CN109365887A - A kind of milling cutting insert - Google Patents
A kind of milling cutting insert Download PDFInfo
- Publication number
- CN109365887A CN109365887A CN201811420276.XA CN201811420276A CN109365887A CN 109365887 A CN109365887 A CN 109365887A CN 201811420276 A CN201811420276 A CN 201811420276A CN 109365887 A CN109365887 A CN 109365887A
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- CN
- China
- Prior art keywords
- sword
- cutting edge
- inverted
- shaped
- cutting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/08—Rake or top surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/12—Side or flank surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/28—Angles
- B23C2200/286—Positive cutting angles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a kind of milling cutting inserts, blade body including being in polygon, each side forms cutting edge on the rake face of blade body, two neighboring cutting edge is connected by Circular Nose Cutting Edge, cutting edge is equipped with the wiper edges being sequentially connected, inverted V-shaped sword, transitional straight cutting edge between two Circular Nose Cutting Edges, and wiper edges are horizontally disposed, and wiper edges are connect with the upward slope sword of inverted V-shaped sword, transitional straight cutting edge is connect with the descending sword of inverted V-shaped sword, and the vertex of inverted V-shaped sword is highest point on rake face.The cutting force of the vertex two sides P of inverted V-shaped sword of the present invention is contrary, can largely cancel out each other, effectively reduce cutting resistance, to cut brisk, reduces vibration.
Description
Technical field
The present invention relates to metal cutting tool more particularly to a kind of milling cutting inserts.
Background technique
It is currently used for the big-feed milling blade of metal cutting process, it is usually single to keep cutting force smaller or make
Blade is anti-collapse it is scarce, seldom by the curling of chip, fracture, cutting force and it is anti-collapse scarce performance synthesis and consider together, in cutting, cut
Bits curling is bad with the performance that fractures, and cutting force is caused to increase, and cutting temperature remains high, aggravate the abrasion of blade with collapse it is scarce, sternly
Ghost image rings service life and the cutting effect of blade.
Chinese patent literature CN102317018A discloses a kind of cutting tip replacement type rotary tool, its main feature is that maintaining shape
At the main cutting edge in cutting insert anti-collapsing property while reduce cutting resistance, by be similar to R shape cutting edge and by
Gradual change wide chamfered cutting edge is realized.
Chinese patent literature CN106029272A discloses one kind can reach what high feeding processing was processed with refine simultaneously
Cutting tip；The cutting edge of the blade is made of main cutting edge, turning sword and curvilinear wiper edges, main cutting edge and wiper edges
At 155 °≤θ≤180 °, there is positive ligament in wiper edges.
The two above-mentioned patents, which all will not reduce cutting force, the anti-curling for collapsing scarce performance and chip and fracture, to be contacted one
Rise, and in actual use, often cutting force, the anti-curling for collapsing scarce performance and chip and fracture be it is interactional, therefore,
It invents and provides one kind in big-feed milling processing, volume bits, chip-breaking performance and increase can be increased while reducing cutting force and resisted
Collapse the milling cutting insert of performance.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide one kind and effectively reduce cutting resistance
Power is to cut brisk milling cutting insert.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of milling cutting insert, the blade body including being in polygon, each side is formed on the rake face of blade body
Cutting edge, two neighboring cutting edge are connected by Circular Nose Cutting Edge, and the cutting edge is equipped between two Circular Nose Cutting Edges and is sequentially connected
Wiper edges, inverted V-shaped sword, transitional straight cutting edge, the wiper edges are horizontally disposed, and the upward slope sword of wiper edges and inverted V-shaped sword connects
It connects, the transitional straight cutting edge is connect with the descending sword of inverted V-shaped sword, and the vertex of the inverted V-shaped sword is highest on rake face
Point.
As a further improvement of the above technical scheme, it is preferred that cutting edge is corresponded on the rake face has cutting tough
Band, it is that uniformly, in wiper edges end to inverted V-shaped sword apex, cutting ligament is gradually to broaden that ligament is cut at wiper edges
, it in inverted V-shaped sword apex to inverted V-shaped sword end, cuts ligament and becomes narrow gradually, cut ligament in inverted V-shaped sword apex
It is most wide.
