WO2012058863A1 - Compound-positioning and compound-cutting centering spiral cutter - Google Patents

Compound-positioning and compound-cutting centering spiral cutter Download PDF

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Publication number
WO2012058863A1
WO2012058863A1 PCT/CN2011/001823 CN2011001823W WO2012058863A1 WO 2012058863 A1 WO2012058863 A1 WO 2012058863A1 CN 2011001823 W CN2011001823 W CN 2011001823W WO 2012058863 A1 WO2012058863 A1 WO 2012058863A1
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WO
WIPO (PCT)
Prior art keywords
cutting
spiral
edge
composite
positioning
Prior art date
Application number
PCT/CN2011/001823
Other languages
French (fr)
Chinese (zh)
Inventor
李仕清
Original Assignee
Li Shiqing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Shiqing filed Critical Li Shiqing
Publication of WO2012058863A1 publication Critical patent/WO2012058863A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point

Definitions

  • the present invention relates to a centering spiral cutter for composite positioning composite cutting, which is used in drilling machine processing and fitter maintenance.
  • the twist drill used in machining consists of a chisel edge, a cutting edge, a helical secondary edge, and a side edge.
  • the cutting edge and the secondary edge have a single structure, and the centering structure is poor.
  • These twist drills are extremely durable, especially in drilling. (Milling)
  • a workpiece with a high hardness is cut, a large amount of heat is easily generated, which causes the hardness of the cutter head to decrease, causing wear of the cutter head, and the cutter head also has a defect that is easy to break, and, because the cutting edges on both sides of the cutter head are
  • the work is symmetrical, and the cutting amount is generally only tens of microns to 1 mm, so it is difficult to grasp the angle and height during manual grinding.
  • the precision of these twist drills and the processed holes is unacceptable. There is a waste product, and at the same time, when processing a thin workpiece, there is a problem that the workpiece is brought up to cause an industrial accident.
  • the present invention has been made in view of the above problems, and aims to provide a new type of centering and spiral cutting tool for composite positioning composite cutting, which has high heat dissipation efficiency, high strength, long service life, and easy positioning during drilling processing. .
  • a centering and helical cutting tool for composite positioning combined cutting comprising a tool head, wherein the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the helical cutting edge is cut a spiral auxiliary cutting surface is formed on the outer side of the blade, and a spiral cutting surface having at least one first protrusion is formed on the spiral cutting surface of the spiral auxiliary cutting edge toward the front in the cutting direction, which is a composite spiral positioning table or at least one inner side
  • the outermost helical cutting surface of the composite helical cutting edge is a spiral heat dissipating surface, a helical sub-cutting edge and a spiral cooling surface or a spiral cutting surface or a spiral positioning table or a composite spiral positioning table and at least one inner convex composite spiral pair cutting a blade, a cutting edge extending to the tip end formed with a slitting edge or a positioning slitting edge or a composite positioning slitting blade formed with a flat blade,
  • a centering and helical cutting tool for composite positioning combined cutting comprising a tool head, wherein the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the helical cutting edge is cut a spiral auxiliary cutting surface is formed on the outer side of the blade, and a spiral cutting surface having at least one first protrusion is formed on the spiral cutting surface of the spiral auxiliary cutting edge toward the front in the cutting direction, which is a composite spiral positioning table or at least one inner side Composite spiral secondary cutting edge, the outermost helical cutting surface is a spiral heat dissipation surface, and extends to the top cutting edge replacement page (Article 26)
  • a positioning slitting edge or a composite positioning slitting edge and a side edge or a composite positioning side edge are formed thereon, and a drill point is arranged at a center position of the tip end of the cutter head, and a center of the drill tip is provided with a tip without a chisel edge or with
  • a centering and helical cutting tool for composite positioning combined cutting comprising a tool head, wherein the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the helical cutting edge is cut a spiral auxiliary cutting surface is formed on the outer side of the blade, and a spiral cutting surface having at least one primary projection is formed on the spiral cutting surface of the spiral auxiliary cutting edge toward the cutting direction, which is a composite spiral positioning table and at least one inner side
  • the composite spiral cutting edge, the outermost spiral cutting surface is a spiral heat dissipating surface, and the cutting edge extending to the top end is formed with a positioning slitting edge or a composite positioning slitting edge and a side edge or a composite positioning side edge in the cutter head
  • the spiral positioning table and the composite spiral cutting surface formed by the convex portion of the axial center portion and the composite spiral cutting edge extend to intersect the top end and the rear cutting surface to form a positioning cutting edge or a composite positioning cutting edge, the
  • the cutting edge or the cutting edge of the centering spiral cutting tool of the composite positioning composite cutting is formed with at least one composite groove edge which is overlapped on the notch edge or the notch edge and extends toward the rear cutting face or
  • the enlarged extension is formed with at least one groove or a composite groove.
  • the spiral cutting surface or the spiral heat dissipating surface or the spiral positioning surface of the centering and helical cutting tool of the composite positioning composite cutting intersects the rear cutting surface to form at least one primary cutting edge or a positioning cutting edge.
  • the positioning and cutting edge of the top end of the inner side of the cutter head of the centering and spiral cutting tool of the composite positioning composite cutting is extended to the shank to form a spiral positioning table.
  • the angle of the cutting edge or the cutting edge intersecting the helical minor cutting edge of the helical cutting surface of the centering spiral cutter of the composite positioning composite cutting is ⁇ 1 ⁇ 2 angle ⁇ Corner ⁇ ⁇ 3 ⁇ 4 angle ⁇
  • the top end of the plurality of spiral strips integrally provided by the cutter head of the centering helical cutter of the composite positioning composite cutting is coupled with the cutting insert as described above.
  • the composite positioning composite cutting centering helical cutter is characterized in that a projection of each of the spiral strips is convexly formed from a position of the tool axis toward an outer helical cutting edge.
  • the rear surface of the composite positioning composite cutting centering spiral cutter is formed with at least one groove intersecting the front cutting surface or the spiral heat sink or the spiral positioning table to form at least one notch edge, the groove
  • the bottom shape and the bottom shape of the notch are of any shape.
  • the cutting face or the spiral heat radiating surface or the front cutting face of the centering composite cutting of the composite positioning composite cutting intersects the rear cutting face to form at least a primary cutting edge or a positioning cutting edge.
  • the raised cutting edge or the drill tip of the centering spiral cutter of the composite positioning composite cutting A positioning slit is formed on the cutting edge and extends toward the shank to form a spiral positioning table.
  • the composite positioning composite cutting centering spiral cutter has at least one primary positioning cutting edge formed on the drill tip, at least one primary spiral positioning table and at least one primary spiral secondary cutting edge.
  • the cutting edge of the composite positioning composite cutting centering helical cutter is a straight edge or a concave edge or an inverted trapezoidal edge or a triangular blade or a square edge blade is formed with a cutting edge and a small side edge.
  • the angle between the cutting edge or the cutting edge intersecting the helical minor cutting edge at the outermost side of the centering helical cutter of the composite positioning composite cutting is an acute angle or a right angle or an obtuse angle.
  • At least two stages of helical minor cutting edges are formed on the helical cutting face.
  • a split cutting edge and a composite positioning small side edge of the composite cutting are formed on the cutting edge.
  • the angle between the split cutting edge formed on the outer front cutting edge and the outer helical minor cutting edge of the composite positioning small side edge is an acute angle or a right angle or an obtuse angle.
  • the spiral strip is at least one.
  • the friction between the side cutting edge and the helical secondary cutting surface is reduced by the setting of the dividing edge and the small side edge or the positioning cutting edge to extend the life of the tool, through the setting of the top or chisel edge and the centering cutting edge or S blade Effectively improve the stability of the tool, by the spiral heat dissipating surface provided on the spiral cutting surface of the tool head, or the convex spiral cutting surface, or the convex spiral positioning table and the inner convex spiral cutting edge, and Cutting edge or positioning 1 flat blade formed on the cutting edge, or 2 stepped edge or 3 notch edge which gradually decreases to the outside, or 4 composite notch edge which overlaps with the notch edge, or with the cutter head shaft 5 beveled edges with an included angle to the centerline or helical minor cutting edge, or 6 composite beveled edges with a certain angle to the beveled edge, or 1 flat or 2 stepped edge or 3 notched or 4 composite notch or The combination of 1 to 6 types of 5 slanted edges or 6 composite slanted
  • Fig. 1 is a schematic view of a cutter according to a first embodiment of the present invention.
  • Fig. 2 is a schematic view of a cutter according to a second embodiment of the present invention.
  • Figure 3 is a schematic view of a cutter of a third embodiment of the present invention.
  • Fig. 4 is a schematic view of a cutter according to a fourth embodiment of the present invention.
  • Fig. 5 is a schematic view of a cutter according to a fifth embodiment of the present invention.
  • Embodiments 1-5 there are mainly two spiral strips. The tool is described as an example.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1 :
  • the centering and helical cutting tool of the composite positioning composite cutting includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction
  • the spiral cutting face 19, the top back side of the spiral cutting face 19 is the rear cutting face 20
  • the outermost side of the spiral strip is the helical minor cutting face 16, and the top side edge 10
  • the helical minor cutting face 16 and the helical cutting face 19 A helical minor cutting edge 12 is formed between them, a composite helical cutting surface 11 on the inner side, a composite helical cutting edge 13 , an outermost helical cutting surface, that is, a heat dissipation surface 22 , a helical secondary cutting surface 16 and a rear cutting surface 20 .
  • the intersection is formed with a side edge 10, the spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9 which intersects with the composite positioning table 11 to form a composite side edge 17.
  • the rear cutting face 20 has a groove 21 intersecting the cutting face 19 to form a notch edge 14.
  • the bottom of the notch edge 14 may be trapezoidal, curved, triangular, square, and any shape.
  • the centering protrusion of the centering spiral cutter of the combined compound cutting is provided with a drill tip, and the tip of the drill tip is a tip or a chisel edge 1, and a fixed cutting surface 23, a top or a transverse blade 1 are disposed on both sides thereof.
