CN109396558A - It is a kind of for processing the Diamond Cutting Toolss of hard brittleness difficult-to-machine material - Google Patents
It is a kind of for processing the Diamond Cutting Toolss of hard brittleness difficult-to-machine material Download PDFInfo
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- CN109396558A CN109396558A CN201811330578.8A CN201811330578A CN109396558A CN 109396558 A CN109396558 A CN 109396558A CN 201811330578 A CN201811330578 A CN 201811330578A CN 109396558 A CN109396558 A CN 109396558A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
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Abstract
本发明涉及精密加工工具技术领域，公开了一种用于加工硬脆性难加工材料的金刚石切削刀具，该切削刀具的切削刃部的材质为聚晶金刚石，切削刃部包括一体成型的切削主体及若干切削刃，切削刃为螺旋状，各切削刃沿切削主体的中心轴周向设置于切削主体的外表面，相邻两个切削刃之间设有第一排屑槽；切削刃的第一端部设于切削主体的前端面，切削刃的第二端部设于切削主体的侧面。本发明的有益效果为：通过在聚晶金刚石材料的切削主体上一体成型切削刃，相对于传统焊片式PCD切削刀具，可在相同外径的切削主体上设置数量更多的切削刃，切削刃的形状和结构的设计更加多样化，进而能够提高切削效果及加工效率，并延长使用寿命。
The invention relates to the technical field of precision machining tools, and discloses a diamond cutting tool for machining hard and brittle hard-to-machine materials. The cutting edge of the cutting tool is made of polycrystalline diamond, and the cutting edge includes an integrally formed cutting body and A plurality of cutting edges, the cutting edges are helical, each cutting edge is arranged on the outer surface of the cutting body along the central axis of the cutting body in the circumferential direction, and a first chip removal groove is arranged between two adjacent cutting edges; The end portion is provided on the front end surface of the cutting body, and the second end portion of the cutting edge is provided on the side surface of the cutting body. The beneficial effects of the present invention are: by integrally forming the cutting edges on the cutting body of the polycrystalline diamond material, compared with the traditional welding piece type PCD cutting tool, more cutting edges can be set on the cutting body of the same outer diameter, and the cutting edge can be cut. The design of the shape and structure of the blade is more diversified, which can improve the cutting effect and processing efficiency, and prolong the service life.
Description
Technical field
The present invention relates to delicate machine tools technical fields, more particularly to one kind for processing hard brittleness difficult-to-machine material
Diamond Cutting Toolss.
Background technique
Currently, glass, ceramics perhaps hard brittle materials such as sapphire manufacture field need to glass, ceramics or
Sapphire etc. is processed；Accordingly, it is desirable to use different types of cutting tool.
Traditional cutting tool generally uses high-speed steel or cemented carbide material to be made.PCD(Polycrystalline
Diamond, polycrystalline diamond) it is a kind of diamond, there is hardness is high, compression strength is high, thermal conductivity and wearability are good etc.
Characteristic, thus it is subject to processing the welcome of industry；With popularizing for PCD material, PCD cutting tool occurs therewith, breaches tradition
The limitation of cutting tool.
Existing PCD cutting tool is to thinly slice PCD, is then welded into be used as in the cutter body of hard alloy and cut
Sharpener sword, but due to being limited by cutter body outer diameter and welding procedure, welding type PCD cutting tool is generally up to about and can only weld
The few PCD thin slice of quantity is connect, such as manufacture can not produce cutting for multiple-cutting-edge at 3 sword cutting tools or 4 sword cutting tools etc.
Cutting knife tool is restricted so as to cause the cutting effect of cutting tool.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of the prior art and structure, provide a kind of cutting tool, its cutting edge portion and
Ultrasonic cutter component including the cutting tool can be in the plycrystalline diamond of same outer diameter relative to welding type PCD cutting tool
More cutting edge is set in Diamond Cutting main body, and the design of the form and structure of cutting edge is more diversified, can
Improve cutting effect.
To achieve the goals above, first aspect present invention provides a kind of cutting edge portion for cutting tool, described to cut
The material for cutting blade is polycrystalline diamond, and the cutting edge portion includes integrally formed cutter body and several cutting edges, described
Cutting edge is helical form, and each cutting edge is circumferentially set to the appearance of the cutter body along the central axis of the cutter body
Face is equipped with the first chip space between the two neighboring cutting edge；The first end of the cutting edge is set to the cutter body
Front end face, and the cutting edge successively along the side of the front end face of the cutter body and the cutter body extend, make institute
The second end for stating cutting edge is set to the side of the cutter body.
