CN206343637U - A kind of double-sided indexable cutting tip - Google Patents
A kind of double-sided indexable cutting tip Download PDFInfo
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- CN206343637U CN206343637U CN201621375657.7U CN201621375657U CN206343637U CN 206343637 U CN206343637 U CN 206343637U CN 201621375657 U CN201621375657 U CN 201621375657U CN 206343637 U CN206343637 U CN 206343637U
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- connecting portion
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- cutting tip
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Abstract
The utility model provides a kind of double-sided indexable cutting tip, blade body is polygonal body, blade body geometric center is provided with blade positioning hole, blade body includes upper surface, lower surface and the side of multiple connection upper surfaces and lower surface, there is the arc surface of connection between each side, upper surface and lower surface all have three drift angles, each drift angle is both provided with cutting unit, cutting unit includes arc edge, cutting edge and chip-breaker, the cutting tip cutting edge is sharp and has had cutting edge strength concurrently, and big chip space and suitable cutting lead-in curve, be conducive to workhardness relatively high material when chip curling and fracture.
Description
Technical field
The utility model belongs to metal cutting process field, more particularly to one kind compares for work piece hardness
The Indexable cutting inserts of high steel part material processing.
Background technology
In the prior art, indexable two-sided groove profile cutting tip is conventional turning insert, as user is to being processed
The requirement of the surface quality of part, the raising to the requirement of indexable insert tip, throw away tip cost performance, this, which is accomplished by us, is constantly reducing indexable
The wearability of indexable insert tip, throw away tip is improved while blade production cost, therefore, we must be for the different processing operating mode of user
The indexable insert tip, throw away tip being more suitable for is provided.Chinese patent CN101720264 discloses a pair of second connecting portions and is arranged symmetrically in
Cornerwise both sides, but the structure before first connecting portion.The second connecting portion of the structure is only smaller in cutting depth
When work, and when chip is cut blade portion from lateral incision and come, second connecting portion can not play the effect of chip breaking well.
Its material hardness is relatively all higher during due to processing bearing, and cutting edge is too sharp, and point of a knife easily collapses；Point of a knife intensity
Too high, cutting resistance again can be excessive, while will also accelerate the abrasion of knife face after cutting tip, so as to influence the life-span of blade.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of double-sided indexable cutting tip, the cutting tip has energy
It is enough effectively to control the curling of chip and fracture, and can smoothly chip removal；And the cutting edge of indexable insert tip, throw away tip taken into account its sharpness and
Intensity, material hardness higher operating mode needs when can effectively meet processing bearing.
In order to solve the above technical problems, the utility model uses following technical scheme：
The utility model provides a kind of double-sided indexable cutting tip, and the blade body is polygonal body, the blade
Body geometric center is provided with blade positioning hole, and the blade body includes：
There is the circle of connection between the side of upper surface, lower surface and multiple connection upper surfaces and lower surface, each side
Cambered surface, the highest plane of the blade positioning hole periphery protrusion of the upper surface or lower surface is flat support face, and upper surface is with
End face all has three drift angles, the flat support face be respectively arranged with three drift angle directions one it is contour with it separated
Jut；
Each drift angle is both provided with a cutting unit, and cutting unit includes arc edge, cutting edge and chip-breaker, institute
State arc edge to be crossed to form with upper surface or lower surface by arc surface, the cutting edge is by side and upper surface or lower surface
It is crossed to form, the chip-breaker is arranged on upper surface or lower surface close to the position of arc edge, the flat support face, quilt
The chip pocket to lower recess is provided between the jut and blade edge of separation；
Chip-breaker from the arc edge along drift angle to the blade positioning hole along drift angle angular bisector direction successively
The major first face of setting, the second rake face, the 3rd rake face, first connecting portion, a pair it is symmetrical along drift angle angular bisector
Second connecting portion, ridge peak and separated jut composition.
Preferably, chip-breaker has a chip breaking groove bottom, and first connecting portion and second connecting portion are all disposed within chip-breaker
On bottom surface.
