CN204470628U - A kind of indexable turning blade - Google Patents
A kind of indexable turning blade Download PDFInfo
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- CN204470628U CN204470628U CN201420843156.1U CN201420843156U CN204470628U CN 204470628 U CN204470628 U CN 204470628U CN 201420843156 U CN201420843156 U CN 201420843156U CN 204470628 U CN204470628 U CN 204470628U
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- jut
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- rake face
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Abstract
The utility model discloses a kind of indexable turning blade, comprise blade body, be formed at the cutting edge of the periphery of blade body rake face, cutting edge has arc-shaped angle sword and is configured at the side edge of sword both sides, arc-shaped angle at point of a knife place; On rake face inside nose part, with described cutting edge relative spacing be formed with the boss of overhanging; Inside from the wall of this boss to nose part, cross direction profiles jut, jut comprise connect rake face inside side edge parallel in strip and be tactic first jut of ecto-entad and the second jut; In rake face, be respectively dispersed with the projection of a pair strip along side edge direction in boss both sides, projection comprises and starts from the first jut and the second jut respectively, and the first projection extended along side edge and the second projection.The utility model improves the sharpness of point of a knife, reduces the friction of chip to bottom land and rake face, thus reduces cutting force, reduce the cutting temperature that high temperature alloy adds man-hour, improve the life-span of cutter.
Description
Technical field
The utility model relates to metal cutting tool field, particularly relates to the accurately machined Indexable cutting inserts of a kind of difficult-to-machine material high temperature alloy, and the chip-breaker of this cutting tip more effectively can control the form of workpiece chips, suppresses the generation of heat in metal cutting.
Background technology
When cutting difficult-to-machine material high temperature alloy, because high temperature alloy resistance of deformation is very large, heat conductivility is poor, plasticity is lower, hot processing temperature narrow range, therefore very large cutting force is produced in working angles, cutting edge is caused to transship, produce very high cutting temperature simultaneously, cause cutter plastic deformation, process produces with work hardening simultaneously, and the appearance of work hardening layer causes boundary wear and groove wear to occur.The acting in conjunction of above factor, finally causes the wearing and tearing of cutter to be accelerated, and machining accuracy declines, and service life reduces.So for cutting-in and all less fine finishining of feeding, when designing and developing grooved except paying attention to chip-breaking performance, also to pay attention to by reducing cutting force to suppress heat in metal cutting to produce and the intensity of raising cutting edge.Therefore, current Tool Design is main it is considered that reduce cutting force while how improving tool strength, thus reduces heat in metal cutting generation, slows down the speed of tool wear.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art, a kind of indexable turning blade is provided, by point of a knife and and cutting edge near jut, projection and cutting edge cutting edge inclination are set dexterously, improve the sharpness of point of a knife, reduce the friction of chip to bottom land and rake face, thus reduction cutting force, reduce the cutting temperature that high temperature alloy adds man-hour, thus improve the life-span of cutter.
The utility model solves the technical scheme that its technical problem adopts: a kind of indexable turning blade, comprise in polygonal blade body, be formed at the cutting edge of the periphery of described blade body rake face, described cutting edge has arc-shaped angle sword and is configured at the side edge of sword both sides, arc-shaped angle at point of a knife place; On rake face inside nose part, with described cutting edge relative spacing be formed with the boss of overhanging; Inside from the wall of this boss to nose part, cross direction profiles jut, described jut comprise connect rake face inside side edge parallel in strip and be tactic first jut of ecto-entad and the second jut; In rake face, be respectively dispersed with the projection of a pair strip along side edge direction in boss both sides, described projection comprises and starts from the first jut and the second jut respectively, and the first projection extended along side edge and the second projection.
The height of described first jut and the second jut is increased progressively to blade body center position by angle sword; The height of described first projection and the second projection is increased progressively to blade body center position by side edge.
Described first jut and the second jut are symmetric about nose angle bisector; First projection, second projection of described boss both sides are also symmetric about nose angle bisector.
The width of described side edge by point of a knife to the direction, middle part of side edge in increasing progressively state.
The angular range that described first projection, the second projection and side edge are formed is: 8 ° ~ 12 °.
The height of described first projection, the second projection to taper off trend along side edge from jut.
Described side edge extends to apparent surface with inclination alpha, and its height increases along with the distance with angle sword and reduces, wherein, and 5 °≤α≤8 °.
The tabular surface at described boss top is higher than the top of angle sword.
The top of the described tabular surface at the first place, jut top and the angle sword of nose part is contour, and the second jut is higher than the first jut, and the difference in height scope at the first jut and the second jut top is: 0.03mm ~ 0.08mm.
Described second projection is higher than the first projection.