Preferably, the cutting edge portion further includes the wiper edges being shaped in the cutter body, described
Wiper edges are set to the first end of the cutting edge and seamlessly transit with the cutting edge.
Preferably, the cutter body includes the cutter body end being fixedly connected by an end face and connection
Portion, the first end of the cutting edge is set to the front end face of the cutter body end, and the cutting edge is successively cut along described
The side of the front end face and the cutter body end of cutting body end extends, and is set to the second end of the cutting edge described
The side of cutter body end, and the second end of the cutting edge is located at the company of the cutter body end and the interconnecting piece
Meet place.
Preferably, the cutter body end includes coaxial and is fixedly connected and forms the first step-like cutting
Portion and the second cutting portion, the outer diameter of first cutting portion are less than the outer diameter of second cutting portion, second cutting portion with
The interconnecting piece is fixedly connected.
Preferably, between the front end face and its side of first cutting portion, first cutting portion with it is described
Arc transition connection is all made of between second cutting portion, between the front end face and its side of second cutting portion.
Preferably, cooling bath is offered at the center of the front end face of the cutter body, the of the cutting edge
One end is set to the outer edge of the cooling bath.
Preferably, the hand of spiral of the cutting edge is left-handed or dextrorotation, and the helical angle of the cutting edge is
15 °~60 °.
Preferably, the outer diameter of the cutter body is the ㎜ of 0.5 ㎜~135, and the number of the cutting edge is by described
The tread of cutting edge determines that the tread of the cutting edge is the ㎜ of 0.01 ㎜~0.2, a length of 0.1 ㎜~15 of the sword of the cutting edge
㎜。
Preferably, the groove depth of first chip space is the ㎜ of 0.05 ㎜~0.3.
Preferably, a length of ㎜ of 0.01 ㎜~3 of the sword of the wiper edges.
Preferably, several contrary with the cutting edge spiral are offered in the cutter body
Two chip spaces, second chip space extend to its side, each second chip space edge from the front end face of the cutter body
The central axis of the cutter body is circumferentially arranged；Each cutting edge is separated into several segments by second chip space.
Preferably, the helical angle of second chip space is 20 °~40 °.
Preferably, between adjacent two second chip spaces between be divided into the ㎜ of 0.25 ㎜~0.75, it is described
The groove depth of second chip space is the ㎜ of 0.05 ㎜~0.15.
Preferably, the cutting edge portion further includes matrix, is stated after matrix is fixedly connected on the cutter body
End face, the material of described matrix are tungsten carbide base carbide alloy.
Same purpose, second aspect of the present invention provide a kind of cutting tool comprising tool shank and are installed on described
Tool shank front end such as the aforementioned cutting edge portion, the tool shank is connect with the rear end face of the cutter body.
Preferably, the material of the tool shank is tungsten carbide base carbide alloy, and the cutting edge portion further includes
Matrix, described matrix are fixedly connected on the rear end face of the cutter body, and the material of described matrix is tungsten carbide base carbide alloy；
The rear end face vacuum welding of the tool shank and described matrix.
Similarly, third aspect present invention also proposes a kind of ultrasonic cutter component comprising the cutting as described in aforementioned
Cutter.
The present invention provides a kind of cutting tool, the cutting edge portion of cutting tool and the ultrasonic cutter group including cutting tool
Part has the advantages that compared with the existing technology
Cutting edge portion is made of polycrystalline diamond material, can effectively improve the hardness and intensity of cutting edge, is improved and is added
Work precision and processing efficiency；And the cutting edge of cutting edge portion is set on the surface of cutter body by integrated molding, relative to weldering
Chip PCD cutting tool can form more cutting edge in the polycrystalline diamond cutter body of same outer diameter, cutting
The design of the form and structure of sword is more diversified；Furthermore several cutting edges are circumferentially distributed along the central axis of cutter body, more
It is helical form that a cutting edge can bear larger cutting force, proof strength, and cutting edge jointly, can weaken cutting on each cutting edge
Power is cut, higher cutting speed and the biggish amount of feeding are suitable for, to improve processing efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of cutting edge portion in the embodiment of the present invention；
Fig. 2 is the portion the A partial enlarged view of Fig. 1；
Fig. 3 is the portion the B partial enlarged view of Fig. 1；
Fig. 4 is the structural schematic diagram of the cutter body end of cutting edge portion in the embodiment of the present invention；
Fig. 5 be in the embodiment of the present invention cutting edge of cutting edge portion and wiper edges in the outline drawing of side；
Fig. 6 is a kind of structural schematic diagram of cutting tool in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the cutting tool in the embodiment of the present invention under another visual angle；
Fig. 8 is the top view of Fig. 7.
