KR2006/004895 WO2007058513A1 (en) | 2005-11-21 | 2006-11-21 | Cutting tool |
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CN101312803A CN101312803A (zh) | 2008-11-26 |
CN101312803B true CN101312803B (zh) | 2010-09-29 |
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CA2630371A1 (en) | 2007-05-24 |
IL191541A (en) | 2012-03-29 |
CA2630371C (en) | 2011-07-26 |
EP1954433A1 (en) | 2008-08-13 |
BRPI0618836A2 (pt) | 2011-09-13 |
RU2008125072A (ru) | 2009-12-27 |
IL191541A0 (en) | 2008-12-29 |
KR100754056B1 (ko) | 2007-08-31 |
US8961074B2 (en) | 2015-02-24 |
WO2007058513A1 (en) | 2007-05-24 |
CN101312803A (zh) | 2008-11-26 |
KR20070053435A (ko) | 2007-05-25 |
JP2009516600A (ja) | 2009-04-23 |
ZA200804598B (en) | 2009-11-25 |
AU2006316278B2 (en) | 2010-04-22 |
AU2006316278A1 (en) | 2007-05-24 |
US20090148245A1 (en) | 2009-06-11 |
JP4867992B2 (ja) | 2012-02-01 |
RU2401723C2 (ru) | 2010-10-20 |
EP1954433A4 (en) | 2012-04-18 |
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