As a further improvement of the above technical scheme, it is preferred that the number of edges of the blade body is four and four or more
When, the Circular Nose Cutting Edge connection of the wiper edges and one end, the Circular Nose Cutting Edge connection of the transitional straight cutting edge and the other end.
As a further improvement of the above technical scheme, it is preferred that two Circular Nose Cutting Edges on the wiper edges and every one side
In the horizontal plane.
As a further improvement of the above technical scheme, it is preferred that the wiper edges and inverted V-shaped sword junction are equipped with and reinforce
Muscle.
As a further improvement of the above technical scheme, it is preferred that the length of the upward slope sword of the inverted V-shaped sword is greater than descending
The length of sword.
As a further improvement of the above technical scheme, it is preferred that between the upward slope sword and wiper edges of the inverted V-shaped sword
Angle α, the angle between the descending sword and wiper edges of inverted V-shaped sword are β, 10 °≤α≤15 °, 3 °≤β≤10 °, and α ≠ β.
As a further improvement of the above technical scheme, it is preferred that cutting edge is corresponded on the rake face with arc-shaped
Chip-breaker.
As a further improvement of the above technical scheme, it is preferred that the arc-shaped chip-breaker is with blade cutting-in Ap's
Increase and increases.
As a further improvement of the above technical scheme, it is preferred that the blade body is convex triangular structure, described to state
Wiper edges are connected by connection sword and the Circular Nose Cutting Edge of one end, and the transitional straight cutting edge directly connects with the Circular Nose Cutting Edge of the other end
It connects.
Compared with the prior art, the advantages of the present invention are as follows:
The vertex P of milling cutting insert of the invention, inverted V-shaped sword starts to cut at first, and then other parts are gradually cut, vertex
The cutting force of the two sides P is contrary, can largely cancel out each other, effectively reduce cutting resistance, to cut brisk, drop
Low vibration.The main cutting edge of wiper edges and protrusion can guarantee quilt by wiper edges while effectively reducing cutting force
The quality of machined surface.Chip-breaker in the arc-shaped can control the curling of chip well and fracture；The ligament of change width and add
Strengthening tendons can delay the abrasion of blade cutting edge to collapse performance with the anti-of blade is improved, what realization was cut under blade roughing feed parameter
High life.
Detailed description of the invention
Fig. 1 is the three-dimensional structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the main view of the embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 1 bowed.
Fig. 4 is the enlarged drawing in the embodiment of the present invention 1 at reinforcing rib.
Fig. 5 is that the milling cutting insert in the embodiment of the present invention 1 has just started schematic diagram when machining.
Fig. 6 is to carry out schematic diagram when smoothing processing after milling cutting insert cutting in the embodiment of the present invention 1.
Fig. 7 is the three-dimensional structural schematic diagram of the embodiment of the present invention 2.
Fig. 8 is to carry out schematic diagram when smoothing processing after milling cutting insert cutting in the embodiment of the present invention 2.
Each label indicates in figure:
1, blade body；2, side；3, rake face；4, cutting edge；41, wiper edges；42, inverted V-shaped sword；421, upward slope sword；
422, descending sword；43, transitional straight cutting edge；44, sword is connected；5, Circular Nose Cutting Edge；6, ligament is cut；7, reinforcing rib；8, arc-shaped
Chip-breaker.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, invention is further described in detail.
Embodiment 1
As shown in Figures 1 to 4, the milling cutting insert of the present embodiment, by taking the blade body 1 of quadrangle as an example, each side 2 exists
Cutting edge 4 is formed on the rake face 3 of blade body 1, two neighboring cutting edge 4 is connected by Circular Nose Cutting Edge 5, and cutting edge 4 is in two
The wiper edges 41 being sequentially connected, inverted V-shaped sword 42, transitional straight cutting edge 43 are equipped between Circular Nose Cutting Edge 5,41 level of wiper edges is set
It sets, and wiper edges 41 are connect with the upward slope sword 421 of inverted V-shaped sword 42, the descending sword of transitional straight cutting edge 43 and inverted V-shaped sword 42
422 connections, the vertex P of inverted V-shaped sword 42 are highest point on rake face 3.Wiper edges 41 are connect with the Circular Nose Cutting Edge 5 of one end, transition
Linear cutting edge 43 is connect with the Circular Nose Cutting Edge 5 of the other end.Side 2 is also the flank of cutting edge 4, and wiper edges 42 are mainly
The effect of the smooth finished surface of smoothing, inverted V-shaped sword 42 and transitional straight cutting edge 43 are main cutting edge.Inverted V-shaped sword 42 and mistake
Linear cutting edge 43 is crossed in flank direction in convex shape.When machining, the vertex P of inverted V-shaped sword 42 is contacted at first to be added
Work workpiece 9.