  • Each side has a certain centring cutting edge 2, the outer side of the centering cutting edge 2 is a positioning cutting edge 3, a composite spiral positioning table 24 and a composite side edge 4, and a positioning cutting edge 5 and a positioning sub cutting edge 6, before the drill point
  • the frictional force of the side edge 10 and the helical secondary cutting surface 16 is reduced to extend the service life of the tool through the tip or chisel edge 1
  • the setting of the S-edge formed by the centering cutting edge 2 or the positioning cutting edge 3 effectively improves the stability of the tool and ensures the processing quality and precision of the workpiece.
  • the cutter since the drill tip is provided at the center top of the cutter head 18, the cutter has excellent stability, and the cutter is reduced in cutting the steel sheet by providing a notch on the cutting edge.
  • the cutting strength of the tool head 18 is also formed along the spiral sub-cutting edge 12, and the composite positioning table 11 is formed in the front portion of the composite positioning table 11 in the cutting direction. Therefore, the conventional cutting blade 13 is formed.
  • a new composite helical secondary cutting edge 13 is added, so that it can work with two secondary cutting edges, thereby being able to decompose the cutting force of the secondary cutting edge, reducing the frictional strength of the secondary cutting edge, and making the frictional heat
  • the amount of production is reduced, and the heat dissipation area of the tool head is increased, the tool head temperature is lowered, the tool life is extended, and high strength is maintained throughout the process.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the centering and helical cutting tool of the composite positioning composite cutting includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction
  • the spiral cutting face 19, the top back side of the spiral cutting face 19 is the rear cutting face 20, the outermost side of the spiral strip is the helical minor cutting face 16, and the top
  • the side edge 10, the helical auxiliary cutting surface 16 and the helical cutting surface 19 are formed with a helical minor cutting edge 12, a helical positioning table 11, a composite helical secondary cutting edge 13, a heat dissipating surface 22, a helical secondary cutting surface 16 and a rear cutting surface.
  • the rear cutting surface 20 intersects to form a side edge 10
  • the spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8
  • the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9, which intersects with the composite positioning table 11 to form a composite side
  • the blade 17, the rear cutting surface 20 has a groove 21 intersecting the spiral cutting surface 19 to form a notch edge 14, the bottom of the notch edge 14 may be trapezoidal, curved, triangular, square and any shape, composite positioning composite cutting
  • the center of the centering of the centering spiral cutter is provided with a drill tip, the tip of the drill tip is a top or a chisel edge 1, and a fixed cutting surface 23 is disposed on each side of the centering spiral cutter, and the top or the side of the chisel edge 1 has a certain
  • the centring cutting edge 2, the outer side of the centering cutting edge 2 is a positioning cutting edge 3, the positioning table 24 and the small side edge 4, and the
  • the frictional force of the side edge 10 and the helical secondary cutting surface, ie, the helical secondary cutting surface 16, is reduced, extending the service life of the tool through the tip or chisel edge 1
  • the setting of the S-edge formed by the centering cutting edge 2 or the positioning cutting edge 3 effectively improves the stability of the tool and ensures the processing quality and precision of the workpiece.
  • the drill head is provided with a drill tip at the center top of the cutter head 18, the cutter has excellent stability, and at least one spiral cut is formed by being provided with a notch on the cutting edge.
  • a new composite helical secondary cutting edge 13 is added to the conventional cutting head, thereby enabling two
  • the auxiliary cutting edge works to decompose the cutting force of the auxiliary cutting edge, reduce the frictional strength of the secondary cutting edge, reduce the amount of frictional heat generation, and increase the heat dissipation area of the tool head, reduce the temperature of the tool head, and use the tool. Long life and high strength throughout the process.
  • the applicable range of the tool of the present invention can be expanded, and it can be applied to the processing of a plurality of uneven workpieces, and the cutter head can be effectively prevented from collapsing.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the centering and helical cutting tool of the composite positioning composite cutting includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction In the spiral cutting surface 19, the top back side of the spiral cutting surface 19 is the rear cutting surface 20, the outermost side surface of the spiral strip is the helical auxiliary cutting surface 16, and the spiral auxiliary cutting surface 16 and the outermost spiral cutting surface 19 are formed.
  • the spiral minor cutting edge 12, the inner convex spiral auxiliary cutting surface, that is, the composite positioning table 11, the composite spiral auxiliary cutting edge 13, the outermost spiral cutting surface, that is, the heat radiating surface 22, the helical auxiliary cutting surface 16 and the rear cutting surface 20 The intersection is formed with a side edge 10, the spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9, which intersects with the composite positioning table 11 to form a composite side edge 17.
  • the rear cutting face 20 has a groove 21 intersecting the cutting face 19 to form a notch edge 14.
  • the bottom of the lip 14 can be trapezoidal, curved, triangular, square and any other shape.
  • the center of the center of the composite positioning of the composite cutting core is provided with a drill tip, and the tip of the drill tip is a tip or a chisel edge. 1 , a fixed cutting surface 23 is arranged on each side of the core, and a cutting edge 2 is arranged on both sides of the top or the horizontal edge 1 , and the outer side of the centering cutting edge 2 is a positioning cutting edge 3 , and the positioning cutting edge 6 is positioned , cutting edge 8.
  • the slitting blade 9 is machined into the groove 21, in the structure of the first and second embodiments, A portion of the notch 14 is formed such that the center of the drill tip is disposed parallel to the outer edge 10 or has a slight angle 1 so that the positioning cutting edge 3 and the centering cutting edge 2 and the chisel edge 1 on both sides form a S
  • the edge lengthens the sum of the cutting edges and makes the centering cutting edge 2 reduce the force of the positioning cutting edge 3, which improves the stability of the tool and prolongs the service life of the tool head.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the centering and helical cutting tool of the composite positioning composite cutting includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction
  • the spiral cutting face 19, the top back side of the spiral cutting face 19 is the rear cutting face 20, the outermost side of the spiral strip is the screw table 16, and the top side edge 10, between the helical minor cutting face 16 and the helical cutting face 19.
  • the spiral minor cutting edge 12 is formed, the inner helical cutting surface is the composite positioning table 11, the composite helical secondary cutting edge 13, the outermost spiral cutting surface is the heat radiating surface 22, and the helical secondary cutting surface 16 intersects with the rear cutting surface 20 to form There is a side edge 10, the spiral cutting surface 19 intersects the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9 which intersects with the composite positioning table 11 to form a composite side edge 17, The rear cutting face 20 intersects the helical cutting face 19 to form a flat cutting edge 8.
  • the center of the center of the centering of the composite positioning composite cutting tool has a drill tip and a tip of the drill tip.
  • the top or the transverse edge 1 is provided with a certain cutting surface 23 on each side thereof, and each side of the top or the horizontal edge 1 has a certain centring cutting edge 2, and the outer side of the centering cutting edge 2 is a positioning cutting edge 3,
  • the positioning table 24 and the small side edge 4 and the positioning cutting edge 5 and the positioning minor cutting edge 6, the composite positioning auxiliary cutting edge 7 and the cutting edge 8 which are convex at the front end of the drill point.
  • the cutting edge 8 is a straight straight edge.
  • the cutting edge 8 is provided with an inner composite positioning screw table 24 and an outer spiral heat sink 11 on the upper and outer spiral tables, thereby improving the cutting efficiency and stability of the tool head and prolonging the service life of the tool head.
  • the cutting edge is a constant edge
  • the platform is processed on the workpiece and the efficiency can be greatly improved and the service life of the tool head can be prolonged.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the centering and helical cutting tool of the composite positioning composite cutting includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction In the spiral cutting surface 19, the top back side of the spiral cutting surface 19 is the rear cutting surface 20, the outermost side of the spiral strip is the helical auxiliary cutting surface 16, and the spiral auxiliary cutting surface 16 and the outermost spiral cutting surface 19 are formed.
  • the spiral auxiliary cutting edge 12, the inner convex spiral auxiliary cutting surface, that is, the composite positioning table 11, the composite spiral auxiliary cutting edge 13, the outermost spiral cutting surface, that is, the heat dissipating surface 22, and the spiral auxiliary cutting surface 16 and the rear cutting surface 20 intersect to form
  • There is a side edge 10 a spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8
  • a rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9 which intersects with the composite positioning table 11 to form a composite side edge 17,
  • the rear cutting face 20 has a groove 21 intersecting the cutting face 19 to form a notch edge 14. Since the notch edge 14 is extended to the side edge 10, the cutting edge 9 is also part of the notch edge 14.
  • the bottom of the notch 14 can be trapezoidal, curved, triangular, square and any other shape.
  • the center of the centering of the composite positioning composite cutting tool has a drill tip, and the tip of the drill tip is top or horizontal.
  • the blade 1 is provided with a certain core cutting surface 23 on each side thereof, and each side of the top or side edge 1 has a certain centring cutting edge 2.
  • the centering and helical cutting tool of the composite positioning composite cutting of the fifth embodiment in the structure of the first four embodiment, the cutting edge 9 is machined into the groove 21 on the outer side of the cutting edge 8 of each spiral strip, A portion of the notch 14 having a center of the drill tip disposed parallel to the outer edge 10 or having a slight angle 1 forms a S-edge of the centering slitting edge 2 and the chisel edge 1 on both sides, extending each The sum of the cutting edges reduces the force applied to the centering cutting edge 2, which improves the stability of the tool and prolongs the service life of the tool head.
  • Embodiments 1 to 4 since the drill tip is formed as a ring-shaped iron filing, a tapered surface left after drilling on the workpiece facilitates the positioning of the tool head. Since the head has a spiral heat sink formed on the outer side, a cutting edge is formed on the cutting edge to decompose the resistance of the tool head during cutting, and the cutting effect of the tool head is maintained. The rate increases the service life of the tool head and maintains high strength and improves work efficiency during drilling.
