CN207188814U - A kind of two-sided groove profile Indexable cutting inserts - Google Patents
A kind of two-sided groove profile Indexable cutting inserts Download PDFInfo
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- CN207188814U CN207188814U CN201721107863.4U CN201721107863U CN207188814U CN 207188814 U CN207188814 U CN 207188814U CN 201721107863 U CN201721107863 U CN 201721107863U CN 207188814 U CN207188814 U CN 207188814U
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Abstract
The utility model discloses two-sided groove profile Indexable cutting inserts, have polygonal insert body, and the Indexable cutting inserts include baseplane（3）, the protrusion baseplane（3）Along centre bore（15）Circumferentially distributed locating surface（2）With cutting unit (4)；Locating surface（2）It is positioned close at the drift angle A of each polygon；The cutting unit（4）It is arranged at the drift angle A of each polygon, including cutting edge and gear bits face（1）By rationally designing cutting unit, make cutting tip sharpness good, intensity increase, in use, being less prone to the phenomenon of tipping, improve the life-span of cutting tip, ensure the quality of machining workpieces.The cutting tip effectively applies to the semifinishing and roughing of stainless steel material, and cutting tip clamping is stable, and perfect heat-dissipating had both ensured edge of a knife sharpness and the intensity of cutting edge, and and can rolls up bits, chip breaking and chip removal well.
Description
Technical field
The utility model belongs to metal cutting process field, more particularly to a kind of two-sided groove profile Turable cutting knife
Piece.
Background technology
Indexable two-sided groove profile cutting tip is conventional cutting tip, as user is to the surface quality of work piece
Requirement, pair can turn to the repetitive positioning accuracy of Indexable cutting inserts, and in the uneven workpiece of machining blanks surplus
Requirement all more and more highers in position cutting tip life-span.
Stainless steel and mild steel class material are because having higher alloying element content, and generally in turning, cutting force is larger, and
Substantial amounts of heat is produced, tool temperature steeply rises, and this not only lowers the intensity of cutter material, while increases cutter because of high temperature
The abrasion for aoxidizing and bringing.To reduce the life-span that processing resistance ensures cutting tip, cutting tip needs to have higher intensity
And sharp cutting edge structure.Meanwhile processing hardening occurs because of plastic deformation in process for stainless steel, chip is stronger
Tough, if the cutting tip for processing can not make chip curling, fracture and discharge machining area well, cutting will be mixed and disorderly
Ground is wrapped on workpiece and cutter, influences the suface processing quality of workpiece.
It is the most prominent with the processing hardening phenomenon of austenite and austenite ferrite stainless steel in stainless steel.They are moulded
Property large plastometric set when, lattice produces strong twisted；Stabilization of austenite is poor simultaneously, in the presence of cutting force, part Ovshinsky
Cognition is changed into martensite；Make machining in Dispersed precipitate along with compound impurities are easily decomposes in the presence of cutting heat
When produce hardened layer.Become apparent processing hardening phenomenon.
In the prior art, the knot of the middle indexable two-sided groove profile cutting tip used is processed to stainless steel and mild steel class
Structure is set, and the relevance between parameters is simultaneously bad, and matching is not strong, it is impossible to very big cutting resistance is born, and to stainless steel
With mild steel class material half it is smart and rough machined during, the increase of cutting force that cutting tip is subject to, cutting temperature is higher, is easily caused
With chip bonding abrasion occurs for cutting tip, makes cutting tip serious wear, influences the suface processing quality of workpiece, while chip
Cutting tip may also be impacted, causes breakage and the tipping of cutting tip, the cutting tip life-span significantly declines, and also results in disconnected
It is not up to standard to consider the surface quality of ineffective influence workpiece to be machined to be worth doing, production efficiency decline, increases production cost.