In the present embodiment, cutting edge 4 is corresponded on rake face 3 has cutting ligament 6, and ligament 6 is cut at wiper edges 41 is
Uniformly, it in 41 end of wiper edges to 42 apex of inverted V-shaped sword, cuts ligament 6 and gradually broadens, on 42 vertex of inverted V-shaped sword
Place to 42 end of inverted V-shaped sword, cutting ligament 6 become narrow gradually, and cutting ligament 6 is most wide at 42 vertex P of inverted V-shaped sword, enhancing
Intensity at the P of vertex, reduce when this is in machining collapse it is scarce.The corresponding cutting edge band 6 of transitional straight sword 42 narrows,
Such structure cutting force in processing is smaller, cuts more brisk.
In the present embodiment, two Circular Nose Cutting Edges 5 on wiper edges 41 and every one side in the horizontal plane, transitional straight cutting edge
43 be in the trend and Circular Nose Cutting Edge 5 of descending.That is, inverted V-shaped sword 42 and transitional straight cutting edge 43 in wiper edges 41 and
The top of Circular Nose Cutting Edge 5, in actual processing, especially big-feed milling when, actually only inverted V-shaped sword 42 and transitional straight are cut
Sword 43 is cut to contact with workpiece to be machined 9.Roughing feed refers to the operating condition that the amount of feeding is big, blade cutting-in Ap is small.
In the present embodiment, wiper edges 41 and 42 junction of inverted V-shaped sword are equipped with reinforcing rib 7.In 41 inverted V type sword of wiper edges, 42 phase
The place of connecing will form biggish cutting stress, and reinforcing rib 7 can increase intensity herein, resist cutting stress well.
In the present embodiment, positive angle α between the upward slope sword 421 and wiper edges 41 of inverted V-shaped sword 42, inverted V-shaped sword 42
Negative angle between descending sword 422 and wiper edges 41 is β, and α can be any value (containing two point values) in 10 °~15 °, β
It can be any value (containing two point values) in 3 °~10 °, since the length of the upward slope sword 421 of inverted V-shaped sword 42 is greater than descending sword
422 length, therefore α ≠ β.The lower angle of slope of transitional straight cutting edge 43 and 422 gradient of descending sword of inverted V-shaped sword 42 are approximate.
In the present embodiment, cutting edge 4 is corresponded on rake face 3 with arc-shaped chip-breaker 8.Arc-shaped chip-breaker 8, which arises from, to be repaired
41 inverted V type sword of light sword, 42 joint (reinforcing rib 7), finally at the reinforcing rib 7 of adjacent edge.Arc-shaped chip-breaker 8 is cut with blade
The increase of deep Ap and increase, such structure is conducive to the curling of chip and fractures.
Fig. 5 is that milling cutting insert of the invention has just started machining schematic diagram, and Fig. 6 is that milling cutting insert of the invention cuts it
The machining sketch chart of smoothing is carried out afterwards.In rigid machining, (inverted V-shaped sword 42 and transition are straight for the main cutting edge of milling cutting insert
Line cutting edge 43) to form the tool cutting edge angle θ, θ of cutter with the machined surface of workpiece to be machined 9 can be any in 10 °~20 °
Value (contains two point values)；Milling cutting insert around cutter axis of rotation C do revolution cutting movement (when cutting, several cutting tips peace
On cutter), the vertex P of inverted V-shaped sword 42 starts to cut at first, and then other parts are gradually cut, the cutting of the vertex two sides P
Power is contrary, can largely cancel out each other, effectively reduce cutting resistance, to cut brisk, reduces vibration.It is main
Cutting edge is wanted to remove most of chipping allowance, wiper edges 42 process machined surface smoothing, in wiper edges 41 and inverted V type sword 42
Junction will form biggish cutting stress, and reinforcing rib 7 can increase intensity herein, resist cutting stress well；With
The increase of blade cutting-in Ap, the curling of chip and the circular arc chip breaking that is more and more difficult, and increasing with cutting-in Ap and gradually broaden that fractures
Slot 8 can make the curling of chip become simple, easy with fractureing.Milling cutting insert of the invention combines cutting force, chip
It crimps and fractures, resist and collapse scarce performance, can greatly improve the service life of milling cutting insert.
