CN108971596A - A kind of multiple-cutting-edge finishing tool - Google Patents
A kind of multiple-cutting-edge finishing tool Download PDFInfo
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- CN108971596A CN108971596A CN201811117121.9A CN201811117121A CN108971596A CN 108971596 A CN108971596 A CN 108971596A CN 201811117121 A CN201811117121 A CN 201811117121A CN 108971596 A CN108971596 A CN 108971596A
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- cutting
- tilting section
- edge
- finishing tool
- hard alloy
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- 238000005520 cutting process Methods 0.000 claims abstract description 79
- 239000000956 alloy Substances 0.000 claims abstract description 57
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 57
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 53
- 239000010432 diamond Substances 0.000 claims abstract description 53
- 238000003466 welding Methods 0.000 claims description 14
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 11
- 239000010941 cobalt Substances 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 239000013078 crystal Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
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- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000001161 mammalian embryo Anatomy 0.000 description 4
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- 239000002699 waste material Substances 0.000 description 4
- 208000013668 Facial cleft Diseases 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000013016 damping Methods 0.000 description 1
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- 238000003801 milling Methods 0.000 description 1
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- 229910052758 niobium Inorganic materials 0.000 description 1
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
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- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1081—Shank-type cutters, i.e. with an integral shaft with permanently fixed cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0485—Helix angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/31—Diamond
- B23C2226/315—Diamond polycrystalline [PCD]
Abstract
The invention discloses a kind of multiple-cutting-edge finishing tools, including knife handle and it is fixedly connected on the cutter head on the knife handle head, the cutter head includes the polycrystalline diamond layer for being formed by hard alloy layer by hard alloy and being fixedly connected on the hard alloy layer, the polycrystalline diamond layer has a plurality of cutting edge, the cutting edge is in tilted layout, and the cutting edge includes the first tilting section extended along cutter head outer wall inclination and the second tilting section for being connected to first tilting section, second tilting section is recessed in first tilting section, the junction of second tilting section and first tilting section forms a boss, the knife handle is formed using hard alloy.For every cutting edge, since the junction of the second tilting section and the first tilting section forms a boss, the presence of the boss enables to cutting edge during cutting, which can effectively remove Burr removal, prevent workpiece from collapsing scarce, to ensure that the quality of workpiece.
Description
Technical field
The present invention relates to technical fields of mechanical processing, and in particular to a kind of multiple-cutting-edge finishing tool.
Background technique
Diamond cutter have extreme hardness and wearability, high heat conductance, low thermal coefficient of expansion, low-friction coefficient, with it is non-
The features such as ferrous metal affinity is small makes it obtain very high machining accuracy and processing efficiency in high-speed cutting, is based on this Buddha's warrior attendant
Stone cutter using more and more extensive.
The processing characteristics of diamond cutter are determined by the crystal structure of diamond, each in diamond crystal
A carbon atom and four adjacent carbon atoms form covalent bonds, are spatially in positive tetrahedron structure, between the carbon atom of this structure
Binding force is high, is macroscopically showing high hardness.
Currently, diamond cutter mainly has single-crystal diamond (MCD) cutter, polycrystalline diamond (PCD) cutter and diamond
Coated cutting tool.Due to the characteristic of diamond lattic structure, the directionality of performance is very strong, and single-crystal diamond is easily along its cleavage facial cleft；
Polycrystalline diamond is formed by the different fine diamond of orientation is grained sintered, is shown as isotropy, is not easy along its cleavage facial cleft；
Diamond-coated tools also can get isotropic diamond coatings, so being not easy along its cleavage by controlling depositing operation
Facial cleft.
In addition, polycrystal diamond cutter compares with diamond-coated tools, there are diamond coatings and hard to close by the latter
Gold substrate binding force is weak, between coating and substrate difference of thermal expansion coefficients it is larger and the problems such as generate internal stress, diamond coatings knife
In high-speed milling disbonding easily occurs for tool, leads to coating failure.Although as the former due to be added adhesive, hardness and
Wearability is lower than diamond-coated tools, but it is used since there is no the serious binding force problem of diamond-coated tools
It is more extensive compared with the former.