  • the tool shank of the present embodiment can adopt the same configuration as that of the first embodiment, and thus the description thereof will be omitted.
  • the cutter of the present invention may have a plurality of spiral strips, and the cutting edge of each spiral strip may adopt a flat edge as described above or an outer height. a progressively lowering 2 stepped edge, or a 3 notch, or a 4 composite notch that overlaps the notch edge, or a 5 beveled edge that is at an angle to the axial centerline or helical secondary cutting edge of the tool head, or a 6-blade beveled edge with a certain angle of the beveled edge, or 1 to 6 of 1 flat blade or 2 stepped edge or 3 notch edge or 4 composite notch blade or 5 beveled edge or 6 compound beveled edge
  • the combined blade of the method is implemented. As shown in Fig. 5, a centering spiral cutter having a composite positioning composite cutting with a triangular drill tip is shown, and each of the spiral heat sinks and the centering cutting edge structure are the same as those of the embodiment 1-4.

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  • Mechanical Engineering (AREA)
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Abstract

A compound-positioning and compound-cutting centering spiral cutter, comprising a cutter tip (18), the cutting tip being integrally provided with a plurality of spiral strips. A spiral auxiliary cutting edge (12) is provided on each spiral strip; a spiral platform is formed along the outside of the spiral auxiliary cutting edge (12); a spiral heat dissipation surface (22), a spiral heat dissipation platform and a second spiral auxiliary cutting edge are formed on the cutting surface of the spiral auxiliary cutting edge (12) facing the forward part of the cutting direction; a splitting edge and a small side cutting edge are formed on the cutting edge that extends to the top end; a drill tip is protrusively arranged in the center of the top of the cutter tip; a tip or a chisel edge (1) parallel to or forms a very small angle with the outside side edge of the cutter is arranged at the center of the drill tip; and a centering splitting edge (2) forming an obtuse angle with the cutting edge of the cutting surface is formed on the outer side of the tip or the chisel edge (1).

Description

一种复合定位复合切削的定心螺旋刀具  Centering spiral cutter with composite positioning composite cutting
技术领域- 本发明涉及一种复合定位复合切削的定心螺旋刀具，该复合定位 复合切削的定心螺旋刀具用于钻床加工及钳工维修中。  TECHNICAL FIELD The present invention relates to a centering spiral cutter for composite positioning composite cutting, which is used in drilling machine processing and fitter maintenance.
背景技术：  Background technique:
目前， 机械加工中使用的麻花钻由横刃， 切削刃， 螺旋副刃， 侧 刃构成， 切削刃和副刃大致呈单一的结构， 定心结构差， 这些麻花 钻极不耐用， 尤其在钻（銑）削硬度较高的工件时容易产生大量的热， 导致刀头的硬度降低， 造成刀头的磨损， 同时该刀头还存在易折断的 缺陷，而且， 由于刀头两边的切削刃在工作时是对称的， 而切削量一 般仅为数十微米至 1毫米左右，所以在人工修磨时很难掌握角度和高 度，另外， 这些麻花钻及所加工的孔的精度不合格， 极易出现废品， 同时， 在加工较薄的工件时还存在将工件带起造成工伤事故的问题。  At present, the twist drill used in machining consists of a chisel edge, a cutting edge, a helical secondary edge, and a side edge. The cutting edge and the secondary edge have a single structure, and the centering structure is poor. These twist drills are extremely durable, especially in drilling. (Milling) When a workpiece with a high hardness is cut, a large amount of heat is easily generated, which causes the hardness of the cutter head to decrease, causing wear of the cutter head, and the cutter head also has a defect that is easy to break, and, because the cutting edges on both sides of the cutter head are The work is symmetrical, and the cutting amount is generally only tens of microns to 1 mm, so it is difficult to grasp the angle and height during manual grinding. In addition, the precision of these twist drills and the processed holes is unacceptable. There is a waste product, and at the same time, when processing a thin workpiece, there is a problem that the workpiece is brought up to cause an industrial accident.
发明内容：  Summary of the invention:
本发明就是鉴于上述的问题而提出的， 以提供一种新型的复合定 位复合切削的定心螺旋刀具为目的， 该种刀具散热效率高， 强度大， 寿命长， 且在钻削加工时容易定位。  The present invention has been made in view of the above problems, and aims to provide a new type of centering and spiral cutting tool for composite positioning composite cutting, which has high heat dissipation efficiency, high strength, long service life, and easy positioning during drilling processing. .
为达到上述目的， 本发明采用下述技术方案：  In order to achieve the above object, the present invention adopts the following technical solutions:
一种复合定位复合切削的定心螺旋刀具， 包括刀具头， 其特征在 于，刀具头一体地设置有至少一个螺旋条， 在每个螺旋条上具有一螺 旋副切削刃， 沿着该螺旋副切削刃的外侧形成有螺旋副切削面， 在该 螺旋副切削刃的朝向切削方向前部的螺旋切削面上形成有至少一级 凸起的螺旋切削面， 为复合螺旋定位台或至少一级的内侧复合螺旋副 切削刃 最外侧的螺旋切削面为螺旋散热面， 螺旋副切削刃和螺旋散 热面或螺旋切削面或螺旋定位台或复合螺旋定位台和至少一级的内 侧凸起的复合螺旋副切削刃，延伸至顶端的切削刃上形成有分切刃或 定位分切刃或复合定位分切刃上形成有 1平刃，或向外侧高度逐渐降 低的 2阶梯刃， 或 3凹口刃， 或与凹口刃重叠设置的 4复合凹口刃， 或与刀具头轴向中心线或螺旋副切削刃有夹角的 5斜刃，或与斜刃有 一定夹角的 6复合斜刃，或 1平刃或 2阶梯刃或 3凹口刃或 4复合凹 口刃或 5斜刃或 6复合斜刃中的 1种至 6种的多种方式的组合刃。  A centering and helical cutting tool for composite positioning combined cutting, comprising a tool head, wherein the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the helical cutting edge is cut a spiral auxiliary cutting surface is formed on the outer side of the blade, and a spiral cutting surface having at least one first protrusion is formed on the spiral cutting surface of the spiral auxiliary cutting edge toward the front in the cutting direction, which is a composite spiral positioning table or at least one inner side The outermost helical cutting surface of the composite helical cutting edge is a spiral heat dissipating surface, a helical sub-cutting edge and a spiral cooling surface or a spiral cutting surface or a spiral positioning table or a composite spiral positioning table and at least one inner convex composite spiral pair cutting a blade, a cutting edge extending to the tip end formed with a slitting edge or a positioning slitting edge or a composite positioning slitting blade formed with a flat blade, or a stepped edge that gradually decreases toward the outer side, or a 3 notch edge, or 4 composite notch with overlapping notch edge, or 5 oblique edge with angle between the axial centerline or helical minor cutting edge of the tool head, or with the inclined blade Angle 6 composite beveled edge, or 1 flat blade or 2 stepped edge or 3 notch edge or 4 composite notch blade or 5 beveled edge or 6 composite beveled edge of 1 to 6 combinations of multiple ways.
一种复合定位复合切削的定心螺旋刀具， 包括刀具头， 其特征在 于，刀具头一体地设置有至少一个螺旋条， 在每个螺旋条上具有一螺 旋副切削刃， 沿着该螺旋副切削刃的外侧形成有螺旋副切削面， 在该 螺旋副切削刃的朝向切削方向前部的螺旋切削面上形成有至少一级 凸起的螺旋切削面， 为复合螺旋定位台或至少一级的内侧复合螺旋副 切削刃，最外侧的螺旋切削面为螺旋散热面， 并延伸至顶端的切削刃 替换页 （细则第 26条) 上形成有定位分切刃或复合定位分切刃和侧刃或复合定位侧刃，在刀 具头顶端中心位置凸起的设置有一钻尖，钻尖的中心设置一无横刃的 顶尖或者与刀具外侧的侧刃平行或有夹角的横刃，顶尖或横刃外侧形 成有与螺旋切削面上的切削刃的夹角呈钝角的定心分切刃。 A centering and helical cutting tool for composite positioning combined cutting, comprising a tool head, wherein the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the helical cutting edge is cut a spiral auxiliary cutting surface is formed on the outer side of the blade, and a spiral cutting surface having at least one first protrusion is formed on the spiral cutting surface of the spiral auxiliary cutting edge toward the front in the cutting direction, which is a composite spiral positioning table or at least one inner side Composite spiral secondary cutting edge, the outermost helical cutting surface is a spiral heat dissipation surface, and extends to the top cutting edge replacement page (Article 26) A positioning slitting edge or a composite positioning slitting edge and a side edge or a composite positioning side edge are formed thereon, and a drill point is arranged at a center position of the tip end of the cutter head, and a center of the drill tip is provided with a tip without a chisel edge or with a cutter The outer side edges are parallel or have an angled transverse edge, and the outer side of the top or the lateral edge is formed with a centering slitting edge at an obtuse angle with the cutting edge on the helical cutting surface.
一种复合定位复合切削的定心螺旋刀具， 包括刀具头， 其特征在 于，刀具头一体地设置有至少一个螺旋条， 在每个螺旋条上具有一螺 旋副切削刃， 沿着该螺旋副切削刃的外侧形成有螺旋副切削面， 在该 螺旋副切削刃的朝向切削方向前部的螺旋切削面上形成有至少一级 凸起的螺旋切削面， 为复合螺旋定位台和至少一级的内侧复合螺旋副 切削刃，最外侧的螺旋切削面为螺旋散热面， 并延伸至顶端的切削刃 上形成有定位分切刃或复合定位分切刃和侧刃或复合定位侧刃，在刀 具头的轴向中心部位凸出地形成的螺旋定位台和复合螺旋切削面以及 复合螺旋副切削刃延伸至顶端与后切削面相交形成有定位分切刃或 复合定位分切刃，切削刃或定位分切刃或复合定位分切刃或与定心分 切刃或顶尖或横刃形成有 S刃。  A centering and helical cutting tool for composite positioning combined cutting, comprising a tool head, wherein the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the helical cutting edge is cut a spiral auxiliary cutting surface is formed on the outer side of the blade, and a spiral cutting surface having at least one primary projection is formed on the spiral cutting surface of the spiral auxiliary cutting edge toward the cutting direction, which is a composite spiral positioning table and at least one inner side The composite spiral cutting edge, the outermost spiral cutting surface is a spiral heat dissipating surface, and the cutting edge extending to the top end is formed with a positioning slitting edge or a composite positioning slitting edge and a side edge or a composite positioning side edge in the cutter head The spiral positioning table and the composite spiral cutting surface formed by the convex portion of the axial center portion and the composite spiral cutting edge extend to intersect the top end and the rear cutting surface to form a positioning cutting edge or a composite positioning cutting edge, the cutting edge or the positioning cutting The blade or composite positioning slitting edge or the S-blade is formed with the centering slitting edge or the tip or chisel edge.