Preferably, there is the first anterior angle α, α between the major first face and flat support face is 2 ° ~ 10 °；Described second
Angle beta before having second between rake face and flat support face, β is 12 ° ~ 25 °；Between 3rd rake face and flat support face
In the presence of the 3rd anterior angle γ, γ is 5 ° ~ 15 °.
It is further preferred that the first anterior angle α be 3 ° ~ 8 °, described is 14 ° ~ 20 °, the 3rd anterior angle γ be 5 ° ~
10°。
Preferably, the width a1 of the major first face is 0.05 ~ 0.4mm；The width a2 of second rake face is 0.2
~1mm。
It is further preferred that the width a1 of the major first face is 0.1 ~ 0.3mm；The width a2 of second rake face
For 0.3 ~ 1mm.
Preferably, the separated jut is " bulb " shape, and separated jut is on drift angle angular bisector pair
Claim.
Preferably, the first connecting portion and second connecting portion are spherical protuberances, and the first connecting portion is on drift angle angle
Bisector is symmetrical.
Separated jut is " bulb " shape, and first connecting portion and second connecting portion are spherical protuberances, can be by chip
Minimum friction forces between each jut, and prevent chip from melting and combining on jut surface, in addition, according to
The shape of the projection, the surface of jut is maximized, therefore can make to be transferred to the heat maximization of chip, therefore is transferred to and is cut
The heat of paring blade can be minimized.Further, since the style characteristic of projection, described to be divided no matter chip is directed to any direction
From jut, first connecting portion and second connecting portion still play good chip effect as expected.
Preferably, the chip pocket is set around flat support face, and symmetrical on drift angle angular bisector, described to set
With big chip space.
Preferably, the ridge peak is curve form, and the ridge peak is located at first connecting portion, second connecting portion and separated
Between jut.Ridge peak causes the cutting produced under the conditions of high cutting depth more to crimp so that easily control chip.
Preferably, the height of the first connecting portion is less than the height of arc edge, and difference in height is h1, and 0 ＜ h1≤
0.2mm；The height of the second connecting portion is higher than the height of first connecting portion, and difference in height is h2,0 ＜ h2≤0.3mm；Second
The height of jut is higher than the height of arc edge.
It is further preferred that 0 ＜ h1≤0.1mm, 0 ＜ h2≤0.2mm.
The utility model has the advantage of：
Corner structure before cutting tip has three in the utility model, has taken into account the sharpness and intensity of cutting edge cutting edge, has subtracted
Lack tipping and abrasion, improve blade life；Cutting tip can be controlled under conditions of low cutting depth and high cutting depth
Chip processed, and workpiece can be processed with low cutting force；Cutting tip with above groove profile parameter, with wide chip-breaker and greatly
Arrange three juts before and after chip pocket, chip breaking groove bottom bottom altogether, second connecting portion can be to along major first face, second
The chip that rake face and the 3rd rake face come play crimp well, the effect of fractureing, cutting depth is small or cutting depth
All effectively control the curling of chip when big and fracture, fully meet the use requirement of client.
Brief description of the drawings
Fig. 1 is the stereogram of this practical Indexable cutting inserts.
Fig. 2 is the front view of this practical Indexable cutting inserts.
Fig. 3 is the zoomed-in view in the D portions of cutting tip shown in Fig. 2.
Fig. 4 is cutting tip shown in Fig. 2 along the sectional view at line C-C cutting edge.
Fig. 5 is cutting tip shown in Fig. 2 along the sectional view at line C-C arc edge.
In figure：1-upper surface, 2-lower surface, 3-side, 4-arc surface, 5-first connecting portion, the 6-the second projection
Portion, 7-ridge peak, 8-separated jut, 9-chip pocket, 10-major first face, the 11-the second rake face, 12-the
Three rake faces, 13-chip-breaker, 14-positioning hole, 15-flat support face, 16-cutting unit, 31-cutting edge, 41-circle
Arc cutting edge, A-drift angle.
