CN216227152U - Octagonal surface milling blade - Google Patents
Octagonal surface milling blade Download PDFInfo
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- CN216227152U CN216227152U CN202122933888.2U CN202122933888U CN216227152U CN 216227152 U CN216227152 U CN 216227152U CN 202122933888 U CN202122933888 U CN 202122933888U CN 216227152 U CN216227152 U CN 216227152U
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- octagonal
- cutting edge
- blade
- milling insert
- face milling
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Abstract
The utility model relates to a milling cutter, in particular to an octagonal milling cutter blade, which comprises: the device comprises an upper surface, a lower surface, eight side surfaces connecting the upper surface and the lower surface, and arc transition surfaces positioned between the adjacent side surfaces; the upper surface and the side surface are intersected to form a main cutting edge, and the upper surface and the arc transition surface are intersected to form a secondary cutting edge; the eight side surfaces and the eight arc transition surfaces are intersected with the upper surface together to form an octagonal cutting structure of the blade; the octagonal cutting edge is adopted, so that the blade has good chip removal performance, small cutting resistance, strong impact resistance and strong service life stability; the finish of the processing surface is high, and the service life stability is strong; the method is suitable for processing steel pieces/stainless steel/cast iron/titanium alloy/nickel-based alloy; is suitable for processing occasions with higher rotating speed.
Description
Technical Field
The utility model relates to a milling cutter, in particular to an octagonal milling blade, and belongs to the field of metal cutting machining.
Background
The surface precision of a workpiece cannot be ensured by the conventional face milling blade under the rough working condition; when the cutting depth is larger, high-feed cutting is carried out, the resistance bearing degree is larger, the impact resistance of the cutting edge is poor, the rapid abrasion of the blade can be caused by the factors, and the service life of the blade is short; meanwhile, chips are difficult to discharge in the cutting process, the cutting load is large, a large amount of cutting heat is generated, and the cutting heat is difficult to dissipate, so that the cutting temperature is high, the cutter is frequently replaced, time and labor are consumed, and the cutting machine is not suitable for high-rotation-speed machining occasions.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the octagonal face milling blade which adopts an octagonal cutting edge to achieve the purposes of good chip removal performance, small cutting resistance, strong impact resistance and strong service life stability.
In order to achieve the purpose, the utility model adopts the technical scheme that: an octagonal face milling insert comprising: the device comprises an upper surface, a lower surface, eight side surfaces connecting the upper surface and the lower surface, and arc transition surfaces positioned between the adjacent side surfaces; the upper surface and the side surface are intersected to form a main cutting edge, and the upper surface and the arc transition surface are intersected to form a secondary cutting edge; the eight side surfaces and the eight arc transition surfaces are intersected with the upper surface together to form an octagonal cutting structure of the blade;
further, each side surface is obliquely arranged from the upper surface to the lower surface towards the center of the blade;
further, a mounting hole is formed in the center of the blade body, and the diameter of the mounting hole is gradually reduced from the upper surface to the lower surface of the blade and is in a step shape;
furthermore, the main cutting edge and the auxiliary cutting edge form a cutting edge, and a chamfered surface is arranged on the cutting edge;
further, the chamfer surface extends towards the center of the blade at a preset angle to form a front cutter surface;
furthermore, the upper surface is provided with an upper boss, and the upper boss and the lower surface are used as positioning surfaces during cutting;
furthermore, the side surface of the upper boss and the rake surface are intersected to form an annular groove of the whole blade;
furthermore, a plurality of radial grooves are arranged in the annular groove, and the radial grooves are uniformly arranged in the annular groove formed by intersecting the rake face corresponding to each side face and the side surface of the upper boss by taking a plurality of radial grooves as a unit; the radial groove is a heat dissipation groove which plays a role in heat dissipation in the machining process.
Furthermore, the number of the radial grooves in the annular groove formed by the intersection of the rake face corresponding to each side face and the side surface of the upper boss is 3, and the 3 radial grooves are arranged in a radial parallel manner.
Furthermore, the lower surface is of an octagonal plane structure.
The utility model has the beneficial effects that:
the octagonal cutting edge is adopted, so that the blade has good chip removal performance, small cutting resistance, strong impact resistance and strong service life stability; the finish of the processing surface is high, and the service life stability is strong; the method is suitable for processing steel pieces/stainless steel/cast iron/titanium alloy/nickel-based alloy; is suitable for processing occasions with higher rotating speed.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
In the figure, 1, an upper surface, 2, a lower surface, 3, a side surface, 4, a circular arc transition surface, 5, a main cutting edge, 6, a secondary cutting edge, a cutting edge, 7, a chamfer surface, 8, a rake surface, 9, an upper boss, 10, an annular groove, 11, a radial groove, 12 and a mounting hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
As shown in fig. 1-3, an octagonal face milling insert, comprising: the structure comprises an upper surface 1, a lower surface 2, eight side surfaces 3 connecting the upper surface 1 and the lower surface 2, and arc transition surfaces 4 positioned between the adjacent side surfaces 3; the upper surface 1 and the side surface 3 intersect to form a main cutting edge 5, and the upper surface 1 and the arc transition surface 4 intersect to form a secondary cutting edge 6; the eight side surfaces 3 and the eight arc transition surfaces 4 are intersected with the upper surface 1 together to form an octagonal cutting structure of the blade;
the side surface 3 of the face milling insert is used as a positioning surface for cutting the insert, and the side surface 3 functioning as a positioning surface is different when different edges are used.
