CN210132103U - Indexable profiling milling blade and profiling cutter thereof - Google Patents
Indexable profiling milling blade and profiling cutter thereof Download PDFInfo
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- CN210132103U CN210132103U CN201920806009.XU CN201920806009U CN210132103U CN 210132103 U CN210132103 U CN 210132103U CN 201920806009 U CN201920806009 U CN 201920806009U CN 210132103 U CN210132103 U CN 210132103U
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Abstract
The utility model discloses an indexable profiling milling blade and a profiling cutter thereof, wherein the indexable profiling milling blade comprises a blade body with a quadrilateral outline; the blade body is provided with an upper surface, a lower surface and a side surface which are parallel to each other; the four sides of the side surface of the blade body corresponding to the quadrilateral blade body are respectively provided with arc shapes which are concave towards the center direction of the blade body, and a main cutting edge formed by the intersection of the upper surface of the blade body and the side surfaces of the four sides of the blade body is an arc line which is consistent with the outline required to be processed by a workpiece to be processed; four sides of the upper surface of the insert body are provided with a cutting edge zone and a front tool surface with a cutting front angle from the main cutting edge inwards in sequence, and the side surfaces of the four sides of the insert body are provided with a rear tool surface with a cutting rear angle. The utility model discloses the disposable processing of profile about can realizing, it is even to have the profile surplus, the efficient characteristics of saving time to but through the indexable design of cutter, the cost that can greatly reduced cutter.
Description
Technical Field
The utility model relates to a metal cutting tool technical field especially relates to an indexable profile modeling milling cutter piece and profile modeling cutter thereof.
Background
The mobile phone frame is an important part for connecting a front screen and a rear cover of a mobile phone and is also an important holding part when the mobile phone is used, the mobile phone frame is made of metal, the outline of the frame is usually an irregular circular arc, and raw materials are usually regular strip-shaped, so that a large allowance needs to be removed during processing. Because the chamfer milling cutter can only remove a part of allowance once, the frame allowance can be removed only by cutting for a plurality of times, the efficiency is very low, the distribution of the allowance left after machining is also very uneven and has an acute angle, the loss of a subsequent finish machining cutter is easily caused, and the service life of the subsequent finish machining cutter is greatly reduced. In addition, if the tool is made of a solid carbide material by grinding, the tool is expensive due to the large diameter of the tool, which results in an increase in the processing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a but transposition profile modeling milling cutter piece and contour cutter thereof, through institutional advancement, the disposable processing of profile about can realizing has that the profile surplus is even, the efficient characteristics of saving time to but through the transposition design of cutter, the cost that can greatly reduced cutter.
The utility model provides a technical scheme that its technical problem adopted is: an indexable contour milling insert comprising an insert body having a generally quadrilateral profile; the blade body is provided with an upper surface and a lower surface which are parallel to each other, and a side surface connected between the upper surface and the lower surface; in the side surfaces of the blade body, two sides corresponding to four corners of the quadrangular blade body are respectively provided with peripheral positioning surfaces, four sides corresponding to the quadrangular blade body are respectively provided with arc shapes sunken towards the center direction of the blade body, and a main cutting edge formed by the intersection of the upper surface of the blade body and the side surfaces of the four sides of the blade body is an arc line consistent with the outline required to be processed by a processed workpiece; the four sides of the upper surface of the insert body are provided with a cutting edge zone and a front tool surface with a cutting front angle from the main cutting edge inwards in sequence, the side surfaces of the four sides of the insert body are provided with a rear tool surface with a cutting rear angle, and the cutting edge zone, the cutting front angle and the cutting rear angle are changed along with the shape change of the corresponding position of the main cutting edge.
The included angle between the upper surface and the rear cutter face is less than or equal to 90 degrees.
The included angle between the upper surface and the peripheral positioning surface is less than or equal to 90 degrees.
The four corners of the upper surface of the blade body are respectively provided with a raised positioning small boss which is distributed on two sides of each main cutting edge.
The width of the cutting edge band is in a range of 0-1 mm, the cutting front angle is in a range of 0-60 degrees, and the cutting rear angle is in a range of 0-45 degrees.
