CN208116786U - A kind of Indexable cutting inserts - Google Patents
A kind of Indexable cutting inserts Download PDFInfo
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- CN208116786U CN208116786U CN201721713594.6U CN201721713594U CN208116786U CN 208116786 U CN208116786 U CN 208116786U CN 201721713594 U CN201721713594 U CN 201721713594U CN 208116786 U CN208116786 U CN 208116786U
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- nose part
- cutting inserts
- edged
- angle
- cutting blade
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Abstract
The utility model discloses a kind of Indexable cutting inserts, including a upper surface, a lower surface and the vane body surrounded below for connecting upper and lower surface, the vane body center is equipped with mounting hole, the vane body edge is rake face, the cutting blade with nose part is formed on the edge of the rake face, the cutting blade forms a pair of of lateral incision sword, the protrusion that the prominent oriented nose part direction in the mounting hole periphery overhangs in nose part two sides；The transition cambered surface of edged surface and the described two preceding edged surfaces of connection and the flat horizontal surface to connect with the protrusion before edged surface, second before the rake face has first.The utility model Indexable cutting inserts take into account machining performance when finish cutting, and have longer service life under middle machining condition.
Description
Technical field
The utility model belongs to cutting tool technical field, more particularly to a kind of hard alloy processing blades, especially
It is a kind of hard alloy rotatable cutting tip for stainless steel processing.
Background technique
Stainless steel material has good service performance, is used widely in daily production and life.Currently, with warp
The precision of the fast development of Ji, blank production is constantly promoted, and manufacture field is further sensitive to efficiency, the feelings of stainless steel cutting processing
Great changes will take place for condition, the machined parameters of common middle or small cutting-in roughing feed.With the enhancing of automated manufacturing ability, certainly
More stringent requirements are proposed to turnery processing for dynamicization assembly line, i.e., turning insert has stable machinability.Turning knife
Piece is not easily broken in machining with suitable chip control ability and stable processing service life, especially chip and easy to stick
In the stainless steel turning processing of knot, effective control ability of chip is with regard to even more important.Wherein, chip is effectively controlled very great Cheng
Design on degree depending on the trench structure of turning insert, outstanding design turning insert is, by with least energy consumption
With effective heat dissipation make caused by chip rotate, and crimping is ideal Chip Shape, and by generated chip from
Cutting zone transfer.It needs to be cut to the cutting tip for carrying out stablizing chip processing capacity in finish cutting wider range in suitable.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of Turable cutting knife
Piece, the utility model Indexable cutting inserts take into account machining performance when finish cutting, and have under middle machining condition compared with
Long service life.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of Indexable cutting inserts, including being surrounded behind a upper surface, a lower surface and connection upper and lower surface
Vane body, the vane body center be equipped with mounting hole, the vane body edge be rake face, the side of the rake face
The cutting blade with nose part is formed on edge, the cutting blade forms a pair of of lateral incision sword in nose part two sides, and the mounting hole periphery is prominent
The protrusion that oriented nose part direction overhangs out；
Wherein, before the rake face has first before edged surface, second edged surface and the described two preceding edged surfaces of connection transition arcs
Face and the flat horizontal surface to connect with the protrusion.
Further, the first angle α and second are respectively formed between edged surface and horizontal plane before edged surface, second before described first
Angle β, first angle α and the second angle β are gradually reduced along the cutting blade far from the direction of the nose part, a distance
Tend to afterwards gentle.
Further, the variation difference of first angle α is greater than the second angle β variation difference.
Further, the angle α range before described first between edged surface and horizontal plane is 0 ~ 12 °, before described second edged surface with
Angle β range between horizontal plane is 15 ~ 25 °.
Further, the flat horizontal surface with the cutting blade vertical direction distance h along the cutting blade far from the nose part
Direction be gradually increased, tend to gentle after a distance.
Further, the distance h is 0.08 ~ 0.3mm.
Further, the flat horizontal surface is along direction of the cutting blade far from the nose part, in a distance gradually
It broadens.
Further, the width of edged surface in the horizontal direction before described first, along the cutting blade far from the nose part 4A
Direction it is gradually broadening, definite value is tended to after a distance.
Further, the 0.05 ~ 0.25mm of width k range of edged surface in the horizontal direction before described first.
Further, there is the protrusion top positioning surface, top positioning to be downwardly extending towards both side surface
Side wall surface and top position the wall surface extended to form towards nose part.
Further, the protrusion two sides setting is fluted, and the quantity of the groove is 4 ~ 8.
Compared with prior art, the beneficial effects of the utility model are：
（1）Rake face is guaranteeing to cut on the lateral incision sword direction far from the cutting blade in the utility model cutting tip
While blade has preferable sharpness, intensity is gradually increased, wear resistance enhancing, cuts service life in guarantee.
