CN207402125U - A kind of roughing turning insert - Google Patents
A kind of roughing turning insert Download PDFInfo
- Publication number
- CN207402125U CN207402125U CN201721429035.2U CN201721429035U CN207402125U CN 207402125 U CN207402125 U CN 207402125U CN 201721429035 U CN201721429035 U CN 201721429035U CN 207402125 U CN207402125 U CN 207402125U
- Authority
- CN
- China
- Prior art keywords
- arc
- edged
- edged surface
- face
- cutting edge
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model provides a kind of roughing turning insert, belongs to cutting-tool engineering field.It solves the problems, such as that existing turning insert structural strength is low.It includes body, body has upper surface, multiple sides and arc surface, arc surface intersects with upper surface forms circular arc cutting edge, side is intersected with upper surface forms main cutting edge, empty avoiding groove and chip breaker are equipped between circular arc cutting edge and mounting hole successively, chamfered edge face is equipped between circular arc cutting edge and empty avoiding groove, edged surface before edged surface and second before first, chamfered edge face is opposite with the inclined direction of edged surface before first, edged surface is identical with the inclined direction of edged surface before second before first, it is connected before chamfered edge face and first between edged surface by one transition of arc section, edged surface is connected with edged surface before second by two transition of arc section before first, it is connected before second between edged surface and empty avoiding groove by three transition of arc section, it is additionally provided with to strengthen the stiffener assembly of chip breaker structural strength on body.The utility model has many advantages, such as that structural strength is high.
Description
Technical field
The utility model belongs to cutting-tool engineering field, is related to a kind of roughing turning insert.
Background technology
It should be according to different machining conditions for the blade cut groove profile of the rough machined Indexable cutting inserts of metal cutting
With processing object and design, should take into full account intensity of processing environment, processing object, cutter hub material, coating, blade etc. it is comprehensive because
Element, to obtain better cutting ability and efficiency.For roughing blade, both need to cut using larger in use
It cuts feeding and meets the requirement of processing efficiency, and need to ensure cutting edge strength, meet the requirement of service life, how to obtain optimal knife
Piece performance is the key point of blade cut groove design.In each design element, blade datum surface and rake face institute shape
Into anterior angle be a key parameter, the excessive excellent cutting performance of anterior angle but cutting edge easily breaks, so often being fallen to cutting edge using width
Rib or corner structure is with proof strength before reducing, this mode that simple chamfered edge processing is directly carried out to cutting edge, although can be with
The impact property of blade is improved, but increased dramatically the cutting resistance suffered by blade, the abrasion aggravation of blade.The opposing party
Face, chip breaking Functional Design is also critically important in the design of roughing Chip grooves, and since roughing cutting depth is big, transverse curvature is firm
Degree is high, will not generally form long and thick screw type chip, it is most of considered to be worth doing with c-type based on, main chip breaking function is by point of a knife
Cutting unit complete.In the prior art, the more use plane transition of chip-breaker in point of a knife cutting unit, is unfavorable for roughing
The chip breaking of chip.And chip breaker structural strength is relatively low, when the c-type bits to large volume are crimped, is easily broken off.
The content of the invention
The purpose of this utility model is that there are the above problems for existing technology, it is proposed that a kind of structural strength is higher
Roughing turning insert.
The purpose of this utility model can be realized by following technical proposal：
Roughing turning insert, has the body of mounting hole including middle part, and the body has upper surface, multiple sides
And the arc surface for connecting two adjacent sides, the arc surface intersects with upper surface forms circular arc cutting edge, the side
Face is intersected with upper surface forms main cutting edge, is equipped with empty avoiding groove and chip breaking between the circular arc cutting edge and mounting hole successively
Platform, which is characterized in that edged surface and the second anterior angle before chamfered edge face, first are equipped between the circular arc cutting edge and empty avoiding groove
Face, before the chamfered edge face and first edged surface inclined direction on the contrary, before described first before edged surface and second edged surface inclination side
It is connected before to identical, described chamfered edge face and first between edged surface by one transition of arc section, edged surface and the before described first
Edged surface is connected by two transition of arc section before two, is connected before described second between edged surface and empty avoiding groove by three transition of arc section
It connects, is additionally provided with to strengthen the stiffener assembly of chip breaker structural strength on the body.