And a through hole vertically penetrating through the upper surface and the lower surface is arranged between the upper surface and the lower surface of the blade body.
The upper surface is also provided with a concave part or a convex part which plays a role of identification.
The indexable copying cutter comprises a cutter bar and an indexable copying milling blade, wherein a plurality of chip grooves are formed in the periphery of the bottom of the cutter bar, blade mounting seats are arranged in the chip grooves, and the indexable copying milling blade is fixed in the blade mounting seats.
Compared with the prior art, the beneficial effects of the utility model are that:
in the side surface of the blade body, two sides corresponding to four corners of the quadrangular blade body are respectively arranged as peripheral positioning surfaces, four sides corresponding to the quadrangular blade body are respectively arranged as arc shapes sunken towards the central direction of the blade body, and a main cutting edge formed by the intersection of the upper surface of the blade body and the side surfaces of the four sides of the blade body is an arc line consistent with the outline required to be processed by a processed workpiece; the four sides of the upper surface of the insert body are provided with a cutting edge zone and a front tool surface with a cutting front angle from the main cutting edge inwards in sequence, the side surfaces of the four sides of the insert body are provided with a rear tool surface with a cutting rear angle, and the cutting edge zone, the cutting front angle and the cutting rear angle are changed along with the shape change of the corresponding position of the main cutting edge. The utility model discloses a disposable processing of profile about can realizing being processed the work piece has that the profile surplus is even, the efficient characteristics of saving time to but through the indexable design of cutter, the cost that can greatly reduced cutter.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the indexable contour milling insert and the contour cutter thereof according to the present invention are not limited to the embodiments.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of an indexable contour milling insert of the present invention;
fig. 2 is a top view of an embodiment of an indexable contour milling insert of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged schematic view taken along section M of FIG. 3;
fig. 5 is a cross-sectional view of an embodiment of the indexable contour milling insert of the present invention at three locations corresponding to the main cutting edges in a top view;
fig. 6 is a schematic perspective view of an embodiment of the indexable profiling tool of the present invention;
fig. 7 is a front view of an embodiment of the indexable profiling tool of the present invention.
In the figure, 1, an insert body, 2, a positioning small boss, 3, a main cutting edge, 4, a rake face, 5, a cutting edge band, 5B and B cutting edge band widths, 5C and C cutting edge band widths, 5D and D cutting edge band widths, 6, a flank face, 7a, a first periphery positioning face, 7B, a second periphery positioning face, 8, a through hole, 9, an upper surface, 10, a lower surface, α, a cutting rake angle, α 1 and B cutting rake angle, α 2 and C cutting rake angle, α 3 and D cutting rake angle, β and cutting relief angle, β 1 and B cutting relief angle, β 2 and C cutting relief angle, β 3 and D cutting relief angle, 11, a recess, 12 and a cutter bar.
Detailed Description
Examples
Referring to fig. 1 to 5, an indexable milling insert according to the present invention includes an insert body 1 having a substantially rectangular contour, the insert body 1 of the indexable milling insert of the present embodiment having a substantially rectangular contour, an upper surface 9 and a lower surface 10 parallel to each other and a side surface connected between the upper surface 9 and the lower surface 10, wherein a first peripheral positioning surface 7a and a second peripheral positioning surface 7b are respectively provided on both sides corresponding to four corners of the rectangular insert body, and arc-shaped recesses are respectively provided on four sides corresponding to the rectangular insert body in a central direction of the insert body, and a main cutting edge 3 formed by intersecting the upper surface 9 of the insert body and the side surfaces of the four sides of the insert body is an arc-shaped line corresponding to an outline to be machined by a workpiece, and four sides of the upper surface 9 of the insert body 1 are respectively provided with a cutting rake face 5 and a rake face 4 having a cutting rake angle α inwardly from the main cutting edge 3, and the side surfaces of the upper surface 9 of the insert body 1 are provided with a rear cutting face 6 having a cutting rake angle 56, and the rake angle 3 changing with a cutting face 3 and a cutting face 3683 corresponding to a cutting angle.