Embodiment 2
As shown in Figure 7 and Figure 8, the milling cutting insert of the present embodiment, difference from example 1 is that:
In the present embodiment, blade body 1 is convex triangular structure, the Circular Nose Cutting Edge that wiper edges 41 pass through connection sword 44 and one end
5 connections, transitional straight cutting edge 43 is directly connect with the Circular Nose Cutting Edge of the other end 5, so that inverted V-shaped sword 42 and transitional straight are cut
It cuts sword 43 and is in a reasonable position.
Remaining place is substantially the same manner as Example 1 in the present embodiment, and details are not described herein again.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of milling cutting insert, the blade body (1) including being in polygon, rake face of each side (2) in blade body (1)
(3) it is formed on cutting edge (4), two neighboring cutting edge (4) is connected by Circular Nose Cutting Edge (5), it is characterised in that: the cutting edge
(4) wiper edges (41) being sequentially connected, inverted V-shaped sword (42), transitional straight cutting edge are equipped between two Circular Nose Cutting Edges (5)
(43), the wiper edges (41) are horizontally disposed, and wiper edges (41) are connect with the upward slope sword (421) of inverted V-shaped sword (42), the mistake
It crosses linear cutting edge (43) to connect with the descending sword (422) of inverted V-shaped sword (42), the vertex P of the inverted V-shaped sword (42) is in rake face
It (3) is highest point on.
2. milling cutting insert according to claim 1, it is characterised in that: corresponding to cutting edge (4) on the rake face (3) has
It cuts ligament (6), it is uniformly, to push up in wiper edges (41) end to inverted V-shaped sword (42) that ligament (6) are cut at wiper edges (41)
At point, cutting ligament (6) gradually broadens, and in inverted V-shaped sword (42) apex to inverted V-shaped sword (42) end, cuts ligament (6)
It becomes narrow gradually, it is most wide that ligament (6) is cut at inverted V-shaped sword (42) vertex P.
3. milling cutting insert according to claim 2, it is characterised in that: the number of edges of the blade body (1) is four and four
When above, the wiper edges (41) connect with the Circular Nose Cutting Edge (5) of one end, the circle of transitional straight cutting edge (43) and the other end
Arc sword (5) connection.
4. milling cutting insert according to claim 3, it is characterised in that: two circles on the wiper edges (41) and every one side
In the horizontal plane, the transitional straight cutting edge (43) is parallel with wiper edges (41), alternatively, the transitional straight for arc sword (5)
Cutting edge (43) and wiper edges (41) are in negative angle.
5. milling cutting insert according to any one of claims 1 to 4, it is characterised in that: the wiper edges (41) and inverted V-shaped
Sword (42) junction is equipped with reinforcing rib (7).
6. milling cutting insert according to any one of claims 1 to 4, it is characterised in that: the upward slope of the inverted V-shaped sword (42)
The length of sword (421) is greater than the length of descending sword (422).
7. milling cutting insert according to claim 6, it is characterised in that: the upward slope sword (421) of the inverted V-shaped sword (42) with repair
There is positive angle α between light sword (41), there is negative folder between the descending sword (422) and wiper edges (41) of inverted V-shaped sword (42)
Angle is β, 10 °≤α≤15 °, 3 °≤β≤10 °.
8. milling cutting insert according to any one of claims 1 to 4, it is characterised in that: correspondence is cut on the rake face (3)
Sword (4) are cut with arc-shaped chip-breaker (8).
9. milling cutting insert according to claim 8, it is characterised in that: the arc-shaped chip-breaker (8) is with blade cutting-in
The increase of Ap and increase.