Compared with prior art, the beneficial effects of the utility model are:
1, the boss of overhanging is set inside point of a knife, a pair bar shaped jut that the height that boss front end is provided with the arrangement of foundation chip discharge direction differs, the bar shaped inclined protrusions design that two couple that the height that boss both sides are provided with the arrangement of foundation chip discharge direction differs is symmetrical, reduce the contact area of chip and blade face, reduce the frictional resistance of chip discharge, thus reduce the heat in metal cutting produced when cutting.
2, the wide design of change of edge makes angle sword keep higher sharpness, reduces the cutting resistance at point of a knife place, improves incision property, increase the intensity of cutting edge simultaneously gradually, improve resistance to groove wear performance.
3, near point of a knife and cutting edge, be provided with jut and elongated projections, be conducive to the contact area reducing chip and blade face, reduce the friction of chip to chip-breaker and rake face, thus reduce the cutting temperature of generation when cutting.
4, the inclination alpha design of side edge can reduce cutting force further, suppresses groove wear, can control chip-flowing simultaneously.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of indexable turning blade of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is D structure schematic diagram of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the C portion enlarged diagram in Fig. 2;
Fig. 4 is that D in Fig. 3 is to schematic diagram;
Fig. 5 is the sectional view along the E-E line in Fig. 2;
Fig. 6 is that the G portion in Fig. 5 rotates enlarged diagram;
Fig. 7 is the sectional view along the F-F line in Fig. 2;
Fig. 8 is the H portion enlarged diagram in Fig. 7.
Wherein, in figure, 1, blade body; 2, cutting edge; 2A, angle sword; 2B, side edge; 3, jut; 3A, the first jut; 3B, the second jut; 4, projection; 4A, the first projection; 4B, the second projection; 5, boss; The wall of 5A, boss; The tabular surface at 5B, boss top; 6, rake face; 7, chip-breaker; 8, rear knife face; 9, blade body centre bore; 10, blade body upper surface; 11, blade body lower surface; W: the width of side edge 2B; L, nose angle bisector; α: inclination angle.
Detailed description of the invention
Embodiment
As shown in Figures 1 to 8, a kind of indexable turning blade of the present utility model, comprise by upper surface 10, lower surface 11 and connect that multiple sidewalls of upper and lower surface surround in polygonal blade body 1, sidewall forms the rear knife face 8 of blade.Indexable turning blade also comprises the cutting edge being formed at described blade body rake face 6 periphery, described cutting edge has arc-shaped angle sword 2A and is configured at the side edge 2B of sword both sides, arc-shaped angle at point of a knife place, the width W of described side edge 2B is increased progressively in the middle part of side edge by point of a knife, the wide design of change of edge makes angle sword 2A keep higher sharpness, reduce the cutting resistance at point of a knife place, improve incision property, increase the intensity of cutting edge simultaneously gradually, improve resistance to groove wear performance.Indexable turning blade is also provided with blade body centre bore 9, is used for being assemblied on cutter hub.On rake face 6 inside nose part, with described cutting edge relative spacing be formed with the boss 5 of overhanging.
Jut 3 from cross direction profiles the wall 5B of this boss 5 is inside nose part, described jut 3 comprise connect rake face 6 inside side edge parallel in strip and be ecto-entad tactic first jut 3A and the second jut 3B; In rake face 6, be respectively dispersed with the projection 4 of a pair strip along side edge direction in boss both sides, described projection 4 comprises and starts from the first jut and the second jut respectively, and along the first projection 41 and the second projection 42 that side edge extends.Near point of a knife and cutting edge, be provided with jut and elongated projections, be conducive to the contact area reducing chip and blade face, reduce the friction of chip to chip-breaker and rake face 6, thus reduce the cutting temperature of generation when cutting.Boss 5 is relative with cutting edge 2, between the two across chip-breaker 7.
The height of described first jut 3A and the second jut 3B is increased progressively to blade body center position by angle sword 2A; The height of described first projection 4A and the second projection 4B is increased progressively to blade body center position by side edge 2B.
Described first jut 3A and the second jut 3B is symmetric about nose angle bisector L; First projection 4A, the second projection 4B of described boss 5 both sides are also symmetric about nose angle bisector L.
The width W of described side edge 2B by point of a knife to the direction, middle part of side edge in increasing progressively state.The wide design of change of edge makes angle sword 2A keep higher sharpness, reduces the cutting resistance at point of a knife place, improves incision property, increases the intensity of cutting edge simultaneously gradually, improves resistance to groove wear performance.
The angular range that described first projection 4A, the second projection 4B and side edge 2B are formed is: 8 ° ~ 12 °.
The height of described first projection 4A, the second projection 4B to taper off trend along side edge 2B from jut 3.