The content of the invention
The technical problems to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of two-sided groove profile can turn
Position cutting tip, by rationally designing the cutting unit of cutting tip body, making cutting tip, not only sharpness is good, and intensity increases
Greatly, cutting reduces the plastic deformation of material, improves the life-span of cutting tip in use, be less prone to the phenomenon of tipping, ensures
The quality of machining workpieces.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of two-sided groove profile Indexable cutting inserts are provided, there is polygonal insert body, the blade body includes upper
Surface, lower surface, side and the face of cylinder for connecting adjacent side, the center of the cutting tip body, which is provided with, to be used to install positioning
Centre bore, the upper surface includes baseplane, the protrusion baseplane along the circumferentially equally distributed locating surface of centre bore and cut
Cut unit；The locating surface is positioned close at the drift angle A of each polygon, and the inclined-plane between the locating surface and baseplane is
Bits face is kept off, the gear bits face is arranged symmetrically along drift angle A angular bisectors；
The cutting unit is arranged at the drift angle A of each polygon, including cutting edge and gear bits face, the cutting edge with
Baseplane is parallel；The upper surface is divided into rake face close to cutting edge portion, and the cutting edge includes arc edge and main cutting
Sword；The arc edge is crossed to form by the face of cylinder and rake face, and the main cutting edge is crossed to form by side and rake face；
The rake face includes major first face and the second rake face；The major first face forms angle α with baseplane,
Angle α is 7 ~ 12 °, and the second rake face forms angle β with baseplane, and angle β is 17 ~ 24 °, and the major first face is in baseplane
Upright projection width be L1, L1 is 0.1 ~ 0.3 mm, and second rake face is connected with baseplane by transition arc；Described
Upright projection width of two rake faces in baseplane is L2, and L2 is 0.1 ~ 0.8mm；
Wherein, lower surface is provided with and upper surface identical structure.
It is further preferred that the angle α is 8 ° ~ 10 °, angle β is 18 ° ~ 20 °；The upright projection width L1 is 0.2
~ 0.3 mm, L2 are 0.2 ~ 0.5mm.
Two-sided groove profile Indexable cutting inserts of the present utility model by the rational width of the rake face in cutting unit with
The restriction of angle, making cutting tip, intensity meets to require, is less prone to tipping phenomenon in half essence and roughing, and before second
Knife face has good cutting ability while proof strength, and its cutting edge is sharp, and cutting resistance can be obviously reduced, and reduces modeling
Property deformation.
Further, the main cutting edge and arc edge are vertical with baseplane in same plane, the cutting edge
Distance is H1, and H1 is 0.1 ~ 0.2mm.
Further, the vertical range of the cutting edge and locating surface is H2, and H2 is 0.1 ~ 0.25mm.
Further, it is circumferentially provided on along the centre bore between adjacent positioned face and also sets up positioning boss, the convex
Platform is circumferentially provided between adjacent positioned face along centre bore.
Further, the adjacent locating surface by baseplane connection boss connect, it is described connection boss on set to
Few 3 heat-sink units, the heat-sink unit are the projection of drops.The setting of heat-sink unit also makes the area of dissipation of cutting tip
Increase, heat-sinking capability improve.
Further, the height of the heat-sink unit is less than locating surface, the vertical range of the heat-sink unit and locating surface
For 0.05 ~ 0.15mm.The vertical range of heat-sink unit and locating surface is set, and makes heat-dissipating space utilization rate more reasonable.
Further, the gear bits face includes first gear bits face and second gear bits face, first gear bits face and second gear bits face
Angle theta 1 is formed with the extended line of locating surface intersection, θ 1 is 110 ~ 170 °；The first gear bits face and second gear consider face to be worth doing by first
Arc surface transition connects, and the angle between first arc surface and baseplane is θ 2, and θ 2 is 135 ~ 160 °；The first gear bits
The intersection of face and locating surface is 5 ~ 45 ° with drift angle A angular bisectors 3, θ 3 at angle theta.
It is further preferred that the angle theta 1 is 130 ~ 160 °；The angle theta 2 is 140 ~ 155 °；The angle, θ 3 be 8 ~
35°。
Further, the adjacent gear bits face is provided with cone gear bits face, the cone gear bits face and locating surface
The minimum perpendicular distance of intersection to cutting edge is W, and W is 0.4 ~ 1.8mm.
Further, the chip pocket to lower recess is provided between locating surface and the cutting tip body edges.
Compared with prior art, the beneficial effects of the utility model are：
The utility model discloses a kind of two-sided groove profile Indexable cutting inserts, the cutting tip passes through to cutting unit
In preceding nose angle structure setting, effectively balance the sharpness and intensity of cutting edge, also improve the radiating condition of blade,
Cutting resistance can be obviously reduced, reduce material plasticity deformation, so as to play the effect for reducing cutting heat and improving cutter life.
Cutting tip baseplane of the present utility model and gear bits face collectively form chip pocket and chip-breaking, and chip is flowing through bottom
Bend to a certain extent, and be broken behind plane and gear bits face, to prevent cutting to be wrapped on workpiece or cutter, cut workpiece
It is good to cut effect；Chip breaking is set not influence the surface quality of workpiece to be machined.