10. milling cutting insert according to claim 1, it is characterised in that: the blade body (1) is convex triangular structure,
The wiper edges (41) are connect by connecting sword (44) with the Circular Nose Cutting Edge (5) of one end, and the transitional straight cutting edge (43) is direct
It is connect with the Circular Nose Cutting Edge (5) of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420276.XA CN109365887B (en) | 2018-11-26 | 2018-11-26 | Milling blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420276.XA CN109365887B (en) | 2018-11-26 | 2018-11-26 | Milling blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109365887A true CN109365887A (en) | 2019-02-22 |
| CN109365887B CN109365887B (en) | 2020-08-14 |
Family
ID=65383254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811420276.XA Active CN109365887B (en) | 2018-11-26 | 2018-11-26 | Milling blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109365887B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045227A (en) * | 2020-07-27 | 2020-12-08 | 厦门金鹭特种合金有限公司 | Peripheral drilling blade and drilling tool thereof |
| CN114226820A (en) * | 2022-01-12 | 2022-03-25 | 百斯图工具制造有限公司 | Milling blade and milling cutter with fast-forward and square shoulder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088864A (en) * | 1992-09-09 | 1994-07-06 | 伊斯卡有限公司 | A kind of removable milling cutting insert |
| DE69915654T2 (en) * | 1998-09-08 | 2004-08-19 | Seco Tools Ab | TOOL WITH CUTTING INSERT FOR MILLING |
| CN1775436A (en) * | 2005-12-13 | 2006-05-24 | 株洲钻石切削刀具股份有限公司 | Big-feed milling blade |
| CN101698247A (en) * | 2009-10-29 | 2010-04-28 | 株洲钻石切削刀具股份有限公司 | Indexable anti-flutter blade for milling side wall |
| CN202174276U (en) * | 2011-06-30 | 2012-03-28 | 哈尔滨理工大学 | Convex triangular chute milling cutter blade |
| US20140064864A1 (en) * | 2012-08-28 | 2014-03-06 | Kennametal Inc. | Tangential indexable cutting insert |
| US8926234B2 (en) * | 2007-06-05 | 2015-01-06 | Sandvik Intellectual Property Ab | Indexable end-milling insert |
| CN107427929A (en) * | 2015-03-25 | 2017-12-01 | 爱信机工株式会社 | Processing unit (plant) and method are scraped in cutting element, rotation |
-
2018
- 2018-11-26 CN CN201811420276.XA patent/CN109365887B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088864A (en) * | 1992-09-09 | 1994-07-06 | 伊斯卡有限公司 | A kind of removable milling cutting insert |
| DE69915654T2 (en) * | 1998-09-08 | 2004-08-19 | Seco Tools Ab | TOOL WITH CUTTING INSERT FOR MILLING |
| CN1775436A (en) * | 2005-12-13 | 2006-05-24 | 株洲钻石切削刀具股份有限公司 | Big-feed milling blade |
| US8926234B2 (en) * | 2007-06-05 | 2015-01-06 | Sandvik Intellectual Property Ab | Indexable end-milling insert |
| CN101698247A (en) * | 2009-10-29 | 2010-04-28 | 株洲钻石切削刀具股份有限公司 | Indexable anti-flutter blade for milling side wall |
| CN202174276U (en) * | 2011-06-30 | 2012-03-28 | 哈尔滨理工大学 | Convex triangular chute milling cutter blade |
| US20140064864A1 (en) * | 2012-08-28 | 2014-03-06 | Kennametal Inc. | Tangential indexable cutting insert |
| CN107427929A (en) * | 2015-03-25 | 2017-12-01 | 爱信机工株式会社 | Processing unit (plant) and method are scraped in cutting element, rotation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045227A (en) * | 2020-07-27 | 2020-12-08 | 厦门金鹭特种合金有限公司 | Peripheral drilling blade and drilling tool thereof |
| CN112045227B (en) * | 2020-07-27 | 2022-01-18 | 厦门金鹭特种合金有限公司 | Peripheral drilling blade and drilling tool thereof |
| CN114226820A (en) * | 2022-01-12 | 2022-03-25 | 百斯图工具制造有限公司 | Milling blade and milling cutter with fast-forward and square shoulder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109365887B (en) | 2020-08-14 |
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