Furthermore, each side surface 3 is obliquely arranged from the upper surface 1 to the lower surface 2 towards the center of the blade;
further, a mounting hole 12 is formed in the center of the blade body, and the diameter of the mounting hole 12 is gradually reduced from the upper surface 1 of the blade to the lower surface 2 of the blade and is in a step shape;
furthermore, the main cutting edge 5 and the auxiliary cutting edge 6 form a cutting edge a, and a chamfered surface 7 is arranged on the cutting edge a;
based on above-mentioned technical scheme, chamfer 7 can effectively balance the intensity and the steadiness of the cutting edge of undertaking cutting operation, strengthens the wear resistance of cutting edge, has effectively improved the life of blade. Specifically, in milling, the insert shears the workpiece material, and is subjected to a large cutting force, while the insert is subjected to an impact every time it cuts into and out of the workpiece material. The proper chamfered surface 7 can ensure the strength of the blade and ensure the blade to have enough sharpness.
Further, the chamfer surface 7 extends towards the center of the blade at a preset angle to form a rake surface 8;
further, the upper surface 1 is provided with an upper boss 9, and the upper boss 9 and the lower surface 1 are used as positioning surfaces during cutting;
further, the side surface of the upper boss 9 and the rake face 8 intersect to form an annular groove 10 of the whole insert;
furthermore, a plurality of radial grooves 11 are arranged in the annular groove 10, and the plurality of radial grooves 11 are uniformly arranged in the annular groove 11 formed by the intersection of the rake face 8 corresponding to each side face 3 and the side surface of the upper boss 9 by taking a plurality of radial grooves 11 as a unit; the radial grooves 11 are heat dissipation grooves which play a role in dissipating heat during machining, so that the cutting temperature is reduced.
In this embodiment, the number of the radial grooves 11 arranged in the annular groove 11 formed by the intersection of the rake face 8 corresponding to each side face 3 and the side surface of the upper boss 9 is 3, and the 3 radial grooves 11 are arranged in parallel in the radial direction.
Further, the lower surface 2 is of an octagonal plane structure.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "lower", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.
Claims (10)
1. An octagonal face milling insert, comprising: the device comprises an upper surface, a lower surface, eight side surfaces connecting the upper surface and the lower surface, and arc transition surfaces positioned between the adjacent side surfaces; the upper surface and the side surface are intersected to form a main cutting edge, and the upper surface and the arc transition surface are intersected to form a secondary cutting edge; the eight side surfaces and the eight arc transition surfaces are intersected with the upper surface together to form an octagonal cutting structure of the blade.
2. The octagonal face milling insert of claim 1, wherein: each side surface is obliquely arranged from the upper surface to the lower surface towards the center of the blade.
3. The octagonal face milling insert of claim 1, wherein: the blade body center is provided with the mounting hole, and the diameter of mounting hole reduces from the blade upper surface to the lower surface gradually, is the ladder shape.
4. The octagonal face milling insert of claim 1, wherein: the main cutting edge and the auxiliary cutting edge form a cutting edge, and a chamfered surface is arranged on the cutting edge.
5. The octagonal face milling insert of claim 4, wherein: the chamfer surface extends towards the center of the blade at a preset angle to form a rake surface.
6. The octagonal face milling insert of claim 5, wherein: the upper surface is provided with an upper boss, and the upper boss and the lower surface are used as positioning surfaces during cutting.
7. The octagonal face milling insert of claim 6, wherein: the side surface of the upper boss and the rake face intersect to form an annular groove of the whole insert.
8. The octagonal face milling insert of claim 7, wherein: the annular groove is internally provided with a plurality of radial grooves which are uniformly arranged in the annular groove formed by intersecting the front tool face corresponding to each side face and the side surface of the upper boss by taking a plurality of radial grooves as units.
9. The octagonal face milling insert of claim 8, wherein: the number of radial grooves in an annular groove formed by intersecting the rake face corresponding to each side face and the side surface of the upper boss is 3, and the 3 radial grooves are arranged in a radial parallel mode.
10. The octagonal face milling insert of claim 1, wherein: the lower surface is an octagonal plane structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122933888.2U CN216227152U (en) | 2021-11-26 | 2021-11-26 | Octagonal surface milling blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122933888.2U CN216227152U (en) | 2021-11-26 | 2021-11-26 | Octagonal surface milling blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216227152U true CN216227152U (en) | 2022-04-08 |
Family
ID=80959512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122933888.2U Active CN216227152U (en) | 2021-11-26 | 2021-11-26 | Octagonal surface milling blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216227152U (en) |
-
2021
- 2021-11-26 CN CN202122933888.2U patent/CN216227152U/en active Active
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