CN216502586U - Novel milling cutter is used in aviation aluminum alloy processing - Google Patents
Novel milling cutter is used in aviation aluminum alloy processing Download PDFInfo
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- CN216502586U CN216502586U CN202123254664.5U CN202123254664U CN216502586U CN 216502586 U CN216502586 U CN 216502586U CN 202123254664 U CN202123254664 U CN 202123254664U CN 216502586 U CN216502586 U CN 216502586U
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Abstract
The utility model belongs to the technical field of machining. Based on the problems that the existing milling cutter is difficult to remove chips when processing aluminum alloy, so that the cutter is easy to damage and the surface of a workpiece is not flat, the utility model discloses a novel milling cutter for processing aviation aluminum alloy, which comprises a cutter handle and a cutter body; core holes are formed in the axial center directions of the cutter handle and the cutter body in a penetrating manner; the cutter body is provided with a cooling liquid hole which is positioned at the bottom of the chip groove and communicated with the core hole; the cutter body is provided with at least two cutting edges which are spirally distributed in the circumferential direction of the cutter body; a plurality of saw teeth which are uniformly distributed are arranged on the rear cutter face of the cutting edge; the chip grooves are spirally formed between the adjacent cutting edges and are consistent with the spiral angle of the cutting edges; the wave blade is in a sawtooth shape and is arranged on the rear cutter face of the blade and the wall face of the chip groove forms a chip dividing groove. The novel milling cutter has smooth chip removal, is not easy to stick a cutter and has long service life.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a novel milling cutter for machining an aviation aluminum alloy.
Background
The aluminum alloy is widely applied to the aviation field as a structural material of the airplane due to the characteristics of light weight, high strength, easy processing and the like.
When the aluminum alloy is machined, because the aluminum alloy material is soft, chip removal difficulty is easy to occur during cutting machining, so that the problems that the cutting edge of a cutter is easy to damage and the surface of a machined workpiece is not flat are solved.
SUMMERY OF THE UTILITY MODEL
Based on the problems that the surface of a workpiece is scratched by chips and a cutter is easily damaged due to the fact that chips are difficult to remove when aluminum alloy is subjected to cutting machining in the prior art, the utility model aims to provide the novel milling cutter for aviation aluminum alloy machining, the milling cutter can smoothly remove the chips, and the cutter can be prevented from being damaged and the workpiece can be protected.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a novel milling cutter is used in processing of aviation aluminum alloy, includes:
a knife handle and a knife body;
the cutter handle and the cutter body are connected and fixed to form an integral milling cutter structure;
the cutter body is provided with:
at least two cutting edges are spirally distributed in the circumferential direction of the cutter body; a plurality of saw teeth which are uniformly distributed are arranged on the cutting edge of the cutting edge;
the chip grooves are spirally formed between the adjacent cutting edges and are consistent with the spiral angle of the cutting edges; the wave blade is in a sawtooth shape and is arranged on the rear cutter face of the blade and the wall face of the chip groove forms a chip dividing groove.
In one technical scheme disclosed by the utility model, core holes are formed in the axial center directions of the cutter handle and the cutter body in a penetrating manner; the cutter body is provided with a cooling liquid hole which is positioned at the bottom of the chip groove and communicated with the core hole.
In one of the technical solutions disclosed in the present invention, the cooling liquid holes are arranged at equal intervals from top to bottom.
In one of the technical solutions disclosed in the present invention, the wave edge is triangular saw-toothed.
In one of the technical solutions disclosed in the present invention, each of the saw teeth is parallel to a cross section of the cutter body.
In one of the technical solutions disclosed in the present invention, the rake face of the cutting edge is a concave arc face.
In one of the technical solutions disclosed in the present invention, both the rake face and the flank face of the blade are processed by surface mirror polishing.
In one technical scheme disclosed by the utility model, the tool also comprises a chip groove which is arranged at the position of the chip groove, which is adjacent to the end surface of the tool body.
In one technical scheme disclosed by the utility model, the cutter body and the cutter handle are integrally formed.
In one of the technical solutions disclosed in the present invention, there are three cutting edges.
1. Through setting up the cutting edge spiral on the cutter body, the blade of cutting edge is the cockscomb structure, has reduced the area of contact with the work piece, vibration when can effectively preventing to reduce cutting operation, and be favorable to reducing the cutting resistance to promote the life of cutting efficiency and cutter.
2. Meanwhile, the rear cutter face of the cutter edge is also provided with a triangular sawtooth-shaped wave cutter, a chip separation groove is formed between the wave cutter and the chip removal groove, so that longer chips can be avoided, smooth chip removal is facilitated, and chips are prevented from scratching the surface of a workpiece.