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. 5, the present embodiment provides a kind of double-sided indexable cutting tip, and blade body is polygonal body, knife
Piece body geometric center is provided with blade positioning hole 14, and blade body includes：Upper surface 1, lower surface 2 and multiple connection upper surfaces
1 with the side 3 of lower surface 2, there is the blade positioning hole of the arc surface 4 of connection, upper surface 1 or lower surface 2 between each side 3
The highest plane of 14 peripheries protrusion is flat support face 15, and upper surface 1 and lower surface 2 all have three drift angle A, flat support face
15 are respectively arranged with the separated jut 8 of " bulb " shape contour with it in three drift angle A directions；
Each drift angle A is both provided with a cutting unit 16, and cutting unit 16 includes arc edge 41, the and of cutting edge 31
Chip-breaker 13, arc edge 41 is crossed to form by arc surface 4 with upper surface 1 or lower surface 2, cutting edge 31 by side 3 with it is upper
End face 1 or lower surface 2 are crossed to form, and chip-breaker 13 is arranged on upper surface 1 or lower surface 2 close to the position of arc edge 41,
The chip pocket 9 to lower recess is provided between flat support face 15, separated jut 8 and blade edge, chip pocket 9 is surround
Flat support face 15 is set, and symmetrical on drift angle angular bisector；
Chip-breaker 13 from along drift angle A arc edge 41 to blade positioning hole 14 along drift angle angular bisector direction according to
The major first face 10 of secondary setting, the second rake face 11, the 3rd rake face 12, first connecting portion 5, a pair along drift angle angular bisector
Symmetrical second connecting portion 6, ridge peak 7 and separated jut 8 is constituted；
Chip-breaker 13 has a chip breaking groove bottom, and first connecting portion 5 and second connecting portion 6 are all disposed within chip breaking groove bottom
On, first connecting portion 5 is symmetrical on drift angle angular bisector, and separated jut 8 is symmetrical on drift angle angular bisector, and first dashes forward
It is spherical protuberances to play portion 5 and second connecting portion 6, and ridge peak 7 is curve form, and ridge peak 7 is located at first connecting portion 5, second connecting portion 6
Between separated jut 8.
There is the first anterior angle α, α between major first face 10 and flat support face 15 is 2 ° ~ 10 °, most preferably 3 ° ~ 8 °, sheet
In embodiment, α is 6 °；Angle beta before having second between second rake face 11 and flat support face 15, β is 12 ° ~ 25 °, most preferably
14 ° ~ 20 °, in the present embodiment, β is 17 °；There is the 3rd anterior angle γ between 3rd rake face 12 and flat support face 15, γ is 5 °
~ 15 °, in most preferably 5 ° ~ 10 ° the present embodiment, γ is 8 °.The width a1 of major first face 10 is 0.05 ~ 0.4mm, most preferably 0.1
~0.3mm；It is 0.25mm in the present embodiment；The width a2 of second rake face 11 is 0.2 ~ 1mm, most preferably 0.3mm ~ 1mm, this reality
Apply in example is 0.77mm.Corner structure before cutting tip with above groove profile parameter has three, both ensure that the cutting edge of a knife or a sword of blade cutting edge
Profit, improves the intensity and crushing resistance of cutting tip again, reduces tipping and abrasion, improves blade life.
The height of first connecting portion 5 be less than arc edge 41 height, difference in height h1 be 0 ~ 0.2mm, most preferably 0 ~
In 0.1mm, the present embodiment, h1 is 0.05mm；The height of the second connecting portion 6 is higher than the height of first connecting portion 5, difference in height
H2 is 0 ~ 0.3mm, most preferably 0 ~ 0.2mm, in the present embodiment, and h2 is 0.05mm, and the height of second connecting portion 6 is cut higher than circular arc
The height of sword 41 is cut, the second connecting portion 6 being arranged such can be to along knife before major first face 10, the second rake face 11 and the 3rd
The chip that face 12 comes play crimp well, the effect of fractureing, the first connecting portion 5 for having above-mentioned condition produces larger in cutting
Stress, it is easier to control chip, another aspect second connecting portion 6 has the height of the height more than first connecting portion 5, if
First connecting portion 5 has the height of the height more than second connecting portion 6, it may be difficult to it is expected that effective chip is controlled.