Described side edge 2B extends to apparent surface with inclination alpha, and its height increases along with the distance with angle sword 2A and reduces, wherein, and 5 °≤α≤8 °.Inclination alpha design can reduce cutting force further, suppresses groove wear, can control chip-flowing simultaneously.High temperature alloy chip deformation is too violent, makes cutting temperature high, and blade abrasion is accelerated, and wider chip-breaker, be conducive to preventing the problems referred to above from occurring.
The tabular surface 5B at described boss 5 top is higher than the top of angle sword 2A.Boss wall 5A is the inclined plane of upwards being swelled gradually by the bottom of chip-breaker 7.
Jut 3 is inside nose part and between boss wall 5A, abut against on convex platform inclined wall 5A after second jut 3B, the top of the described tabular surface at the first place, jut 3A top and the angle sword 2A of nose part is contour, second jut 3B is higher than the first jut 3A, and the difference in height scope at the first jut 3A and the second jut 3B top is: 0.03mm ~ 0.08mm.
Described second projection 4B, higher than the first projection 4A, promotes chip curling.
A kind of indexable turning blade of the present utility model, the boss 5 of overhanging is set inside point of a knife, a pair bar shaped jut that the height that boss 5 front end is provided with the arrangement of foundation chip discharge direction differs, the bar shaped inclined protrusions design that two couple that the height that boss 5 both sides are provided with the arrangement of foundation chip discharge direction differs is symmetrical, reduce the contact area of chip and blade face, reduce the frictional resistance of chip discharge, thus reduce the heat in metal cutting produced when cutting.Adopt the wide design of change of edge, take into account sharpness and the intensity of cutting edge, rational cutting edge inclination design, is conducive to reducing cutting force, suppresses groove wear, can control chip-flowing simultaneously
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as equivalents Equivalent embodiments.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (10)
1. an indexable turning blade, comprises in polygonal blade body, is formed at the cutting edge of the periphery of described blade body rake face, and described cutting edge has arc-shaped angle sword and is configured at the side edge of sword both sides, arc-shaped angle at point of a knife place; On rake face inside nose part, with described cutting edge relative spacing be formed with the boss of overhanging; It is characterized in that: inside from the wall of this boss to nose part, cross direction profiles jut, described jut comprise connect rake face inside side edge parallel in strip and be tactic first jut of ecto-entad and the second jut; In rake face, be respectively dispersed with the projection of a pair strip along side edge direction in boss both sides, described projection comprises and starts from the first jut and the second jut respectively, and the first projection extended along side edge and the second projection.
2. indexable turning blade according to claim 1, is characterized in that: the height of described first jut and the second jut is increased progressively to blade body center position by angle sword; The height of described first projection and the second projection is increased progressively to blade body center position by side edge.
3. indexable turning blade according to claim 1, is characterized in that: described first jut and the second jut are symmetric about nose angle bisector; First projection, second projection of described boss both sides are also symmetric about nose angle bisector.
4. indexable turning blade according to claim 1, is characterized in that: the width of described side edge by point of a knife to the direction, middle part of side edge in increasing progressively state.
5. indexable turning blade according to claim 4, is characterized in that: the angular range that described first projection, the second projection and side edge are formed is: 8 ° ~ 12 °.
6. indexable turning blade according to claim 4, is characterized in that: the height of described first projection, the second projection to taper off trend along side edge from jut.
7. indexable turning blade according to claim 4, is characterized in that: described side edge extends to apparent surface with inclination alpha, and its height increases along with the distance with angle sword and reduces, wherein, and 5 °≤α≤8 °.
8. indexable turning blade according to claim 1, is characterized in that: the tabular surface at described boss top is higher than the top of angle sword.
9. indexable turning blade according to claim 1, it is characterized in that: the top of the described tabular surface at the first place, jut top and the angle sword of nose part is contour, second jut is higher than the first jut, and the difference in height scope at the first jut and the second jut top is: 0.03mm ~ 0.08mm.
10. indexable turning blade according to claim 1, is characterized in that: described second projection is higher than the first projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843156.1U CN204470628U (en) | 2014-12-26 | 2014-12-26 | A kind of indexable turning blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843156.1U CN204470628U (en) | 2014-12-26 | 2014-12-26 | A kind of indexable turning blade |
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| Publication Number | Publication Date |
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| CN204470628U true CN204470628U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420843156.1U Active CN204470628U (en) | 2014-12-26 | 2014-12-26 | A kind of indexable turning blade |
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| CN (1) | CN204470628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315099A (en) * | 2019-06-28 | 2019-10-11 | 厦门金鹭特种合金有限公司 | A kind of Indexable cutting inserts for metal material machining |
-
2014
- 2014-12-26 CN CN201420843156.1U patent/CN204470628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315099A (en) * | 2019-06-28 | 2019-10-11 | 厦门金鹭特种合金有限公司 | A kind of Indexable cutting inserts for metal material machining |
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