For polycrystal diamond cutter, still has the characteristics that high rigidity, therefore this kind of cutter in the prior art
It is limited to the factors such as manufacturing process and often only has single-blade, twolip perhaps four swords and either single-blade, twolip or four swords, adopts
With the mode of weld tabs, i.e., polycrystalline diamond material is welded on blade, which uses as cutting.
The chamfered shape of these blades is relatively simple simultaneously, only has the cutter head shape of simple geometry profile, this kind of polycrystalline diamond knife
Tool is in processing, since with less blade, so that the cutting output of each blade is big, cutting output will cause greatly biggish mill
Damage, thus finally make the service life of this kind of cutter shorter, ten~20 workpiece of often polishing, it is necessary to replace cutter, make
At the waste of material, simultaneously because blade is less and cutter head shape is simple, easily cause the smart rugosity of workpiece surface after processing compared with
Greatly, or even flash is generated, causes the problem that workpiece quality is low.Meanwhile less blade will make processing efficiency be restricted.
In addition, the cutter head of simple geometry profile can not process the workpiece of labyrinth.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the present invention needs to provide a kind of multiple-cutting-edge finishing tool, which has more cutting
Sword is cut simultaneously with improving cutting-tool's used life, the waste for reducing material, improving processing efficiency and ensuring the quality of workpiece
The chamfered shape of sword is complicated, can prevent flash, can process the workpiece of labyrinth.
According to an embodiment of the invention, the multiple-cutting-edge finishing tool includes including knife handle and being fixedly connected on the knife handle head
The cutter head in portion, the cutter head include being formed by hard alloy layer by hard alloy and being fixedly connected on the hard alloy layer
Polycrystalline diamond layer, the polycrystalline diamond layer has a plurality of cutting edge, and the cutting edge is in tilted layout, and the cutting edge
Including the first tilting section extended along cutter head outer wall inclination and the second tilting section for being connected to first tilting section, institute
It states the second tilting section and is recessed in first tilting section, the junction formation one of second tilting section and first tilting section
Boss, the knife handle are formed using hard alloy.
As the further optinal plan of the multiple-cutting-edge finishing tool, second tilting section and first tilting section
Arc transition, the boss are arc boss.
As the further optinal plan of the multiple-cutting-edge finishing tool, the hard alloy is the conjunction of tungsten carbide-base hard
Gold.
As the further optinal plan of the multiple-cutting-edge finishing tool, the matter of the cobalt in the tungsten carbide base carbide alloy
It measures percentage and is no more than 12%, grain size is no more than 0.4 μm, and hardness is HRA92~93.
As the further optinal plan of the multiple-cutting-edge finishing tool, the polycrystalline diamond layer is with the hard alloy
Layer is that substrate is sintered.
As the further optinal plan of the multiple-cutting-edge finishing tool, the knife handle and the hard alloy layer pass through weldering
It connects and achieves a fixed connection.
As the further optinal plan of the multiple-cutting-edge finishing tool, the polycrystalline diamond has 12 cuttings
Sword.
As the further optinal plan of the multiple-cutting-edge finishing tool, the polycrystalline diamond has 18 cuttings
Sword.
As the further optinal plan of the multiple-cutting-edge finishing tool, the front of the cutting edge is inclined smooth
Face, the back side of the cutting edge be compared with the more inclined arcwall face in front, the back side of a cutting edge with it is another
The front of a adjacent cutting edge forms chip space.
As the further optinal plan of the multiple-cutting-edge finishing tool, the bottom of the chip space is smooth smooth
Face.