（2）The utility model is by the design to Indexable cutting inserts trench structure, produced by making during the cutting process
Chip rotate, and crimp be ideal Chip Shape, and by generated chip from cutting zone shift.So that this reality
It is that the cutting for carrying out stablizing chip processing capacity in finish cutting wider range is cut in suitable with novel Indexable cutting inserts
Blade.Meanwhile there is longer service life under conditions of being cut to finish cutting in.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the Indexable cutting inserts of the utility model.
Fig. 2 is the overlooking structure figure of the Indexable cutting inserts of the utility model.
Fig. 3 is the E-E enlarged section of Fig. 2.
Fig. 4 is the enlarged plan view of the utility model Indexable cutting inserts cutting blade 4.
Fig. 5 is the F-F enlarged section of Fig. 4.
Specific embodiment
The utility model embodiment attached drawing only for illustration, should not be understood as limiting the present invention.For
More preferably illustrate that the present embodiment, the certain components of attached drawing have omission, zoom in or out, does not represent the size of actual product；It is right
For those skilled in the art, the omitting of some known structures and their instructions in the attached drawings are understandable.Below with reference to
Drawings and examples are described further the technical solution of the utility model.
Embodiment 1
Referring to Fig. 1 to Fig. 5, the present embodiment provides a kind of Indexable cutting inserts, including a upper surface, a lower surface
With 3 vane bodies 1 surrounded behind connection upper and lower surface, vane body 1 is formed polygon using hard materials such as hard alloy
Shape tabular（Especially diamond shape tabular）.The vane body 1 is to be formed with rake face 2 on a pair of lozenge, and set
Set the blade of the 3 negative angle types extended parallel on the thickness direction of vane body 1 behind around the rake face 2.?
In the vane body 1, the positive and negative reversal symmetry of above-mentioned a pair of lozenge, and the opposite center line with the lozenge is again formed as
180 ° of rotational symmetry, in turn, the acute angle corner portions for being separately connected the diamond shape each other and obtuse corners are mutual and thickness direction
It is also symmetrically formed in parallel plane.1 center of vane body is equipped with mounting hole 6, which penetrates through blade in a thickness direction
Main body 1.
In the present embodiment in Indexable cutting inserts, rake face 2 intersects to be formed on the periphery of ridgeline and cuts with below 3
Sword 4.The cutting blade 4 is nose part 4A in the acute angle corner portions that rake face 2 is formed by diamond shape.Nose part 4A is along the thickness side
It is in dome arcuation into the vertical view of observation, and is extended vertically on the thickness direction along the thickness direction.Cutting blade 4 is at this
The two sides of nose part 4A have a pair of of lateral incision sword 4B, and the lateral incision sword 4B is on the thickness direction vertically to the blunt of the diamond shape
Angle corner extends.On the thickness direction, cutting blade 4 is linearly vertical with the thickness direction.
On the rake face 2 of the interior survey of the cutting blade 4 containing the nose part 4A, formed at spaced intervals with cutting blade 4 to knife
The protrusion 5 that the tip direction 4A overhangs.
Referring to fig. 4, which has：Top positioning surface 5A, top positioning surface 5A are downwardly extending to both side surface
Side wall surface 5b and the wall surface 5B that is extended to form to nose part 4A of top positioning surface 5A.Wherein：Top positioning surface 5A is formed in vertical
Directly with the flat surface of the thickness direction and the overhanging height that overhangs on the thickness direction it is higher than cutting blade 4；Wall surface 5B direction should
Top 5A is tilted in a manner of with gradually swelling in a thickness direction towards the inside of rake face 2；Side wall surface 5b is distributed in
The two sides wall surface 5B, inclined direction are identical as wall surface 5B.Each 5 both ends of protrusion are designed with groove 7, and the quantity of groove 7 is 4 ~ 8
It is a.The present embodiment is 8.
Referring to fig. 2,3 and 5, in the present embodiment in Indexable cutting inserts, rake face 2 has：Edged surface 2A before first, is located at
Nearly 4 side of cutting blade, to the rake face 2 on the inside of tilt；Edged surface 2C before second is located at 2 inside of rake face, to the rake face 2
Inside inclination；Transition cambered surface 2B, between edged surface 2C before edged surface 2A and described second before described first, smooth connection is described two
Preceding edged surface；Flat horizontal surface 2D connects with the protrusion 5.
Wherein, the angle α before first between edged surface 2A and horizontal plane, the side along the cutting blade 4 far from the nose part 4A
To being gradually reduced, tend to gentle in the position L1 far from the nose part 4A, L1 is close away from nose part 4A along the lateral incision direction sword 4B
The distance at end, L1 >=1.5mm, α range are 0 ~ 12 °, and α range is 0 ~ 8 ° in the present embodiment；This before first edged surface 2A in level side
Upward width k, the direction along the cutting blade 4 far from the nose part 4A is gradually broadening, in the L2 far from the nose part 4A
Position tend to definite value, L2 be along distance of the lateral incision direction sword 4B away from the proximal end nose part 4A, L2 >=L1, k 0.05 ~ 0.25mm of range,
0.08 ~ 0.20mm of k range in the present embodiment.