优选地， 所述的复合定位复合切削的定心螺旋刀具的切削刃或分切 刃上形成有至少一个凹口刃或凹口刃上重叠设置的复合凹口刃，并向后切削面延 伸或放大状延伸形成有至少一个凹槽或复合凹槽。  Preferably, the cutting edge or the cutting edge of the centering spiral cutting tool of the composite positioning composite cutting is formed with at least one composite groove edge which is overlapped on the notch edge or the notch edge and extends toward the rear cutting face or The enlarged extension is formed with at least one groove or a composite groove.
优选地， 所述的复合定位复合切削的定心螺旋刀具的螺旋切削面或螺 旋散热面或螺旋定位台与后切削面相交形成至少一级分切刃或定位分切刃。  Preferably, the spiral cutting surface or the spiral heat dissipating surface or the spiral positioning surface of the centering and helical cutting tool of the composite positioning composite cutting intersects the rear cutting surface to form at least one primary cutting edge or a positioning cutting edge.
优选地， 所述的复合定位复合切削的定心螺旋刀具的刀具头内侧的顶 端的定位分切刃向钻柄延伸形成有螺旋定位台。  Preferably, the positioning and cutting edge of the top end of the inner side of the cutter head of the centering and spiral cutting tool of the composite positioning composite cutting is extended to the shank to form a spiral positioning table.
优选地， 所述的复合定位复合切削的定心螺旋刀具的螺旋切削面 上， 最外侧与螺旋副切削刃相交的切削刃或分切刃与螺旋副切削刃的夹角 为 ί ½角^^ 角^^ ^¾角 ο Preferably, the angle of the cutting edge or the cutting edge intersecting the helical minor cutting edge of the helical cutting surface of the centering spiral cutter of the composite positioning composite cutting is ί 1⁄2 angle ^^ Corner ^^ ^3⁄4 angle ο
优选地， 所述的复合定位复合切削的定心螺旋刀具的刀具头一体地 设置的多个螺旋条的顶端联接有如前所述的切削刀头。  Preferably, the top end of the plurality of spiral strips integrally provided by the cutter head of the centering helical cutter of the composite positioning composite cutting is coupled with the cutting insert as described above.
优选地， 所述的复合定位复合切削的定心螺旋刀具， 其特征在于， 在 每个螺旋条的钻尖上从刀具轴线的位置起朝向外侧的螺旋副切削刃的方向上 凸起地形成有至少一级螺旋切削面和至少一级螺旋定位台以及至少一级螺 旋副切削刃。  Preferably, the composite positioning composite cutting centering helical cutter is characterized in that a projection of each of the spiral strips is convexly formed from a position of the tool axis toward an outer helical cutting edge. At least one primary helical cutting surface and at least one primary helical positioning table and at least one primary helical secondary cutting edge.
优选地， 所述的复合定位复合切削的定心螺旋刀具的后切削面上形成 有至少一个凹槽与前切削面或螺旋散热台或螺旋定位台相交形成有至少一个凹 口刃， 凹槽的底部形状和凹口刃的底部形状为任意形状。  Preferably, the rear surface of the composite positioning composite cutting centering spiral cutter is formed with at least one groove intersecting the front cutting surface or the spiral heat sink or the spiral positioning table to form at least one notch edge, the groove The bottom shape and the bottom shape of the notch are of any shape.
优选地，所述的复合定位复合切削的定心螺旋刀具的切削面或螺旋散 热面或前切削面与后切削面相交形成至少一级分切刃或定位分切刃。  Preferably, the cutting face or the spiral heat radiating surface or the front cutting face of the centering composite cutting of the composite positioning composite cutting intersects the rear cutting face to form at least a primary cutting edge or a positioning cutting edge.
优选地， 所述的复合定位复合切削的定心螺旋刀具的凸起的切削刃或钻尖 上有定位分切刃并向钻柄延伸形成螺旋定位台。 Preferably, the raised cutting edge or the drill tip of the centering spiral cutter of the composite positioning composite cutting A positioning slit is formed on the cutting edge and extends toward the shank to form a spiral positioning table.
优选地， 所述的复合定位复合切削的定心螺旋刀具的钻尖上形成有至 少一级定位分切刃， 至少一级螺旋定位台和至少一级螺旋副切削刃。  Preferably, the composite positioning composite cutting centering spiral cutter has at least one primary positioning cutting edge formed on the drill tip, at least one primary spiral positioning table and at least one primary spiral secondary cutting edge.
优选地， 所述的复合定位复合切削的定心螺旋刀具的切削刃为直刃或 凹口刃或倒梯形刃或三角刃或方口刃上形成有分切刃和小侧刃。  Preferably, the cutting edge of the composite positioning composite cutting centering helical cutter is a straight edge or a concave edge or an inverted trapezoidal edge or a triangular blade or a square edge blade is formed with a cutting edge and a small side edge.
优选地，所述的复合定位复合切削的定心螺旋刀具最外侧与螺旋副切 削刃相交的切削刃或分切刃与螺旋副切削刃的夹角为锐角或直角或钝角。  Preferably, the angle between the cutting edge or the cutting edge intersecting the helical minor cutting edge at the outermost side of the centering helical cutter of the composite positioning composite cutting is an acute angle or a right angle or an obtuse angle.
优选地， 在螺旋切削面上形成有至少两级螺旋副切削刃。  Preferably, at least two stages of helical minor cutting edges are formed on the helical cutting face.
优选地，在所述切削刃上形成有复合切削的分切刃和复合定位小 侧刃。  Preferably, a split cutting edge and a composite positioning small side edge of the composite cutting are formed on the cutting edge.
优选地，在所述外侧前切削刃上形成的复合切削的分切刃和复合 定位小侧刃外侧螺旋副切削刃的夹角为一锐角或直角或钝角。  Preferably, the angle between the split cutting edge formed on the outer front cutting edge and the outer helical minor cutting edge of the composite positioning small side edge is an acute angle or a right angle or an obtuse angle.
优选地， 所述螺旋条至少为 1个。  Preferably, the spiral strip is at least one.
有益效果：  Beneficial effects:
通过分切刃和小侧刃或定位分切刃的设置减少了侧刃和螺旋副 切削面的摩擦力延长了刀具的使用寿命，通过顶尖或横刃和定心分切 刃或 S 刃的设置有效提高了刀具的稳定性， 通过在刀具头的螺旋切削 面上设置的螺旋散热面， 或凸起的螺旋切削面， 或凸起的螺旋定位台 和内侧凸起的螺旋副切削刃，以及分切刃或定位分切刃上形成的 1 平 刃， 或向外侧高度逐渐降低的 2阶梯刃， 或 3凹口刃， 或与凹口刃重 叠设置的 4复合凹口刃，或与刀具头轴向中心线或螺旋副切削刃有夹 角的 5斜刃， 或与斜刃有一定夹角的 6复合斜刃， 或 1平刃或 2阶梯 刃或 3 凹口刃或 4复合凹口刃或 5斜刃或 6复合斜刃中的 1种至 6 种的多种方式的组合刃扩大了复合定位复合切削的定心螺旋刀具的 使用范围提高了刀具头的工作效率和使用寿命，保证了对工件的加工 质量和精度， 提高了操作者的安全保障。  The friction between the side cutting edge and the helical secondary cutting surface is reduced by the setting of the dividing edge and the small side edge or the positioning cutting edge to extend the life of the tool, through the setting of the top or chisel edge and the centering cutting edge or S blade Effectively improve the stability of the tool, by the spiral heat dissipating surface provided on the spiral cutting surface of the tool head, or the convex spiral cutting surface, or the convex spiral positioning table and the inner convex spiral cutting edge, and Cutting edge or positioning 1 flat blade formed on the cutting edge, or 2 stepped edge or 3 notch edge which gradually decreases to the outside, or 4 composite notch edge which overlaps with the notch edge, or with the cutter head shaft 5 beveled edges with an included angle to the centerline or helical minor cutting edge, or 6 composite beveled edges with a certain angle to the beveled edge, or 1 flat or 2 stepped edge or 3 notched or 4 composite notch or The combination of 1 to 6 types of 5 slanted edges or 6 composite slanted edges expands the range of use of the centering spiral cutter for composite positioning composite cutting, which improves the working efficiency and service life of the tool head, ensuring the right The quality and precision of the workpiece, Increased operator safety.
附图说明：  BRIEF DESCRIPTION OF THE DRAWINGS:
本发明的技术方案和优点将通过结合附图进行详细的说明，在该 附图中：  The technical solutions and advantages of the present invention will be described in detail with reference to the accompanying drawings in which:
图 1 是本发明的第一实施方式的刀具的示意图。  Fig. 1 is a schematic view of a cutter according to a first embodiment of the present invention.
图 2是本发明的第二实施方式的刀具的示意图。  Fig. 2 is a schematic view of a cutter according to a second embodiment of the present invention.
图 3是本发明的第三实施方式的刀具的示意图  Figure 3 is a schematic view of a cutter of a third embodiment of the present invention
图 4是本发明的第四实施方式的刀具的示意图。  Fig. 4 is a schematic view of a cutter according to a fourth embodiment of the present invention.