In figure, 1, cutting edge portion；11, cutter body；111, cutter body end；1111, the first cutting portion；1112,
Two cutting portions；112, interconnecting piece；12, cutting edge；13, the first chip space；14, cooling bath；15, the second chip space；16, matrix；
17, wiper edges；2, tool shank.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.It should be understood that being retouched in the present invention using term " first ", " second " etc.
Various information are stated, but these information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other
It opens.For example, without departing from the present invention, " first " information can also be referred to as " second " information, it is similar,
" second " information can also be referred to as " first " information.
In addition, it is necessary to illustrate, in description of the invention, term " front end " and " rear end " refer to that cutting tool exists
It is " front end " close to one end of workpieces processing when use process, is " rear end " away from one end of workpieces processing.
Refering to shown in attached drawing 1- Fig. 5, preferred embodiment of the present invention first aspect proposes a kind of cutting for cutting tool
Blade 1, the material of the cutting edge portion 1 are polycrystalline diamond, the cutting edge portion 1 include integrally formed cutter body 11 and
Several cutting edges 12, the cutting edge 12 are helical form, and each cutting edge 12 is circumferential along the central axis of the cutter body 11
It is set to the outer surface of the cutter body 11, is equipped with the first chip space 13 between the two neighboring cutting edge 12；It is described to cut
The first end for cutting sword 12 is set to the front end face of the cutter body 11, and the cutting edge 12 is successively along the cutter body 11
Front end face and the side of the cutter body 11 extend, so that the second end of the cutting edge 12 is set to the cutter body
Side.
In process, the rotation of cutting edge portion 1 drives each cutting edge 12 to rotate, and carries out material removal to workpieces processing, cuts
The scrap generated during cutting is discharged from the first chip space 13, can be avoided scrap to unfavorable shadow caused by process
It rings.
Based on the above-mentioned technical proposal, a kind of cutting edge portion 1 for cutting tool is provided in the present embodiment, by plycrystalline diamond gold
Hard rock material is made, and cutter body 11 and cutting edge 12 are used and be integrally formed, relative to existing welding type PCD bite
Tool, can be arranged more cutting edge 12 in the cutter body 11 of same outer diameter, the form of cutting edge 12 and structure
It designs more diversified；Meanwhile, it is capable to avoid PCD thin slice being soldered to the problem that generated intensity is inadequate in cutter body,
The characteristic of polycrystalline diamond material can be made full use of, the cutting hardness of cutting edge portion 1 is improved, to effectively improve cutting precision
And cutwork efficiency, and it is able to extend the service life of cutting tool；In the present embodiment, design profile shape is spiral helicine
Cutting edge 12 is suitable for higher cutting speed and the amount of feeding, further increases processing efficiency.
Illustratively, in the present embodiment, cutter body 11 and the integrally formed method of cutting edge 12 mainly include two major classes:
The first kind is build-up materials molding, such as casting, increasing material manufacturing；It is another kind of, it is on the blank of cutter body 11 through removing material
Expect that post-processing forms cutting edge 12, such as milling, spark cutting, laser cutting, chemical attack.
As an alternative embodiment, the cutting edge portion 1 is milling cutter, can specifically be used to mill processing object
It cuts and forms required profile, specifically, processing object is mainly glass product, ceramic product or sapphire product etc..
Referring particularly to shown in attached drawing 3, cutting edge portion 1 further includes the wiper edges being shaped in the cutter body 11
17, the wiper edges 17 are set to the first end of the cutting edge 12 and seamlessly transit with the cutting edge 12, wiper edges 17
It is set on the front end face of cutting edge portion 1, the processing knife mark in workpieces processing can be removed, improve surface flatness, it is preferable that
Wiper edges 17 and cutting edge 12 are tangent, and wiper edges 17 are close to horizontally disposed；It is multiple refering to shown in attached drawing 5,17 one end of wiper edges
Empty avoiding, and the α angle in illustrating is obtuse angle, can prevent stress from concentrating, the other end of wiper edges 17 with cutting edge 12 is tangent sets
It sets.