Beneficial effects of the present invention:
According to the multiple-cutting-edge finishing tool in above embodiments, since polycrystalline diamond layer has a plurality of cutting edge, so that
For the multiple-cutting-edge finishing tool when carrying out cutwork, the cutting output of each cutting edge is smaller, and cutting output is small will to wear
It is controlled, to finally make the service life of this kind of cutter elongated.Meanwhile having the multiple-cutting-edge finishing tool of a plurality of cutting edge also
The waste of material can be reduced, processing efficiency is improved and ensures the quality of workpiece.In addition, for every cutting edge, due to
The junction of second tilting section and the first tilting section forms a boss, and the presence of the boss enables to cutting edge in the mistake of cutting
Cheng Zhong, the boss can effectively remove Burr removal, prevent workpiece from collapsing scarce, further ensure the quality of workpiece.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the composition figure for implementing provided multiple-cutting-edge finishing tool according to the present invention；
Fig. 2 shows a kind of perspective views of multiple-cutting-edge finishing tool provided by according to embodiments of the present invention one；
Fig. 3 shows the partial enlarged view of the part A in Fig. 1；
Fig. 4 show according to embodiments of the present invention one provided by a kind of top view of multiple-cutting-edge finishing tool；
Fig. 5 show according to embodiments of the present invention two provided by a kind of perspective view of multiple-cutting-edge finishing tool；
Fig. 6 shows the partial enlarged view of the part B in Fig. 4；
Fig. 7 show according to embodiments of the present invention two provided by a kind of top view of multiple-cutting-edge finishing tool；
Fig. 8 is shown implements a kind of provided manufacturing method flow chart of multiple-cutting-edge finishing tool according to the present invention.
In figure: 100- knife handle；200- cutter head；210- hard alloy layer；220- polycrystalline diamond layer；221- cutting edge；
222- chip space；The first tilting section of 2211-；The second tilting section of 2212-；2213- boss；The front 2214-；The back side 2215-.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
It please refers to Fig. 1-7, in embodiments of the present invention, provides a kind of multiple-cutting-edge finishing tool, multiple-cutting-edge finishing
Cutter is for the finishing to workpiece.The multiple-cutting-edge finishing tool includes knife handle 100 and the knife for being fixedly connected on 100 head of knife handle
First 200, cutter head 200 includes being formed by hard alloy layer 210 by hard alloy and being fixedly connected on hard alloy layer 210
Polycrystalline diamond layer 220, polycrystalline diamond layer 220 have a plurality of cutting edge 221, and cutting edge 221 is in tilted layout, and cutting edge
221 include tilting the first tilting section 2211 extended along 200 outer wall of cutter head and being connected to the second of the first tilting section 2211 to incline
Oblique section 2212, the second tilting section 2212 are recessed in the first tilting section 2211, the second tilting section 2212 and the first tilting section 2211
Junction forms a boss 2213, and knife handle 100 is formed using hard alloy.
In this way, since there are at least eight cutting edges 221 due to polycrystalline diamond layer 220, so that the multiple-cutting-edge finishes knife
For tool when carrying out cutwork, the cutting output of each cutting edge 221 is smaller, and cutting output is small will to make abrasion be controlled, from
And finally make the service life of this kind of cutter elongated.Meanwhile the multiple-cutting-edge finishing tool for having a plurality of cutting edge 221 can also be reduced
The waste of material improves processing efficiency and ensures the quality of workpiece.In addition, for every cutting edge 221, incline due to second
The junction of oblique section 2212 and the first tilting section 2211 forms a boss 2213, and the presence of the boss 2213 enables to cutting edge
221 during cutting, which can effectively remove Burr removal, prevents workpiece from collapsing scarce, further ensures workpiece
Quality
Below with reference to specific embodiment, the invention will be further described.
Embodiment one
The present embodiment one provides a kind of multiple-cutting-edge finishing tool, for finishing to workpiece.
Fig. 1-4 is please referred to, the polycrystalline diamond layer 220 of the multiple-cutting-edge finishing tool has 12 cutting edges 221.
In the present embodiment, hard alloy used in hard alloy layer 210 and knife handle 100 can ensure entire cutter tool
There is enough intensity, to guarantee cutter is long-term, stable use.
Hard alloy has a series of excellent performances such as hardness is high, wear-resisting, intensity and toughness are preferable, heat-resisting, corrosion-resistant, special
Be not its high rigidity and wearability, even if 500 DEG C at a temperature of be held essentially constant, still have at 1000 DEG C very high
Hardness.Hard alloy refers to the sintered combined material at least containing a kind of metal carbides composition.Tungsten carbide, cobalt carbide, carbonization
Niobium, titanium carbide, tantalum carbide are the common ingredients of wolfram steel.The crystallite dimension of carbide component (or phase) is usually in 0.2-10 micron
Between, carbide grain is combined together using metal adhesive.Binder typically refers to metallic cobalt (Co), but to some special
Purposes, nickel (Ni), iron (Fe) or other metals and alloy can also be used.