图 5是本发明的第五实施方式的刀具的示意图。  Fig. 5 is a schematic view of a cutter according to a fifth embodiment of the present invention.
具体实施方式：  detailed description:
下面将结合附图详细地说明本发明的复合定位复合切削的定心 螺旋刀具的优选实施方式， 在实施方式 1-5中主要以具有两个螺旋条 的刀具为例进行说明。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the centering and helical cutting tool of the composite positioning composite cutting of the present invention will be described in detail with reference to the accompanying drawings. In Embodiments 1-5, there are mainly two spiral strips. The tool is described as an example.
实施方式 1 :  Embodiment 1 :
如图 1所示，本发明的第一实施方式的复合定位复合切削的定心 螺旋刀具， 包括刀具头 18， 刀具头 18—体地设置有两个螺旋条， 螺 旋条的朝向切削方向的面为螺旋切削面 19， 螺旋切削面 19的顶部背 面侧为后切削面 20 , 螺旋条的最外侧面为螺旋副切削面 16， 和顶部 的侧刃 10 , 螺旋副切削面 16与螺旋切削面 19之间形成有螺旋副切 削刃 12， 内侧的螺旋副切削面即复合定位台 11， 复合螺旋副切削刃 13 , 最外侧的螺旋切削面即散热面 22， 螺旋副切削面 16与后切削面 20相交形成有侧刃 10， 螺旋切削面 19与后切削面 20相交形成有切 削刃 8, 后切削面 20与散热面 22相交形成有分切刃 9， 与复合定位 台 11相交形成有复合侧刃 17，后切削面 20上有凹槽 21与切削面 19 相交形成有凹口刃 14， 该凹口刃 14的底部可以是梯形， 弧形， 三角 形， 方形以及任意形状， 复合定位复合切削的定心螺旋刀具的顶端中 心凸起的设置有一钻尖， 钻尖的尖部为顶尖或横刃 1 , 其两侧各设置 一定心切削面 23， 顶尖或横刃 1 的两侧各有一定心分切刃 2， 定心 分切刃 2 的外侧为定位分切刃 3， 复合螺旋定位台 24和复合侧刃 4以及定位 切削刃 5和定位副切削刃 6， 钻尖前部凸起的复合定位螺旋副切削刃 7， 切削刃 8。  As shown in FIG. 1, the centering and helical cutting tool of the composite positioning composite cutting according to the first embodiment of the present invention includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction The spiral cutting face 19, the top back side of the spiral cutting face 19 is the rear cutting face 20, the outermost side of the spiral strip is the helical minor cutting face 16, and the top side edge 10, the helical minor cutting face 16 and the helical cutting face 19 A helical minor cutting edge 12 is formed between them, a composite helical cutting surface 11 on the inner side, a composite helical cutting edge 13 , an outermost helical cutting surface, that is, a heat dissipation surface 22 , a helical secondary cutting surface 16 and a rear cutting surface 20 . The intersection is formed with a side edge 10, the spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9 which intersects with the composite positioning table 11 to form a composite side edge 17. The rear cutting face 20 has a groove 21 intersecting the cutting face 19 to form a notch edge 14. The bottom of the notch edge 14 may be trapezoidal, curved, triangular, square, and any shape. The centering protrusion of the centering spiral cutter of the combined compound cutting is provided with a drill tip, and the tip of the drill tip is a tip or a chisel edge 1, and a fixed cutting surface 23, a top or a transverse blade 1 are disposed on both sides thereof. Each side has a certain centring cutting edge 2, the outer side of the centering cutting edge 2 is a positioning cutting edge 3, a composite spiral positioning table 24 and a composite side edge 4, and a positioning cutting edge 5 and a positioning sub cutting edge 6, before the drill point The convex composite positioning helical auxiliary cutting edge 7, the cutting edge 8.
通过分切刃 9和小侧刃 4或复合侧刃 17或定位分切刃 3的设置 减少了侧刃 10和螺旋副切削面 16的摩擦力延长了刀具的使用寿命， 通过顶尖或横刃 1和定心分切刃 2或定位分切刃 3构成的 S刃的设置 有效提高了刀具的稳定性， 保证了对工件的加工质量和精度。  By the arrangement of the slitting edge 9 and the small side edge 4 or the composite side edge 17 or the positioning slitting edge 3, the frictional force of the side edge 10 and the helical secondary cutting surface 16 is reduced to extend the service life of the tool through the tip or chisel edge 1 The setting of the S-edge formed by the centering cutting edge 2 or the positioning cutting edge 3 effectively improves the stability of the tool and ensures the processing quality and precision of the workpiece.
根据上述结构， 由于在刀具头 18的中心顶部凸起的设置有一钻 尖因此该刀具具有很好的稳定性，又由于在切削刃上设置有凹口刃使 得该刀具在切削薄钢板时减小了刀具头 18的切削强度， 沿着螺旋副 切削刃 12形成也复合定位台 11 , 并且在该复合定位台 11 的朝向切 削方向的前部形成有复合螺旋副切削刃 13， 所以与以往的刀头相比， 又增加了一条新的复合螺旋副切削刃 13， 由此可以以两条副切削刃 进行工作， 从而能够分解副切削刃的切削力， 降低副切削刃的摩擦强 度， 使摩擦热产生量减小， 同时还能够增加刀具头的散热面积， 降低 刀具头温度，使刀具使用寿命延长，并在加工过程中一直保持高强度。  According to the above configuration, since the drill tip is provided at the center top of the cutter head 18, the cutter has excellent stability, and the cutter is reduced in cutting the steel sheet by providing a notch on the cutting edge. The cutting strength of the tool head 18 is also formed along the spiral sub-cutting edge 12, and the composite positioning table 11 is formed in the front portion of the composite positioning table 11 in the cutting direction. Therefore, the conventional cutting blade 13 is formed. Compared with the head, a new composite helical secondary cutting edge 13 is added, so that it can work with two secondary cutting edges, thereby being able to decompose the cutting force of the secondary cutting edge, reducing the frictional strength of the secondary cutting edge, and making the frictional heat The amount of production is reduced, and the heat dissipation area of the tool head is increased, the tool head temperature is lowered, the tool life is extended, and high strength is maintained throughout the process.
实施方式 2 :  Embodiment 2:
如图 2所示，本发明的第一实施方式的复合定位复合切削的定心 螺旋刀具， 包括刀具头 18， 刀具头 18—体地设置有两个螺旋条， 螺 旋条的朝向切削方向的面为螺旋切削面 19， 螺旋切削面 19的顶部背 面侧为后切削面 20， 螺旋条的最外侧面为螺旋副切削面 16， 和顶部 的侧刃 10， 螺旋副切削面 16与螺旋切削面 19之间形成有螺旋副切 削刃 12， 螺旋定位台 11， 复合螺旋副切削刃 13， 散热面 22， 螺旋副 切削面 16与后切削面 20相交形成有侧刃 10, 螺旋切削面 19与后切 削面 20相交形成有切削刃 8， 后切削面 20与散热面 22相交形成有 分切刃 9， 与复合定位台 11 相交形成有复合侧刃 17， 后切削面 20 上有凹槽 21与螺旋切削面 19相交形成有凹口刃 14 , 该凹口刃 14的 底部可以是梯形， 弧形， 三角形， 方形以及任意形状， 复合定位复合 切削的定心螺旋刀具的顶端中心凸起的设置有一钻尖，钻尖的尖部为 顶尖或横刃 1， 其两侧各设置一定心切削面 23， 顶尖或横刃 1 的两 侧各有一定心分切刃 2， 定心分切刃 2的外侧为定位分切刃 3，定位台 24 和小侧刃 4以及定位切削刃 5和定位副切削刃 6，钻尖前部凸起的复合定位 螺旋副切削刃 7， 前切削刃 8， 外侧的前切削刃 15。 As shown in FIG. 2, the centering and helical cutting tool of the composite positioning composite cutting according to the first embodiment of the present invention includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction The spiral cutting face 19, the top back side of the spiral cutting face 19 is the rear cutting face 20, the outermost side of the spiral strip is the helical minor cutting face 16, and the top The side edge 10, the helical auxiliary cutting surface 16 and the helical cutting surface 19 are formed with a helical minor cutting edge 12, a helical positioning table 11, a composite helical secondary cutting edge 13, a heat dissipating surface 22, a helical secondary cutting surface 16 and a rear cutting surface. 20 intersects to form a side edge 10, the spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9, which intersects with the composite positioning table 11 to form a composite side The blade 17, the rear cutting surface 20 has a groove 21 intersecting the spiral cutting surface 19 to form a notch edge 14, the bottom of the notch edge 14 may be trapezoidal, curved, triangular, square and any shape, composite positioning composite cutting The center of the centering of the centering spiral cutter is provided with a drill tip, the tip of the drill tip is a top or a chisel edge 1, and a fixed cutting surface 23 is disposed on each side of the centering spiral cutter, and the top or the side of the chisel edge 1 has a certain The centring cutting edge 2, the outer side of the centering cutting edge 2 is a positioning cutting edge 3, the positioning table 24 and the small side edge 4, and the positioning cutting edge 5 and the positioning minor cutting edge 6, the composite positioning of the front edge of the drill tip Spiral minor cutting edge 7, front cutting edge 8, outer front cutting Sharpening the blade 15.
通过分切刃 9和小侧刃 4或定位分切刃 3的设置减少了侧刃 10 和螺旋副切削面即螺旋副切削面 16 的摩擦力延长了刀具的使用寿 命，通过顶尖或横刃 1和定心分切刃 2或定位分切刃 3构成的 S刃的 设置有效提高了刀具的稳定性， 保证了对工件的加工质量和精度。  By the arrangement of the slitting edge 9 and the small side edge 4 or the positioning slitting edge 3, the frictional force of the side edge 10 and the helical secondary cutting surface, ie, the helical secondary cutting surface 16, is reduced, extending the service life of the tool through the tip or chisel edge 1 The setting of the S-edge formed by the centering cutting edge 2 or the positioning cutting edge 3 effectively improves the stability of the tool and ensures the processing quality and precision of the workpiece.