The direction of the angle β along the cutting blade 4 far from the nose part 4A before second between edged surface 2C and horizontal plane is gradually
Reduce, tend to gentle in the position L3 far from the nose part 4A, L3 be along the lateral incision direction sword 4B away from the proximal end nose part 4A away from
From L3 > L2, β range is 15 ~ 25 °, and β range is 16 ~ 20 ° in the present embodiment.
The variation difference of first angle α is greater than the second angle β and changes difference.
The distance h on the thickness direction is along the cutting blade 4 far from the point of a knife to flat horizontal surface 2D with the cutting blade 4
The direction of portion 4A is gradually increased, and tends to gentle in the position L4 far from the nose part 4A, L4 is along the direction lateral incision sword 4B away from knife
The distance of the tip proximal end 4A, L4 > L2, h 0.08 ~ 0.3mm of range, 0.12 ~ 0.23mm of h range in the present embodiment；The flat horizontal surface
Along direction of the cutting blade far from the nose part, tend to gentle in the position L5 far from the nose part 4A, L5 is along side
Distance of the direction cutting blade 4B away from the proximal end nose part 4A, L5 > L4.
Using the Indexable cutting inserts of above-mentioned parameter, there is preferable sharpness, intensity increases, wear resistance enhancing,
It can guarantee the cutting service life of the blade.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (10)
1. a kind of Indexable cutting inserts, which is characterized in that including a upper surface, a lower surface and connection upper and lower surface
The vane body (1) that (3) surround below, vane body (1) center are equipped with mounting hole (6), vane body (1) edge
For rake face (2), the cutting blade (4) with nose part (4A) is formed on the edge of the rake face (2), the cutting blade (4) is in knife
The two sides tip (4A) form a pair of of lateral incision sword (4B), and the prominent oriented nose part direction (4A) in mounting hole (6) periphery overhangs
Protrusion (5)；
Wherein, edged surface (2C) and described two preceding edged surfaces are connected before edged surface (2A), second before the rake face (2) has first
Transition cambered surface (2B) and the flat horizontal surface (2D) to connect with the protrusion (5).
2. Indexable cutting inserts according to claim 1, which is characterized in that before described first before edged surface (2A), second
The first angle α and the second angle β are respectively formed between edged surface (2C) and horizontal plane, first angle α and the second angle β are along institute
It states cutting blade (4) to be gradually reduced far from the direction of the nose part (4A), tends to gentle after a distance.
3. with according to Indexable cutting inserts as claimed in claim 2, which is characterized in that the variation difference of first angle α is big
Change difference in the second angle β.
4. with according to Indexable cutting inserts described in claim 2 or 3, which is characterized in that edged surface (2A) and water before described first
The angle α range of interplanar is 0~12 °, and the angle β range before described second between edged surface (2C) and horizontal plane is 15~25 °.
5. Indexable cutting inserts according to claim 1, which is characterized in that the flat horizontal surface (2D) and the cutting blade
(4) the distance h of vertical direction is gradually increased along the cutting blade (4) far from the direction of the nose part (4A), is become after a distance
To gentle.
6. Indexable cutting inserts according to claim 5, which is characterized in that the distance h is 0.08~0.3mm.
7. Indexable cutting inserts according to claim 1, which is characterized in that the flat horizontal surface (2D) is along the cutting blade
(4) it on the direction far from the nose part (4A), gradually broadens in a distance.
8. Indexable cutting inserts according to claim 1, which is characterized in that edged surface (2A) is in level side before described first
Upward width k, the direction along the cutting blade (4) far from the nose part (4A) is gradually broadening, and definite value is tended to after a distance.
9. Indexable cutting inserts according to claim 8, which is characterized in that edged surface (2A) is in level side before described first
Upward 0.05~0.25mm of width k range.
10. according to claim 1~3,5~9 described in any item Indexable cutting inserts, which is characterized in that the protrusion
(5) side wall surface (5b) that there is top positioning surface (5A), top positioning surface (5A) to be downwardly extending to both side surface and top
The wall surface (5B) that positioning surface (5A) is extended to form to nose part (4A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713594.6U CN208116786U (en) | 2017-12-11 | 2017-12-11 | A kind of Indexable cutting inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713594.6U CN208116786U (en) | 2017-12-11 | 2017-12-11 | A kind of Indexable cutting inserts |
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| Publication Number | Publication Date |
|---|---|
| CN208116786U true CN208116786U (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721713594.6U Active CN208116786U (en) | 2017-12-11 | 2017-12-11 | A kind of Indexable cutting inserts |
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| CN (1) | CN208116786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790758A (en) * | 2017-12-11 | 2018-03-13 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of Indexable cutting inserts |
-
2017
- 2017-12-11 CN CN201721713594.6U patent/CN208116786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790758A (en) * | 2017-12-11 | 2018-03-13 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of Indexable cutting inserts |
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