Corner structure before cutting tip in the present embodiment has three, has taken into account the sharpness and intensity of cutting edge cutting edge, has subtracted
Lack tipping and abrasion, improve blade life；Cutting tip can be controlled under conditions of low cutting depth and high cutting depth
Chip processed, and workpiece can be processed with low cutting force；Cutting tip with above groove profile parameter, with wide chip-breaker and greatly
Arrange three juts before and after chip pocket, chip breaking groove bottom bottom altogether, second connecting portion can be to along major first face, second
The chip that rake face and the 3rd rake face come play crimp well, the effect of fractureing, cutting depth is small or cutting depth
All effectively control the curling of chip when big and fracture, fully meet the use requirement of client.
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 (12)
1. a kind of double-sided indexable cutting tip, it is characterised in that the blade body is polygonal body, there are three to be divided equally for it
The drift angle angular bisector of blade, the blade body geometric center is provided with blade positioning hole (14), and the blade body includes：
The side (3) of upper surface (1), lower surface (2) and multiple connection upper surfaces (1) and lower surface (2), each side (3) it
Between there is the arc surface (4) of connection, the highest of blade positioning hole (14) periphery protrusion of the upper surface (1) or lower surface (2)
Plane is flat support face (15), and upper surface (1) and lower surface (2) all has three drift angles (A), the flat support face (15)
A separated jut (8) contour with it is respectively arranged with three drift angle (A) directions；
Each drift angle (A) is both provided with a cutting unit (16), and cutting unit (16) includes arc edge (41), cutting edge
(31) and chip-breaker (13), the arc edge (41) is crossed to form by arc surface (4) with upper surface (1) or lower surface (2),
The cutting edge (31) is crossed to form by side (3) with upper surface (1) or lower surface (2), and the chip-breaker (13) is arranged on
End face (1) or lower surface (2) are close to the position of arc edge (41), the flat support face (15), separated jut
(8) chip pocket (9) to lower recess is provided between blade edge；
Chip-breaker (13) is from the arc edge (41) along drift angle (A) to the blade positioning hole (14) along drift angle angle bisection
Major first face (10) that line direction is set gradually, the second rake face (11), the 3rd rake face (12), first connecting portion (5), one
To being constituted along the symmetrical second connecting portion of drift angle angular bisector (6), ridge peak (7) and separated jut (8).
2. double-sided indexable cutting tip according to claim 1, it is characterised in that the chip-breaker (13) has one
Chip breaking groove bottom, the first connecting portion (5) and second connecting portion (6) are all disposed within chip breaking groove bottom.
3. double-sided indexable cutting tip according to claim 1, it is characterised in that the major first face (10) is with putting down
Angle between smooth supporting surface (15) is that the first anterior angle α, α is 2 °~10 °；Second rake face (11) and flat support face
(15) angle between is angle beta before second, and β is 12 °~25 °；Between 3rd rake face (12) and flat support face (15)
Angle be the 3rd anterior angle γ, γ is 5 °~15 °.
4. double-sided indexable cutting tip according to claim 3, it is characterised in that the first anterior angle α is 3 °~8 °,
Angle beta is 14 °~20 ° before described second, and the 3rd anterior angle γ is 5 °~10 °.
5. the double-sided indexable cutting tip according to claim 1,3 or 4, it is characterised in that the major first face
(10) width a1 is 0.05~0.4mm；The width a2 of second rake face (11) is 0.2~1mm.
6. double-sided indexable cutting tip according to claim 5, it is characterised in that the width of the major first face (10)
Degree a1 is 0.1~0.3mm, and the width a2 of second rake face (11) is 0.3~1mm.
7. double-sided indexable cutting tip according to claim 1, it is characterised in that the separated jut (8)
For " bulb " shape, separated jut (8) is symmetrical on drift angle angular bisector.
8. double-sided indexable cutting tip according to claim 1 or 2, it is characterised in that the first connecting portion (5) and
Second connecting portion (6) is spherical protuberances, and first connecting portion (5) is symmetrical on drift angle angular bisector.
