CN204657590U - A kind of polycrystalline diamond screw-on cutter - Google Patents
A kind of polycrystalline diamond screw-on cutter Download PDFInfo
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- CN204657590U CN204657590U CN201520303242.8U CN201520303242U CN204657590U CN 204657590 U CN204657590 U CN 204657590U CN 201520303242 U CN201520303242 U CN 201520303242U CN 204657590 U CN204657590 U CN 204657590U
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- cutting portion
- shank section
- polycrystalline diamond
- cutter
- cutting
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- 229910003460 diamond Inorganic materials 0.000 title abstract 4
- 239000010432 diamond Substances 0.000 title abstract 4
- 238000007599 discharging Methods 0.000 abstract 3
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Abstract
The utility model discloses a kind of polycrystalline diamond screw-on cutter, comprise shank section; Cutting portion, described cutting portion is extended forward by one end of described shank section to obtain, described cutting portion is provided with at least two spiral cutting edges and the chip area between adjacent two cutting edges, described cutting portion is provided with groove away from one end of described shank section, and described groove is communicated with described chip area; Catch, described catch is around described shank section, and the chip area of the contiguous described cutting portion of described catch; Described shank section and cutting portion are polycrystalline diamond.By the way, the utility model can strengthen its chip removal performance, in addition, when cutting object, stopped that by catch the bits of discharging are towards the end motion of shank section away from cutting portion, prevent the bits of discharging from spattering and hinder user, or stop that the bits of discharging enter in the driving arrangement driving polycrystalline diamond screw-on cutter, damage driving arrangement.
Description
Technical field
The utility model relates to cutting-tool engineering field, particularly relates to a kind of polycrystalline diamond screw-on cutter.
Background technology
Milling cutter is the rotary cutter with one or more cutter tooth for Milling Process, is mainly used in processing plane, step, groove, profiled surface and cut-out workpiece etc. on milling machine.
Inventor of the present utility model finds in studying for a long period of time: milling cutter of the prior art, and in the process of machining, chip removal is poor, and easily cause cutter tooth easily sticky bits, aggravation cutter wear, loses the life-span of milling cutter.In addition, in the process of machining, due to milling cutter high-speed rotation, bits easily fly out from milling cutter, spatter and hinder user, or damage equipment.Especially enter to add man-hour to object milling cutter is bottom-up, consider the brighter work of situation flown to be worth doing.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of polycrystalline diamond screw-on cutter, can strengthen its chip removal performance; In addition, when cutting object, stopped that by catch the bits of discharging are towards the end motion of shank section away from cutting portion, prevent the bits of discharging from spattering and hinder user, or stop that the bits of discharging enter in the driving arrangement driving polycrystalline diamond screw-on cutter to rotate, damage driving arrangement.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of polycrystalline diamond screw-on cutter, comprising: shank section; Cutting portion, described cutting portion is extended forward by one end of described shank section to obtain, described cutting portion is provided with at least two spiral cutting edges and the chip area between adjacent two cutting edges, described cutting portion is provided with groove away from one end of described shank section, and described groove is communicated with described chip area; Catch, described catch is around described shank section, and the chip area of the contiguous described cutting portion of described catch; Described shank section and cutting portion are polycrystalline diamond.
Wherein, the shape of described catch is arc, and the nock of described catch is towards described cutting portion.
Wherein, described catch is polycrystalline diamond, aluminium, iron or stainless steel.
Wherein, one end that described shank section cuts portion away from described cutter is provided with fixed mechanism, and described fixed mechanism is used for fixing with fixture, is fixed on described fixture to make described polycrystalline diamond screw-on cutter.
Wherein, described fixed mechanism is fixing hole, and the quantity of described fixing hole is multiple, and described multiple fixing hole is a word arrangement.
Wherein, described shank section cuts the shape of the one end in portion away from described cutter is square or hexagon.
Wherein, the helical angle of described at least two cutting edges is all not identical.