In a kind of above-mentioned roughing turning insert, the chip breaker is in triangular shape and symmetrical along the diagonal of body
It sets, there is the volume bits face being obliquely installed between the chip breaker and empty avoiding groove.
In a kind of above-mentioned roughing turning insert, the stiffener assembly include being arranged on chip breaker and empty avoiding groove it
Between reinforcing rib one and reinforcing rib two, the reinforcing rib one is symmetrical arranged with reinforcing rib two along the diagonal of body, described
Reinforcing rib one is extended at main cutting edge, and the reinforcing rib two is extended at main cutting edge.
In a kind of above-mentioned roughing turning insert, the reinforcement, which is set up, to be included being arranged between two adjacent chip breakers
Boss and the reinforcing rib three between boss and empty avoiding groove, the reinforcing rib three are extended at main cutting edge.
In a kind of above-mentioned roughing turning insert, the angle of the chamfered edge face and upper surface is 5-10 °, described
Edged surface and the angle of upper surface are 0-10 ° before one, and edged surface and the angle of upper surface are 10-25 ° before described second.
In a kind of above-mentioned roughing turning insert, the angle of the chamfered edge face and upper surface is 7 °, described first
Preceding edged surface and the angle of upper surface are 4 °, and edged surface and the angle of upper surface are 19 ° before described second.
In a kind of above-mentioned roughing turning insert, the vertical range of the center line distance arc surface of the arc section one is
0.08-0.12mm, the vertical range of the center line distance arc surface of the arc section two is 0.3-0.4mm.
In a kind of above-mentioned roughing turning insert, the vertical range of the center line distance arc surface of the arc section one is
0.1mm, the vertical range of the center line distance arc surface of the arc section two is 0.3mm.
Compared with prior art, this roughing turning insert has the following advantages：
Since volume bits face is larger to the distance between edged surface before second, larger empty avoiding groove is formd, chip can be met
The chip breaking requirement of process, and heat dissipation and exclusion that rational chip space is conducive to chip can be formed；Edged surface before chamfered edge face, first
With second before edged surface width design it is reasonable, effectively increase the cutting edge strength of circular arc cutting edge, improve the anti-of blade and collapse performance
And durability；Reinforcing rib structure is provided with simultaneously, blade integral strength is made further to be promoted；Blade structure is exquisite beautiful.
Description of the drawings
Fig. 1 is the top view of preferred embodiment provided by the utility model.
Fig. 2 is sectional view at G-G in Fig. 1 provided by the utility model.
In figure, 1, side；2nd, arc surface；3rd, empty avoiding groove；4th, chip breaker；5th, chamfered edge face；6th, edged surface before first；7th, second
Preceding edged surface；8th, arc section one；9th, arc section two；10th, arc section three；11st, bits face is rolled up；12nd, reinforcing rib one；13rd, reinforcing rib two；
14th, boss；15th, reinforcing rib three.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Roughing turning insert as shown in Figure 1, has the body of mounting hole including middle part, and body has upper surface, four
A side 1 and the arc surface 2 for connecting two adjacent sides 1, arc surface 2 intersects with upper surface forms circular arc cutting edge, side 1
Intersect with upper surface and form main cutting edge, be equipped with empty avoiding groove 3 and chip breaker 4, circle between circular arc cutting edge and mounting hole successively
Equipped with edged surface 7 before edged surface 6 and second before chamfered edge face 5, first, 5 and first anterior angle of chamfered edge face between arc cutting edge and empty avoiding groove 3
The inclined direction in face 6 is on the contrary, edged surface 6 is identical with the inclined direction of edged surface before second 7 before first, edged surface 6 before chamfered edge face 5 and first
Between connected by one 8 transition of arc section, edged surface 6 is connected with edged surface before second 7 by 29 transition of arc section before first, second
It is connected between preceding edged surface 7 and empty avoiding groove 3 by 3 10 transition of arc section, is additionally provided with to strengthen 4 structure of chip breaker on body
The stiffener assembly of intensity.
As shown in Figure 1, chip breaker 4 is symmetrical arranged in triangular shape and along the diagonal of body, chip breaker 4 and empty avoiding groove 3
Between have be obliquely installed volume bits face 11.