The utility model discloses an edge at upper surface 9 (can also include lower surface 10) sets up rake face 4, rake face 4 sets up cutting land 5 with the adjacent department of flank face 6, flank face 6 intersects with cutting land 5 and forms main cutting edge 3, near the crossing department of adjacent flank face 6 sets up periphery locating surface 7a, 7b, design main cutting edge 3's profile into with the required appearance profile of machined work piece unanimously, and be provided with cutting land 5, cutting rake α and cutting relief angle β that change along with the appearance change of profile.
In this embodiment, the included angle between the upper surface 9 and the flank surface 6 is not more than 90 °.
In this embodiment, the angle between the upper surface 9 and the peripheral positioning surfaces 7a, 7b is equal to 90 °.
The four corners of the upper surface 9 of the blade body 1 are respectively provided with a convex positioning small boss 2 which is distributed on two sides of each main cutting edge 3.
In the present embodiment, the shape of the main cutting edge 3 is designed according to the contour of the workpiece to be machined, the cutting land 5, the cutting rake angle α, and the cutting relief angle β vary with the contour of the main cutting edge 3, the width of the cutting land 5 varies from 0 to 1mm, the cutting rake angle α varies from 0 to 60 °, and the cutting relief angle β varies from 0 to 45 °.
In this embodiment, a through hole 8 vertically penetrating through the upper and lower surfaces is formed between the upper surface 9 and the lower surface 10 of the insert body 1.
In this embodiment, the upper surface 9 is further provided with a concave portion or a convex portion for identification, in this embodiment, a concave portion 11 is provided.
The main cutting edge 3 is a curve conforming to the contour of the workpiece to be machined, and incorporates a cutting land 5, a cutting rake angle α, and a cutting relief angle β which vary according to the position of the contour, as shown in fig. 5, at the position B of the indexable contour milling insert, the width of the cutting land 5, i.e., the land value, is 5B, the cutting rake angle is β, and the cutting relief angle is 6311, at the position C of the indexable contour milling insert, the width of the cutting land 5, i.e., the land value, is 5C, the cutting rake angle is α, and the cutting relief angle is β, at the position D of the indexable contour milling insert, the width of the cutting land 5, i.e., the land value, is 5D, the cutting rake angle is α, the cutting relief angle is β, the land values of the cutting land 5 at B, C, D (5B, 5C, 5D), and the cutting rake angles (α, α, α) and the cutting relief angles (3, β, β) are all designed according to the values of the contour of the different portions to be machined land values, and the contour values of the land 5B, 5C, 7375D.
The utility model discloses an indexable copying tool, including cutter arbor 12 and indexable copying milling blade 1, the periphery of the bottom of cutter arbor 12 is equipped with a plurality of chip groove, is equipped with the blade mount pad in the chip groove, indexable copying milling blade 1 is fixed in the blade mount pad.
The utility model discloses an indexable profiling milling cutter piece and contour cutter thereof, adopted in the side of blade body 1, establish respectively to periphery locating surface 7a, 7b at the both sides that correspond the four corners of quadrangle blade body 1, establish respectively to the arc shape sunken to the central direction of blade body at the four sides that correspond quadrangle blade body 1, and make the main cutting edge 3 that is formed by the side intersection of upper surface 9 of blade body 1 and the four sides of blade body be the arc line unanimous with the appearance profile that the work piece need be processed into, the four sides of upper surface 9 of blade body 1 are inwards equipped with cutting edge strip 5 and rake face 4 that has cutting rake angle α in proper order by main cutting edge 3, the side of the four sides of blade body 1 is established to the back knife face 6 that has cutting relief angle β, and cutting edge strip 5, cutting rake angle α and cutting relief angle β change along with the shape change of the corresponding position of main cutting edge 3.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. An indexable contour milling insert comprising an insert body having a generally quadrilateral profile; the blade body is provided with an upper surface and a lower surface which are parallel to each other, and a side surface connected between the upper surface and the lower surface; the method is characterized in that: in the side surfaces of the blade body, two sides corresponding to four corners of the quadrangular blade body are respectively provided with peripheral positioning surfaces, four sides corresponding to the quadrangular blade body are respectively provided with arc shapes sunken towards the center direction of the blade body, and a main cutting edge formed by the intersection of the upper surface of the blade body and the side surfaces of the four sides of the blade body is an arc line consistent with the outline required to be processed by a processed workpiece; the four sides of the upper surface of the insert body are provided with a cutting edge zone and a front tool surface with a cutting front angle from the main cutting edge inwards in sequence, the side surfaces of the four sides of the insert body are provided with a rear tool surface with a cutting rear angle, and the cutting edge zone, the cutting front angle and the cutting rear angle are changed along with the shape change of the corresponding position of the main cutting edge.