Wherein, the angular range 36 degree to 47 degree of the helical angle of described at least two cutting edges.
Wherein, described shank section is provided with the first cooling duct and the first Cooling Holes, described first Cooling Holes is arranged at the end face of described shank section away from one end of described cutting portion, described shank section is run through in described first cooling duct, and one end of described first cooling duct is communicated with described first Cooling Holes; Described cutting portion is provided with the second cooling duct and the second Cooling Holes, one end of described second cooling duct is communicated with the other end of described first cooling duct, the other end of described second cooling duct is communicated with described second Cooling Holes, and described second Cooling Holes is positioned at described cutting portion one end away from described shank section.
Wherein, described second Cooling Holes is just to described cutting edge, and the quantity of described second Cooling Holes is multiple.
The beneficial effects of the utility model are: the situation being different from prior art, the utility model extends forward by one end of shank section the cutting portion obtained, cutting portion is provided with cutting edge and the chip area between adjacent two cutting edges, cutting portion is provided with groove away from one end of shank section, groove is communicated with chip area, make when cutting portion cuts object, object is cut the bits that position produces and enters chip area by groove, is discharged by chip area; In addition, by catch around shank section, catch can stop that the bits of being discharged by chip area are towards the end motion of shank section away from cutting portion, prevent the bits of discharging from spattering and hinder user, or stop that the bits of discharging enter in the driving arrangement driving polycrystalline diamond screw-on cutter to rotate, damage driving arrangement.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model polycrystalline diamond screw-on cutter first embodiment;
Fig. 2 is the schematic diagram of the utility model polycrystalline diamond screw-on cutter second embodiment;
Fig. 3 is the schematic diagram of the utility model polycrystalline diamond screw-on cutter the 3rd embodiment;
Fig. 4 is the schematic diagram that the utility model has wear-resistant milling cutter first embodiment of polycrystalline cubic boron nitride coating;
Fig. 5 is the schematic diagram that the utility model has wear-resistant milling cutter second embodiment of polycrystalline cubic boron nitride coating;
Fig. 6 is the schematic diagram that the utility model has wear-resistant milling cutter the 3rd embodiment of polycrystalline cubic boron nitride coating.
Detailed description of the invention
For the ease of understanding the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.It should be noted that, when element is stated " being fixed on " another element, it can directly on another element or can there is one or more element placed in the middle therebetween.When an element is stated " connection " another element, it can be directly connected to another element or can there is one or more element placed in the middle therebetween.The term " vertical " that this description uses, " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using of this description and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in description of the present utility model in this description just in order to describe concrete embodiment is not for limiting the utility model.The term "and/or" that this description uses comprises arbitrary and all combinations of one or more relevant Listed Items.
Below in conjunction with drawings and embodiments, the utility model is elaborated.
Refer to Fig. 1, polycrystalline diamond screw-on cutter 20 comprises shank section 21, cutting portion 22 and catch 23.Cutting portion 22 is extended forward by one end of shank section 21 to obtain, in the present embodiment, preferably, shank section 21 and cutting portion 22 are polycrystalline diamond, because the hardness of polycrystalline diamond is higher, make polycrystalline diamond screw-on cutter 20 can the higher object of cutting hardness, and improve polycrystalline diamond screw-on cutter 20 wearability.
Cutting portion 22 is provided with at least two spiral cutting edges 221 and the chip area 222 between adjacent two cutting edges 221, and cutting portion 22 is provided with groove 223 away from one end of shank section 21, and groove 223 is communicated with chip area 222.When cutting portion 22 pairs of objects cut, object is cut the bits that position produces and enters chip area 222 by groove 223, discharges finally by chip area 222, improves the chip removal ability of polycrystalline diamond screw-on cutter 20.