In specific embodiment, the cutter body 11 includes the cutter body end 111 being fixedly connected by an end face
With interconnecting piece 112, the first end of the cutting edge 12 is set to the front end face of the cutter body end 111, and the cutting
Sword 12 successively extends along the front end face of the cutter body end 111 and the side of the cutter body end 111, makes described cut
The second end for cutting sword 12 is set to the side of the cutter body end 111, and the second end of the cutting edge 12 is located at institute
State the junction of cutter body end 111 Yu the interconnecting piece 112；Cutting edge 12 is only covered in cutter body end 111
Outer surface can satisfy cutting demand, and simplify the processing of cutting edge 12.
Further, multiple refering to fig. 1 with Fig. 4 it is found that the cutter body end 111 includes coaxial and is fixedly connected with simultaneously shape
The outer diameter of the first cutting portion 1111 and the second cutting portion 1112 of stepped, first cutting portion 1111 is less than described second
The outer diameter of cutting portion 1112, second cutting portion 1112 are fixedly connected with the interconnecting piece 112, and the first of the cutting edge 12
End is set to the front end face of first cutting portion 1111, and the cutting edge 12 is successively before first cutting portion 1111
End face, the side of first cutting portion 1111, second cutting portion 1112 front end face protrusion part and described second
The side of cutting portion 1112 extends, so that the second end of the cutting edge 12 is set to the side of second cutting portion 1112
On；Since the contour line of cutting edge 12 is more complicated, the situation harsher to requirement on machining accuracy can satisfy, improve cutting
Ability.
In order to avoid the chipping of workpieces processing in process, the front end face of first cutting portion 1111 and its side it
Between, between first cutting portion 1111 and second cutting portion 1112, the front end face of second cutting portion 1112 and its
Arc transition connection is all made of between side, referring particularly to known to attached drawing 3；In the longitudinal section of cutter body 11, side
Contour line be include multi-section circular arc and straight line connection curve-like, to make the cutting edge 12 in 11 surface forming of cutter body
Shape for the spline curve to be connected by multi-section circular arc and straight line, cutting edge 12 is more complicated, partially crisp suitable for rapidoprint
Workpiece.
Preferably, in the present embodiment, cooling bath 14 is offered at the center of the front end face of the cutter body 11, it is described to cut
The first end for cutting sword 12 is set to the outer edge of the cooling bath 14；Cooling bath 14 can cool down cutting edge 12, effectively
The thermal damage of cutting edge 12 is reduced, and cooling bath 14 is set at the center of 11 front end face of cutter body, enables to cooling bath 14
Cooling it is more uniform, cooling effect is ideal.
Further, in this embodiment the hand of spiral of cutting edge 12 can be left-handed or dextrorotation.
Preferably, in the present embodiment, the helical angle of the cutting edge 12 is 15 °~60 °, and appropriate increase spiral angle can
The cutting force of cutter in process is allowed to reduce, cutter impact resistance is strong, prevents vibration knife, and can guarantee better surface processing
Quality improves the service life of cutting tool；Based under above-mentioned spiral angle, the intensity of cutting edge 12, sharpness, cutting
The size of power and the velocity of discharge of scrap are very ideal.
Further, as a preferred embodiment, the outer diameter of the cutter body 11 of the cutting edge portion 1 is 0.5 ㎜~135
The number of ㎜, the cutting edge 12 are determined by the tread of the cutting edge 12, after the outer diameter of cutter body 11 determines, cutting edge
12 tread is smaller, then the number of cutting edge 12 is more；The tread of the cutting edge 12 is the ㎜ of 0.01 ㎜~0.2, the cutting
The a length of ㎜ of 0.1 ㎜~15 of the sword of sword 12, the restriction of the tread based on outer diameter and cutting edge 12 above to cutter body 11, cutting
Settable 3~150, even more cutting edge 12 on blade 1.Specifically, in the present embodiment, the tread of cutting edge 12
The distance between the two sides for referring to the cutting edge 12, such as the tread that a marked out in attached drawing 2 is cutting edge, cutting edge
Before 12 sword length refers to that the cutting edge 12 is located at one end to the cutter body 11 of the side of the cutter body 11
The distance between end face, it is as long in marked out the sword that the L come is cutting edge 12 in attached drawing 4 and Fig. 5.Appropriate for increasing cutting edge 12
Number, so that cutting tool is able to bear bigger cutting force, can be suitable for higher by cutting force mean allocation in each cutting edge 12
Cutting speed and the amount of feeding, and machining accuracy can be improved by reducing tread, the long effective range for determining cutting edge 12 of sword,
It is long using above-mentioned 12 numbers of the cutting edge to match, tread and sword, can make cutting tool with ideal machining accuracy
Meanwhile guaranteeing processing efficiency.
Further, the range of the surface roughness of cutting edge 12 is 0.2~0.4 μm, and value is smaller, then shows more light
Sliding, under aforementioned surfaces roughness, the cutting edge of cutting edge 12 is smooth sharp, enables the surface accuracy of processing object being cut
Guarantee.
Specifically, the depth of the first chip space 13 should match with the tread of corresponding cutting edge 12 and sword length, be based on
The tread and sword of above-mentioned cutting edge 12 are long, and the groove depth of first chip space 13 is preferably the ㎜ of 0.05 ㎜~0.3, so that processing essence
Degree and processing effect more preferably, can also extend the service life of cutting tool while improving processing efficiency.
In specific embodiment, a length of ㎜ of 0.01 ㎜~3 of the sword of above-mentioned wiper edges 17, refering to shown in attached drawing 3 and Fig. 5, smoothing
The sword length of sword 17 refers to projected length b of the wiper edges 17 along the radial direction of cutter body 11.
In order to improve chip removal efficiency, can be improved the processing efficiency of cutting tool, offered in the cutter body 11
Several spiral second chip spaces 15 contrary with the cutting edge 12, second chip space 15 are led from the cutting
The front end face of body 11 extends to its side, and each second chip space 15 is circumferentially arranged along the central axis of the cutter body 11；
Each cutting edge 12 is separated into several segments by 15 slot of the second chip removal, referring particularly to known to attached drawing 2.
Specifically, the relevant parameter of the second chip space 15 matches with above-mentioned 12 parameter of cutting edge, in the present embodiment
The design parameter of second chip space 15 is preferred are as follows: the helical angle that second row considers slot 15 to be worth doing is 20 °~40 °, and adjacent two described the
The ㎜ of 0.25 ㎜~0.75 is divided between two chip spaces 15, the groove depth of second chip space 15 is less than or equal to cutting edge
Tread, the specially ㎜ of 0.05 ㎜~0.15.
In order to facilitate molding, the cutting edge portion 1 further includes matrix 16, and described matrix 16 is fixedly connected on the cutting master
The rear end face of body 11, the material of described matrix 16 are tungsten carbide base carbide alloy.Illustratively, the specific molding of cutting edge portion 1
Process are as follows: first using the matrix of tungsten carbide base carbide alloy 16 as substrate, by natural or diamond dust and binder in height
Sintering forms cutter body 11 on matrix 16 under warm (1000 DEG C~2000 DEG C), high pressure (5~100,000 atmospheric pressure), using
Material processing is removed, in the outer surface forming and cutting sword 12 of cutter body 11.
The present embodiment second aspect also proposes a kind of cutting tool, referring particularly to shown in attached drawing 5- Fig. 7 comprising the shank of tool
Portion 2 and be installed on 2 front end of tool shank such as the aforementioned cutting edge portion 1, the tool shank 2 and cutting master
The rear end face of body 11 connects；Due to including cutting edge portion 1 described above, it is monoblock type PCD cutting tool, there is above-mentioned cut
All beneficial effects for cutting blade 1, are not stated one by one herein.
Preferably, the material of the tool shank 2 is tungsten carbide base carbide alloy, and the cutting edge portion 1 further includes matrix
16, the material of described matrix 16 is tungsten carbide base carbide alloy, after described matrix 16 is fixedly connected on the cutter body 11
End face；The rear end face vacuum welding of the tool shank 2 and described matrix 16.In view of this, due to the matrix 16 of cutting edge portion 1
Be made with tool shank 2 of identical tungsten carbide base carbide alloy material, therefore material property having the same, matrix 16 with
Deformation quantity is close when 2 butt welding of tool shank, so that welding structure stability is even more ideal, to guarantee weld strength.
Illustratively, tool shank 2 is welded with matrix 16 by silver brazing layer；Wherein, silver brazing layer is by silver-colored pricker
Solder solidification forms, and silver solder melts in welding process and realizes matrix 16 and tool shank 2 and connect, and makes after solidification
The latter two are fixed；Specifically, silver solder is combined into using silver as basis material and other alloys.In the present embodiment, due to
The setting of silver brazing layer can make tool shank 2 and matrix 16 have and effect is more preferably welded and fixed.
Illustratively, tungsten carbide base carbide alloy employed in above-mentioned matrix 16 and tool shank 2, is with tungsten carbide
The agglomerated material formed for hard phase and metallic binding phase；Further, the mass percent of cobalt is no more than in agglomerated material
12%.
