CN209532140U - High-accuracy NC tools - Google Patents
High-accuracy NC tools Download PDFInfo
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- CN209532140U CN209532140U CN201822223659.XU CN201822223659U CN209532140U CN 209532140 U CN209532140 U CN 209532140U CN 201822223659 U CN201822223659 U CN 201822223659U CN 209532140 U CN209532140 U CN 209532140U
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- knife
- cutter hub
- area
- end surface
- point
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Abstract
The utility model discloses a kind of high-accuracy NC tools, including knife bar and it is mounted on the cutter hub of knife bar end, the operative end surface of this cutter hub is diamond shape, the diagonal angle of each operative end surface is equipped with point of a knife, and the operative end surface is equipped with diamond shape boss, the diamond shape boss and operative end surface week it is intermarginal be provided with chip pocket, this diamond shape boss include chip breaking portion at the point of a knife, around the setting of cutter hub center line the first anticracking portion and be distributed in the second anticracking portion of the first anticracking portion two sides.The high-accuracy NC tools of the utility model are used for finishing, the semifinishing of workpiece, by the setting in the first anticracking portion and the second anticracking portion, eliminate stress and concentrate, the generation of Crack prevention improves cutter hub quality.
Description
Technical field
The utility model relates to a kind of high-accuracy NC tools, belong to digital cuttings technical field.
Background technique
Currently, can not only be improved processed when using the blade workpieces processing of the cermet material of NC cutting tool
The finish of workpiece surface, moreover it is possible to promote the service life of digital cuttings；But the numerical control of part metals ceramic material on the market
Blade when processing the workpiece, due to the defect of groove design, during sinter molding, is easy to appear crackle in cutter hub and influences
To cutter hub quality.
Summary of the invention
The purpose of the utility model is to provide a kind of high-accuracy NC tools, which is used for the essence of workpiece
Processing, semifinishing are eliminated stress and are concentrated, the generation of Crack prevention mentions by the setting in the first anticracking portion and the second anticracking portion
High cutter hub quality.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of high-accuracy NC tools, including knife bar
And it is mounted on the cutter hub of knife bar end, the operative end surface of this cutter hub is diamond shape, and the diagonal angle of each operative end surface is equipped with knife
Point, and the operative end surface be equipped with diamond shape boss, the diamond shape boss and operative end surface week it is intermarginal be provided with chip pocket, this diamond shape
Boss include chip breaking portion at the point of a knife, around the setting of cutter hub center line the first anticracking portion and be distributed in the first anticracking portion two sides
The second anticracking portion.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, first anticracking part is four anti-split plots of arc, and second anticracking portion is parallel to appearance
The two sides of bits slot are provided with stepped groove.
2. in above scheme, the lateral margin of the operative end surface includes point of a knife area and cutter hub area, this point of a knife area is obliquely installed,
And the angle of itself and cutter hub horizontal end is 3.5-4.5 °, plane where plane where point of a knife area top and cutter hub area bottom end
Spacing be 0.15mm.
3. in above scheme, the point of a knife includes the platform area for being parallel to operative end surface and the area Rong Xie being obliquely installed, this
The angle of the area Rong Xie and platform area is 14.5-15.5 °.
4. in above scheme, the chip breaking portion has the chip breaking tip for being connected to the area Rong Xie, the top surface at the chip breaking tip
It is obliquely installed, and the angle of itself and operative end surface is 25 °.
5. in above scheme, being provided with mark concave point in second anticracking portion.
6. in above scheme, the knife bar end is equipped with the mounting groove with fixation hole, inserted in the mounting hole of the cutter hub
There is the fixed screw being threadedly connected in fixation hole.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the utility model high-accuracy NC tools, pass through the design in the first anticracking portion and the second anticracking portion, and collaboration is disconnected
Bits portion forms diamond shape boss in operative end surface, so that the stress distribution in sintering pressing process is more reasonable, alleviates stress collection
In phenomenon, waste product can not only be reduced, moreover it is possible to improve cutter hub quality.