Catch 23 is around shank section 21, and the chip area 222 of the contiguous cutting portion 22 of catch 23.When cutting portion 22 pairs of objects cut, object is cut bits that position produces when being discharged by chip area 222, and catch 23 stops that bits are towards the end motion of shank section 21 away from cutting portion 22.Especially be positioned at above polycrystalline diamond screw-on cutter 20 at the object be cut, when polycrystalline diamond screw-on cutter 20 cuts this object upward, catch 23 effectively can stop that bits spatter and hinder user, or stops that bits enter the driving arrangement driving polycrystalline diamond screw-on cutter 20.In the present embodiment, preferably, the shape of catch 23 is arc, and the nock of catch 23 is towards cutting portion 22; Catch 23 is polycrystalline diamond, aluminium, iron or stainless steel.
Refer to Fig. 2, Fig. 2 is the schematic diagram of the second embodiment of the utility model polycrystalline diamond screw-on cutter, and polycrystalline diamond screw-on cutter second embodiment and the first embodiment difference are:
One end that shank section 21 cuts portion 22 away from cutter is provided with fixed mechanism 211, and fixed mechanism 211, for fixing with fixture, is fixed on fixture to make polycrystalline diamond screw-on cutter 20.In the present embodiment, fixed mechanism 211 is fixing hole, and the quantity of fixing hole is multiple, and multiple fixing hole is a word arrangement, and the fixing hole of a word arrangement facilitates fixture to regulate clamping shank section 21 length.
When fixing to make polycrystalline diamond screw-on cutter 20 and fixture, fixing between polycrystalline diamond screw-on cutter 20 and fixture is more firm, preferably, shank section 21 cuts the one end in portion 22 shape away from cutter is square or hexagon, and square or hexagonal shank section 21 can be fixed by fixture.
Further, the helical angle of at least two cutting edges 221 is all not identical, and avoid when cutting object, cutting portion 22 produces resonance, the effect that impact is cut.Preferably, the angular range of the helical angle of at least two cutting edges 221 is 36 degree to 47 degree, thus makes the cutting ability of cutting portion 22 best.
Refer to Fig. 3, Fig. 3 is the schematic diagram of the 3rd embodiment of the utility model polycrystalline diamond screw-on cutter, and polycrystalline diamond screw-on cutter the 3rd embodiment and the first embodiment, the second embodiment difference are:
Shank section 21 is provided with the first cooling duct 212 and the first Cooling Holes 213, first Cooling Holes 213 is arranged at the end face of shank section 21 away from one end of cutting portion 22, shank section 21 is run through in first cooling duct 212, and one end of the first cooling duct 212 is communicated with the first Cooling Holes 213.Cutting portion is provided with the second cooling duct (not shown) and the second Cooling Holes 224, one end of second cooling duct is communicated with the other end of the first cooling duct 212, the other end of the second cooling duct is communicated with the second Cooling Holes 224, and the second Cooling Holes 224 is positioned at cutting portion 22 one end away from shank section 21.When polycrystalline diamond screw-on cutter 20 cuts, thermal current can along the second cooling duct, the second Cooling Holes 224, first cooling duct 212 and the first Cooling Holes 213 discharge, also cooling fluid can be injected by the second cooling duct, the second Cooling Holes 224, first cooling duct 212 and the first Cooling Holes 213, cutting portion 22 is cooled, can effectively prevent in the process of cutting, cutting portion 22 is overheated, damages cutting portion 22.In the present embodiment, the second Cooling Holes 224 is just to cutting edge 221, and the quantity of the second Cooling Holes 224 is multiple.
In the present embodiment, the cutting portion obtained is extended forward by one end of shank section, cutting portion is provided with cutting edge and the chip area between adjacent two cutting edges, cutting portion is provided with groove away from one end of shank section, groove is communicated with chip area, make when cutting portion cuts object, object is cut the bits that position produces and enters chip area by groove, is discharged by chip area; In addition, by catch around shank section, catch can stop that the bits of being discharged by chip area are towards the end motion of shank section away from cutting portion, prevent the bits of discharging from spattering and hinder user, or stop that the bits of discharging enter in the driving arrangement driving polycrystalline diamond screw-on cutter, damage driving arrangement.
The utility model also provides the wear-resistant milling cutter embodiment with polycrystalline cubic boron nitride coating.Refer to Fig. 4, Fig. 4 is the schematic diagram that the utility model has wear-resistant milling cutter first embodiment of polycrystalline cubic boron nitride coating, and the wear-resistant milling cutter 30 with polycrystalline cubic boron nitride coating comprises shank section 31, cutting portion 32 and polycrystalline cubic boron nitride coating (not shown).Cutting portion 32 is extended forward by one end of shank section 31 to obtain.
Cutting portion 32 is provided with at least two spiral cutting edges 321 and the chip area 322 between adjacent two cutting edges 321, the surface at the top of cutting edge 321 arranges sawtooth 3211, make when cutting object, the cutting ability with the wear-resistant milling cutter 30 of polycrystalline cubic boron nitride coating is better.Cutting portion 32 is provided with groove 323 away from one end of shank section 31, groove 323 is communicated with chip area 322, and when cutting portion 32 pairs of objects cut, object is cut the bits that position produces and enters chip area 322 by groove 323, discharge finally by chip area 322, improve chip removal ability; In addition, chip area 322 is provided with pre-determined tilt angle, improves the chip removal ability with the wear-resistant milling cutter 30 of polycrystalline cubic boron nitride coating further.
Polycrystalline cubic boron nitride coating is arranged at the surface of cutting edge 321 and chip area 322, and cover the surface of cutting edge 321 and chip area 322, wherein, because the hardness of polycrystalline cubic boron nitride is higher, improve the hardness with the wear-resistant milling cutter 30 of polycrystalline cubic boron nitride coating, in turn enhance the wearability of the wear-resistant milling cutter 30 with polycrystalline cubic boron nitride coating; In addition, the material that shank section 31 and cutting portion 32 can use hardness low compared with polycrystalline cubic boron nitride, when ensureing to have the hardness of wear-resistant milling cutter 30 of polycrystalline cubic boron nitride coating, again reduces material cost.In the present embodiment, preferably, the thickness range of polycrystalline cubic boron nitride coating is 0.1 centimetre ~ 0.2 centimetre.
In order to conveniently check the cutting depth of wear-resistant milling cutter 30 in the process of cutting object, polycrystalline cubic boron nitride coating is provided with the rule (not shown) for identifying the degree of depth.
Refer to Fig. 5, Fig. 5 is the schematic diagram that the utility model has wear-resistant milling cutter second embodiment of polycrystalline cubic boron nitride coating, and wear-resistant milling cutter second embodiment and its first embodiment difference with polycrystalline cubic boron nitride coating are:
Wear-resistant milling cutter 30 also comprises stitching section 33.Shank section 31 arranges splicing interface 311 away from one end of cutting portion 32, and stitching section 33 is fixed in shank section 31 by the splicing of splicing interface 311, splices in shank section 31, increase the length of wear-resistant milling cutter 30 by stitching section 33.Concrete, splicing interface 311 comprises and is positioned at shank section 31 away from the splicing groove 3111 on the end face of one end of cutting portion 32 and the depression 3112 that is positioned on the sidewall of splicing groove 3111.One end, stitching section 33 is provided with the splicing block 331 suitable with splicing groove 3111, the sidewall of splicing block 331 is provided with and the 3112 suitable projections 332 that cave in, splicing groove 3111 and splicing block 331 male-female engagement, depression 3112 and projection 332 male-female engagement, fixing to make stitching section 33 and shank section 31 splice.Further, wear-resistant milling cutter 30 also comprises button block 34, loading plate 35, first elastic component 36 and the second elastic component 37.Splice 33 is provided with receiving space 333, first opening (sign) and the second opening (sign), and the first opening is positioned at the sidewall of splicing block 331, and the first opening is all communicated with receiving space 333 with the second opening.The two ends on one surface of the first elastic component 36 and the second elastic component 37 difference support bearing plate 35, button block 34 and protruding 332 is fixed on another surface of loading plate 35, and button block 34 is positioned at the middle part of loading plate 35, button block 34 passes from the second opening, protruding 332 pass from the first opening, and protrude from the sidewall of splicing block 331, in pressing by when building block 34, first elastic component 36 and the second elastic component 37 shrink, the related button block 34 of loading plate 35 sinks together with protruding 332, in Panasonic by when building block 34, first elastic component 36 and the second elastic component 37 restore to the original state, the related button block 34 of loading plate 35 floats together with protruding 332, by the way, assembly and disassembly between stitching section 33 and shank section 31 are all very convenient.In the present embodiment, the first elastic component 36 and the second elastic component 37 are preferably spring.