In the present embodiment, above-mentioned hard alloy selects tungsten carbide base carbide alloy, and in tungsten carbide base carbide alloy
Cobalt mass percent be no more than 12%, grain size be no more than 0.4 μm, hardness HRA92-93.
It is appreciated that in general, tungsten carbide crystal grain degree is smaller when cobalt content is identical, hardness is bigger, wearability
It is better, but bending strength, toughness relative reduction.In addition, cobalt content is bigger when other conditions are constant, the toughness of material is better,
But hardness relative reduction.Therefore specifically how to select material that should depend on the circumstances.
For example, in certain embodiments, the quality percentage amounts of the cobalt in above-mentioned tungsten carbide base carbide alloy are 12%, crystal grain
Degree is 0.4 μm, hardness HRA92.5, density 14.10g/cm3, bending strength 4200N/mm2.Hereinafter involved carbonization
Tungsten base cemented carbide can be referred to by taking this specific tungsten carbide base carbide alloy as an example.
Certainly, in other embodiments, it also can choose other types of hard alloy.
In the present embodiment, polycrystalline diamond layer 220 with hard alloy layer 210 be substrate be sintered, and knife handle 100 with
Hard alloy layer 210 is achieved a fixed connection by welding.
When hard alloy selects aforementioned tungsten carbide base carbide alloy, when being welded, hard alloy layer 210 and knife handle
100 welding are the butt welding of tungsten carbide base carbide alloy and tungsten carbide base carbide alloy, and deformation quantity is more closely, welding stability
It is good.
Incorporated by reference to reference Fig. 2-3, in the present embodiment, the front 2214 of cutting edge 221 is inclined burnishing surface, cutting edge
221 back side 2215 is compared with positive 2214 more inclined arcwall faces, the back side 2215 and another phase of a cutting edge 221
The front 2214 of adjacent cutting edge 221 forms chip space 222.
In this way when carrying out cutwork, the front 2214 of cutting edge 221 is applied to workpiece, guarantees the smooth of cutwork
Carry out, and cutwork of the back side 2215 of arc then for positive 2214 provides strong support, prevent cutting edge 221 by
It squeezes and deforms, be able to extend cutting-tool's used life.
In addition, being considered to be worth doing by the appearance that the chip space 222 that the back side 2215 and front 2214 of arc are formed can increase chip space 222
Space provides basis for more smoothly chip removal work.
Please continue to refer to Fig. 2-3, in the present embodiment, the bottom of chip space 222 is smooth shiny surface.
In other words, the joint of two neighboring cutting edge 221 is smooth shiny surface, at this time when scrap is present in chip space
When in 222, scrap is enabled to be discharged along smooth shiny surface.
When cutting depth is shallower, the end of cutting edge 221 is applied to workpiece, and cutting edge 221 is reserved in cutting at this time
Chip space 222 it is sufficiently large, scrap will not form extruding in chip space 222, therefore not have to worry chip removal situation.
And when cutting depth is deeper, the volume of reserved chip space 222 is smaller at this time, and scrap is easy in chip space 222
It inside accumulates, certain difficulty is caused to chip removal.
In this regard, in the present embodiment, referring to FIG. 3, cutting edge 221 may include the first tilting section 2211 and the second inclination
Section 2212, the second tilting section 2212 is recessed in the first tilting section 2211, the company of the second tilting section 2212 and the first tilting section 2211
It meets place and forms a boss 2213.At this moment, the cutting edge 221 of above-mentioned setting at work, is cut by the second tilting section 2212
Work, being formed by the part corresponding with the first tilting section 2211 of chip space 222 between cutting edge 221 at this time can be good at cruelly
Expose, to ensure that going on smoothly for chip removal work.