As shown in Figure 1, stiffener assembly includes the reinforcing rib 1 and reinforcing rib that are arranged between chip breaker 4 and empty avoiding groove 3
2 13, reinforcing rib 1 is symmetrical arranged with reinforcing rib 2 13 along the diagonal of body, and reinforcing rib 1 is extended at main cutting edge,
Reinforcing rib 2 13 is extended at main cutting edge.
As shown in Figure 1, strengthen setting up including the boss 14 between two adjacent chip breakers 4 and arranged on boss 14 and empty avoiding
Reinforcing rib 3 15 between groove 3, reinforcing rib 3 15 are extended at main cutting edge.
The angle α of chamfered edge face 5 and upper surface is 5-10 °, and edged surface 6 and the angle β of upper surface are 0-10 ° before first, second
Preceding edged surface 7 and the angle γ of upper surface are 10-25 °.
Specifically, as shown in Fig. 2, the angle α of chamfered edge face 5 and upper surface is 7 °, edged surface 6 and the angle of upper surface before first
β is 4 °, and edged surface 7 and the angle γ of upper surface are 19 ° before second.
The vertical range L1 of the center line distance arc surface 2 of arc section 1 is 0.08-0.12mm, and the center line distance of arc section 29 is justified
The vertical range L2 of cambered surface 2 is 0.3-0.4mm.
Specifically, as shown in Fig. 2, the vertical range L1 of the center line distance arc surface 2 of arc section 1 be 0.1mm, arc section two
The vertical range L2 of 9 center line distance arc surface 2 is 0.3mm.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of roughing turning insert, has the body of mounting hole including middle part, the body has upper surface, multiple sides
Face (1) and the arc surface (2) for connecting two adjacent sides (1), the arc surface (2), which intersects composition circular arc with upper surface, to be cut
Consider sword to be worth doing, the side (1) intersects with upper surface forms main cutting edge, is set successively between the circular arc cutting edge and mounting hole
There are empty avoiding groove (3) and chip breaker (4), which is characterized in that chamfered edge is equipped between the circular arc cutting edge and empty avoiding groove (3)
Edged surface (7) before edged surface (6) and second before face (5), first, the inclined direction phase of edged surface (6) before the chamfered edge face (5) and first
Instead, edged surface (6) is identical with the inclined direction of edged surface before second (7) before described first, the chamfered edge face (5) and the first anterior angle
It is connected between face (6) by arc section one (8) transition, edged surface (7) passes through arc section before edged surface (6) and second before described first
Two (9) transition connect, and are connected before described second between edged surface (7) and empty avoiding groove (3) by arc section three (10) transition, institute
It is additionally provided with to strengthen the stiffener assembly of chip breaker (4) structural strength on the body stated.
2. a kind of roughing turning insert according to claim 1, which is characterized in that the chip breaker (4) is in triangle
It shape and is symmetrical arranged along the diagonal of body, there are the volume bits being obliquely installed between the chip breaker (4) and empty avoiding groove (3)
Face (11).
3. a kind of roughing turning insert according to claim 1, which is characterized in that the stiffener assembly includes being arranged on
Reinforcing rib one (12) and reinforcing rib two (13) between chip breaker (4) and empty avoiding groove (3), the reinforcing rib one (12) is with adding
Strengthening tendons two (13) is symmetrical arranged along the diagonal of body, and the reinforcing rib one (12) is extended at main cutting edge, and described adds
Strengthening tendons two (13) is extended at main cutting edge.
4. a kind of roughing turning insert according to claim 2, which is characterized in that the reinforcement, which is set up, to be included being arranged on
Boss (14) between two adjacent chip breakers (4) and the reinforcing rib three (15) between boss (14) and empty avoiding groove (3), institute
The reinforcing rib three (15) stated is extended at main cutting edge.
5. a kind of roughing turning insert according to claim 1, which is characterized in that the chamfered edge face (5) and upper table
The angle (α) in face is 5-10 °, and edged surface (6) and the angle (β) of upper surface are 0-10 ° before described first, edged surface before described second
(7) it is 10-25 ° with the angle of upper surface (γ).