In order to further ensure cutting quality, the utility model is also scientifically provided with heat-sink unit, makes cutting tip
Heat-sinking capability be improved, be particularly suitable for use in processing stainless steel and mild steel class material.
Finally, the utility model is for the accurate installation and positioning of cutting tip, by locating surface and positioning boss and center
The positional structure in hole carries out scientific offering, ensure that the installation and positioning of cutting tip, is advantageous to the dress of Indexable cutting inserts
Folder, improves the repetitive positioning accuracy of Indexable cutting inserts and the stability of clamping.
In summary, two-sided groove profile Indexable cutting inserts clamping of the present utility model is stable, perfect heat-dissipating, is ensureing
While the edge of a knife is sharp, also in view of the intensity of cutting edge, while bits, chip breaking and chip removal can be rolled up well.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model cutting tip.
Fig. 2 is the overlooking the structure diagram of the utility model cutting tip.
Fig. 3 is the gear bits face detailed schematic of the utility model cutting tip.
Fig. 4 is the diagrammatic cross-section of the utility model cutting tip.
Wherein, 1- keeps off bits face, 101- first gear bits face, 102- second gear bits face, 103- cone gear bits face, 104- first
Arc surface, 2- locating surfaces, 3- baseplanes, 4- cutting units, 5- connection boss, 6- positioning boss, 7- rake faces, before 71- first
Knife face, the rake faces of 72- second, 8- heat-sink units, 9- sides, the 10- faces of cylinder, 11- arc edges, 12 main cutting edges, 13- hold
Consider groove, A- drift angles, 15- centre bores to be worth doing.
Embodiment
The utility model embodiment accompanying drawing being given for example only property explanation, it is impossible to be interpreted as to limitation of the present utility model.For
More preferable explanation the present embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；It is right
For those skilled in the art, some known features and its explanation may be omitted and will be understood by accompanying drawing.With reference to
Drawings and examples are described further to the technical solution of the utility model.
Embodiment 1
As shown in Fig. 1 ~ Fig. 4, the present embodiment provides a kind of two-sided groove profile Indexable cutting inserts, and blade body includes upper table
Face, lower surface, side and the face of cylinder for connecting adjacent side, the center of cutting tip are provided with the centre bore for being used for installing positioning
15, it is single along the circumferentially distributed locating surface 2 of centre bore 15, positioning boss 6 and cutting that upper surface includes baseplane 3, protrusion baseplane 3
Member 4；Wherein, locating surface 2 is positioned close at the drift angle A of each polygon；Positioning boss 6 is circumferentially provided on phase along centre bore 15
Between adjacent locating surface 2；Inclined-plane between locating surface 2 and baseplane 3 is gear bits face 1, keeps off bits face 1 along the symmetrical cloth of drift angle A angular bisectors
Put；
Cutting unit 4 is arranged at the drift angle A of each polygon, including cutting edge and gear bits face 1, cutting edge and baseplane
3 is parallel；Upper surface is divided into rake face 7 close to cutting edge portion, and cutting edge includes arc edge 11 and main cutting edge 12；Circular arc is cut
Sword 11 is cut to be crossed to form by the face of cylinder 10 and rake face 7, the vertical range of cutting edge and baseplane 3 be H1, H1 for 0.1 ~
0.2mm, the vertical range of cutting edge and locating surface 2 is H2, and H2 is 0.1 ~ 0.25mm.It is H1=0.13mm in this example, H2=
0.20mm。
Main cutting edge 12 is crossed to form by side 9 and rake face 7, is set between locating surface 2 and cutting tip body edges
The chip pocket 13 of oriented lower recess.
As shown in figure 4, rake face 7 includes the rake face 72 of major first face 71 and second；Major first face 71 and baseplane 3
It is α to form angle, and α is 7 ~ 12 °, and it is β that the second rake face 72 forms angle with baseplane 3, and β is 17 ~ 24 °, major first face 71
Upright projection width in baseplane 3 is L1, and L1 is 0.1 ~ 0.3 mm, and second rake face is with baseplane 3 by transition arc
Connection；Upright projection width of second rake face 72 in baseplane 3 is L2, and L2 is 0.1 ~ 0.8mm.α in the present embodiment=
9.5 °, β=19 °, L1=0.22mm, L2 0.27mm.
This example makes cutting tip carry out stainless steel and mild steel class material by optimizing the width and angle of rake face 7
Half essence and during roughing, have enough intensity and sharpness, cutting resistance can be obviously reduced, reduce material plasticity deformation, from
And playing reduces the effect that cutting heat improves cutter life.