2. The indexable contour milling insert of claim 1, wherein: the included angle between the upper surface and the rear cutter face is less than or equal to 90 degrees.
3. The indexable contour milling insert of claim 1, wherein: the included angle between the upper surface and the peripheral positioning surface is less than or equal to 90 degrees.
4. The indexable contour milling insert of claim 1, wherein: the four corners of the upper surface of the blade body are respectively provided with a raised positioning small boss which is distributed on two sides of each main cutting edge.
5. The indexable contour milling insert of claim 1, wherein: the width of the cutting edge band is in a range of 0-1 mm, the cutting front angle is in a range of 0-60 degrees, and the cutting rear angle is in a range of 0-45 degrees.
6. The indexable contour milling insert of claim 1, wherein: and a through hole vertically penetrating through the upper surface and the lower surface is arranged between the upper surface and the lower surface of the blade body.
7. The indexable contour milling insert of claim 1, wherein: the upper surface is also provided with a concave part or a convex part which plays a role of identification.
8. An indexable profiling tool comprising a tool holder and an indexable profiling milling insert as claimed in any one of claims 1 to 7, the periphery of the bottom of the tool holder being provided with a plurality of flutes in which insert seats are provided, the indexable profiling milling insert being fixed in the insert seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806009.XU CN210132103U (en) | 2019-05-30 | 2019-05-30 | Indexable profiling milling blade and profiling cutter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806009.XU CN210132103U (en) | 2019-05-30 | 2019-05-30 | Indexable profiling milling blade and profiling cutter thereof |
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| Publication Number | Publication Date |
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| CN210132103U true CN210132103U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920806009.XU Active CN210132103U (en) | 2019-05-30 | 2019-05-30 | Indexable profiling milling blade and profiling cutter thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774585A (en) * | 2020-07-29 | 2020-10-16 | 贵州航天精工制造有限公司 | Manufacturing method and cutter for tubular hemming part |
| CN113399728A (en) * | 2020-08-31 | 2021-09-17 | 厦门金鹭特种合金有限公司 | Replaceable blade type Christmas tree contour milling cutter |
| CN113953547A (en) * | 2021-10-21 | 2022-01-21 | 厦门金鹭特种合金有限公司 | Indexable copying turning blade for machining thrust wheel |
| CN113996824A (en) * | 2021-12-08 | 2022-02-01 | 株洲钻石切削刀具股份有限公司 | Multi-edge turning blade |
| CN113996826A (en) * | 2021-12-07 | 2022-02-01 | 国宏工具系统（无锡）股份有限公司 | Contour forming blade for processing stainless steel products |
-
2019
- 2019-05-30 CN CN201920806009.XU patent/CN210132103U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774585A (en) * | 2020-07-29 | 2020-10-16 | 贵州航天精工制造有限公司 | Manufacturing method and cutter for tubular hemming part |
| CN113399728A (en) * | 2020-08-31 | 2021-09-17 | 厦门金鹭特种合金有限公司 | Replaceable blade type Christmas tree contour milling cutter |
| CN113953547A (en) * | 2021-10-21 | 2022-01-21 | 厦门金鹭特种合金有限公司 | Indexable copying turning blade for machining thrust wheel |
| CN113996826A (en) * | 2021-12-07 | 2022-02-01 | 国宏工具系统（无锡）股份有限公司 | Contour forming blade for processing stainless steel products |
| CN113996826B (en) * | 2021-12-07 | 2024-09-13 | 国宏工具系统（无锡）股份有限公司 | Contour forming blade for processing stainless steel products |
| CN113996824A (en) * | 2021-12-08 | 2022-02-01 | 株洲钻石切削刀具股份有限公司 | Multi-edge turning blade |
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