6. a kind of roughing turning insert according to claim 5, which is characterized in that the chamfered edge face (5) and upper table
The angle (α) in face is 7 °, and edged surface (6) and the angle (β) of upper surface are 4 ° before described first, before described second edged surface (7) with it is upper
The angle (γ) on surface is 19 °.
A kind of 7. roughing turning insert according to claim 1, which is characterized in that the center line of the arc section one (8)
Vertical range (L1) away from arc surface (2) be 0.08-0.12mm, the center line distance arc surface (2) of the arc section two (9) it is vertical
Distance (L2) is 0.3-0.4mm.
A kind of 8. roughing turning insert according to claim 7, which is characterized in that the center line of the arc section one (8)
Vertical range (L1) away from arc surface (2) be 0.1mm, the vertical range of the center line distance arc surface (2) of the arc section two (9)
(L2) it is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429035.2U CN207402125U (en) | 2017-10-31 | 2017-10-31 | A kind of roughing turning insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429035.2U CN207402125U (en) | 2017-10-31 | 2017-10-31 | A kind of roughing turning insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207402125U true CN207402125U (en) | 2018-05-25 |
Family
ID=62408480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721429035.2U Active CN207402125U (en) | 2017-10-31 | 2017-10-31 | A kind of roughing turning insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207402125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275605A (en) * | 2021-05-25 | 2021-08-20 | 自贡硬质合金有限责任公司 | Sharp high strength cutting edge structure |
| CN113579273A (en) * | 2021-08-23 | 2021-11-02 | 上海应用技术大学 | Antifriction cutting tool with composite micro texture |
-
2017
- 2017-10-31 CN CN201721429035.2U patent/CN207402125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275605A (en) * | 2021-05-25 | 2021-08-20 | 自贡硬质合金有限责任公司 | Sharp high strength cutting edge structure |
| CN113579273A (en) * | 2021-08-23 | 2021-11-02 | 上海应用技术大学 | Antifriction cutting tool with composite micro texture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2832477B1 (en) | Cutting insert | |
| CN102120267B (en) | Ultra-large type forged shaft hogging machining special efficient lathe tool | |
| CN207402125U (en) | A kind of roughing turning insert | |
| CN202106047U (en) | Variable-edge and indexable vehicle blade special for heavy type cutting | |
| CN205464389U (en) | But be used for 300M ultrahigh strength steel rough machining transposition cell type lathe tool piece | |
| CN103009333B (en) | Indexable cutting insert for rough machining | |
| CN205551503U (en) | Cutting cutter | |
| CN203091768U (en) | Indexable cutting blade for rough machining | |
| CN206588352U (en) | The indexable square turning insert of the efficient chip breaking of high temperature alloy roughing | |
| CN209223214U (en) | One kind being used for the indexable turnning and milling composite blade of big cutting-in hogging machining | |
| CN102581365B (en) | Position rotatable blade for milling processing | |
| CN201579444U (en) | Double-sided groove type invertible numerical control turning blade for rough machining | |
| CN201579432U (en) | Double-sided groove type invertible numerical control turning blade for rough machining of steel workpieces | |
| CN219004688U (en) | Drill bit blade with stepped cutting edge | |
| CN205851891U (en) | A kind of for 300M unimach polish indexable grooved turning insert | |
| CN108480731A (en) | A kind of surface joining mold milling rose cutter | |
| CN201579437U (en) | Double-sided groove type indexable numerical control turning blade for heavy cutting | |
| CN205673619U (en) | The efficient hogging machining dual-purpose indexable insert tip, throw away tip of forged shaft turnning and milling under a kind of fully loaded transportation condition | |
| CN201988738U (en) | Single-side grooved type displacement numerical control turning blade for finish turning bore and finish boring | |
| CN206047272U (en) | A kind of ladder chip breaking structure internal screw stricture of vagina processes special-purpose vehicles blade | |
| CN209755514U (en) | Material cutting and bottom cleaning straight knife | |
| CN107552816A (en) | High temperature alloy finishes efficient chip breaking rhombus turning insert | |
| CN209986289U (en) | X-shaped drill bit blade | |
| CN103192099B (en) | Dual-purpose turning and milling blade special for extreme heavy axial forging efficient bullnose | |
| CN201720509U (en) | Milling blade and milling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |