CN206561131U - A kind of indexable sided cutting insert - Google Patents
A kind of indexable sided cutting insert Download PDFInfo
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- CN206561131U CN206561131U CN201720065012.1U CN201720065012U CN206561131U CN 206561131 U CN206561131 U CN 206561131U CN 201720065012 U CN201720065012 U CN 201720065012U CN 206561131 U CN206561131 U CN 206561131U
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- edge
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- gear bits
- indexable
- platform
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Abstract
The utility model discloses a kind of indexable sided cutting insert, blade body is polygonal body, and geometric center is provided with installation through-hole, and highest planar circular installation through-hole is set, cutting unit is distributed in two adjacent side angles, and cutting unit includes arc edge, seamed edge cutting edge and chip-breaker；A small-sized gear bits platform is distributed around in point of a knife, to ensure that ability is considered in control good under small cutting-in situation to be worth doing；From point of a knife remotely, gear bits platform is gradually widened, good chip breaking ability during ensureing that cutting-in is increased；Cutting edge complete cycle leaves chip pocket.Above structure causes blade to have extremely strong versatility.In being particularly suitable for use in, half essence of small cutting-in is extremely finished.
Description
Technical field
The utility model is related to a kind of cutting tool, more particularly, to a kind of indexable sided cutting insert.
Background technology
Eurymeric Indexable cutting inserts, with more and more extensive, are used not only in turning field in machining field, and
There is quite a few eurymeric blade while can operate with rotary cutter, therefore to the versatility of blade, excellent combination property will
Seek also more and more higher.
For half essence to the blade of finishing cutting, cutting edge is not required nothing more than has certain sharpness, also requires that cutting edge has
There is certain intensity.Especially, under small cutting-in, when chip can not disconnect, to avoid chip from including colored machined surface, control is cut
The form and flow direction of bits become quite important.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of indexable sided cutting insert, the blade effectively has utilization
In metal half essence to finishing, for different cutting-ins, control that can be effective to chip further, is ensureing point of a knife cutting edge of a knife or a sword
While sharp, also in view of the intensity of cutting edge, turning, milling field can be widely used in.
Above-mentioned purpose of the present utility model is achieved by the following technical programs：
A kind of indexable sided cutting insert, blade body is polygon, and it is fixed that blade body geometric center is provided with installation
Position hole, the blade body includes：
Upper surface, lower surface and connects the arc surface of each side at side, sideways with arc surface and upper surface into certain
Angle, upper surface and lower surface be similar polygon, the upper surface blade positioning hole periphery protrusion highest plane based on
Plane, upper surface is provided with not less than 1 drift angle A；
Each drift angle is both provided with a cutting unit, and cutting unit includes arc edge, seamed edge cutting edge and chip breaking
Groove, the arc edge is crossed to form by upper surface and arc surface, and the seamed edge cutting edge intersects shape by side with upper surface
Into the chip-breaker is arranged on upper surface and is provided between the position of arc edge, the principal plane and blade edge
Gear bits baseplane, rake face leaves certain chip space with principal plane complete cycle, and space most narrow dimension is 0.2~1mm；
Chip-breaker is set successively from the arc edge along drift angle to the blade positioning hole along drift angle angular bisector direction
The rib plane put, rake face, gear bits baseplane, point of a knife ridge peak, a pair along the symmetrical bulbous gear bits platform of drift angle angular bisector
With a pair platform is considered to be worth doing along the symmetrical main gear of drift angle angular bisector.
Further, rib plane is the plane parallel with lower surface with upper surface.
Further, the rib plane between two adjacent arc edges is set to become tread structure, is cut from circular arc
Cut sword and at seamed edge cutting edge junction to 3/5 length L of seamed edge cutting edge, rib plane width be widened to width Y by width X,
The width X numerical value is 0.1~0.18mm, and width Y is 1.4~1.8 times of width X, the remaining 2/5 length L rib plane
Width keeps width Y constant.
Further, the rake face is intersected with rib plane with angle anterior angle θ to the baseplane extension of gear bits, and anterior angle θ is 12 °
~20 °.
Further, point of a knife ridge peak is postponed along certain slope to both sides, and both sides are all intersected linearly with gear bits baseplane, and two
The angle r angles of bar straight line formation are 30~50 °.
Further, the main gear bits platform grows from gear bits baseplane to principal plane, and the angled relief angle M of principal plane, after
Angle M is 20 °~40 °.
