CN211135565U - Indexable turning insert with integrated rough machining and finish machining - Google Patents
Indexable turning insert with integrated rough machining and finish machining Download PDFInfo
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- CN211135565U CN211135565U CN201921696021.6U CN201921696021U CN211135565U CN 211135565 U CN211135565 U CN 211135565U CN 201921696021 U CN201921696021 U CN 201921696021U CN 211135565 U CN211135565 U CN 211135565U
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- 238000005520 cutting process Methods 0.000 claims abstract description 83
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- 230000008569 process Effects 0.000 abstract description 2
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Abstract
The utility model relates to a turning tool technical field discloses an indexable turning blade of integrative design of rough machining, the blade includes the upper surface, lower surface and a plurality of apex angle, apex angle department is equipped with the circular arc cutting edge, circular arc cutting edge both ends are connected with rough cutting edge and finish turning sword respectively, rough turning chip groove has between rough cutting edge and the blade upper surface, finish turning chip groove has between finish turning sword and the blade upper surface, be equipped with the chip breaker between rough turning chip groove and the finish turning chip groove, the chip breaker is located between circular arc cutting edge and the upper surface, rough cutting edge and finish cutting sword coexistence and rough cutting sword and finish cutting sword meet through a transition surface between the adjacent apex angle. This application creatively integrates rough machining and finish machining's cutting edge on a blade, adopts a sword to accomplish all turning processes during processing part, need not the tool changing in the course of working, and convenient to use can effectively promote machining efficiency, need not to make rough turning cutter and finish turning cutter alone in addition, and the cutter cost is showing and is reducing.
Description
Technical Field
The utility model relates to a turning tool field specifically relates to an indexable turning blade of integrative design of rough machining and finish machining.
Background
Turning is generally divided into two procedures of rough turning and finish turning, wherein the main purpose of the rough turning is to rapidly remove redundant metal from a blank so as to improve the production efficiency, and therefore, the rough turning is generally processed by adopting larger cutting depth and feeding amount; the main purpose of finish turning is to ensure the required machining precision and surface quality of the parts, therefore, finish turning generally adopts smaller cutting depth and feed amount and higher cutting speed for machining.
The blade that is used for turning in the existing market all is single rough machining blade or single finish machining blade usually, but the part generally needs first rough machining to carry out the finish machining and just can satisfy customer's quality demand again the tool changing, consequently, accomplishes the processing of a part and often needs processing and tool changing operation twice or more than twice, and the course of working is more loaded down with trivial details relatively, and the manufacturing procedure is more, and production efficiency is also relatively low.
Patent publication No. CN104043847A discloses a metal cutting rough and fine blade, which has both rough cutting edge and fine cutting edge, and the fine cutting edge has many small knife grooves, which have both cutting and chip-dividing functions, when cutting, the rough cutting edge firstly cuts off a lot of rough cutting allowance, and the rest fine cutting allowance is sequentially eaten by many small blades arranged in two rows one behind the other on the fine cutting edge, although this blade can complete the rough and fine processing task at one time, the rough cutting edge and the fine cutting edge are on different edges, the number of fine cutting edges is limited and the loss is large, and the tool still needs to be frequently changed.
Disclosure of Invention
The utility model provides a technical problem lie in overcoming prior art's defect, provide the indexable turning blade that need not to carry out the integrative design of rough finish machining of tool changing operation in the machining process.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an indexable turning blade of integrative design of rough machining, the blade includes the upper surface, lower surface and a plurality of apex angle, apex angle department is equipped with the circular arc cutting edge, circular arc cutting edge both ends are connected with rough cutting edge and finish cutting edge respectively, rough turning chip groove has between rough cutting edge and the blade upper surface, finish turning chip groove has between finish cutting edge and the blade upper surface, be equipped with the chip breaker between rough turning chip groove and the finish turning chip groove, the chip breaker is located between circular arc cutting edge and the upper surface, rough cutting edge and finish cutting edge coexistence and rough cutting edge and finish cutting edge meet through a transition surface between the adjacent apex angle.
Furthermore, the rough turning chip groove comprises a rough turning first front tool face, a rough turning second front tool face, a rough turning chip groove bottom face and a first connecting inclined face which are connected in sequence, the rough turning first front tool face is connected with the rough cutting edge, and the first connecting inclined face is connected with the upper surface of the blade.
Further, the angle α formed by the rough-turned first rake face and the upper surface is 3 ° to 15 °, and the angle β formed by the rough-turned second rake face and the upper surface is 15 ° to 25 °.
