CN201632699U - Rotatable quadrate milling blade - Google Patents
Rotatable quadrate milling blade Download PDFInfo
- Publication number
- CN201632699U CN201632699U CN2009202961934U CN200920296193U CN201632699U CN 201632699 U CN201632699 U CN 201632699U CN 2009202961934 U CN2009202961934 U CN 2009202961934U CN 200920296193 U CN200920296193 U CN 200920296193U CN 201632699 U CN201632699 U CN 201632699U
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- face
- blade
- cutting edge
- milling
- back knife
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Abstract
The utility model provides a rotatable quadrate milling blade, which basically consists of a parallel hexahedron. The blade comprises a front blade face and a back blade face. The geometric centers of the blade surface behind a main body are symmetric points which are symmetrically formed into two unit blades; each unit blade comprises a side face and a bottom face, wherein the side face is arranged between the front blade face and the back blade face, the bottom face is arranged between the front blade face and the back blade face and is intersected with the side face, the front blade face is intersected with the side face to form into a main milling blade, the front blade face is intersected with the bottom face to be form into a subsidiary milling blade, the width of the side face is gradually reduced from the bottom face to lead the main milling blade to be in the shape of arc, the position where the side face is near to the main milling blade is provided with a spiral face which is extended along the main milling blade, and a positive front angel is formed between the main milling blade and the front blade face. The spiral face is good for dispersing the milling load when the main milling blade is used for milling, leads the milling force to be uniformly distributed, reduces the vibration of the milling blade during milling, is hard to generate broken blade, and is good for prolonging the service life of the rotatable quadrate milling blade.
Description
Technical field:
The utility model relates to the milling cutting insert technical field, particularly a kind of indexable square milling cutting insert.
Background technology:
At present, the blade of using in milling cutter both at home and abroad generally adopts the cutter blade of plane face.Also has a kind of rectangle cutter blade, it has the flute profile of zigzag cutting edge, and this cutter blade has bifurcating chip action, but its tooth bottom easily produces the concentrated micro-crack that reaches of stress in compacting production and in using, weakened the intensity of cutting edge and blade, crown portion is easy to wearing and tearing again.Because the cutter blade of zigzag cutting edge is lower service life, so cause the integrated cost of Milling Process higher.
The utility model content:
The purpose of this utility model is to provide a kind of cutting force distributing equilibrium at the deficiencies in the prior art, is difficult for tipping, the indexable square milling cutting insert of long service life.
The purpose of this utility model realizes by following technical measures:
A kind of indexable square milling cutting insert, it is made of a parallelepiped substantially, comprise a rake face and a back knife face, body is that symmetric points are symmetrically distributed into two unit swords with the geometric center of described back knife face, each unit sword comprises the side between described rake face and back knife face, and between described rake face and back knife face, and with crossing bottom surface, described side, the formation main cutting edge is intersected in described rake face and side, the formation front cutting edge is intersected in described rake face and bottom surface, the width of described side reduces gradually from the bottom surface, thereby make described main cutting edge curved, described side is provided with a helicoid along the main cutting edge extension near the position of described main cutting edge, is formed with positive rake angle between described main cutting edge and the described rake face.
Further technical scheme of the present utility model comprises:
Described helicoid and intersection, described side are provided with the reinforcement that extends and swell along described main cutting edge.
Described side becomes an obtuse angle with the back knife face.
Further, described bottom surface is provided with axial protuberance near the position of described side, described front cutting edge protrudes in the front cutting edge remainder at the section axial of described axial protuberance, described axial protuberance has an inclined-plane, this inclined-plane is basically perpendicular to described main cutting edge, described inclined-plane transits to described bottom surface by a helically twisted crack face, and the inclination angle of this helically twisted crack face increases with the increase of cutting depth, and described inclined-plane passes through a rounding off surface blending to described side.
Wherein, described bottom surface and described back knife face form an obtuse angle, are formed with positive rake angle between described front cutting edge and the described rake face.
According to above-described, described rake face center offers a locating hole, and described locating hole connects to described back knife face, and the axial line of locating hole is perpendicular to described back knife face.
Described rake face is provided with locating surface near the position of described locating hole.
The utility model beneficial effect is: this indexable square milling cutting insert is made of a parallelepiped substantially, comprise a rake face and a back knife face, body is that symmetric points are symmetrically distributed into two unit swords with the geometric center of described back knife face, each unit sword comprises the side between described rake face and back knife face, and between described rake face and back knife face, and with crossing bottom surface, described side, the formation main cutting edge is intersected in described rake face and side, the formation front cutting edge is intersected in described rake face and bottom surface, the width of described side reduces gradually from the bottom surface, thereby make described main cutting edge curved, described side is provided with a helicoid along the main cutting edge extension near the position of described main cutting edge, is formed with positive rake angle between described main cutting edge and the described rake face; Described helicoid helps disperseing the cutting load of main cutting edge in working angles, makes the cutting force distributing equilibrium, has reduced the vibration of cutter blade in the working angles, is difficult for producing tipping, helps improving service life of the present utility model.
Description of drawings:
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of indexable square milling cutting insert of the present utility model;
Fig. 2 is the rake face structural representation of indexable square milling cutting insert of the present utility model;
Fig. 3 is the side structure schematic diagram of indexable square milling cutting insert of the present utility model;
Fig. 4 is the back knife face structural representation of indexable square milling cutting insert of the present utility model;
Fig. 5 is the bottom surface structural representation of indexable square milling cutting insert of the present utility model.
Comprise among Fig. 1 to Fig. 5:
1---unit sword 11---rake face 12---back knife face
2---side 3---bottom surface 31---axial protuberances
311---inclined-plane 32---helically twisted crack face 33---fillet surfaces
4---main cutting edge 5---front cutting edge 6---helicoids
7---reinforcement 8---locating hole 9---locating surfaces
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described, sees Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, this is preferred embodiment of the present utility model:
A kind of indexable square milling cutting insert, it is made of a parallelepiped substantially, comprise a rake face 11 and a back knife face 12, body is that symmetric points are symmetrically distributed into two unit swords 1 with the geometric center of described back knife face 12, each unit sword 1 comprises the side 2 between described rake face 11 and back knife face 12, and between described rake face 11 and back knife face 12, and the bottom surface 3 of intersecting with described side 2, described rake face 11 intersects formation main cutting edge 4 with side 2, described rake face 11 intersects formation front cutting edge 5 with bottom surface 3, the width of described side 23 reduces gradually from the bottom surface, thereby make described main cutting edge 4 curved, described side 2 is provided with a helicoid 6 along main cutting edge 4 extensions near the position of described main cutting edge 4, is formed with positive rake angle between described main cutting edge 4 and the described rake face 11.
Helicoid 6 described in the utility model helps disperseing the cutting load of main cutting edge 4 in working angles, makes the cutting force distributing equilibrium, has reduced the vibration of cutter blade in the working angles, is difficult for producing tipping, helps improving service life of the present utility model.
Described positive rake angle helps chip removal, has improved the intensity of main cutting edge 4 simultaneously.
Described helicoid 6 is provided with the reinforcement 7 that extends and swell along described main cutting edge 4 with 2 intersections, described side.This reinforcement 7 has improved the intensity of main cutting edge 4, and main cutting edge described in the use 4 is difficult for taking place tipping.
See shown in Figure 5, described side 2 and knife face 12 one-tenth one obtuse angles, back.Also that is to say, be formed with relief angle between described side 2 and the main cutting edge 4, this relief angle can form the allowance space in working angles, avoid the surface after side 2 and the workpiece excision surplus except that cutting edge to contact, make working angles smooth, simultaneously, the surplus bits of smear metal that residue in surface of the work also can be discharged from this allowance space, avoid these surplus bits scratch surface of the works.
See shown in Figure 2, described bottom surface 3 is provided with axial protuberance 31 near the position of described side 2, described front cutting edge 5 protrudes in front cutting edge 5 remainders at the section axial of described axial protuberance 31, described axial protuberance 31 has an inclined-plane 311, this inclined-plane 311 is basically perpendicular to described main cutting edge 4, described inclined-plane 311 transits to described bottom surface 3 by a helically twisted crack face 32, the inclination angle of this helically twisted crack face 32 increases with the increase of cutting depth, and described inclined-plane 311 transits to described side 2 by a rounding off curved surface 33.
Wherein, described axially be meant with respect to the central shaft of milling cutter body axially because described axial protuberance 31 exists, the axial feed of described front cutting edge 5 is more smooth.
When changing clamping direction of the present utility model, main cutting edge 4, front cutting edge 5 effects are exchanged, and make the utility model blade both can be used for End Milling Process, can be used for plain milling processing again.Axially the inclined-plane 311 of protuberance 31 is basically perpendicular to main cutting edge 4, thus the perpendicularity that workpiece has been processed side 2 when having guaranteed vertical milling; The main cutting edge 4 of arc has played the effect of wiper edges during plain milling, has guaranteed the roughness on milling surface preferably.
Wherein, described bottom surface 3 forms an obtuse angle with described back knife face 12, is formed with positive rake angle between described front cutting edge 5 and the described rake face 11.This obtuse angle makes between bottom surface 3 and the described front cutting edge 5 and is formed with relief angle, and the effect of the effect of described relief angle and positive rake angle and the relief angle of above-mentioned main cutting edge 4 and positive rake angle is identical.
According to above-described, described rake face 11 centers offer a locating hole 8, and described locating hole 8 connects to described back knife face 12, and the axial line of locating hole 8 is perpendicular to described back knife face 12.When the utility model is installed on milling cutter body, passes described locating hole 8 by connecting screw rod this cutter blade is fixed in milling cutter body.
Described rake face 11 is provided with locating surface 9 near the position of described locating hole 8.After having fixedly mounted the utility model on the milling cutter body, described locating surface 9 cooperates with the positioner of milling cutter body, is used to retrain the position of the utility model with respect to cutterhead, avoids that cutter blade is offset in the use, influences cutting precision.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (7)
1. indexable square milling cutting insert, it is made of a parallelepiped substantially, comprise a rake face and a back knife face, body is that symmetric points are symmetrically distributed into two unit swords with the geometric center of described back knife face, each unit sword comprises the side between described rake face and back knife face, and between described rake face and back knife face, and with crossing bottom surface, described side, the formation main cutting edge is intersected in described rake face and side, the formation front cutting edge is intersected in described rake face and bottom surface, it is characterized in that: the width of described side reduces gradually from the bottom surface, thereby make described main cutting edge curved, described side is provided with a helicoid along the main cutting edge extension near the position of described main cutting edge, is formed with positive rake angle between described main cutting edge and the described rake face.
2. a kind of indexable square milling cutting insert according to claim 1 is characterized in that: described helicoid and intersection, described side are provided with the reinforcement that extends and swell along described main cutting edge.
3. a kind of indexable square milling cutting insert according to claim 2 is characterized in that: described side becomes an obtuse angle with the back knife face.
4. a kind of indexable square milling cutting insert according to claim 3, it is characterized in that: described bottom surface is provided with axial protuberance near the position of described side, described front cutting edge protrudes in the front cutting edge remainder at the section axial of described axial protuberance, described axial protuberance has an inclined-plane, this inclined-plane is basically perpendicular to described main cutting edge, described inclined-plane transits to described bottom surface by a helically twisted crack face, the inclination angle of this helically twisted crack face increases with the increase of cutting depth, and described inclined-plane passes through a rounding off surface blending to described side.
5. a kind of indexable square milling cutting insert according to claim 4 is characterized in that: described bottom surface and described back knife face form an obtuse angle, are formed with positive rake angle between described front cutting edge and the described rake face.
6. according to any described a kind of indexable square milling cutting insert of claim 1～5, it is characterized in that: described rake face center offers a locating hole, and described locating hole connects to described back knife face, and the axial line of locating hole is perpendicular to described back knife face.
7. a kind of indexable square milling cutting insert according to claim 6 is characterized in that: described rake face is provided with locating surface near the position of described locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202961934U CN201632699U (en) | 2009-12-31 | 2009-12-31 | Rotatable quadrate milling blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202961934U CN201632699U (en) | 2009-12-31 | 2009-12-31 | Rotatable quadrate milling blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201632699U true CN201632699U (en) | 2010-11-17 |
Family
ID=43077176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202961934U Expired - Fee Related CN201632699U (en) | 2009-12-31 | 2009-12-31 | Rotatable quadrate milling blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201632699U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658792A (en) * | 2013-12-13 | 2014-03-26 | 绵阳市绵工工具有限公司 | Mechanically-clamped and indexable helical vertical milling blade for finish machining |
| CN104349856A (en) * | 2012-06-14 | 2015-02-11 | 韩国冶金株式会社 | Cutting insert |
| CN107350530A (en) * | 2017-08-31 | 2017-11-17 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of indexable insert tip, throw away tip for big-feed milling |
| CN107812994A (en) * | 2017-12-11 | 2018-03-20 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of indexable insert tip, throw away tip for being used for side or face milling |
| CN109475951A (en) * | 2017-04-25 | 2019-03-15 | 住友电工硬质合金株式会社 | Cutting tool |
| CN113664267A (en) * | 2021-07-27 | 2021-11-19 | 厦门金鹭特种合金有限公司 | Indexable milling cutter |
-
2009
- 2009-12-31 CN CN2009202961934U patent/CN201632699U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349856A (en) * | 2012-06-14 | 2015-02-11 | 韩国冶金株式会社 | Cutting insert |
| CN104349856B (en) * | 2012-06-14 | 2016-05-18 | 韩国冶金株式会社 | Cutting tip |
| US9545672B2 (en) | 2012-06-14 | 2017-01-17 | Korloy Inc. | Cutting insert |
| CN103658792A (en) * | 2013-12-13 | 2014-03-26 | 绵阳市绵工工具有限公司 | Mechanically-clamped and indexable helical vertical milling blade for finish machining |
| CN109475951A (en) * | 2017-04-25 | 2019-03-15 | 住友电工硬质合金株式会社 | Cutting tool |
| CN107350530A (en) * | 2017-08-31 | 2017-11-17 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of indexable insert tip, throw away tip for big-feed milling |
| CN107350530B (en) * | 2017-08-31 | 2024-01-23 | 炎陵欧科亿数控精密刀具有限公司 | Indexable insert for large feed milling |
| CN107812994A (en) * | 2017-12-11 | 2018-03-20 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of indexable insert tip, throw away tip for being used for side or face milling |
| CN113664267A (en) * | 2021-07-27 | 2021-11-19 | 厦门金鹭特种合金有限公司 | Indexable milling cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20121231 |