In order to avoid when cutting object, cutting portion 32 produces resonance, the effect that impact is cut, and the helical angle of at least two cutting edges 321 in present embodiment is all not identical.In the present embodiment, preferably, the angular range of the helical angle of at least two cutting edges 321 is 36 degree to 47 degree, thus makes the cutting ability of cutting portion 32 best.
Refer to Fig. 6, Fig. 6 is the schematic diagram that this practicality has wear-resistant milling cutter the 3rd embodiment of polycrystalline cubic boron nitride coating, and wear-resistant milling cutter the 3rd embodiment and its first embodiment, the second embodiment difference are:
Shank section 31 is provided with the first cooling duct 313 and the first Cooling Holes 312, first Cooling Holes 312 is arranged at the end face of shank section 31 away from one end of cutting portion 32, shank section 31 is run through in first cooling duct 313, and one end of the first cooling duct 313 is communicated with the first Cooling Holes 312.Cutting portion 32 is provided with the second cooling duct (not shown) and the second Cooling Holes 324, one end of second cooling duct is communicated with the other end of the first cooling duct 313, the other end of the second cooling duct is communicated with the second Cooling Holes 324, and the second Cooling Holes 324 is positioned at cutting portion 32 one end away from shank section 31.When wear-resistant milling cutter 30 cuts, thermal current can along the second cooling duct, the second Cooling Holes 324, first cooling duct 313 and the first Cooling Holes 312 discharge, also cooling fluid can be injected by the second cooling duct, the second Cooling Holes 324, first cooling duct 313 and the first Cooling Holes 312, cutting portion 32 is cooled, can effectively prevent in the process of cutting, cutting portion 32 is overheated, damages cutting portion 32.Certainly, stitching section 33 also can arrange the 3rd cooling duct (sign) and the 3rd Cooling Holes (sign), 3rd Cooling Holes is communicated with the 3rd cooling duct, and when splicing fixing in stitching section 33 with shank section 31, the 3rd cooling duct is communicated with the first Cooling Holes.In the present embodiment, the second Cooling Holes 324 is just to cutting edge 321, and the quantity of the second Cooling Holes 324 is multiple.
In the utility model embodiment, the cutting portion obtained is extended forward by one end of shank section, cutting portion is provided with cutting edge and the chip area between adjacent two cutting edges, cutting portion is provided with groove away from one end of shank section, groove is communicated with chip area, makes when cutting portion cuts object, and object is cut the bits that position produces and enters chip area by groove, discharged by chip area, enhance the chip removal performance of durable milling cutter; In addition, the surface of cutting edge and chip area is coated with polycrystalline cubic boron nitride coating, enhance hardness and the wearability of cutting portion, after the surface of cutting edge and chip area coating polycrystalline cubic boron nitride coating, the material that shank section and cutting portion can use hardness low compared with polycrystalline cubic boron nitride, when ensureing hardness and the wearability of wear-resistant milling cutter, again reduce material cost.