2, the utility model high-accuracy NC tools form low-angle point of a knife by the point of a knife area being obliquely installed, thus
Cutter hub cutting edge strength is improved, and improves point of a knife radiating efficiency, improves the processing quality of cutter hub.
3, the utility model high-accuracy NC tools facilitate staff to distinguish different by the setting of mark concave point
Operative end surface.
Detailed description of the invention
Attached drawing 1 is the overall structure diagram of the utility model high-accuracy NC tools；
Attached drawing 2 is the top view of cutter hub；
Attached drawing 3 is the cross-sectional view in the direction A-A in Fig. 2；
Attached drawing 4 is the enlarged drawing of part B in Fig. 3；
Attached drawing 5 is the side view in the direction a in Fig. 2；
Attached drawing 6 is the enlarged drawing of C portion in Fig. 5.
In the figures above: 1, cutter hub；11, operative end surface；12, point of a knife；13, chip pocket；14, the area Rong Xie；15, platform area；
16, mounting hole；2, diamond shape boss；21, chip breaking portion；22, chip breaking tip；3, the first anticracking portion；31, the anti-split plot of arc；4, second
Anticracking portion；41, stepped groove；5, point of a knife area；6, cutter hub area；7 mark concave points；8, knife bar；81, mounting groove；82, fixed screw.
Specific embodiment
Embodiment 1: a kind of high-accuracy NC tools including knife bar 8 and are mounted on the knife of 8 end of knife bar referring to attached drawing 1-6
Body 1, the operative end surface 11 of this cutter hub 1 are diamond shape, and the diagonal angle of each operative end surface 11 is equipped with point of a knife 12, and the work
End face 11 is equipped with diamond shape boss 2, the diamond shape boss 2 with operative end surface 11 weeks it is intermarginal be provided with chip pocket 13, this diamond shape boss 2
Including be set to point of a knife 12 at chip breaking portion 21, around 1 center line of cutter hub setting the first anticracking portion 3 and be distributed in the first anticracking portion 3
Second anticracking portion 4 of two sides；Above-mentioned first anticracking portion 3 divides for the anti-split plot 31 of four arcs, and second anticracking portion 4 is parallel to appearance
The two sides of bits slot 13 are provided with stepped groove 41.
The lateral margin of above-mentioned operative end surface 11 includes point of a knife area 5 and cutter hub area 6, this point of a knife area 5 is obliquely installed, and itself and cutter hub
The angle of 1 horizontal end is 3.5-4.5 °, the spacing of plane where plane where 5 top of point of a knife area and 6 bottom end of cutter hub area
For 0.15mm；Above-mentioned point of a knife 12 includes the platform area 15 for being parallel to operative end surface 11 and the area Rong Xie 14 being obliquely installed, this holds bits
The angle of area 14 and platform area 15 is 14.5-15.5 °；Above-mentioned chip breaking portion 21 has the chip breaking tip 22 for being connected to the area Rong Xie 14,
The top surface inclination at the chip breaking tip 22 is arranged, and the angle of itself and operative end surface 11 is 25 °；One above-mentioned second anticracking portion 4
On be provided with mark concave point；8 end of knife bar is equipped with the mounting groove 81 with fixation hole, inserts in the mounting hole 16 of the cutter hub 1
There is the fixed screw being threadedly connected in fixation hole 82.
Embodiment 2: a kind of high-accuracy NC tools including knife bar 8 and are mounted on the knife of 8 end of knife bar referring to attached drawing 1-6
Body 1, the operative end surface 11 of this cutter hub 1 are diamond shape, and the diagonal angle of each operative end surface 11 is equipped with point of a knife 12, and the work
End face 11 is equipped with diamond shape boss 2, the diamond shape boss 2 with operative end surface 11 weeks it is intermarginal be provided with chip pocket 13, this diamond shape boss 2
Including be set to point of a knife 12 at chip breaking portion 21, around 1 center line of cutter hub setting the first anticracking portion 3 and be distributed in the first anticracking portion 3
Second anticracking portion 4 of two sides；Above-mentioned first anticracking portion 3 divides for the anti-split plot 31 of four arcs, and second anticracking portion 4 is parallel to appearance
The two sides of bits slot 13 are provided with stepped groove 41.
