CN204159905U - The indexable V-knife sheet of lathe tool - Google Patents
The indexable V-knife sheet of lathe tool Download PDFInfo
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- CN204159905U CN204159905U CN201420373678.XU CN201420373678U CN204159905U CN 204159905 U CN204159905 U CN 204159905U CN 201420373678 U CN201420373678 U CN 201420373678U CN 204159905 U CN204159905 U CN 204159905U
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- cutting edge
- groove
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- inclined plane
- face
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Abstract
The utility model discloses and be a kind ofly beneficial to the indexable V-knife sheet of the lathe tool carrying out retrofit, comprise with the centrosymmetric cutting edge of blade body, the relief angle of described cutting edge is 20 to 55 degree; The two sides of formation cutting edge are symmetrically set the first groove making this cutting edge most advanced and sophisticated in elongate shape, described first groove is made up of the inclined plane part forming keen edge and the arc sections that connects this inclined plane part and blade body side, angle between two symmetrical inclined faces is 8 to 15 degree, and the radius of described arc sections is 1.5 to 3.5 millimeters; The end face of cutting edge is provided with transversely vertical cut blade tip extreme direction and runs through cutting edge end face and make cutting edge tip upwarp the second groove of 10 to 35 degree, second groove is made up of the inclined plane part forming cutting edge end face and the arc sections that connects this inclined plane part and blade body end face, and the radius of described arc sections is 1.5 to 3.5 millimeters and the degree of depth is 0.3 to 1.2 millimeter.
Description
Technical field
The utility model relates to the indexable V-knife sheet of a kind of lathe tool, particularly relates to the cutting blade structure of the indexable V-knife sheet of lathe tool.
Background technology
Indexable insert tip, throw away tip is a kind of pre-processed and with the polygonal insert of at least two cutting edges, be clamped on cutter hub by the method that machinery is clamping during use, when after a cutting edge blunt, blade being unclamped from cutter hub and carrying out transposition in working angles, thus make new cutting edge enter operating position, finally clamping can continuation uses again again.According to the difference of machining mode, indexable insert tip, throw away tip can be divided into lathe tool indexable insert tip, throw away tip and milling cutter indexable insert tip, throw away tip etc.Lathe tool indexable insert tip, throw away tip has polytype again, uses more one when wherein lathe tool indexable V-knife sheet is and carries out retrofit (as Finishing Parts Machining, small part processing or the processing of part smalls position).But, still there is the not smooth problem of deficiency of stepping down, chip removal in the structure of current lathe tool indexable V-knife sheet cutting edge portion, during retrofit, easily cause between cutting edge and workpiece interfering.
Utility model content
Technical problem to be solved in the utility model is to provide the indexable V-knife sheet of the lathe tool being more conducive to carry out retrofit.
The indexable V-knife sheet of a kind of lathe tool of the present utility model, comprises with the centrosymmetric cutting edge of blade body, and the relief angle of described cutting edge is 20 to 55 degree; The side forming cutting edge is provided with the first groove making this cutting edge most advanced and sophisticated in elongate shape, described first groove is made up of the inclined plane part forming keen edge between the another side relative with side cutting edge being arranged described first groove and the arc sections that connects this inclined plane part and blade body side, the angle formed between the another side that described inclined plane part is relative with side cutting edge being arranged described first groove is 15 to 25 to spend, and the radius of described arc sections is 0.8 to 2.5 millimeter; The end face of the cutting edge top edge line be provided with along another side relative with the side arranging the first groove on described cutting edge extends to the second groove in the middle part of close to blade body from outside to inside, and the cross section of described second groove is width 0.8 to 2 millimeter and the circular arc of the degree of depth 0.08 to 0.25 millimeter.
In the indexable V-knife sheet of above-mentioned lathe tool, the relief angle of described cutting edge also can more preferably 30 to 45 degree; Be more preferably 35 to 40 degree.