Still further, the rough-turned first rake face edge width L1 is 0.2mm to 0.6 mm.
Furthermore, the finish turning chip pocket comprises a finish turning first front tool face, a finish turning second front tool face, a finish turning chip pocket bottom face and a second connecting inclined face which are sequentially connected, the finish turning first front tool face is connected with the finish cutting edge, and the second connecting inclined face is connected with the upper surface of the blade.
Furthermore, the angle gamma formed by the finish turning first rake face and the upper surface is 5-18 degrees, the angle theta formed by the finish turning second rake face and the upper surface is 10-30 degrees, gamma is greater than α, and theta is greater than β.
Still further, the finish turning first rake face edge width L2 is 0.2mm to 0.5mm, and L2 < L1.
Further, the chip breaker groove comprises a first arc cutting edge rake face, a second arc cutting edge rake face, a first arc-shaped convex part and a third connecting inclined face which are sequentially distributed from the arc cutting edges to the upper surface of the blade along the vertex angle bisector.
Furthermore, the chip breaker groove also comprises a second arc-shaped convex part and a third arc-shaped convex part which are symmetrically arranged at two sides of the vertex angle bisector.
Still further, the arc radius R1 of the first arc-shaped bulge, the second arc-shaped bulge and the third arc-shaped bulge is 1-5 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the rough machining and the finish machining cutting edges are creatively integrated on one blade, all turning procedures can be completed by one blade when parts are machined, the blade is not required to be changed in the machining process, the use is convenient, the machining efficiency can be effectively improved, in addition, the rough turning tool and the finish turning tool are not required to be manufactured independently, and the cost of the tool is also obviously reduced;
2) the design that the rough machining groove type and the fine machining groove type are integrated at two ends of the vertex angle ensures not only enough strength of the blade edge during rough machining, but also sharpness of the blade edge during fine machining, and certain guarantee is provided for the service life and the machining effect of the cutter;
3) the first arc-shaped bulge, the second arc-shaped bulge and the third arc-shaped bulge on the chip breaker groove can enable the blade to realize good curling and breaking operations on chips during rough machining and fine machining, and fully ensure the surface finish of a machined part.
Drawings
Fig. 1 is a perspective view of an indexable turning insert of an integral rough finish design of example 1;
FIG. 2 is a front view of an indexable turning insert of a rough finish integral design described in example 1;
FIG. 3 is an enlarged view of a portion of an indexable turning insert of the rough-finish integral design described in example 1 at a radiused cutting edge;
FIG. 4 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 5 is a sectional view taken along line G-G of FIG. 2;
fig. 6 is a cross-sectional view of J-J in fig. 2.
Detailed Description
The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
Provides an indexable turning insert with rough and finish machining integrated design, the insert is a WN type insert with a sharp corner of 80 degrees in a convex triangle shape, as shown in fig. 1 to 3, the insert includes a positioning center hole 1, an upper surface 21, a lower surface 22, three side surfaces 3, three vertex angles a, and arc surfaces 4 connecting the side surfaces, each vertex angle a is provided with a cutting unit, the cutting unit includes an arc cutting edge 51 arranged at the intersection of a vertex angle and an arc surface, a rough cutting edge 52 and a finish cutting edge 53 connected to both ends of the arc cutting edge, respectively, a rough turning chip pocket 54 is provided between the rough cutting edge 52 and the insert upper surface 21, a finish turning chip pocket 55 is provided between the finish cutting edge 53 and the insert upper surface 21, a chip breaker 56 is provided between the rough turning chip pocket 54 and the finish turning chip pocket 55, the chip breaker 56 is located between the arc cutting edge 51 and the upper surface 21, the rough cutting edge and the finish cutting edge coexist between adjacent vertex angles, and the rough cutting edge 52 and the finish cutting edge 53 are connected through a transition surface 6.
The blade of this embodiment is integrated rough machining and the cutting edge of finish machining, adopts a sword to accomplish rough turning and finish turning process during the processing part, abandons the operation that traditional lathe work needs the tool changing, and is convenient to use, can show promotion machining efficiency.
Specifically, as shown in fig. 1, the rough-turned chip pocket 54 includes a rough-turned first rake face 541, a rough-turned second rake face 542, a rough-turned chip pocket bottom surface 543, and a first connecting slope 544, which are connected in this order, the rough-turned first rake face 541 is connected to the rough cutting edge 52, and the first connecting slope 544 is connected to the insert upper surface 21, as shown in fig. 4, the angle α formed by the rough-turned first rake face 541 and the upper surface 21 is 3 ° to 15 °, and the angle β formed by the rough-turned second rake face 542 and the upper surface 21 is 15 ° to 25 °.
Preferably, the angle α is 5 ° to 12 °, in this example α is 10 °, the angle β is 15 ° to 20 °, in this example β is 18 °.
The rough turning width L1 of the first rake face 541 is 0.2mm to 0.6mm, preferably 0.25mm to 0.5mm, and in this embodiment, L1 is specifically 0.4 mm.
The finish turning chip pocket 55 comprises a finish turning first rake face 551, a finish turning second rake face 552, a finish turning chip pocket bottom surface 553 and a second connecting inclined face 554 which are connected in sequence, the finish turning first rake face 551 is connected with the finish cutting edge 53, the second connecting inclined face 554 is connected with the upper blade surface 21, as shown in fig. 5, the angle gamma formed by the finish turning first rake face 551 and the upper surface 21 is 5-18 degrees, the angle theta formed by the finish turning second rake face 552 and the upper surface 21 is 10-30 degrees, and gamma is greater than α, theta is greater than β.
Preferably, the angle γ is 7 ° to 15 °, in this embodiment 15 °, the angle θ is 15 ° to 25 °, and in this embodiment θ is 22 °.
The edge width L2 of the first finely-turned rake face 551 is 0.2mm to 0.5mm, preferably L2 mm to 0.2mm to 0.4mm, and L2 should satisfy L2 < L1, in this embodiment L2 is 0.35 mm.
As shown in fig. 3, the chip breaker groove 56 includes an arc cutting edge first rake face 561, an arc cutting edge second rake face 562, a first arc-shaped protrusion 563, and a third connection slope 564, which are sequentially arranged from the arc cutting edge to the insert upper surface along the vertex angle bisector P direction, and the first arc-shaped protrusion 563 is located on the vertex angle bisector P. The first front cutter face of the arc cutting edge is formed by the sequential connection of the first finish turning front cutter face to the first rough turning front cutter face, and the second front cutter face of the arc cutting edge is formed by the sequential connection of the second finish turning front cutter face to the second rough turning front cutter face.
The first arc-shaped bulge can enable the blade to have good curling and breaking effects on chips during machining, in order to further ensure timely separation of the chips and parts and fully ensure the surface smoothness of the machined parts, the chip breaker groove 56 is further symmetrically provided with a second arc-shaped bulge 565 and a third arc-shaped bulge 566 on two sides of an angle bisector of a vertex angle, wherein the second arc-shaped bulge mainly acts on rough machining chips, the third arc-shaped bulge mainly acts on finish machining chips, the radiation areas of the second arc-shaped bulge and the third arc-shaped bulge can be the same or different, and only the arc radiuses of the bulges are equal.
Specifically, as shown in fig. 6, the first, second and third arcuate lobes have an arcuate radius R1 of 1mm to 5mm, typically, R1 is taken to be 2mm to 4mm, and in this embodiment R1 is 3 mm.
The turning blade of the embodiment elaborately designs the parameters, so that the cutting edge has enough strength during rough machining and sharpness during finish machining, the abrasive resistance and the service life of the blade are effectively ensured, and the machining efficiency is also improved; in addition, the reasonable design of the chip breaker provides reliable guarantee for effective curling and chip breaking of chips, and the surface finish degree and the dimensional accuracy of the machined part are fully guaranteed while efficient turning is carried out.
It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An indexable turning insert with rough and finish machining integrated design, which comprises an upper surface (21), a lower surface (22) and a plurality of vertex angles (A), wherein arc cutting edges (51) are arranged at the vertex angles, the novel cutting tool is characterized in that two ends of an arc cutting edge (51) are respectively connected with a rough cutting edge (52) and a finish cutting edge (53), a rough turning chip groove (54) is formed between the rough cutting edge (52) and the upper surface (21) of the blade, a finish turning chip groove (55) is formed between the finish cutting edge (53) and the upper surface (21) of the blade, a chip breaker groove (56) is formed between the rough turning chip groove (54) and the finish turning chip groove (55), the chip breaker groove (56) is located between the arc cutting edge (51) and the upper surface (21), the rough cutting edge (52) and the finish cutting edge (53) coexist between adjacent vertex angles (A), and the rough cutting edge and the finish cutting edge are connected through a transition surface (6).
2. Indexable turning insert of a rough-finish integral design according to claim 1, characterized in that the rough-turned chip pocket (54) comprises a rough-turned first rake face (541), a rough-turned second rake face (542), a rough-turned chip pocket bottom face (543) and a first connecting chamfer (544) which are connected in sequence, the rough-turned first rake face (541) being connected with the rough cutting edge (52) and the first connecting chamfer (544) being connected with the insert upper surface (21).