The lateral margin of above-mentioned operative end surface 11 includes point of a knife area 5 and cutter hub area 6, this point of a knife area 5 is obliquely installed, and itself and cutter hub
The angle of 1 horizontal end is 3.5-4.5 °, the spacing of plane where plane where 5 top of point of a knife area and 6 bottom end of cutter hub area
For 0.15mm；Above-mentioned point of a knife 12 includes the platform area 15 for being parallel to operative end surface 11 and the area Rong Xie 14 being obliquely installed, this holds bits
The angle of area 14 and platform area 15 is 14.5-15.5 °；8 end of knife bar is equipped with the mounting groove 81 with fixation hole, the knife
The fixed screw 82 being threadedly connected in fixation hole is inserted in the mounting hole 16 of body 1.
When using above-mentioned high-accuracy NC tools, pass through the design in the first anticracking portion and the second anticracking portion, cooperates with chip breaking
Portion forms diamond shape boss in operative end surface, so that the stress distribution in sintering pressing process is more reasonable, alleviates stress and concentrates
The phenomenon that, waste product can not only be reduced, moreover it is possible to improve cutter hub quality.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (7)
1. a kind of high-accuracy NC tools, it is characterised in that: including knife bar (8) and it is mounted on the cutter hub (1) of knife bar (8) end,
The operative end surface (11) of this cutter hub (1) is diamond shape, and the diagonal angle of each operative end surface (11) is equipped with point of a knife (12), and described
Operative end surface (11) is equipped with diamond shape boss (2), and the diamond shape boss (2) and operative end surface (11) week intermarginal are provided with chip pocket
(13), this diamond shape boss (2) includes chip breaking portion (21) at point of a knife (12), around the first anti-of cutter hub (1) center line setting
It splits portion (3) and is distributed in the second anticracking portion (4) of first anticracking portion (3) two sides.
2. high-accuracy NC tools according to claim 1, it is characterised in that: first anticracking portion (3) is divided into four
The anti-split plot of arc (31), the two sides that second anticracking portion (4) is parallel to chip pocket (13) are provided with stepped groove (41).
3. high-accuracy NC tools according to claim 1, it is characterised in that: the lateral margin of the operative end surface (11) includes
Point of a knife area (5) and cutter hub area (6), this point of a knife area (5) are obliquely installed, and the angle of itself and cutter hub (1) horizontal end is 3.5-
4.5 °, the spacing of plane is 0.15mm where plane where point of a knife area (5) top and cutter hub area (6) bottom end.
4. high-accuracy NC tools according to claim 1, it is characterised in that: the point of a knife (12) includes being parallel to work
The platform area (15) of end face (11) and the area Rong Xie (14) being obliquely installed, this area Rong Xie (14) and the angle of platform area (15) are
14.5-15.5°。
5. high-accuracy NC tools according to claim 4, it is characterised in that: the chip breaking portion (21), which has, is connected to appearance
Consider the chip breaking tip (22) of area (14), the top surface inclination setting of the chip breaking tip (22), and the folder of itself and operative end surface (11) to be worth doing
Angle is 25 °.
6. high-accuracy NC tools according to claim 1, it is characterised in that: opened on second anticracking portion (4)
There is mark concave point.
7. high-accuracy NC tools according to claim 1, it is characterised in that: knife bar (8) end is equipped with solid
Determine the mounting groove (81) in hole, is inserted with the fixed screw being threadedly connected in fixation hole in the mounting hole (16) of the cutter hub (1)
(82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223659.XU CN209532140U (en) | 2018-12-27 | 2018-12-27 | High-accuracy NC tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223659.XU CN209532140U (en) | 2018-12-27 | 2018-12-27 | High-accuracy NC tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209532140U true CN209532140U (en) | 2019-10-25 |
Family
ID=68267079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822223659.XU Active CN209532140U (en) | 2018-12-27 | 2018-12-27 | High-accuracy NC tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209532140U (en) |
-
2018
- 2018-12-27 CN CN201822223659.XU patent/CN209532140U/en active Active
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