3. Furthermore, the cutter body and the cutter handle are provided with the core holes in a through mode, the chip grooves are also provided with the cooling liquid holes communicated with the core holes, the cooling liquid can be conveyed to the cutting edge of the milling cutter, the milling cutter is fully cooled and lubricated, cutter sticking and workpiece deformation are prevented, and the service life of the cutter is prolonged.
4. Furthermore, a chip groove is formed between the end edges, so that chips can be discharged quickly, and the chips can be prevented from being blocked.
5. And finally, the front tool face of the cutting edge is provided with a concave cambered surface, so that the chip removal space is increased, and the smooth chip removal is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is an oblique view of the present invention.
Fig. 3 is a bottom plan view of the present invention.
Reference numerals: 1-a knife handle and 2-a knife body; 21-a blade edge; 211-end edge; 212-saw teeth; 213-wave edge; 214-a rake face; 215-flank face; 216-minor relief face; 22-chip groove; 23-chip flutes.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Based on the problems that the existing milling cutter has difficulty in discharging chips due to soft material quality and the cooling liquid cannot be directly contacted with the cutting edge of the milling cutter in the cutting process of an aluminum alloy material, so that the milling cutter is insufficiently cooled, the phenomenon of cutter sticking is very easy to occur, and the milling cutter is damaged and the surface of a workpiece is not flat, the embodiment of the utility model discloses a novel milling cutter for aviation aluminum alloy processing, which has the structure shown in attached figures 1-3 and comprises a cutter handle 1 and a cutter body 2. The novel milling cutter has smooth chip removal, and the cooling liquid can be directly conveyed to the cutting edge of the milling cutter, so that the milling cutter can be fully cooled; is beneficial to improving the cutting efficiency and prolonging the service life of the milling cutter.
Specifically, the cutter handle 1 and the cutter body 2 are integrally formed, wherein a core hole 11 is formed in the axial center direction of the cutter handle 1 and the cutter body 2 in a penetrating manner, and the core hole is communicated with a cooling liquid drain pipe on a milling machine. The cutter body 2 is provided with a cooling liquid hole 12 which is communicated with the core hole 11.
The cutter body 2 is provided with cutting edges 21, chip grooves 22 and chip grooves 23.
Three blades 21 are spirally distributed in the circumferential direction of the cutter body 2. The cutting edge 21 and the end surface of the cutter body 2 form an end cutting edge 211, and the back cutting surface of the end cutting edge 211 is processed to be obtuse. The rear surface 215 of the blade 21 is provided with a plurality of saw teeth 212 which are uniformly distributed, and each saw tooth 212 is parallel to the cross section of the cutter body 21, so that the cutting edge of the blade 21 is in a spiral saw tooth blade shape.
By adopting the sawtooth structure, heat dissipation and chip removal are facilitated; meanwhile, compared with the traditional smooth cutting edge, the serrated cutting edge has the advantages that the contact area between the serrated cutting edge and a workpiece is reduced, the vibration generated by cutting operation can be effectively reduced, the cutting resistance is small, the cutting efficiency is accelerated, and the service life of the cutter is prolonged.
The flutes 22 are helically arranged between two adjacent cutting edges 21, that is, the flutes 22 are helically arranged and equal to the helix angle of the cutting edges 21. The coolant holes 12 are formed in the bottom of the chip groove 22 at equal intervals from top to bottom. By adopting the structure, the cooling liquid can be directly discharged to the cutting edge part of the milling cutter from the cooling liquid hole 12, so that the cutting edge of the milling cutter is fully cooled and lubricated, the cutter sticking and the workpiece deformation are prevented, and the processing efficiency is favorably improved and the service life of the cutter is prolonged.
The chip flutes 23 are disposed between adjacent end edges 211 and are in communication with the chip flutes 22, and the ends of the chip flutes 23 do not extend beyond the axial centerline of the cutter body.
In the present embodiment, the flank surface 215 preferably extends toward the minor flank surface 216 of the cutting edge 21 to form a wavy edge 213. The wave edge 213 is in a triangular-like zigzag shape, and a plurality of chip separation grooves are formed in the wall surface of the chip removal groove 22. By adopting the structure, chips can be divided while being cut, so that the difficulty in chip removal caused by long chips is avoided, and the chips can be prevented from scratching the surface of a workpiece; the triangular saw-toothed shape is beneficial to increasing the sharpness and the strength of the blade part.
As the optimization scheme of this embodiment, the rake surface 214 of the cutting edge 21 is a concave arc surface, and by adopting this design, the chip removal space can be increased, and chip removal can be performed conveniently and rapidly.