In specific embodiment, the profile tolerance of the cutting tool is less than 0.01 ㎜；Wherein, profile tolerance refers to tested actual profile
It, can be with benchmark or without benchmark relative to the change conditions of desired profile；It can be further to the restriction of cutting tool profile tolerance
So that the cutting tool has more preferably machining accuracy and processing effect.
The preferred embodiment of the present invention third aspect also proposes a kind of ultrasonic cutter component comprising cutting described above
Cutter has all beneficial effects of above-mentioned cutting tool, does not make herein old one by one due to including above-mentioned cutting tool
It states.
Embodiment one
Specific embodiment one provides a kind of cutting tool, and the chip blade portion 1 includes 60 cutting edges 12.
In the case where the quantity to above-mentioned cutting edge 12 limits, glass is processed using above-mentioned cutting tool, and it is existing
Welding type PCD cutting tool (including 3 cutting edges) and diamond grinding head (600#) pair using parameter and service life
Than as shown in the table.
In the case where the quantity to above-mentioned cutting edge 12 limits, ceramic workpiece is processed using above-mentioned cutting tool, with
The use parameter and service life of existing welding type PCD cutting tool (including 3 cutting edges) and diamond grinding head (600#)
Comparison it is as shown in the table.
In the case where the quantity to above-mentioned cutting edge 12 limits, end face refine is carried out to sapphire using above-mentioned cutting tool and is added
Work, and the use parameter of existing welding type PCD cutting tool (including 3 cutting edges) and diamond grinding head (600#) and makes
It is as shown in the table with the comparison in service life.
It is found that the cutting tool in the present embodiment is in the qualifications based on above-mentioned cutting edge 12 from above three table
Under, the cutting tool in the present embodiment is when processing glass, ceramics and sapphire workpiece, relative to existing welding type
PCD cutting tool and common diamond grinding head, processing effect is more superior, and processing efficiency is higher, and service life is more
It is long.
Embodiment two
Specific embodiment two provides a kind of cutting tool, and the cutting edge portion 1 includes 70 cutting edges 12, cutting edge
12 helical angle is 58 °, and the tread of cutting edge 12 is 0.10mm, a length of 2mm of the sword of cutting edge 12, the rough surface of cutting edge 12
Degree is 0.3 μm；The groove depth of first chip space 13 is 0.10mm；The helical angle of second chip space 15 is 26 °, the second chip space 15
Groove depth is 0.10mm, between two adjacent the second chip spaces 15 between be divided into 0.55mm.
Bite of the cutting tool under the qualifications based on above-mentioned parameter, in the present embodiment in the embodiment of the present invention
Tool, machining accuracy and processing effect are attained by preferable effect, and processing efficiency is higher, and service life is than traditional hard
Alloy cutting tool and existing welding type PCD cutting tool are longer.
Embodiment three
This specific embodiment provides a kind of cutting tool comprising 80 cutting edges 12, the helical angle of cutting edge 12 are
52 °, the tread of cutting edge 12 is 0.06mm, and a length of 1.6mm of the sword of cutting edge 12, the surface roughness of cutting edge 12 is 0.2 μm；
The groove depth of first chip space 13 is 0.08mm；The helical angle of second chip space 15 is 22 °, and the groove depth of the second chip space 15 is
0.08mm, between two adjacent the second chip spaces 15 between be divided into 0.40mm.
The embodiment of the present invention and in cutting tool under the qualifications based on above-mentioned parameter, the processing of cutting tool is imitated
Fruit is more superior, and machining accuracy is higher, and processing efficiency is higher, and service life is than traditional cemented carbide cutting tool and now
Some welding type PCD cutting tools are longer.
Example IV
The present embodiment provides a kind of cutting tools comprising 64 cutting edges 12, the helical angle of cutting edge 12 are 66 °, are cut
The tread for cutting sword 12 is 0.14mm, and a length of 2.8mm of the sword of cutting edge 12, the surface roughness of cutting edge 12 is 0.36 μm；First
The groove depth of chip space 13 is 0.12mm；The helical angle of second chip space 15 is 38 °, and the groove depth of the second chip space 15 is 0.12mm,
0.65mm is divided between two adjacent the second chip spaces 15.
The embodiment of the present invention and in cutting tool under the qualifications based on above-mentioned parameter, the processing of cutting tool is imitated
Fruit is more superior, and machining accuracy is higher, and processing efficiency is higher, and service life is than traditional cemented carbide cutting tool and now
Some welding type PCD cutting tools are longer.