Referring to FIG. 8, in order to form 12 cutting edges 221 on polycrystalline diamond layer 220, the present embodiment also mentions simultaneously
A kind of manufacturing method of multiple-cutting-edge finishing tool has been supplied, method includes the following steps:
S100, hard alloy is taken to form the thick embryo of knife handle；
S200, the thick embryo of knife handle is truncated, cylindrical grinding forms the knife handle of required size；
S300, hard alloy is taken to form hard alloy layer；
S400, sinter molding goes out polycrystalline diamond layer on hard alloy layer；
S500, knife handle and hard alloy layer are welded together；And
S600, galvano-cautery processing is carried out to polycrystalline diamond layer to form cutting edge.
In this way, powerful discharge with explosion makes since galvano-cautery processing can generate the pulse discharging energy of high concentration
The metal melt of polycrystalline diamond layer 220, part diamond graphitization and oxidation, part diamond drop-off, so as to obtain
Greater number of cutting edge 221, it is good manufacturability, high-efficient.
In addition, by galvano-cautery processing it is also possible that cutting edge has complicated contours profiles, such as aforementioned boss
2213 etc..
It should be noted that above-mentioned steps S600 is completed by spark eroding machine, the spark eroding machine into
One step may be selected to inspire confidence in your silent QXD250.
Using inspire confidence in you write from memory QXD250 carry out galvano-cautery processing can refer to following step:
S610, the outside diameter for being ground polycrystalline diamond layer 220；
S620, the profile that cutting edge 221 is processed with shaped electrode；
S630, chip space 222 is opened, until cutting edge 221 has predetermined tread；And
S640, machining center empty avoiding.
Abovementioned steps S640 primarily serves damping, and the effect of empty avoiding specifically can be by way of laser processing each
An aperture is made a call at the center that cutting edge 221 the is surrounded i.e. center of cutter head 200.
In some embodiments, in order to improve the welding of the knife handle 100 in abovementioned steps S500 Yu hard alloy layer 210
Effect can also include step S450 between step S400 and step S500.At this point, above-mentioned manufacturing method can be with are as follows:
S100, hard alloy is taken to form the thick embryo of knife handle；
S200, the thick embryo of knife handle is truncated, cylindrical grinding forms the knife handle of required size；
S300, hard alloy is taken to form hard alloy layer；
S400, sinter molding goes out polycrystalline diamond layer on hard alloy layer；
S450, to the welding surface sanding and polishing of knife handle 100 and hard alloy layer 210.
S500, knife handle and hard alloy layer are welded together；And
S600, galvano-cautery processing is carried out to polycrystalline diamond layer to form cutting edge.
In order to ensure sanding and polishing effect, sanding and polishing can be realized by surface grinding machine, and ensure that the essence of welding surface is rough
Degree is no more than Ra0.4.
Further, step 5400 can refer to following step progress:
S510, soldering paste is coated on the welding surface of knife handle 100 and hard alloy layer 210；
S520, knife handle 100 and hard alloy layer 210 are fixed using welding fixture；
S530, by knife handle 100 and hard alloy layer 210 as carrying out vacuum welding in vacuum brazing stove；And
S540, cooling.
It should be noted that the welding temperature of the vacuum welding in above-mentioned steps S530 is 600 DEG C~700 DEG C, when welding
A length of 2~3 hours.Cooling in step S540 uses natural air cooling mode.
So far, implementation by the above-mentioned manufacture method may make polycrystalline diamond layer 220 to have greater number of cutting
Sword 221, and cutting edge 221 is enabled to have increasingly complex profile simultaneously, the workpiece of more complexity can be processed.
In addition, it is necessary to, it is noted that when using above-mentioned manufacturing method, it should be noted that the parameters of cutting edge 221, example
Such as helical angle, sword slot anterior angle, sword slot length, groove depth, anterior angle fathoms and tread.
For the multiple-cutting-edge finishing tool in embodiment of the present invention, helical angle is 15~30 degree optional, before sword slot
Angle may be selected 7~15 degree, and sword slot length may be selected 3~7 millimeters, and groove depth may be selected 1.5~2.5 millimeters, and anterior angle fathoms can
0.2~1 millimeter of selection, tread may be selected 0.05~1 millimeter.