根据上述结构， 由于在刀具头 18的中心顶部凸起的设置有一钻 尖因此该刀具具有很好的稳定性，又由于在切削刃上设置有凹口向上 凸起地形成有至少一级螺旋切削面和至少一级螺旋定位台以及至少一级螺 旋副切削刃， 使得该刀具在切削薄钢板时减小了刀具头 18的切削强 度， 沿着螺旋副切削刃 12形成也复合定位台 11， 并且在该复合定位 台 11的朝向切削方向的前部形成有复合螺旋副切削刃 13， 所以与以 往的刀头相比， 又增加了一条新的复合螺旋副切削刃 13， 由此可以 以两条副切削刃进行工作， 从而能够分解副切削刃的切削力， 降低副 切削刃的摩擦强度， 使摩擦热产生量减小， 同时还能够增加刀具头的 散热面积， 降低刀具头温度， 使刀具使用寿命延长， 并在加工过程中 一直保持高强度。  According to the above configuration, since the drill head is provided with a drill tip at the center top of the cutter head 18, the cutter has excellent stability, and at least one spiral cut is formed by being provided with a notch on the cutting edge. a face and at least one stage of the spiral positioning table and at least one stage of the helical cutting edge, such that the tool reduces the cutting strength of the tool head 18 when cutting the steel sheet, and forms the composite positioning table 11 along the helical minor cutting edge 12, and A composite spiral auxiliary cutting edge 13 is formed on the front portion of the composite positioning table 11 facing the cutting direction. Therefore, a new composite helical secondary cutting edge 13 is added to the conventional cutting head, thereby enabling two The auxiliary cutting edge works to decompose the cutting force of the auxiliary cutting edge, reduce the frictional strength of the secondary cutting edge, reduce the amount of frictional heat generation, and increase the heat dissipation area of the tool head, reduce the temperature of the tool head, and use the tool. Long life and high strength throughout the process.
通过将刀具头制成如是的结构， 可扩大本发明的刀具的适用范 围， 能够应用于多种不平工件的加工中， 可有效地防止刀具头崩齿。  By making the tool head into a structure as it is, the applicable range of the tool of the present invention can be expanded, and it can be applied to the processing of a plurality of uneven workpieces, and the cutter head can be effectively prevented from collapsing.
实施方式 3 :  Embodiment 3:
如图 3所示，本发明的第三实施方式的复合定位复合切削的定心 螺旋刀具， 包括刀具头 18， 刀具头 18—体地设置有两个螺旋条， 螺 旋条的朝向切削方向的面为螺旋切削面 19， 螺旋切削面 19的顶部背 面侧为后切削面 20， 螺旋条的最外侧面为螺旋副切削面 16， 螺旋副 切削面 16与最外侧的螺旋切削面 19之间形成有螺旋副切削刃 12， 内侧凸起的螺旋副切削面即复合定位台 11， 复合螺旋副切削刃 13， 最外侧的螺旋切削面即散热面 22， 螺旋副切削面 16与后切削面 20 相交形成有侧刃 10， 螺旋切削面 19与后切削面 20相交形成有切削 刃 8， 后切削面 20与散热面 22相交形成有分切刃 9， 与复合定位台 11 相交形成有复合侧刃 17， 后切削面 20上有凹槽 21 与切削面 19 相交形成有凹口刃 14 , 由于该凹口刃 14向外延至侧刃 10， 因此分切 刃 9也是凹口刃 14的一部分， 凹口刃 14的底部可以是梯形， 弧形， 三角形， 方形以及其它任意形状， 复合定位复合切削的定心螺旋刀具 的顶端中心凸起的设置有一钻尖， 钻尖的尖部为顶尖或横刃 1 , 其两 侧各设置一定心切削面 23，顶尖或横刃 1的两侧各有一定心分切刃 2， 定心分切刃 2的外侧为定位分切刃 3， 定位副切削刃 6， 切削刃 8。 As shown in FIG. 3, the centering and helical cutting tool of the composite positioning composite cutting according to the third embodiment of the present invention includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction In the spiral cutting surface 19, the top back side of the spiral cutting surface 19 is the rear cutting surface 20, the outermost side surface of the spiral strip is the helical auxiliary cutting surface 16, and the spiral auxiliary cutting surface 16 and the outermost spiral cutting surface 19 are formed. The spiral minor cutting edge 12, the inner convex spiral auxiliary cutting surface, that is, the composite positioning table 11, the composite spiral auxiliary cutting edge 13, the outermost spiral cutting surface, that is, the heat radiating surface 22, the helical auxiliary cutting surface 16 and the rear cutting surface 20 The intersection is formed with a side edge 10, the spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9, which intersects with the composite positioning table 11 to form a composite side edge 17. The rear cutting face 20 has a groove 21 intersecting the cutting face 19 to form a notch edge 14. Since the notch edge 14 is extended to the side edge 10, the slitting edge 9 is also a part of the notch edge 14, concave The bottom of the lip 14 can be trapezoidal, curved, triangular, square and any other shape. The center of the center of the composite positioning of the composite cutting core is provided with a drill tip, and the tip of the drill tip is a tip or a chisel edge. 1 , a fixed cutting surface 23 is arranged on each side of the core, and a cutting edge 2 is arranged on both sides of the top or the horizontal edge 1 , and the outer side of the centering cutting edge 2 is a positioning cutting edge 3 , and the positioning cutting edge 6 is positioned , cutting edge 8.
第三实施方式的复合定位复合切削的定心螺旋刀具， 在第一， 二 实施方式的结构中， 在每个螺旋条的切削刃 8 的外侧,把分切刃 9加 工成与凹槽 21， 凹口刃 14的一部分， 钻尖的中心设置成与两外侧刃 10平行或有极小夹角的横刃 1使两侧的定位切削刃 3和定心分切刃 2与横 刃 1形成 S刃， 延长了各切削刃之和并使定心分切刃 2， 定位分切刃 3的受 力减小， 提高了刀具的稳定性， 延长了刀具头的使用寿命。  In the structure of the first and second embodiments, in the structure of the first and second embodiments, the slitting blade 9 is machined into the groove 21, in the structure of the first and second embodiments, A portion of the notch 14 is formed such that the center of the drill tip is disposed parallel to the outer edge 10 or has a slight angle 1 so that the positioning cutting edge 3 and the centering cutting edge 2 and the chisel edge 1 on both sides form a S The edge lengthens the sum of the cutting edges and makes the centering cutting edge 2 reduce the force of the positioning cutting edge 3, which improves the stability of the tool and prolongs the service life of the tool head.
通过如此地构成， 在实施方式 1-2的技术效果的基础上， 由于在 以往的普通刀头上形成了一个复合定位复合切削的定位中心，在加工 过程中能够更好的定位、 进一步提高加工精度， 并防止因定位不稳而 在钻削较薄的工件时发生将工件带起的问题，同时在钻削易起毛刺的 工件时可有效地防止毛刺的产生。  With such a configuration, in addition to the technical effect of the embodiment 1-2, since a positioning center for composite positioning composite cutting is formed on a conventional conventional cutter head, it is possible to better position and further improve the machining during the machining process. Accuracy, and prevent the problem of bringing the workpiece up when drilling a thin workpiece due to unstable positioning, and can effectively prevent the occurrence of burrs when drilling a burr-like workpiece.
实施方式 4 :  Embodiment 4:
如图 4所示，本发明的第四实施方式的复合定位复合切削的定心 螺旋刀具， 包括刀具头 18 , 刀具头 18—体地设置有两个螺旋条， 螺 旋条的朝向切削方向的面为螺旋切削面 19， 螺旋切削面 19的顶部背 面侧为后切削面 20， 螺旋条的最外侧面为螺旋台 16， 和顶部的侧刃 10 , 螺旋副切削面 16与螺旋切削面 19之间形成有螺旋副切削刃 12， 内侧的螺旋副切削面即复合定位台 11， 复合螺旋副切削刃 13 , 最外 侧的螺旋切削面即散热面 22， 螺旋副切削面 16与后切削面 20相交 形成有侧刃 10， 螺旋切削面 19与后切削面 20相交形成有切削刃 8 , 后切削面 20与散热面 22相交形成有分切刃 9， 与复合定位台 11相 交形成有复合侧刃 17 , 后切削面 20与螺旋切削面 19相交形成有平 直的切削刃 8， 复合定位复合切削的定心螺旋刀具的顶端中心凸起的 设置有一钻尖， 钻尖的尖部为顶尖或横刃 1， 其两侧各设置一定心切 削面 23， 顶尖或横刃 1 的两侧各有一定心分切刃 2， 定心分切刃 2 的外侧为定位分切刃 3，定位台 24和小侧刃 4以及定位切削刃 5和定位副切削 刃 6， 钻尖前部凸起的复合定位副切削刃 7， 切削刃 8。  As shown in FIG. 4, the centering and helical cutting tool of the composite positioning composite cutting according to the fourth embodiment of the present invention includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction The spiral cutting face 19, the top back side of the spiral cutting face 19 is the rear cutting face 20, the outermost side of the spiral strip is the screw table 16, and the top side edge 10, between the helical minor cutting face 16 and the helical cutting face 19. The spiral minor cutting edge 12 is formed, the inner helical cutting surface is the composite positioning table 11, the composite helical secondary cutting edge 13, the outermost spiral cutting surface is the heat radiating surface 22, and the helical secondary cutting surface 16 intersects with the rear cutting surface 20 to form There is a side edge 10, the spiral cutting surface 19 intersects the rear cutting surface 20 to form a cutting edge 8, and the rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9 which intersects with the composite positioning table 11 to form a composite side edge 17, The rear cutting face 20 intersects the helical cutting face 19 to form a flat cutting edge 8. The center of the center of the centering of the composite positioning composite cutting tool has a drill tip and a tip of the drill tip. The top or the transverse edge 1 is provided with a certain cutting surface 23 on each side thereof, and each side of the top or the horizontal edge 1 has a certain centring cutting edge 2, and the outer side of the centering cutting edge 2 is a positioning cutting edge 3, The positioning table 24 and the small side edge 4 and the positioning cutting edge 5 and the positioning minor cutting edge 6, the composite positioning auxiliary cutting edge 7 and the cutting edge 8 which are convex at the front end of the drill point.
在第一二三实施方式的结构中，在所述切削刃 8为一平直的直刃 切削刃 8 在钻尖上和外侧的螺旋台上设置内侧的复合定位螺旋台 24 和外侧的螺旋散热台 11因而提高了刀具头的切削效率和稳定性， 延 长了刀具头的使用寿命。 In the structure of the first two third embodiment, the cutting edge 8 is a straight straight edge. The cutting edge 8 is provided with an inner composite positioning screw table 24 and an outer spiral heat sink 11 on the upper and outer spiral tables, thereby improving the cutting efficiency and stability of the tool head and prolonging the service life of the tool head.
通过如此地构成， 在实施方式一二三的技术效果的基础上， 由于 在所述切削刃为一直刃因此在工件上已加工园平台而且可以大大的 提高效率并延长刀具头的使用寿命。  With such a configuration, on the basis of the technical effects of the first and third embodiments, since the cutting edge is a constant edge, the platform is processed on the workpiece and the efficiency can be greatly improved and the service life of the tool head can be prolonged.
实施方式 5 :  Embodiment 5:
如图 5所示，本发明的第五实施方式的复合定位复合切削的定心 螺旋刀具， 包括刀具头 18， 刀具头 18—体地设置有两个螺旋条， 螺 旋条的朝向切削方向的面为螺旋切削面 19， 螺旋切削面 19的顶部背 面侧为后切削面 20， 螺旋条的最外侧面为螺旋副切削面 16， 螺旋副 切削面 16与最外侧的螺旋切削面 19之间形成有螺旋副切削刃 12， 内侧凸起的螺旋副切削面即复合定位台 11， 复合螺旋副切削刃 13， 最外侧的螺旋切削面即散热面 22， 螺旋副切削面 16与后切削面 20 相交形成有侧刃 10， 螺旋切削面 19与后切削面 20相交形成有切削 刃 8， 后切削面 20与散热面 22相交形成有分切刃 9， 与复合定位台 11 相交形成有复合侧刃 17， 后切削面 20 上有凹槽 21 与切削面 19 相交形成有凹口刃 14， 由于该凹口刃 14向外延至侧刃 10， 因此分切 刃 9也是凹口刃 14的一部分， 凹口刃 14的底部可以是梯形， 弧形， 三角形， 方形以及其它任意形状， 复合定位复合切削的定心螺旋刀具 的顶端中心凸起的设置有一钻尖， 钻尖的尖部为顶尖或横刃 1， 其两 侧各设置一定心切削面 23，顶尖或横刃 1的两侧各有一定心分切刃 2。 第五实施方式的复合定位复合切削的定心螺旋刀具，在第一一四实施 方式的结构中， 在每个螺旋条的切削刃 8 的外侧，把分切刃 9加工成 与凹槽 21， 凹口刃 14 的一部分， 钻尖的中心设置成与两外侧刃 10 平行或有极小夹角的横刃 1使两侧的定心分切刃 2与横刃 1形成 S刃， 延 长了各切削刃之和并使定心分切刃 2的受力减小， 提高了刀具的稳定性， 延 长了刀具头的使用寿命。  As shown in FIG. 5, the centering and helical cutting tool of the composite positioning composite cutting according to the fifth embodiment of the present invention includes a tool head 18, and the tool head 18 is integrally provided with two spiral strips, and the surface of the spiral strip facing the cutting direction In the spiral cutting surface 19, the top back side of the spiral cutting surface 19 is the rear cutting surface 20, the outermost side of the spiral strip is the helical auxiliary cutting surface 16, and the spiral auxiliary cutting surface 16 and the outermost spiral cutting surface 19 are formed. The spiral auxiliary cutting edge 12, the inner convex spiral auxiliary cutting surface, that is, the composite positioning table 11, the composite spiral auxiliary cutting edge 13, the outermost spiral cutting surface, that is, the heat dissipating surface 22, and the spiral auxiliary cutting surface 16 and the rear cutting surface 20 intersect to form There is a side edge 10, a spiral cutting surface 19 intersects with the rear cutting surface 20 to form a cutting edge 8, and a rear cutting surface 20 intersects the heat dissipating surface 22 to form a cutting edge 9 which intersects with the composite positioning table 11 to form a composite side edge 17, The rear cutting face 20 has a groove 21 intersecting the cutting face 19 to form a notch edge 14. Since the notch edge 14 is extended to the side edge 10, the cutting edge 9 is also part of the notch edge 14. The bottom of the notch 14 can be trapezoidal, curved, triangular, square and any other shape. The center of the centering of the composite positioning composite cutting tool has a drill tip, and the tip of the drill tip is top or horizontal. The blade 1 is provided with a certain core cutting surface 23 on each side thereof, and each side of the top or side edge 1 has a certain centring cutting edge 2. The centering and helical cutting tool of the composite positioning composite cutting of the fifth embodiment, in the structure of the first four embodiment, the cutting edge 9 is machined into the groove 21 on the outer side of the cutting edge 8 of each spiral strip, A portion of the notch 14 having a center of the drill tip disposed parallel to the outer edge 10 or having a slight angle 1 forms a S-edge of the centering slitting edge 2 and the chisel edge 1 on both sides, extending each The sum of the cutting edges reduces the force applied to the centering cutting edge 2, which improves the stability of the tool and prolongs the service life of the tool head.
通过如此地构成， 在实施方式 1-2的技术效果的基础上， 由于在 以往的普通刀头上形成了一个复合定位复合切削的定位中心，在加工 过程中能够更好的定位、 进一步提高加工精度， 并防止因定位不稳而 在钻削较薄的工件时发生将工件带起的问题，同时在钻削易起毛刺的 工件时可有效地防止毛剌的产生。  With such a configuration, in addition to the technical effect of the embodiment 1-2, since a positioning center for composite positioning composite cutting is formed on a conventional conventional cutter head, it is possible to better position and further improve the machining during the machining process. Accuracy, and prevent the problem of bringing the workpiece up when drilling a thin workpiece due to unstable positioning, and can effectively prevent the occurrence of burrs when drilling a burr-like workpiece.
通过如此地构成， 在实施方式 1一 4的技术效果的基础上， 由于 钻尖形成为环形铁屑，所以在工件上钻孔后留下的为一锥面有利于刀 具头的定位， 该刀具头由于在外侧形成有螺旋散热台， 在切削刃上形 成有分切刃分解了刀具头在切削时的阻力， 保持了刀具头的切削效 率， 延长了刀具头的使用寿命， 并在钻削加工中一直保持高强度， 提 高工作效率。 With such a configuration, in addition to the technical effects of Embodiments 1 to 4, since the drill tip is formed as a ring-shaped iron filing, a tapered surface left after drilling on the workpiece facilitates the positioning of the tool head. Since the head has a spiral heat sink formed on the outer side, a cutting edge is formed on the cutting edge to decompose the resistance of the tool head during cutting, and the cutting effect of the tool head is maintained. The rate increases the service life of the tool head and maintains high strength and improves work efficiency during drilling.
本实施方式的刀具柄可以采用与实施方式 1相同的结构，因此在 此省略其说明。  The tool shank of the present embodiment can adopt the same configuration as that of the first embodiment, and thus the description thereof will be omitted.
以上虽然以具有两个螺旋条的刀具为例进行了说明，但是本发明 的刀具也可具有多个螺旋条，在各螺旋条的切削刃上可以采用如所述 1平刃， 或向外侧高度逐渐降低的 2阶梯刃， 或 3凹口刃， 或与凹口 刃重叠设置的 4复合凹口刃，或与刀具头轴向中心线或螺旋副切削刃 有夹角的 5斜刃， 或与斜刃有一定夹角的 6复合斜刃， 或 1平刃或 2 阶梯刃或 3凹口刃或 4复合凹口刃或 5斜刃或 6复合斜刃中的 1种至 6种的多种方式的组合刃进行实施。 如图 5示出了具有三角形钻尖的 复合定位复合切削的定心螺旋刀具， 每条的螺旋散热台， 定心分切刃 结构都与实施方式 1一 4相同。  Although the above description has been made by taking a cutter having two spiral strips as an example, the cutter of the present invention may have a plurality of spiral strips, and the cutting edge of each spiral strip may adopt a flat edge as described above or an outer height. a progressively lowering 2 stepped edge, or a 3 notch, or a 4 composite notch that overlaps the notch edge, or a 5 beveled edge that is at an angle to the axial centerline or helical secondary cutting edge of the tool head, or a 6-blade beveled edge with a certain angle of the beveled edge, or 1 to 6 of 1 flat blade or 2 stepped edge or 3 notch edge or 4 composite notch blade or 5 beveled edge or 6 compound beveled edge The combined blade of the method is implemented. As shown in Fig. 5, a centering spiral cutter having a composite positioning composite cutting with a triangular drill tip is shown, and each of the spiral heat sinks and the centering cutting edge structure are the same as those of the embodiment 1-4.
以上所述的优选实施方式是说明性的而不是限制性的，在不脱离 本发明的主旨和基本特征的情况下，本发明还可以以其他方式进行实 施和具体化。 本发明的范围由权利要求进行限定， 在权利要求限定范 围内的所有变形都落入本发明的范围内。  The above-described preferred embodiments are illustrative and not restrictive, and the invention may be embodied and embodied in other ways without departing from the spirit and scope of the invention. The scope of the invention is defined by the claims, and all modifications within the scope of the claims are intended to fall within the scope of the invention.

Claims

权 利 要 求 书 Claims
1一种复合定位复合切削的定心螺旋刀具， 包括刀具头， 其特征在于,刀具头 一体地设置有至少一个螺旋条， 在每个螺旋条上具有一螺旋副切削刃， 沿着该螺 旋副切削刃的外侧形成有螺旋副切削面， 在该螺旋副切削刃的朝向切削方向前部 的螺旋切削面上形成有至少一级凸起的螺旋切削面， 为复合螺旋定位台或至少一 级的内侧复合螺旋副切削刃,最外侧的螺旋切削面为螺旋散热面， 螺旋副切削刃和 螺旋散热面或螺旋切削面或螺旋定位台或复合螺旋定位台和至少一级的内侧凸起 的复合螺旋副切削刃,延伸至顶端的切削刃上形成有分切刃或定位分切刃或复合 定位分切刃上形成有 1平刃， 或向外侧高度逐渐降低的 2阶梯刃， 或 3凹口刃， 或与凹口刃重叠设置的 4复合凹口刃， 或与刀具头轴向中心线或螺旋副切削刃有 夹角的 5斜刃， 或与斜刃有一定夹角的 6复合斜刃， 或 1平刃或 2阶梯刃或 3凹 口刃或 4复合凹口刃或 5斜刃或 6复合斜刃中的 1种至 6种的多种方式的组合刃。  A centering helical cutting tool for composite positioning composite cutting, comprising a tool head, characterized in that the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the spiral pair a spiral auxiliary cutting surface is formed on an outer side of the cutting edge, and a spiral cutting surface having at least one first protrusion is formed on a spiral cutting surface of the spiral auxiliary cutting edge facing the cutting direction, which is a composite spiral positioning table or at least one stage The inner composite spiral auxiliary cutting edge, the outermost spiral cutting surface is a spiral heat dissipating surface, the spiral auxiliary cutting edge and the spiral heat dissipating surface or the spiral cutting surface or the spiral positioning table or the composite spiral positioning table and the at least one inner convex composite spiral The secondary cutting edge, the cutting edge extending to the top end is formed with a slitting edge or a positioning slitting edge or a composite positioning slitting blade is formed with a flat blade, or a 2 stepped edge which gradually decreases toward the outer side, or a 3 notch blade , or 4 composite notch edges that are placed in overlap with the notch edge, or 5 oblique edges that are at an angle to the axial centerline or helical minor cutting edge of the tool head, or have an angle with the bevel edge 6 composite beveled edges, or 1 flat blade or 2 stepped edge or 3 notch edge or 4 composite notch blade or 5 beveled edge or 6 composite beveled edge of 1 to 6 combinations of multiple ways.
2—种复合定位复合切削的定心螺旋刀具， 包括刀具头， 其特征在于,刀具头 一体地设置有至少一个螺旋条， 在每个螺旋条上具有一螺旋副切削刃， 沿着该螺 旋副切削刃的外侧形成有螺旋副切削面， 在该螺旋副切削刃的朝向切削方向前部 的螺旋切削面上形成有至少一级凸起的螺旋切削面， 为复合螺旋定位台或至少一 级的内侧复合螺旋副切削刃,最外侧的螺旋切削面为螺旋散热面， 并延伸至顶端的 切削刃上形成有定位分切刃或复合定位分切刃和侧刃或复合定位侧刃,在刀具头 顶端中心位置凸起的设置有一钻尖， 钻尖的中心设置一无横刃的顶尖或者与刀具 外侧的侧刃平行或有夹角的横刃， 顶尖或横刃外侧形成有与螺旋切削面上的切削 刃的夹角呈钝角的定心分切刃。  A type of centering helical cutting tool for composite positioning composite cutting, comprising a tool head, characterized in that the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the spiral pair a spiral auxiliary cutting surface is formed on an outer side of the cutting edge, and a spiral cutting surface having at least one first protrusion is formed on a spiral cutting surface of the spiral auxiliary cutting edge facing the cutting direction, which is a composite spiral positioning table or at least one stage The inner composite spiral auxiliary cutting edge, the outermost spiral cutting surface is a spiral heat dissipating surface, and the cutting edge extending to the top end is formed with a positioning slitting edge or a composite positioning slitting edge and a side edge or a composite positioning side edge in the cutter head The top center position is convexly provided with a drill tip, and the center of the drill tip is provided with a tip without a chisel edge or a chisel edge parallel or at an angle with the side edge of the cutter outer side, and the outer side of the tip or chisel edge is formed with a spiral cutting surface The angle of the cutting edge is an obtuse angled centering cutting edge.
3一种复合定位复合切削的定心螺旋刀具， 包括刀具头， 其特征在于,刀具头 一体地设置有至少一个螺旋条， 在每个螺旋条上具有一螺旋副切削刃， 沿着该螺 旋副切削刃的外侧形成有螺旋副切削面， 在该螺旋副切削刃的朝向切削方向前部 的螺旋切削面上形成有至少一级凸起的螺旋切削面， 为复合螺旋定位台和至少一 级的内侧复合螺旋副切削刃,最外侧的螺旋切削面为螺旋散热面， 并延伸至顶端的 切削刃上形成有定位分切刃或复合定位分切刃和侧刃或复合定位侧刃,在刀具头 的轴向中心部位凸出地形成的螺旋定位台和复合螺旋切削面以及复合螺旋副切削 刃延伸至顶端与后切削面相交形成有定位分切刃或复合定位分切刃， 切削刃或定 位分切刃或复合定位分切刃或与定心分切刃或顶尖或横刃形成有 S刃。  A centering helical cutting tool for composite positioning combined cutting, comprising a tool head, characterized in that the tool head is integrally provided with at least one spiral strip, and each spiral strip has a helical auxiliary cutting edge along which the spiral pair a spiral auxiliary cutting surface is formed on an outer side of the cutting edge, and a spiral cutting surface having at least one primary projection is formed on a spiral cutting surface of the spiral auxiliary cutting edge toward the cutting direction, which is a composite spiral positioning table and at least one stage The inner composite spiral auxiliary cutting edge, the outermost spiral cutting surface is a spiral heat dissipating surface, and the cutting edge extending to the top end is formed with a positioning slitting edge or a composite positioning slitting edge and a side edge or a composite positioning side edge in the cutter head The spiral positioning table and the composite spiral cutting surface formed by the convex portion of the axial center portion and the composite spiral auxiliary cutting edge extend to intersect the top end and the rear cutting surface to form a positioning cutting edge or a composite positioning cutting edge, a cutting edge or a positioning point The cutting edge or the composite positioning slitting edge or the S-blade is formed with the centering cutting edge or the tip or the chisel edge.
4如权利要求 1-3任一所述的复合定位复合切削的定心螺旋刀具， 其特征在 于， 在所述刀具的切削刃或分切刃上形成有至少一个凹口刃或凹口刃上重叠设置 的复合凹口刃，并向后切削面延伸或放大状延伸形成有至少一个凹槽或复合凹槽。  A center-aligned composite cutting centering helical cutter according to any one of claims 1 to 3, wherein at least one notch or notch is formed on the cutting edge or the cutting edge of the cutter. The composite recessed edges are disposed in an overlapping manner and extend toward the rear cutting face or extend in a magnified manner to form at least one groove or a composite groove.
5如权利要求 1-4任一所述的复合定位复合切削的定心螺旋刀具， 其特征在 于， 在所述刀具的螺旋切削面或螺旋散热面或螺旋定位台与后切削面相交形成至 少一级分切刃或定位分切刃。  The multi-centered composite cutting centering helical cutter according to any one of claims 1 to 4, wherein at least one of the spiral cutting surface or the spiral heat dissipating surface or the spiral positioning table and the rear cutting surface of the cutter intersects with the rear cutting surface. Fractional cutting edge or positioning slitting edge.
6如权利要求 1-5任一所述的复合定位复合切削的定心螺旋刀具， 其特征在 于， 在所述刀具头内侧顶端的定位分切刃向钻柄延伸形成有螺旋定位台。 7如权利要求 1-6中任一项所述的复合定位复合切削的定心螺旋刀具，其特征 在于， 在所述刀具螺旋切削面上， 最外侧与螺旋副切削刃相交的切削刃或分切刃 与螺旋副切削刃的夹角为锐角或直角或钝角。 The multi-centered composite cutting centering helical cutter according to any one of claims 1 to 5, wherein a positioning slitting blade at a top end of the cutter head extends toward the shank to form a spiral positioning table. The multi-centered composite cutting centering helical cutter according to any one of claims 1 to 6, wherein a cutting edge or a branch intersecting the spiral minor cutting edge at the outermost side of the cutting surface of the cutter The angle between the cutting edge and the helical minor cutting edge is an acute angle or a right angle or an obtuse angle.
8如权利要求 1-7中任一项所述的复合定位复合切削的定心螺旋刀具，其特征 在于，在所述刀具头一体地设置的多个螺旋条的顶端联接有如前所述的切削刀头。  The multi-centered composite cutting centering helical cutter according to any one of claims 1 to 7, wherein a tip of a plurality of spiral strips integrally provided at the cutter head is coupled with the cutting as described above. Knife head.
PCT/CN2011/001823 2010-11-04 2011-10-31 Compound-positioning and compound-cutting centering spiral cutter WO2012058863A1 (en)

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CN102039439B (en) * 2010-11-04 2013-06-05 李仕清 Centering spiral cutter capable of composite positioning and combined cutting
CN103381497A (en) * 2012-05-03 2013-11-06 李仕清 Centering spiral cutter for combined positioning and combined cutting
CN103381495B (en) * 2012-05-03 2016-03-23 李仕清 A kind of drill bit cutter head of combined cut
CN103381496A (en) * 2012-05-03 2013-11-06 李仕清 Compound positioning and cutting spiral cutter
CN103706845A (en) * 2012-10-01 2014-04-09 李仕清 Compound positioning and cutting spiral tool
CN103706843A (en) * 2012-10-01 2014-04-09 李仕清 Combined-cutting drill bit

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