CN201988781U - Double-side convex triangular milling blade for multipurpose milling - Google Patents
Double-side convex triangular milling blade for multipurpose milling Download PDFInfo
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- CN201988781U CN201988781U CN2010206462641U CN201020646264U CN201988781U CN 201988781 U CN201988781 U CN 201988781U CN 2010206462641 U CN2010206462641 U CN 2010206462641U CN 201020646264 U CN201020646264 U CN 201020646264U CN 201988781 U CN201988781 U CN 201988781U
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Abstract
The utility model discloses a double-side convex triangular milling blade for multipurpose milling. The blade is a convex triangular cube; and each working surface of the blade has three pairs of main cutting blades and three pairs of auxiliary cutting blades, wherein the main cutting blades are positioned at a convex triangular obtuse angle end; and the auxiliary cutting blades are positioned at a convex triangular acute angle end. Scrap grooves are formed at the lower ends of the cutting blades and are in the shape of embedded irregular curve. Each point of the main and auxiliary cutting blades consists of a big positive rake angle point and a negative chamfer, and the negative chamfers surround the inside of the external contour of the whole working surface. Clamping surfaces are in the shape of flat convex triangle and are connected with the scrap grooves; and the surfaces of upper and lower clamping surfaces are in anti-symmetrical distribution. The main cutting blades of the double-side convex triangular milling blade is designed as a big camber to make the cutting resultant force axially act on a main shaft, so that the blade has better cutting strength, and, the problem of insufficient strength of points during heavy cutting is solved to a greater extent in match with a helical blade consisting of the negative chamfers.
Description
Technical field
The utility model relates to a kind of cutter of metal cutting manufacture field, particularly a kind ofly is used to process steel alloy and stainless steel, high temperature alloy, cast iron, has the two-sided protruding triangle milling cutting insert of the multipurpose milling of higher metal removal rate.
Background technology
In the Milling Process of routine, the use tool cutting edge angle is that 90 ° milling cutter carries out common Milling Process.The square shoulder milling has been arranged, made different milling application scenarios all adopt a kind of general processing scheme to become possibility.These application scenarios comprise: mill that profile, slope mill, circumference interpolation milling, spiral interpolation milling, cycloid milling, copy milling, insert and mill and groove milling.90 ° of tool cutting edge angles have proposed some special Considerations to us.90 ° of tool cutting edge angles mean the increase of cutting impulsive force.If do not compensate by the material trade mark of careful selection carbide alloy and the geometric angle of cutting edge, these impulsive forces will cause the destruction and the vibration of cutting edge so, consider economy, sometimes the client uses 88 ° of tool cutting edge angle milling cutters that throw-away tip is housed, but this just needs to increase the requirement that time processing satisfies 90 ° of square shoulders.So defective probability increases, and some producers will consider the use multiple-cutting-edge tool, can produce violent vibrations and noise thus, and the surface quality of part processing also can't guarantee simultaneously.
The radial cutting degree of depth that stock-removing efficiency aspect, square shoulder milling cutter participate in cutting should not surpass 30% of tool diameter at most.When using the groove milling of square shoulder milling cutter, cutter is full sword cutting.This may cause vibration and chip removal problem.The number of teeth of cutter, axial cutting depth and the amount of feeding also all must think better of.
Summary of the invention
For solving the problems referred to above that prior art exists, the utility model will design and a kind ofly overcome blade tip stress concentrate in the High-speed machining process of carbon steel, steel alloy, stainless steel, cast iron or high temperature alloy workpiece, can guarantee the two-sided protruding triangle milling cutting insert that is used for the multipurpose milling of suface processing quality under big cutting-in situation.