Certainly, when actually carrying out these parameter regulations, the case where being processed according to actual field etc., is adjusted and really
The specific value of these fixed parameters
Embodiment two
The present embodiment two provides a kind of multiple-cutting-edge finishing tool, for finishing to workpiece.
Fig. 5-7 is please referred to, the polycrystalline diamond layer 220 of the multiple-cutting-edge finishing tool has 18 cutting edges 221.
Compared with embodiment one, the present embodiment has more cutting edges 221, at this time the multiple-cutting-edge finishing in the present embodiment two
Work cutter has effect more better than multiple-cutting-edge finishing tool in embodiment one.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of multiple-cutting-edge finishing tool, including knife handle and it is fixedly connected on the cutter head on the knife handle head, which is characterized in that institute
Stating cutter head includes the plycrystalline diamond Buddha's warrior attendant for being formed by hard alloy layer by hard alloy and being fixedly connected on the hard alloy layer
Rock layers, the polycrystalline diamond layer have a plurality of cutting edge, and the cutting edge is in tilted layout, and the cutting edge includes along institute
State the first tilting section and the second tilting section for being connected to first tilting section that the inclination of cutter head outer wall extends, second inclination
Section is recessed in first tilting section, and one boss of junction formation of second tilting section and first tilting section is described
Knife handle is formed using hard alloy.
2. multiple-cutting-edge finishing tool as described in claim 1, which is characterized in that second tilting section and first inclination
Section arc transition, the boss are arc boss.
3. multiple-cutting-edge finishing tool as described in claim 1, which is characterized in that the hard alloy is the conjunction of tungsten carbide-base hard
Gold.
4. multiple-cutting-edge finishing tool as claimed in claim 3, which is characterized in that cobalt in the tungsten carbide base carbide alloy
Mass percent is no more than 12%, and grain size is no more than 0.4 μm, and hardness is HRA92~93.
5. multiple-cutting-edge finishing tool as described in claim 1, which is characterized in that the polycrystalline diamond layer is closed with the hard
Layer gold is that substrate is sintered.
6. multiple-cutting-edge finishing tool as described in claim 1, which is characterized in that the knife handle passes through with the hard alloy layer
Welding achieves a fixed connection.
7. multiple-cutting-edge finishing tool as described in claim 1, which is characterized in that the polycrystalline diamond has 12 cuttings
Sword.
8. multiple-cutting-edge finishing tool as described in claim 1, which is characterized in that the polycrystalline diamond has 18 cuttings
Sword.
9. multiple-cutting-edge finishing tool as claimed in claim 7 or 8, which is characterized in that the front of the cutting edge is inclined
Burnishing surface, the back side of the cutting edge be compared with the more inclined arcwall face in front, the back side of a cutting edge and
The front of another adjacent cutting edge forms chip space.
10. multiple-cutting-edge finishing tool as claimed in claim 9, which is characterized in that the bottom of the chip space is smooth light
Sliding surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811117121.9A CN108971596A (en) | 2018-09-25 | 2018-09-25 | A kind of multiple-cutting-edge finishing tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811117121.9A CN108971596A (en) | 2018-09-25 | 2018-09-25 | A kind of multiple-cutting-edge finishing tool |
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| CN108971596A true CN108971596A (en) | 2018-12-11 |
Family
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| CN201811117121.9A Withdrawn CN108971596A (en) | 2018-09-25 | 2018-09-25 | A kind of multiple-cutting-edge finishing tool |
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Effective date of registration: 20200219 Address after: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Science City Nanyun No. 2 Road No. 8 Product Yao Electronics Industry Park Door and Machine Building (Block C) First and Second Floors Applicant after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant after: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. GUANGZHOU BRANCH Address before: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Science City Nanyun No. 2 Road No. 8 Product Yao Electronics Industry Park Door and Machine Building (Block C) First and Second Floors Applicant before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant before: CONPROFE GREEN TOOLS Co.,Ltd. |
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Application publication date: 20181211 |