In the present embodiment, to ensure the accurate installation of cutting tip and positioning, location structure is arranged to 3 and larger determined
Plane 2, and 6 less two parts of positioning boss 6 being placed between larger locating surface.Positioning boss 6 is along centre bore 15
It is circumferentially provided between adjacent positioned face 2.
The positional structure of locating surface and positioning boss and centre bore is subjected to scientific offering, ensure that the installation of cutting tip
With positioning, be advantageous to the clampings of Indexable cutting inserts, improve the repetitive positioning accuracy and clamping of Indexable cutting inserts
Stability.
Heat-sink unit is additionally provided with this cutting tip；The heat-sink unit 8 of the present embodiment is the bulge-structure of 9 drops；
Bulge-structure is arranged on connection boss 5；The vertical range of heat-sink unit 8 and locating surface 2 is 0.05 ~ 0.15mm, the present embodiment
In be 0.10mm, the setting of heat-sink unit can effectively increase the area of dissipation of cutting tip, and heat-sinking capability improves.
As shown in figure 3, gear bits face 1, in the datum plane in positioned parallel face, first gear bits face 101 and second gear consider face to be worth doing
102 form angle theta 1 with the extended line of the intersection of locating surface 2, and θ 1 is 110 ~ 170 °；Preferably 130 ~ 160 °；First gear considers face 101 to be worth doing
Connected with second gear bits face 102 by the transition of the first arc surface 104, the angle between the first arc surface 104 and baseplane 3 is θ 2, θ
2 be 135 ~ 160 °, preferably 140 ~ 155 °；First gear considers face 101 to be worth doing and the intersection and drift angle A angular bisectors of locating surface 2 are at angle theta
3, θ 3 be 5 ~ 45 °, preferably 5 ~ 45 °；Cone gear bits face 103 is provided with, taper gear bits face 103 and the intersection of locating surface 2 arrive
The minimum perpendicular distance of cutting edge is W, and W is 0.4 ~ 1.8mm.1=160 ° of θ in the present embodiment, 3=15 ° of 2=153 ° of θ, θ, W=
1.3mm。
Two-sided groove profile Indexable cutting inserts clamping of the present utility model is stable, perfect heat-dissipating, is ensureing that the edge of a knife is sharp
While, also in view of the intensity of cutting edge, while bits, chip breaking and chip removal can be rolled up well.It is especially suitable to stainless steel and mild steel
Half essence of class material and roughing, the surface quality of the workpiece of processing is good, while chip is not easy to impact cutting tip, does not easily cause
The breakage of cutting tip and tipping, cutting tip life-span increase substantially, and its chip breaking effect does not influence the surface of workpiece to be machined
Quality, production efficiency is high, reduces production cost.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give thoroughly all embodiments
Lift.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., it should be included in this
Within the protection domain of utility model right requirement.
Claims (10)
1. a kind of two-sided groove profile Indexable cutting inserts, there is polygonal insert body, the blade body include upper surface, under
Surface, side（9）With connection adjacent side（9）The face of cylinder（10）, the center of the cutting tip body, which is provided with, to be used to install
The centre bore of positioning（15）, it is characterised in that the upper surface includes baseplane（3）, the protrusion baseplane（3）Along centre bore
（15）Circumferential equally distributed locating surface（2）And cutting unit（4）；The locating surface（2）It is positioned close to each polygon
At drift angle A, the locating surface（2）And baseplane（3）Between inclined-plane be gear bits face（1）, the gear bits face（1）Along drift angle A angles
Bisector is arranged symmetrically；
The cutting unit（4）It is arranged at the drift angle A of each polygon, including cutting edge and gear bits face（1）, the cutting edge
With baseplane（3）It is parallel；The upper surface is divided into rake face close to cutting edge portion（7）, the cutting edge includes arc edge
（11）And main cutting edge（12）；The arc edge（11）By the face of cylinder（10）With rake face（7）It is crossed to form, the master cuts
Sword (12) is cut by side（9）With rake face（7）It is crossed to form；
The rake face（7）Include major first face（71）With the second rake face（72）；The major first face（71）Put down the bottom of with
Face（3）Angle α is formed, angle α is 7 ~ 12 °, the second rake face（72）With baseplane（3）Angle β is formed, angle β is 17 ~ 24 °,
The major first face（71）In baseplane（3）Upright projection width be L1, L1 is 0.1 ~ 0.3 mm, second rake face
（72）With baseplane（3）Connected by transition arc；Second rake face（72）In baseplane（3）Upright projection width be
L2, L2 are 0.1 ~ 0.8mm；
Wherein, lower surface is provided with and upper surface identical structure.
2. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the angle α is 8 ° ~ 10 °, folder
Angle beta is 18 ~ 20 °；The upright projection width L1 is 0.2 ~ 0.3 mm, and L2 is 0.2 ~ 0.5mm.
3. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the cutting edge and baseplane
（3）Vertical range be H1, H1 is 0.1 ~ 0.2mm；The cutting edge and locating surface（2）Vertical range be H2, H2 is 0.1 ~
0.25mm。
4. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that circumferentially disposed along the centre bore
In adjacent positioned face（2）Between also set up positioning boss（6）, the positioning boss（6）Along centre bore（15）It is circumferentially provided on adjacent
Locating surface（2）Between.
5. the two-sided groove profile Indexable cutting inserts according to claim 1 ~ 4 any one, it is characterised in that adjacent described fixed
Plane（2）By baseplane（3）On connection boss（5）Connection, the connection boss（5）Upper setting at least three heat-sink unit
（8）, the heat-sink unit（8）For the projection of drops.
6. two-sided groove profile Indexable cutting inserts according to claim 5, it is characterised in that the heat-sink unit（8）Height
Degree is less than locating surface（2）, the heat-sink unit（8）With locating surface（2）Vertical range be 0.05 ~ 0.15mm.
7. the two-sided groove profile Indexable cutting inserts according to claim 1 ~ 4 or 6 any one, it is characterised in that the gear
Bits face（1）Face is considered to be worth doing including first gear（101）Face is considered to be worth doing with second gear（102）, first gear bits face（101）Face is considered to be worth doing with second gear（102）
With locating surface（2）The extended line of intersection forms angle theta 1, and θ 1 is 110 ~ 170 °；The first gear considers face to be worth doing（101）Considered to be worth doing with second gear
Face（102）By the first arc surface（104）Transition connects, first arc surface（104）With baseplane（3）Between angle be θ
2, θ 2 be 135 ~ 160 °；The first gear considers face to be worth doing（101）And locating surface（2）Intersection and drift angle A angular bisectors 3, θ 3 at angle theta
For 5 ~ 45 °.
8. two-sided groove profile Indexable cutting inserts according to claim 7, it is characterised in that the angle theta 1 be 130 ~
160°；The angle theta 2 is 140 ~ 155 °；The angle, θ 3 is 8 ~ 35 °.
9. two-sided groove profile Indexable cutting inserts according to claim 8, it is characterised in that the adjacent gear bits face（1）If
It is equipped with cone gear bits face（103）, the cone gear bits face（103）With locating surface（2）The minimum of intersection to cutting edge hang down
Straight distance is W, and W is 0.4 ~ 1.8mm.
10. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the locating surface（2）And cutting
The chip pocket to lower recess is provided between blade body edge（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107863.4U CN207188814U (en) | 2017-08-31 | 2017-08-31 | A kind of two-sided groove profile Indexable cutting inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107863.4U CN207188814U (en) | 2017-08-31 | 2017-08-31 | A kind of two-sided groove profile Indexable cutting inserts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207188814U true CN207188814U (en) | 2018-04-06 |
Family
ID=61790375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721107863.4U Active CN207188814U (en) | 2017-08-31 | 2017-08-31 | A kind of two-sided groove profile Indexable cutting inserts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207188814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363276A (en) * | 2017-08-31 | 2017-11-21 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of two-sided groove profile Indexable cutting inserts |
-
2017
- 2017-08-31 CN CN201721107863.4U patent/CN207188814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363276A (en) * | 2017-08-31 | 2017-11-21 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of two-sided groove profile Indexable cutting inserts |
| CN107363276B (en) * | 2017-08-31 | 2023-10-03 | 株洲欧科亿数控精密刀具股份有限公司 | Double-sided groove type indexable cutting blade |
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Address after: 412500 Yanling small and medium enterprises Pioneering Park, Yanling, Zhuzhou, China Patentee after: Zhuzhou OUKE CNC precision cutting tools Limited by Share Ltd Address before: 412000 No. four Chuang four road, Tung Jia hi high tech park, Zhuzhou, Hunan Patentee before: Zhuzhou OUKE CNC precision cutting tools Limited by Share Ltd |