To achieve these goals, the technical solution of the utility model is as follows: a kind of two-sided protruding triangle milling cutting insert that is used for the multipurpose milling, described blade is protruding triangle cube, wedge grip is held in handle of a knife, the upper and lower end face is for adding the working face in man-hour, and the surface configuration of upper and lower end face is the antisymmetry structure distribution; Each working face respectively has three pairs of main cutting edges and three pairs of front cutting edges, and main cutting edge is positioned at protruding triangle obtuse angle end, and front cutting edge is positioned at protruding triangle acute angle place, and each cutting edge is provided with cutting edge mark point, is respectively arranged with the working face mark up and down on the working face; The lower end of cutting edge is provided with chip area, chip area be shaped as the irregular curved surface of invaginating, perpendicular to cutting direction; Described main cutting edge and front cutting edge blade tip constitute by big positive rake angle blade tip and negative chamfered edge, the main cutting edge radial shape is the great circle camber, the axial length c of main cutting edge and front cutting edge is identical, blade tip and direction of feed all have angle β, negative chamfered edge is surrounded on entire working surface outline inboard, has fixed width w; Clamping face is shaped as the protruding triangle on plane, is connected in chip area, and the surface configuration of clamping face is the antisymmetry distribution up and down; The clamping face center is provided with the lock-screw hole, and the lock-screw hole is perpendicular to clamping face.
The basic parameter of blade described in the utility model is as follows: circumcircle diameter D is 6.4-16.5mm, and drift angle α is 21.4-21.6 °, and the long a of sword is 5.5-8.8mm, and thickness b is 4.2-8.8mm; Main cutting edge and front cutting edge blade tip drift angle β are 4.3-4.35 °, and axial length c is 4-7mm; Negative chamfered edge width w is 0.05-0.15mm; Main cutting edge horizontal sextant angle δ
1Be 26 °, negative chamfered edge horizontal sextant angle γ
1,It is 11 °; Front cutting edge blade tip level angle δ
2Be 18.5 °, negative chamfered edge horizontal sextant angle γ
2It is 3 °.
Compared with prior art, the utlity model has following beneficial effect:
1, because the thickening of the utility model blade design makes blade more strong, wedge grip is held in handle of a knife, makes cutter more firm, thereby has high rigidity characteristics, also can guarantee workpiece surface quality when carrying out high strength heavy cut and High-speed machining.Cutting edge is designed to helical edges, has the function that is similar to drill bit, the concentrated stress of blade tip is disperseed by spiral-shaped structure, significant improvement is arranged for the blade tip life-span.The design of the utility model cutting edge makes this grooved also improve the surface quality of work piece when carrying out big cutting-in.
2, because operative end surface shaped design of the present utility model becomes antisymmetry, thereby had six main cutting edge and front cutting edges that shape is identical, the design of front cutting edge makes and the utlity model has spiral feed function, also improved working (machining) efficiency when reducing cost; Blade is held for upright clamping, therefore makes the utility model blade disperse to add the resistance in man-hour preferably, make realize high efficiency in the process, the cutting moment of torque is little and the low possibility that becomes of power consumption.
3, because chip area of the present utility model is the irregular curved surface of invaginating, this design can make detritus better discharge along the curved surface direction, this design has reached better control for the bigger detritus of thickness, has solved the bigger difficult technical barrier of discharging of detritus of thickness.
4, because the utility model adopts the design of the big positive rake angle of helical edges, negative chamfered edge, make blade tip more sharp, big arc milling sword order processing intensity is bigger, is more suitable in heavy cut and high-speed cutting.Maximum cutting-in scope is maximized especially, and to have reached whole cutting edge sword long.
5, because the utility model special structural design, blade is tangentially to be locked on the blade bearing, so compare with generally installing radially the cutter of blade, bigger core diameter can be arranged.Realize highly versatile, be suitable for the heavy cut and the High-speed machining of multiple metal material workpiece such as carbon steel, steel alloy, stainless steel, cast iron or high temperature alloy.
6, the utility model blade has good processing effect, cooperate peculiar handle of a knife, that application comprises is soft, the dark die cavity milling and the groove milling of sticking material, can do facing cut, the slope is walked to mill, and inserts the processing of milling processing and spiral feed mode and can obtain favorable surface quality.
7, the design of the utility model cutting edge mark point, can better distinguish each cutting edge, thereby improved blade durability and cutter life, guaranteed to have in the blade process higher cutting feed rate and better surface quality and processing perpendicularity.
8, blade of the present utility model, the handle of a knife of being furnished with cooling hole in having can be applied to facing cut, the slope is walked to mill and insert and mill processing, can adopt spiral to enter mode.Advanced insert design technology cooperates high-intensity alloy designations, makes to the utlity model has higher durability and outstanding cutter life.
Description of drawings
5 in the total accompanying drawing of the utility model, wherein:
Fig. 1 is the schematic three dimensional views that is used for the two-sided protruding triangle milling cutting insert of multipurpose milling.
Fig. 2 is the front view that is used for the two-sided protruding triangle milling cutting insert of multipurpose milling.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the A-A position cutaway view of Fig. 2.
Fig. 5 is the B-B position cutaway view of Fig. 2.
Among the figure: 1, main cutting edge, 2, front cutting edge, 3, negative chamfered edge, 4, chip area, 5, clamping face, 6, cutting edge mark point, 7, the working face mark, 8, the lock-screw hole.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.Shown in Fig. 1-5, a kind of two-sided protruding triangle milling cutting insert that is used for the multipurpose milling, described blade is protruding triangle cube, and wedge grip is held in handle of a knife, and the upper and lower end face is for adding the working face in man-hour, and the surface configuration of upper and lower end face is the antisymmetry structure distribution; Each working face respectively has three pairs of main cutting edges 1 and three pairs of front cutting edges 2, main cutting edge 1 is positioned at protruding triangle obtuse angle end, front cutting edge 2 is positioned at protruding triangle acute angle place, and each cutting edge is provided with cutting edge mark point 6, is respectively arranged with working face mark 7 up and down on the working face; The lower end of cutting edge is provided with chip area 4, chip area 4 be shaped as the irregular curved surface of invaginating, perpendicular to cutting direction; Described main cutting edge 1 and front cutting edge 2 blade tips constitute by big positive rake angle blade tip and negative chamfered edge 3, main cutting edge 1 radial shape is the great circle camber, the axial length c of main cutting edge 1 and front cutting edge 2 is identical, blade tip and direction of feed all have angle β, negative chamfered edge 3 is surrounded on entire working surface outline inboard, has fixed width w; Clamping face 5 is shaped as the protruding triangle on plane, is connected in chip area 4, and the surface configuration of clamping face 5 is the antisymmetry distribution up and down; Clamping face 5 centers are provided with lock-screw hole 8, and lock-screw hole 8 is perpendicular to clamping face 5.The basic parameter of described blade is as follows: circumcircle diameter D is 6.4-16.5mm, and drift angle α is 21.4-21.6 °, and the long a of sword is 5.5-8.8mm, and thickness b is 4.2-8.8mm; Main cutting edge 1 and front cutting edge 2 blade tip drift angle β are 4.3-4.35 °, and axial length c is 4-7mm; Negative chamfered edge 3 width w are 0.05-0.15mm; Main cutting edge 1 horizontal sextant angle δ
1Be 26 °, negative chamfered edge 3 horizontal sextant angle γ
1,It is 11 °; Front cutting edge 2 blade tip level angle δ
2Be 18.5 °, negative chamfered edge 3 horizontal sextant angle γ
2It is 3 °.
Claims (2)
1. two-sided protruding triangle milling cutting insert that is used for the multipurpose milling, described blade is protruding triangle cube, and wedge grip is held in handle of a knife, and the upper and lower end face is for adding the working face in man-hour, and the surface configuration of upper and lower end face is the antisymmetry structure distribution; It is characterized in that: each working face respectively has three pairs of main cutting edges (1) and three pairs of front cutting edges (2), main cutting edge (1) is positioned at protruding triangle obtuse angle end, front cutting edge (2) is positioned at protruding triangle acute angle place, each cutting edge is provided with cutting edge mark point (6), is respectively arranged with working face mark (7) up and down on the working face; The lower end of cutting edge is provided with chip area (4), chip area (4) be shaped as the irregular curved surface of invaginating, perpendicular to cutting direction; Described main cutting edge (1) and front cutting edge (2) blade tip constitute by big positive rake angle blade tip and negative chamfered edge (3), main cutting edge (1) radial shape is the great circle camber, main cutting edge (1) is identical with the axial length c of front cutting edge (2), blade tip and direction of feed all have angle β, negative chamfered edge (3) is surrounded on entire working surface outline inboard, has fixed width w; Clamping face (5) is shaped as the protruding triangle on plane, is connected in chip area (4), and the surface configuration of clamping face (5) is the antisymmetry distribution up and down; Clamping face (5) center is provided with lock-screw hole (8), and lock-screw hole (8) are perpendicular to clamping face (5).
2. a kind of two-sided protruding triangle milling cutting insert that is used for the multipurpose milling according to claim 1, it is characterized in that: the basic parameter of described blade is as follows: circumcircle diameter D is 6.4-16.5mm, drift angle α is 21.4-21.6 °, and the long a of sword is 5.5-8.8mm, and thickness b is 4.2-8.8mm; Main cutting edge (1) and front cutting edge (2) blade tip drift angle β are 4.3-4.35 °, and axial length c is 4-7mm; Negative chamfered edge (3) width w is 0.05-0.15mm; Main cutting edge (1) horizontal sextant angle δ
1Be 26 °, negative chamfered edge (3) horizontal sextant angle γ
1,It is 11 °; Front cutting edge (2) blade tip level angle δ
2Be 18.5 °, negative chamfered edge (3) horizontal sextant angle γ
2It is 3 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206462641U CN201988781U (en) | 2010-12-07 | 2010-12-07 | Double-side convex triangular milling blade for multipurpose milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206462641U CN201988781U (en) | 2010-12-07 | 2010-12-07 | Double-side convex triangular milling blade for multipurpose milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201988781U true CN201988781U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206462641U Ceased CN201988781U (en) | 2010-12-07 | 2010-12-07 | Double-side convex triangular milling blade for multipurpose milling |
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| Country | Link |
|---|---|
| CN (1) | CN201988781U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744431A (en) * | 2012-07-24 | 2012-10-24 | 哈尔滨理工大学 | Grip type milling and turning composite special blade under extreme super-heavy load condition |
| CN104162704A (en) * | 2014-07-14 | 2014-11-26 | 株洲钻石切削刀具股份有限公司 | Multifunctional cutting insert and tool |
| CN107214353A (en) * | 2017-07-22 | 2017-09-29 | 哈尔滨理工大学 | A kind of lower high temperature alloy semifinishing indexable turning blade of high pressure cooling |
-
2010
- 2010-12-07 CN CN2010206462641U patent/CN201988781U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744431A (en) * | 2012-07-24 | 2012-10-24 | 哈尔滨理工大学 | Grip type milling and turning composite special blade under extreme super-heavy load condition |
| CN102744431B (en) * | 2012-07-24 | 2014-01-22 | 哈尔滨理工大学 | Grip type milling and turning composite special blade under extreme super-heavy load condition |
| CN104162704A (en) * | 2014-07-14 | 2014-11-26 | 株洲钻石切削刀具股份有限公司 | Multifunctional cutting insert and tool |
| CN107214353A (en) * | 2017-07-22 | 2017-09-29 | 哈尔滨理工大学 | A kind of lower high temperature alloy semifinishing indexable turning blade of high pressure cooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20160203 Decision number of declaring invalidation: 28177 Granted publication date: 20110928 |