Further, the point of a knife ridge peak is postponed to main gear bits platform, and the intersection with gear bits baseplane is from straight line to circular arc phase
Cut through and cross, the rib plane, point of a knife ridge peak, main gear bits platform three surround semilunar month shape string chip discharging structure, the semilunar month
Shape action is height E, and height E is 0.6~1mm, and bottom width is width F, and width F is the 1/3~1/ of seamed edge cutting edge length
2。
Further, the bulbous gear bits platform extends from gear bits baseplane to principal plane direction, and is crossed with main gear bits platform,
On the basis of rib plane, the joint height dimension is height H2, and the gear bits baseplane depth dimensions is height H1, height
H1 is 0.03~0.1mm, and the principal plane height dimension is height H3, and height H3 is 0.1~0.3mm, and height H2 is height H3
1/3~2/3,
Further, the bulbous gear bits platform is tapered depends on main gear bits platform and gear bits baseplane, the bulbous gear bits
The seamed edge of the seamed edge cutting edge of platform center line corresponding thereto is into angle a, and angle a is -5~+5 °, bulbous gear bits platform center line with it is right
The vertical range for answering the center of tool arc cutting edge is length D, and length D is 0.3~0.7mm, bulbous gear bits platform and gear bits bottom
The intersection formation included angle B of plane, included angle B is 15~45 °.
Further, the rake face leaves certain chip space chip pocket, space most narrow rule with principal plane complete cycle
Very little is 0.2~1mm.
The utility model is applied to side and arc surface and upper surface into 3 °, 5 °, 7 ° or 11 ° of indexable one side bite
Piece, be particularly suitable for use in 7 ° of indexable sided cutting insert.
The beneficial effects of the utility model are：
The indexable sided cutting insert that the present invention is provided, cutting unit shape is integrally succinct, smooth, can meet turning,
The versatility of milling.Scope in from 0~1mm of point of a knife sets bulbous to keep off bits platform, is conducive to the curling of the chip of small cutting-in, together
When to bulbous keep off consider to be worth doing platform height and position be limited, harmful effect is not produced to the cutting-in more than 1mm.
The indexable sided cutting insert that the present invention is provided, carrying for cutting edge strength is conducive in wide the done localized variation of rib
Rise, chip space is left on logical week cutting edge periphery so that every bit can perform effectively cutting on cutting edge.
Brief description of the drawings
Fig. 1 is the top view of the utility model cutting tip.
Fig. 2 is the axonometric drawing of the utility model cutting tip.
Fig. 3 is the utility model bulbous gear bits platform detail view.
Fig. 4 is the utility model crescent moon annular gear bits platform detail view.
Fig. 5 is the utility model rib sea level changes detail view.
Fig. 6 is the utility model cutting unit height dimension detail view.
Fig. 7 is the utility model cutting tip side view.
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
Referring to Fig. 1 to Fig. 7, a kind of indexable sided cutting insert, blade body is polygon, blade body geometric center
Mounting-positioning holes 10 are provided with, blade body includes upper surface, lower surface, side and the arc surface for connecting each side, side
Face and arc surface are with upper surface into 7 °, and upper surface and lower surface are similar polygon, and the periphery of blade positioning hole 10 of upper surface is convex
The highest plane gone out is principal plane 8, and upper surface is provided with two drift angle A；Each drift angle A is both provided with a cutting unit, cuts
Cutting unit includes arc edge 4, seamed edge cutting edge 5 and chip-breaker, and arc edge 4 intersects shape by upper surface and arc surface
Into seamed edge cutting edge 5 is crossed to form by side with upper surface, and chip-breaker is arranged on upper surface close to the portion of arc edge 4
Position, is provided with gear bits baseplane 9 between principal plane 8 and blade edge；Chip-breaker along the arc edge of drift angle to blade from determining
The rib plane 6 set gradually along drift angle angular bisector direction in position hole 10, rake face 3, gear bits baseplane 9, point of a knife ridge peak 7, one
To considering platform 1 to be worth doing along the symmetrical bulbous gear bits platform 2 of drift angle angular bisector and a pair along the symmetrical main gear of drift angle angular bisector.
Rib plane 6 is the plane parallel with lower surface with upper surface.It is empty that rake face 3 leaves certain appearance bits with the complete cycle of principal plane 8
Between, space most narrow dimension is 0.2~1mm, and the present embodiment is 0.2mm.