As a specific implementation manner of this embodiment, the rake face 214 and the flank face 215 of the cutting edge 21 are both processed by surface mirror polishing, so as to prevent sticking of the cutting edge, which is beneficial to improving the machining precision and prolonging the service life of the cutting tool.
The working mode of the utility model is as follows: when the novel milling cutter disclosed by the embodiment of the utility model is used, the milling cutter disclosed by the embodiment of the utility model is arranged on a machine head of a milling machine, a core hole 11 on the milling cutter is communicated with a cooling liquid drain pipe in the machine head of the milling machine, and cooling liquid is discharged from the core hole 11 and the cooling liquid hole 12 of the cutter body 2 to cool and lubricate the milling cutter.
As can be seen from the above description, the beneficial effects of the present invention are:
the cutting edge is spirally arranged on the cutter body, and the cutting edge of the cutting edge is serrated, so that the contact area with a workpiece is reduced, the vibration during cutting operation can be effectively prevented from being reduced, the cutting resistance is favorably reduced, and the cutting efficiency and the service life of the cutter are improved; meanwhile, the rear cutter face of the cutter edge is also provided with a triangular sawtooth-shaped wave cutter, and a chip separation groove is formed between the rear cutter face and the wall surface of the chip removal groove, so that longer chips can be avoided, smooth chip removal is facilitated, and chips are prevented from scratching the surface of a workpiece; furthermore, the cutter body and the cutter handle are provided with core holes in a through mode, the chip groove is also provided with a cooling liquid hole communicated with the core holes, the cooling liquid can be conveyed to the cutting edge part of the milling cutter, the milling cutter is sufficiently cooled and lubricated, cutter sticking and workpiece deformation are prevented, and the service life of the cutter is prolonged; furthermore, chip grooves are formed between the end blades, so that chips can be discharged quickly, and the chips can be prevented from being blocked; and finally, the front tool face of the cutting edge is provided with a concave cambered surface, so that the chip removal space is increased, and the smooth chip removal is facilitated.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an aviation aluminum alloy processing is with novel milling cutter which characterized in that includes:
a knife handle and a knife body;
the cutter handle and the cutter body are connected and fixed to form an integral milling cutter structure;
the cutter body is provided with:
at least two cutting edges are spirally distributed in the circumferential direction of the cutter body; a plurality of saw teeth which are uniformly distributed are arranged on the rear cutter face of the cutting edge;
the chip grooves are spirally formed between the adjacent cutting edges and are consistent with the spiral angle of the cutting edges; the wave blade is in a sawtooth shape and is arranged on the rear cutter face of the blade and the wall face of the chip groove forms a chip dividing groove.
2. The novel milling cutter for machining aviation aluminum alloy as claimed in claim 1, wherein core holes are formed through the cutter shank and the cutter body in the axial center direction; the cutter body is provided with a cooling liquid hole which is positioned at the bottom of the chip groove and communicated with the core hole.
3. The novel milling cutter for machining aviation aluminum alloy as claimed in claim 2, wherein the coolant holes are arranged at equal intervals from top to bottom.
4. The novel milling cutter for machining aviation aluminum alloy as claimed in claim 1, wherein the wave edge is triangular and serrated.
5. The novel milling cutter for machining aviation aluminum alloy as claimed in claim 1, wherein each of the saw teeth is parallel to a cross section of the cutter body.
6. The novel milling cutter for aviation aluminum alloy machining according to claim 1 or 5, wherein the rake face of the cutting edge is a concave arc face.
7. The novel milling cutter for machining aviation aluminum alloy as claimed in claim 6, wherein the rake face and the flank face of the cutting edge are both treated by surface mirror polishing.
8. The novel milling cutter for aviation aluminum alloy processing as recited in claim 1, further comprising chip flutes disposed at chip flutes adjacent to the end surfaces of the cutter body.
9. The novel milling cutter for aviation aluminum alloy processing as claimed in claim 1, wherein the cutter body and the cutter handle are integrally formed.
10. The novel milling cutter for machining aviation aluminum alloy as claimed in claim 1, wherein the number of the cutting edges is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123254664.5U CN216502586U (en) | 2021-12-23 | 2021-12-23 | Novel milling cutter is used in aviation aluminum alloy processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123254664.5U CN216502586U (en) | 2021-12-23 | 2021-12-23 | Novel milling cutter is used in aviation aluminum alloy processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216502586U true CN216502586U (en) | 2022-05-13 |
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ID=81501884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123254664.5U Active CN216502586U (en) | 2021-12-23 | 2021-12-23 | Novel milling cutter is used in aviation aluminum alloy processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216502586U (en) |
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2021
- 2021-12-23 CN CN202123254664.5U patent/CN216502586U/en active Active
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