To sum up, the embodiment of the present invention provides a kind of cutting tool, its cutting edge portion 1 and the ultrasonic knife including cutting tool
Has component, the material of the cutting edge portion 1 of cutting tool is polycrystalline diamond, and several cutting edges 12 are set to by being integrally formed
It the outer surface of cutter body 11, can be in same outer diameter relative to existing welding type PCD cutting tool to form cutting edge portion 1
Cutter body 11 on more cutting edge 12 is set, the design of the form and structure of cutting edge 12 is more diversified, lead to
The multiple polycrystalline diamond cutting edges 12 for crossing setting can be improved the cutting hardness and hardness of cutting tool, and then improve cutting
The machining accuracy of cutter, prolongs the service life；And the surface of cutting edge portion 1 be circumferentially provided with along central shaft it is several in the shape of a spiral
Cutting edge 12, can adapt to higher revolving speed and bite, and then improve processing efficiency.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (17)
1. a kind of cutting edge portion for cutting tool, which is characterized in that the material of the cutting edge portion is polycrystalline diamond, institute
Stating cutting edge portion includes integrally formed cutter body and several cutting edges, and the cutting edge is helical form, each cutting edge
It is circumferentially set to the outer surface of the cutter body along the central axis of the cutter body, is set between the two neighboring cutting edge
There is the first chip space；
The first end of the cutting edge is set to the front end face of the cutter body, and the cutting edge is successively led along the cutting
The side of the front end face of body and the cutter body extends, and the second end of the cutting edge is made to be set to the side of the cutter body
Face.
2. cutting edge portion as described in claim 1, which is characterized in that further include being shaped in repairing in the cutter body
Light sword, the wiper edges are set to the first end of the cutting edge and seamlessly transit with the cutting edge.
3. cutting edge portion as described in claim 1, which is characterized in that the cutter body includes connecting by the way that an end face is fixed
The cutter body end connect and interconnecting piece, the first end of the cutting edge are set to the front end face of the cutter body end, and
The cutting edge successively extends along the front end face of the cutter body end and the side of the cutter body end, makes described cut
The second end for cutting sword is set to the side of the cutter body end, and the second end of the cutting edge is located at cutting master
The junction in body end portion and the interconnecting piece.
4. cutting edge portion as claimed in claim 3, which is characterized in that the cutter body end includes coaxial and is fixedly connected
And step-like the first cutting portion and the second cutting portion are formed, the outer diameter of first cutting portion is less than second cutting portion
Outer diameter, second cutting portion are fixedly connected with the interconnecting piece.
5. cutting edge portion as claimed in claim 4, which is characterized in that the front end face of first cutting portion and its side it
Between, adopt between first cutting portion and second cutting portion, between the front end face and its side of second cutting portion
It is connected with arc transition.
6. cutting edge portion as described in claim 1, which is characterized in that offered at the center of the front end face of the cutter body
Cooling bath, the first end of the cutting edge are set to the outer edge of the cooling bath.
7. cutting edge portion as described in claim 1, which is characterized in that the hand of spiral of the cutting edge is left-handed or right
Rotation, the helical angle of the cutting edge are 15 °~60 °.
8. cutting edge portion as described in claim 1, which is characterized in that the outer diameter of the cutter body is the ㎜ of 0.5 ㎜~135,
The number of the cutting edge is determined that the tread of the cutting edge is the ㎜ of 0.01 ㎜~0.2, described to cut by the tread of the cutting edge
Cut a length of ㎜ of 0.1 ㎜~15 of sword of sword.
9. cutting edge portion as claimed in claim 8, which is characterized in that the groove depth of first chip space is 0.05 ㎜~0.3
㎜。
10. cutting tip as claimed in claim 2, which is characterized in that a length of ㎜ of 0.01 ㎜~3 of the sword of the wiper edges.
11. cutting edge portion as described in claim 1, which is characterized in that offer and several cut with described in the cutter body
Contrary spiral second chip space of sword is cut, second chip space extends to it from the front end face of the cutter body
Side, each second chip space are circumferentially arranged along the central axis of the cutter body；Second chip space described is cut each
It cuts sword and is separated into several segments.
12. cutting edge portion as claimed in claim 11, which is characterized in that the helical angle of second chip space be 20 °~
40°。
13. cutting edge portion as claimed in claim 11, which is characterized in that between second chip space of adjacent two
It is divided into the ㎜ of 0.25 ㎜~0.75；The groove depth of second chip space is the ㎜ of 0.05 ㎜~0.15.
14. such as cutting edge portion of any of claims 1-13, which is characterized in that further include matrix, described matrix is solid
Surely it is connected to the rear end face of the cutter body, the material of described matrix is tungsten carbide base carbide alloy.