9. double-sided indexable cutting tip according to claim 1, it is characterised in that the chip pocket (9) is around flat
Supporting surface (15) is set, and symmetrical on drift angle angular bisector.
10. double-sided indexable cutting tip according to claim 1, it is characterised in that the ridge peak (7) is curved
Shape, ridge peak (7) are located between first connecting portion (5), second connecting portion (6) and separated jut (8).
11. double-sided indexable cutting tip according to claim 1 or 2, it is characterised in that the first connecting portion (5)
Height be less than arc edge (41) height, difference in height is h1,0 ＜ h1≤0.2mm, the height of the second connecting portion (6)
Degree is higher than the height of first connecting portion (5), and difference in height is h2, and 0 ＜ h2≤0.3mm, the height of second connecting portion (6) is higher than circular arc
The height of cutting edge (41).
12. double-sided indexable cutting tip according to claim 11, it is characterised in that the difference in height h1 is：0 ＜ h1
≤0.1mm；The difference in height h2 is：0 ＜ h2≤0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621375657.7U CN206343637U (en) | 2016-12-15 | 2016-12-15 | A kind of double-sided indexable cutting tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621375657.7U CN206343637U (en) | 2016-12-15 | 2016-12-15 | A kind of double-sided indexable cutting tip |
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| Publication Number | Publication Date |
|---|---|
| CN206343637U true CN206343637U (en) | 2017-07-21 |
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ID=59317905
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621375657.7U Active CN206343637U (en) | 2016-12-15 | 2016-12-15 | A kind of double-sided indexable cutting tip |
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Cited By (6)
| 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 |
| CN107378010A (en) * | 2017-09-26 | 2017-11-24 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of Indexable cutting inserts |
| CN107414114A (en) * | 2017-09-26 | 2017-12-01 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of Double-sided, indexable turning insert for roughing high temperature alloy |
| CN109332736A (en) * | 2018-12-06 | 2019-02-15 | 株洲欧科亿数控精密刀具股份有限公司 | One kind being used for steel flange turning insert |
| CN114131063A (en) * | 2021-11-25 | 2022-03-04 | 厦门金鹭特种合金有限公司 | Indexable turning blade for machining small parts |
| CN109332736B (en) * | 2018-12-06 | 2024-05-28 | 株洲欧科亿数控精密刀具股份有限公司 | Be used for stainless steel flange turning blade |
-
2016
- 2016-12-15 CN CN201621375657.7U patent/CN206343637U/en active Active
Cited By (9)
| 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 |
| CN107378010A (en) * | 2017-09-26 | 2017-11-24 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of Indexable cutting inserts |
| CN107414114A (en) * | 2017-09-26 | 2017-12-01 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of Double-sided, indexable turning insert for roughing high temperature alloy |
| CN107414114B (en) * | 2017-09-26 | 2023-09-08 | 株洲欧科亿数控精密刀具股份有限公司 | Double-sided indexable turning blade for rough machining of high-temperature alloy |
| CN107378010B (en) * | 2017-09-26 | 2023-10-03 | 株洲欧科亿数控精密刀具股份有限公司 | Indexable cutting insert |
| CN109332736A (en) * | 2018-12-06 | 2019-02-15 | 株洲欧科亿数控精密刀具股份有限公司 | One kind being used for steel flange turning insert |
| CN109332736B (en) * | 2018-12-06 | 2024-05-28 | 株洲欧科亿数控精密刀具股份有限公司 | Be used for stainless steel flange turning blade |
| CN114131063A (en) * | 2021-11-25 | 2022-03-04 | 厦门金鹭特种合金有限公司 | Indexable turning blade for machining small parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 412500, Hunan County, Zhuzhou province Yanling County entrepreneurship Park entrepreneurial road Patentee after: Zhuzhou OUKE CNC precision cutting tools Limited by Share Ltd Address before: Dong Jia Duan high-tech park in Hunan province 412000 Zhuzhou city Lusong District venture four Road No. 8 Patentee before: Zhuzhou OUKE CNC precision cutting tools Co., Ltd. |
|
| CP03 | Change of name, title or address |