Rib plane 6 between two adjacent circular arc cutting edges 4 is set to become tread structure, from arc edge 4 and seamed edge
At the junction of cutting edge 5 to 3/5 length of seamed edge cutting edge 5, the width of rib plane 6 is widened to width Y, width X numerical value by width X
For 0.1~0.18mm, the present embodiment width X is 1.15mm, and width Y is 1.4~1.8 times of width X, and the present embodiment is 1.5
Times, width Y is 1.725mm, and the width of rib plane 6 of remaining 2/5 length keeps width Y=1.725mm constant.Rake face 3 and rib
Plane 6 is intersecting to the extension of baseplane 9 of gear bits with angle anterior angle θ, and θ is 12 °~20 °, and the present embodiment is 15 °.
Point of a knife ridge peak 7 is postponed along certain slope to both sides, and both sides are all intersected linearly with gear bits baseplane 9, two straight lines
The angle r angles of formation are 30~50 °, and the present embodiment angle r is 40 °.Main gear bits platform 1 is given birth to from gear bits baseplane 9 to principal plane 8
Long, with the angled relief angle M of principal plane 8, relief angle M is 20 °~40 °, and the present embodiment relief angle M is 30 °.Postpone to master at point of a knife ridge peak 7
Bits platform 1 is kept off, the intersection with gear bits baseplane 9 is from straight line to the tangent transition of circular arc, and rib plane 6, point of a knife ridge peak 7, main gear consider platform 1 three to be worth doing
Person surrounds semilunar month shape string chip discharging structure, and semilunar month shape action is height E, and height E is 0.6~1mm, the present embodiment height
E is 0.8mm, and bottom width is width F, and width F is the 1/3~1/2 of the length of seamed edge cutting edge 5, and the present embodiment is 1/2, width F
For 0.4mm.
Bulbous gear bits platform 2 extends from gear bits baseplane 9 to the direction of principal plane 8, and is crossed with main gear bits platform 1, with rib plane 6
On the basis of, joint height dimension be height H2, gear bits the depth dimensions of baseplane 9 be height H1, height H1 be 0.03~
0.1mm, the present embodiment height H1 are 0.05mm, and the height dimension of principal plane 8 is height H3, and height H3 is 0.1~0.3mm, this reality
Example height H3 is applied for 0.3, height H2 is that height H2 is 0.2mm in the 1/3~2/3 of height H3, the present embodiment.Bulbous gear bits platform 2
It is tapered to depend on main gear bits platform 1 and gear bits baseplane 9, the rib of the seamed edge cutting edge 5 of bulbous gear bits platform 2 center line corresponding thereto
While into angle a, angle a is -5~+5 °, angle a is+5 ° in the present embodiment, the bulbous gear bits center line of platform 2 and corresponding tool arc
The vertical range at the center of cutting edge 4 is length D, and length D is 0.3~0.7mm, and length D takes 0.5mm, bulbous in the present embodiment
Gear bits platform 2 and the intersection formation included angle B of gear bits baseplane 9, included angle B is 15~45 °, and included angle B takes 30 ° in the present embodiment.
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 any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in this
Within the protection domain of utility model right requirement.
Claims (10)
1. a kind of indexable sided cutting insert, it is characterised in that the blade body is polygon, the blade body geometry
Mounting-positioning holes (10) are provided centrally with, the blade body includes：
Upper surface, lower surface and connects the arc surface of each side at side, sideways with arc surface and upper surface into certain angle
Degree, upper surface and lower surface are similar polygon, and the highest plane of blade positioning hole (10) periphery protrusion of the upper surface is
Principal plane (8), upper surface is provided with not less than 1 drift angle (A)；
Each drift angle (A) is both provided with a cutting unit, cutting unit include arc edge (4), seamed edge cutting edge (5) and
Chip-breaker, the arc edge (4) is crossed to form by upper surface and arc surface, the seamed edge cutting edge (5) by side with it is upper
End face is crossed to form, and the chip-breaker is arranged on position of the upper surface close to arc edge (4), the principal plane (8) and knife
Gear bits baseplane (9) are provided between piece edge；
Chip-breaker being set successively along drift angle angular bisector direction from the arc edge along drift angle to the blade positioning hole (10)
The rib plane (6) put, rake face (3), gear bits baseplane (9), point of a knife ridge peak (7), a pair it is symmetrical along drift angle angular bisector
Bulbous gear bits platform (2) and consider platform (1) composition to be worth doing along the symmetrical main gear of drift angle (A) angular bisector a pair.