It should be noted that: polycrystalline diamond screw-on cutter is provided above and there is the structural implementation of wear-resistant milling cutter two kinds of milling cutters of polycrystalline cubic boron nitride coating, but the structure of this two milling cutter is mutually common, such as: polycrystalline diamond screw-on cutter also can increase stitching section and rule, have the wear-resistant milling cutter of polycrystalline cubic boron nitride coating also can arrange catch etc.
It should be noted that, preferably embodiment of the present utility model is given in description of the present utility model and accompanying drawing thereof, but, the utility model can be realized by many different forms, be not limited to the embodiment described by this description, these embodiments not as the extra restriction to the utility model content, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.Further, above-mentioned each technical characteristic continues combination mutually, is formed not at above-named various embodiment, is all considered as the scope that the utility model description is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (7)
1. a polycrystalline diamond screw-on cutter, is characterized in that, comprising:
Shank section;
Cutting portion, described cutting portion is extended forward by one end of described shank section to obtain, described cutting portion is provided with at least two spiral cutting edges and the chip area between adjacent two cutting edges, described cutting portion is provided with groove away from one end of described shank section, and described groove is communicated with described chip area;
Catch, described catch is around described shank section, and the chip area of the contiguous described cutting portion of described catch;
Described shank section and cutting portion are polycrystalline diamond.
2. polycrystalline diamond screw-on cutter according to claim 1, is characterized in that,
The shape of described catch is arc, and the nock of described catch is towards described cutting portion.
3. polycrystalline diamond screw-on cutter according to claim 2, is characterized in that,
Described catch is polycrystalline diamond, aluminium, iron or stainless steel.
4. polycrystalline diamond screw-on cutter according to claim 1, is characterized in that,
The helical angle of described at least two cutting edges is all not identical.
5. polycrystalline diamond screw-on cutter according to claim 4, is characterized in that,
The angular range of the helical angle of described at least two cutting edges is 36 degree to 47 degree.
6. polycrystalline diamond screw-on cutter according to claim 1, is characterized in that,
Described shank section is provided with the first cooling duct and the first Cooling Holes, described first Cooling Holes is arranged at the end face of described shank section away from one end of described cutting portion, described shank section is run through in described first cooling duct, and one end of described first cooling duct is communicated with described first Cooling Holes;
Described cutting portion is provided with the second cooling duct and the second Cooling Holes, one end of described second cooling duct is communicated with the other end of described first cooling duct, the other end of described second cooling duct is communicated with described second Cooling Holes, and described second Cooling Holes is positioned at described cutting portion one end away from described shank section.
7. polycrystalline diamond screw-on cutter according to claim 6, is characterized in that,
Described second Cooling Holes is just to described cutting edge, and the quantity of described second Cooling Holes is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303242.8U CN204657590U (en) | 2015-05-12 | 2015-05-12 | A kind of polycrystalline diamond screw-on cutter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520303242.8U CN204657590U (en) | 2015-05-12 | 2015-05-12 | A kind of polycrystalline diamond screw-on cutter |
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| CN204657590U true CN204657590U (en) | 2015-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2553202A (en) * | 2016-06-15 | 2018-02-28 | Hanita Metal Works Ltd | Fluted cutting tool configuration and method therefor |
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2015
- 2015-05-12 CN CN201520303242.8U patent/CN204657590U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2553202A (en) * | 2016-06-15 | 2018-02-28 | Hanita Metal Works Ltd | Fluted cutting tool configuration and method therefor |
| US10661362B2 (en) | 2016-06-15 | 2020-05-26 | Kennametal Inc. | Fluted cutting tool configuration and method therefor |
| GB2553202B (en) * | 2016-06-15 | 2022-06-29 | Hanita Metal Works Ltd | Fluted cutting tool configuration and method therefor |
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Address after: 518000 5th Floor, 2046 Baihua Community Sightseeing Road, Guangming Street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhishan Science and Technology Co., Ltd. Address before: 518000 Workshop 105, No. 1, Xintianhuasai Industrial Plant, Jihua Road, Bantian Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Zhi Shang Science and Technology Ltd. of Shenzhen |