15. a kind of cutting tool, which is characterized in that including tool shank and be installed on the tool shank front end as right is wanted
Cutting edge portion described in any one of 1-14 is sought, the tool shank is connect with the rear end face of the cutter body.
16. cutting tool as claimed in claim 15, which is characterized in that the material of the tool shank is tungsten carbide-base hard
Alloy, the cutting edge portion further include matrix, and described matrix is fixedly connected on the rear end face of the cutter body, described matrix
Material is tungsten carbide base carbide alloy；The rear end face vacuum welding of the tool shank and described matrix.
17. a kind of ultrasonic cutter component, which is characterized in that including the cutting tool as described in claim 15 or 16.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/094444 WO2020063006A1 (en) | 2018-09-25 | 2019-07-02 | Diamond cutting tool for hard-brittle difficult-to-machine material |
| KR1020217005808A KR20210034663A (en) | 2018-09-25 | 2019-07-02 | Diamond cutting tool for hard brittle materials |
| JP2021500422A JP7112584B2 (en) | 2018-09-25 | 2019-07-02 | Diamond cutting tools for hard brittle and difficult-to-cut materials |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117110 | 2018-09-25 | ||
| CN2018111171100 | 2018-09-25 | ||
| CN201821574967 | 2018-09-25 | ||
| CN2018215749670 | 2018-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109396558A true CN109396558A (en) | 2019-03-01 |
| CN109396558B CN109396558B (en) | 2025-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821852918.9U Active CN209288434U (en) | 2018-09-25 | 2018-11-09 | A cutting edge part, cutting tool and ultrasonic tool assembly |
| CN201811330578.8A Active CN109396558B (en) | 2018-09-25 | 2018-11-09 | A diamond cutting tool for machining hard, brittle and difficult-to-machine materials |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821852918.9U Active CN209288434U (en) | 2018-09-25 | 2018-11-09 | A cutting edge part, cutting tool and ultrasonic tool assembly |
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| WO2020063006A1 (en) * | 2018-09-25 | 2020-04-02 | 汇专科技集团股份有限公司 | Diamond cutting tool for hard-brittle difficult-to-machine material |
| CN111376396A (en) * | 2020-03-25 | 2020-07-07 | 广东工业大学 | A processing method for milling hard and brittle materials with a multi-blade superhard tool |
| CN112355333A (en) * | 2020-10-20 | 2021-02-12 | 科益展智能装备有限公司广州分公司 | Cutter and cutter head structure thereof |
| CN112548175A (en) * | 2020-12-23 | 2021-03-26 | 河南理工大学 | Ultrasonic vibration processing device and method for aluminum-based silicon carbide composite material |
| CN113231898A (en) * | 2021-04-23 | 2021-08-10 | 西北工业大学 | SiC difficult to processfUltrasonic vibration auxiliary processing method for/SiC ceramic matrix composite material |
| CN113333801A (en) * | 2021-05-21 | 2021-09-03 | 科益展智能装备有限公司 | Tool bit structure and cutter |
| US20220355392A1 (en) * | 2019-06-20 | 2022-11-10 | Osg Corporation | Cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Cited By (8)
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| WO2020063006A1 (en) * | 2018-09-25 | 2020-04-02 | 汇专科技集团股份有限公司 | Diamond cutting tool for hard-brittle difficult-to-machine material |
| US20220355392A1 (en) * | 2019-06-20 | 2022-11-10 | Osg Corporation | Cutting tool |
| CN111376396A (en) * | 2020-03-25 | 2020-07-07 | 广东工业大学 | A processing method for milling hard and brittle materials with a multi-blade superhard tool |
| CN112355333A (en) * | 2020-10-20 | 2021-02-12 | 科益展智能装备有限公司广州分公司 | Cutter and cutter head structure thereof |
| CN112355333B (en) * | 2020-10-20 | 2023-08-08 | 科益展智能装备有限公司 | Cutter and cutter head structure thereof |
| CN112548175A (en) * | 2020-12-23 | 2021-03-26 | 河南理工大学 | Ultrasonic vibration processing device and method for aluminum-based silicon carbide composite material |
| CN113231898A (en) * | 2021-04-23 | 2021-08-10 | 西北工业大学 | SiC difficult to processfUltrasonic vibration auxiliary processing method for/SiC ceramic matrix composite material |
| CN113333801A (en) * | 2021-05-21 | 2021-09-03 | 科益展智能装备有限公司 | Tool bit structure and cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN209288434U (en) | 2019-08-23 |
| CN109396558B (en) | 2025-01-17 |
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