2. indexable sided cutting insert according to claim 1, it is characterised in that the rib plane (6) is and upper end
The face plane parallel with lower surface.
3. indexable sided cutting insert according to claim 1 or 2, it is characterised in that two adjacent circular arcs are cut
Cut the rib plane (6) between sword (4) to be set to become tread structure, from arc edge (4) and seamed edge cutting edge (5) junction extremely
3/5 length (L) place of seamed edge cutting edge (5), rib plane (6) width is widened to width (Y), width (X) number by width (X)
It is worth for 0.1~0.18mm, width (Y) is 1.4~1.8 times of width (X), the rib plane (6) of remaining 2/5 length (L) is wide
Degree keeps width (Y) constant.
4. indexable sided cutting insert according to claim 1 or 2, it is characterised in that the rake face (3) is put down with rib
Face (6) is intersecting to gear bits baseplane (9) extension with angle anterior angle (θ), and anterior angle (θ) is 12 °~20 °.
5. indexable sided cutting insert according to claim 1, it is characterised in that point of a knife ridge peak (7) is along certain slope
Being postponed to both sides, both sides all intersect linearly with gear bits baseplane (9), angle (r) angle that two straight lines are formed is 30~
50°。
6. indexable sided cutting insert according to claim 1, it is characterised in that the main gear bits platform (1) is considered to be worth doing from gear
Baseplane (9) grows to principal plane (8), and with principal plane (8) angled relief angle (M), relief angle (M) is 20 °~40 °.
7. the indexable sided cutting insert according to claim 1,2,5 or 6 any one, it is characterised in that the point of a knife
Ridge peak (7) is postponed to main gear bits platform (1), and the intersection with gear bits baseplane (9) is from straight line to the tangent transition of circular arc, the rib plane
(6), point of a knife ridge peak (7), main gear bits platform (1) three surround semilunar month shape string chip discharging structure, and the semilunar month shape action is
Highly (E), height (E) be 0.6~1mm, bottom width be width (F), width (F) for seamed edge cutting edge (5) length 1/3~
1/2。
8. indexable sided cutting insert according to claim 2, it is characterised in that the bulbous gear considers platform (2) to be worth doing from gear
Consider baseplane (9) to be worth doing to principal plane (8) direction to extend, and crossed with main gear bits platform (1), it is described to cross on the basis of rib plane (6)
Point height dimension for height (H2), it is described gear bits baseplane (9) depth dimensions for height (H1), height (H1) be 0.03~
0.1mm, principal plane (8) height dimension is height (H3), and height (H3) 0.1~0.3mm, height (H2) is height (H3)
1/3~2/3.
9. the indexable sided cutting insert according to claim 1,2 or 8 any one, it is characterised in that the bulbous gear
Bits platform (2) is tapered to depend on main gear bits platform (1) and gear bits baseplane (9), and described bulbous gear bits platform (2) center line is corresponding thereto
Seamed edge cutting edge (5) seamed edge into angle (a), angle (a) is -5~+5 °, bulbous gear bits platform (2) center line and corresponding point of a knife
The vertical range at the center of arc edge (4) is length (D), and length (D) is 0.3~0.7mm, bulbous gear bits platform (2) and gear
Consider the intersection formation angle (B) of baseplane (9) to be worth doing, angle (B) is 15~45 °.
10. the indexable sided cutting insert according to claim 1,2,5,6 or 8 any one, it is characterised in that before described
Knife face (3) leaves certain chip space with principal plane (8) complete cycle, and chip space most narrow dimension is 0.2~1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065012.1U CN206561131U (en) | 2017-01-19 | 2017-01-19 | A kind of indexable sided cutting insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065012.1U CN206561131U (en) | 2017-01-19 | 2017-01-19 | A kind of indexable sided cutting insert |
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| Publication Number | Publication Date |
|---|---|
| CN206561131U true CN206561131U (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720065012.1U Active CN206561131U (en) | 2017-01-19 | 2017-01-19 | A kind of indexable sided cutting insert |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369743A (en) * | 2019-08-19 | 2019-10-25 | 北京沃尔德金刚石工具股份有限公司 | A kind of PCBN cutter and manufacturing method with chip-breaker |
-
2017
- 2017-01-19 CN CN201720065012.1U patent/CN206561131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369743A (en) * | 2019-08-19 | 2019-10-25 | 北京沃尔德金刚石工具股份有限公司 | A kind of PCBN cutter and manufacturing method with chip-breaker |
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