3. Indexable turning insert of one-piece design for rough finishing according to claim 2, characterized in that the angle α formed by the rough-turned first rake face (541) and the upper surface (21) is 3-15 °, and the angle β formed by the rough-turned second rake face (542) and the upper surface (21) is 15-25 °.
4. The indexable turning insert of claim 3 wherein the rough-finish first rake face (541) edge width L1 is 0.2mm to 0.6 mm.
5. Indexable turning insert of rough-finish integral design according to claim 1, characterized in that the finish chip flute (55) comprises a finish-turned first rake face (551), a finish-turned second rake face (552), a finish-turned chip flute bottom face (553) and a second connecting chamfer (554) which meet in sequence, the finish-turned first rake face (551) meeting the finish cutting edge (53), the second connecting chamfer (554) meeting the insert upper face (21).
6. The indexable turning insert of a rough-finish integral design according to claim 5, wherein the finish-turned first rake surface (551) forms an angle γ of 5 ° to 18 ° with the upper surface (21), the finish-turned second rake surface (552) forms an angle θ of 10 ° to 30 ° with the upper surface (21), and γ > α, θ > β.
7. The indexable turning insert of rough and finish integral design according to claim 6 wherein the finish turned first rake surface (551) edge width L2 is 0.2mm to 0.5mm and L2 < L1.
8. The indexable turning insert of the rough and finish integral design according to any one of claims 1 to 7, wherein the chip breaker groove (56) comprises a first rake face (561) of the arc cutting edge, a second rake face (562) of the arc cutting edge, a first arc-shaped bulge (563) and a third connecting inclined face (564) which are sequentially arranged from the arc cutting edge to the upper surface of the insert along the vertex angle bisector (P).
9. The roughing-finishing integrally designed indexable turning insert of claim 8 wherein the chip breaker further comprises a second arcuate projection (565) and a third arcuate projection (566) symmetrically disposed on either side of the vertex angle bisector.
10. The roughing-finishing integrally designed indexable turning insert of claim 9 wherein the first arcuate projection (563), the second arcuate projection (565) and the third arcuate projection (566) have an arcuate radius R1 of 1mm to 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696021.6U CN211135565U (en) | 2019-10-11 | 2019-10-11 | Indexable turning insert with integrated rough machining and finish machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696021.6U CN211135565U (en) | 2019-10-11 | 2019-10-11 | Indexable turning insert with integrated rough machining and finish machining |
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| CN211135565U true CN211135565U (en) | 2020-07-31 |
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| CN201921696021.6U Active CN211135565U (en) | 2019-10-11 | 2019-10-11 | Indexable turning insert with integrated rough machining and finish machining |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203554A (en) * | 2019-10-11 | 2020-05-29 | 株洲欧科亿数控精密刀具股份有限公司 | Indexable turning insert with integrated rough machining and finish machining |
| CN113399713A (en) * | 2021-05-19 | 2021-09-17 | 赣州澳克泰工具技术有限公司 | Blade for hole machining |
| CN114871482A (en) * | 2022-04-22 | 2022-08-09 | 厦门金鹭特种合金有限公司 | Combined type plane milling cutter |
| CN114951725A (en) * | 2022-05-16 | 2022-08-30 | 株洲肯特硬质合金股份有限公司 | Indexable turning blade |
-
2019
- 2019-10-11 CN CN201921696021.6U patent/CN211135565U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203554A (en) * | 2019-10-11 | 2020-05-29 | 株洲欧科亿数控精密刀具股份有限公司 | Indexable turning insert with integrated rough machining and finish machining |
| CN111203554B (en) * | 2019-10-11 | 2025-02-11 | 株洲欧科亿数控精密刀具股份有限公司 | Indexable turning inserts with integrated roughing and finishing design |
| CN113399713A (en) * | 2021-05-19 | 2021-09-17 | 赣州澳克泰工具技术有限公司 | Blade for hole machining |
| CN114871482A (en) * | 2022-04-22 | 2022-08-09 | 厦门金鹭特种合金有限公司 | Combined type plane milling cutter |
| CN114871482B (en) * | 2022-04-22 | 2024-04-26 | 厦门金鹭特种合金有限公司 | Combined type plane milling cutter |
| CN114951725A (en) * | 2022-05-16 | 2022-08-30 | 株洲肯特硬质合金股份有限公司 | Indexable turning blade |
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