The indexable V-knife sheet of another kind of lathe tool of the present utility model, comprises with the centrosymmetric cutting edge of blade body, and the relief angle of described cutting edge is 20 to 55 degree; The two sides of formation cutting edge are symmetrically set the first groove making this cutting edge most advanced and sophisticated in elongate shape, described first groove is made up of the inclined plane part forming keen edge and the arc sections that connects this inclined plane part and blade body side, angle between two symmetrical inclined faces is 8 to 15 degree, and the radius of described arc sections is 1.5 to 3.5 millimeters; The end face of cutting edge is provided with transversely vertical cut blade tip extreme direction and runs through cutting edge end face and make cutting edge tip upwarp the second groove of 10 to 35 degree, second groove is made up of the inclined plane part forming cutting edge end face and the arc sections that connects this inclined plane part and blade body end face, and the radius of described arc sections is 1.5 to 3.5 millimeters and the degree of depth is 0.3 to 1.2 millimeter.
In the indexable V-knife sheet of above-mentioned the second lathe tool, the relief angle of described cutting edge also can more preferably 35 to 50 degree; Be more preferably 40 to 45 degree.
The tip place of above-mentioned two kinds of lathe tool indexable V-knife sheet cutting edges is thinner, and cutting edge position leaves enough bit spaces that allows, and can avoid adding man-hour and workpiece interferes; The design of the first groove and the second groove, make cutting edge become sharp while, both ensure that the intensity of cutting edge, be conducive to chip removal again.
Accompanying drawing explanation
Fig. 1 is the structural representation of the indexable V-type blade embodiments 1 of the utility model lathe tool.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the structural representation of the indexable V-type blade embodiments 2 of the utility model lathe tool.
Fig. 4 is the upward view of Fig. 3.
Detailed description of the invention
Embodiment 1
The indexable V-knife sheet of lathe tool as shown in Figure 1, 2, comprises with the centrosymmetric cutting edge 110 of blade body 100, and the relief angle of described cutting edge 110 is 37 degree (the angle b namely in Fig. 2); The side forming cutting edge 110 is provided with the first groove 120 making this cutting edge 110 most advanced and sophisticated in elongate shape, described first groove 120 is by forming the inclined plane part 121 of keen edge between the another side relative with side cutting edge 110 being arranged described first groove 120 and connecting this inclined plane part 121 and form with the arc sections 122 of blade body 100 side, the angle a formed between the another side that described inclined plane part 121 is relative with side cutting edge 110 being arranged described first groove 120 is 18 degree, and the radius of described arc sections 122 is 1.7 millimeters; The end face of the cutting edge 110 top edge line be provided with along another side relative with the side arranging the first groove 120 on described cutting edge 110 extends to the second groove 130 in the middle part of close to blade body 100 from outside to inside, and the cross section of described second groove 130 is width 1 millimeter (width W namely in Fig. 1) and the circular arc of the degree of depth 0.13 millimeter (degree of depth d namely in Fig. 2).
In embodiment 1, first groove 120 design feature is that V-knife sheet point of a knife is cut away a part (cutting away half haply), such design can reduce cutting force, and described arc sections 122 can make that the first groove 120 is stressed slowly to be increased, and point of a knife has certain intensity; Second groove 130 design feature the iron filings of machining is prolonged in its groove derive and fracture smoothly, and the advantage designed like this is: the first, can not scratch workpiece, ensure that the fineness of workpiece is very high, the second, iron filings are easily fractureed, is unlikely to stir Cheng Yituan and blade is broken; The setting of degree of depth d value can increase certain intensity to point of a knife, makes point of a knife in working angles, have certain dynamics; The setting advantage of angle b value has two: the first is in order to reduce radial load, prevent from when cutting slender axles, workpiece being interrupted, it two is that rear knife face and workpiece machined surface leave enough spaces, can not produce friction, can ensure the fineness of workpiece machined surface.The blade of embodiment 1 is applicable to the microstoning of machined steel and the thin speciality part of stainless spy.
Embodiment 2
The indexable V-knife sheet of lathe tool as shown in Figure 3,4, comprises with the centrosymmetric cutting edge 110 of blade body 100, and the relief angle of described cutting edge 110 is 41 degree (the angle b namely in Fig. 4); The two sides of formation cutting edge 110 are symmetrically set the first groove 120 making this cutting edge 110 most advanced and sophisticated in elongate shape, described first groove 120 is by forming the inclined plane part 121 of keen edge and connecting this inclined plane part 121 and form with the arc sections 122 of blade body 100 side, angle a between two symmetrical inclined faces 121 is 10 degree, and the radius of described arc sections 122 is 2.2 millimeters; The end face of cutting edge 110 is provided with transversely vertical cut sword 110 tip direction and runs through cutting edge 110 end face and make cutting edge 110 tip upwarp second groove 130 of 25 degree (the angle c namely in Fig. 4), second groove 130 is that the radius of described arc sections 132 is 2 millimeters and the degree of depth is 0.44 millimeter (degree of depth d namely in Fig. 4) by forming the inclined plane part 131 of cutting edge end face and connecting this inclined plane part 131 and form with the arc sections 132 of blade body 100 end face.
In embodiment 2, first groove 130 design feature cuts away a part by symmetrical for V-knife sheet point of a knife, and design can reduce cutting force like this, can ensure the sharpness of point of a knife simultaneously, described arc sections 122 can make that the first groove 130 is stressed slowly to be increased, and point of a knife has certain intensity; Second groove 132 design feature the iron filings of machining is prolonged in its groove derive and fracture smoothly, and the advantage designed like this is: the first, can not scratch workpiece, ensure that the fineness of workpiece is very high, the second, make iron filings be easy to fracture, be unlikely to stir Cheng Yituan and blade is broken; The setting advantage one of angle b value is to reduce radial load, prevents from when cutting slender axles, workpiece being interrupted, and two is that rear knife face and workpiece machined surface leave enough spaces, can not produce friction, can ensure the fineness of workpiece machined surface.The blade of embodiment 2 is applicable to the microstoning of machined steel and stainless slender piece part.Compared with embodiment 1, the point of a knife of embodiment 2 is sharper, by the second groove 132, iron filings is more easily fractureed during chip.
Claims (3)
1. the indexable V-knife sheet of lathe tool, comprises with blade body (100) centrosymmetric cutting edge (110), it is characterized in that: the relief angle of described cutting edge (110) is 20 to 55 degree; The two sides of formation cutting edge (110) are symmetrically set the first groove (120) making this cutting edge (110) most advanced and sophisticated in elongate shape, described first groove (120) is made up of the inclined plane part forming keen edge (121) and the arc sections (122) that connects this inclined plane part (121) and blade body (100) side, angle (a) between two symmetrical inclined faces (121) is 8 to 15 degree, and the radius of described arc sections (122) is 1.5 to 3.5 millimeters; The end face of cutting edge (110) is provided with transversely vertical cut sword (110) tip direction and runs through cutting edge (110) end face and make cutting edge (110) tip upwarp second groove (130) of 10 to 35 degree, second groove (130) is made up of the inclined plane part forming cutting edge end face (131) and the arc sections (132) that connects this inclined plane part (131) and blade body (100) end face, and the radius of described arc sections (132) is 1.5 to 3.5 millimeters and the degree of depth is 0.3 to 1.2 millimeter.
2. the indexable V-knife sheet of lathe tool as claimed in claim 1, is characterized in that: the relief angle of described cutting edge (110) is 35 to 50 degree.
3. the indexable V-knife sheet of lathe tool as claimed in claim 2, is characterized in that: the relief angle of described cutting edge (110) is 40 to 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373678.XU CN204159905U (en) | 2014-07-08 | 2014-07-08 | The indexable V-knife sheet of lathe tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373678.XU CN204159905U (en) | 2014-07-08 | 2014-07-08 | The indexable V-knife sheet of lathe tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204159905U true CN204159905U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420373678.XU Expired - Fee Related CN204159905U (en) | 2014-07-08 | 2014-07-08 | The indexable V-knife sheet of lathe tool |
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| Country | Link |
|---|---|
| CN (1) | CN204159905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434362A (en) * | 2019-09-12 | 2019-11-12 | 哈尔滨理工大学 | A kind of dedicated processing turning cutting tool of raceway |
-
2014
- 2014-07-08 CN CN201420373678.XU patent/CN204159905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434362A (en) * | 2019-09-12 | 2019-11-12 | 哈尔滨理工大学 | A kind of dedicated processing turning cutting tool of raceway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20210708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |