CN215845938U - Aviation titanium alloy profile milling cutter - Google Patents
Aviation titanium alloy profile milling cutter Download PDFInfo
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- CN215845938U CN215845938U CN202121846347.XU CN202121846347U CN215845938U CN 215845938 U CN215845938 U CN 215845938U CN 202121846347 U CN202121846347 U CN 202121846347U CN 215845938 U CN215845938 U CN 215845938U
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Abstract
The utility model discloses an aviation titanium alloy profile milling cutter which comprises a cutter handle part and a cutter edge part, wherein the cutter edge part comprises two first cutter edges and two second cutter edges; the bottom blade tooth cutting arc groove is distributed between one first cutting edge and one adjacent second cutting edge, unequal bottom blade tooth and bottom blade tooth concave angles are distributed between the other adjacent second cutting edge, a cone-shaped cutter groove tail is arranged on the periphery of the bottom end of the outer surface of the cutter handle portion, a forming arc groove is arranged at the bottom end, located at the cone-shaped cutter groove tail, of the outer surface of the cutter handle portion, and the cone-shaped cutter groove tail is communicated with the forming arc groove. The utility model integrates multiple cutter functions, can finish the processing of a complex profile surface on a titanium alloy material at one time, does not need to adjust the processing procedure and replace the cutter, greatly improves the working efficiency, obviously improves the processing precision of a workpiece, and has the advantages of firmness, durability and long service life.
Description
Technical Field
The embodiment of the utility model relates to a milling cutter, in particular to an aviation titanium alloy profile milling cutter.
Background
Titanium alloy materials are increasingly widely applied in the fields of aerospace and the like due to the superior performance of the titanium alloy materials. However, the titanium alloy material is difficult to machine by the conventional machining process, and if a relatively complex outline structure needs to be machined, various tools need to be replaced, and the titanium alloy material is subjected to multi-step procedures, so that the operation is complicated, the machining efficiency is low, and the machining cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an aviation titanium alloy contour milling cutter to overcome the defects of the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the aviation titanium alloy profile milling cutter comprises a cutter handle part and a cutter edge part arranged at the bottom end of the cutter handle part, wherein the cutter edge part comprises two first cutting edges and two second cutting edges which are alternately distributed along the circumferential direction; the bottom blade tooth cutting arc groove is distributed between one first cutting edge and one adjacent second cutting edge, unequal bottom blade tooth and bottom blade tooth concave angles are distributed between the other adjacent second cutting edge, a cone-shaped cutter groove tail is arranged on the periphery of the bottom end of the outer surface of the cutter handle portion, a forming arc groove is arranged at the bottom end, located at the cone-shaped cutter groove tail, of the outer surface of the cutter handle portion, and the cone-shaped cutter groove tail is communicated with the forming arc groove.
Further, the two first blades are symmetrically arranged relative to the center of the blade part, and the two second blades are symmetrically arranged relative to the center of the blade part.
Further, a profile forming front cutter surface is arranged at the front end of the forming arc groove, a profile rear cutter surface is arranged at the rear end of the forming arc groove, and the inclination angle of the profile forming front cutter surface is 6-12 degrees.
Further, a bottom blade front cutter face is arranged at the front end of the bottom blade tooth cutting arc groove, and the inclination angle of the bottom blade front cutter face is 3-7 degrees.
Furthermore, one end of the outer surface of the bottom blade cutting tooth arc groove, which is positioned on the front blade surface of the bottom blade, is provided with a bottom blade chip dividing tooth concave angle.
Further, the first cutting edge comprises a first bottom cutting edge back angle and a second bottom cutting edge back angle, the first bottom cutting edge back angle is arranged on one side of the outer surface of the bottom cutting edge tooth cutting arc groove, the second bottom cutting edge back angle is arranged on one side of the outer surface of the bottom cutting edge tooth cutting arc groove, the outer surface of the bottom cutting edge tooth cutting arc groove is located on the one side of the first bottom cutting edge back angle, and the inclination angles of the first bottom cutting edge back angle and the second bottom cutting edge back angle are respectively 7 degrees to 13 degrees and 15 degrees to 23 degrees.
Further, the second cutting edge comprises a first end blade arc R angle relief angle and a second end blade arc R angle relief angle, the first end blade arc R angle relief angle is arranged on the other side of the outer surface of the end blade tooth cutting arc groove, the second end blade arc R angle relief angle is arranged on one side, located at the bottom end of the end blade tooth cutting arc groove, of the end blade arc R angle relief angle, and the inclination angles of the first end blade arc R angle relief angle and the second end blade arc R angle relief angle are 8 degrees, 14 degrees and 16 degrees to 24 degrees respectively.
Furthermore, a bottom tooth transverse edge groove is formed in the center of the bottom end of the cutter handle portion, and unequal-division bottom end teeth are arranged on one side, located on the bottom tooth transverse edge groove, of the bottom end of the cutter handle portion.
Further, one side of the arc groove for forming the cutter handle part is provided with a rear cutter face relief angle of a curved surface of a formed contour, and the other side of the arc groove for forming the contour is provided with a rear cutter support back of the formed contour.
Furthermore, the inclination angle of the concave angle of the bottom blade chip dividing teeth is 1-4.5 degrees.
Compared with the prior art, the aviation titanium alloy profile milling cutter provided by the utility model integrates multiple cutter functions, can finish machining of a complex profile curved surface on a titanium alloy material at one time, does not need to adjust machining procedures or replace cutters, greatly improves the working efficiency, obviously improves the workpiece machining precision, and is firm, durable and long in service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an aerial titanium alloy contour milling cutter according to an embodiment of the utility model;
FIG. 2 is an overall top view of an aerial titanium alloy contour cutter in accordance with an embodiment of the present invention;
FIG. 3 is an overall side view of an aerial titanium alloy contour cutter in accordance with an embodiment of the present invention.
In the figure: 1. a shank portion; 2. a cone-shaped knife slot tail; 3. a profile relief surface; 4. a bottom edge rake face; 5. a bottom blade chip dividing tooth concave angle; 6. a back angle of the bottom edge; 7. a bottom edge secondary relief angle; 8. cutting a tooth arc groove on the bottom blade; 9. the bottom edge arc R is angled by a relief angle; 10. a bottom edge arc angle R is a second relief angle; 11. a bottom tooth transverse blade groove; 12. unequally dividing the bottom end teeth; 13. forming a clearance angle of a rear cutter face of the profile curved surface; 14. molding a profile rake face; 15. forming an arc groove; 16. the contoured back knife supports the back.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached fig. 1-3 of the specification, the aviation titanium alloy contour milling cutter of this embodiment includes shank portion 1 and the cutting edge portion that sets up in shank portion 1 bottom end, its characterized in that: the blade part comprises two first blades and two second blades which are alternately distributed along the circumferential direction; bottom blade tooth cutting arc grooves 8 are distributed between one first cutting edge and one adjacent second cutting edge, unequal bottom tooth 12 and bottom blade tooth concave angles 5 are distributed between the first cutting edge and the other adjacent second cutting edge, cone-shaped cutter groove tails 2 are arranged on the periphery of the bottom end of the outer surface of the cutter handle portion 1, forming arc grooves 15 are formed in the bottom end, located on the cone-shaped cutter groove tails 2, of the outer surface of the cutter handle portion 1, and the cone-shaped cutter groove tails 2 are communicated with the forming arc grooves 15.
Further, the two first blades are symmetrically arranged relative to the center of the blade part, and the two second blades are symmetrically arranged relative to the center of the blade part.
Further, the first cutting edge comprises a base edge primary relief angle 6 and a base edge secondary relief angle 7. The second blade comprises a bottom blade arc R angle first relief angle 9 and a bottom blade arc R angle second relief angle 10.
Further, a profile forming front knife surface 14 is arranged at the front end of the profile forming arc groove 15, a profile rear knife surface 3 is arranged at the rear end of the profile forming arc groove 15, and the profile rear knife surface 3 can be used as a reference surface for cutting a workpiece. Wherein the inclination angle of the rake face of the molding profile is 6-12 degrees.
Further, the front end of the bottom blade tooth cutting arc groove 8 is provided with a bottom blade front blade surface 4, and the bottom blade front blade surface 4 and the molding profile front blade surface 14 directly act on a cut metal layer. Wherein the inclination angle of the rake face of the bottom edge is 3-7 degrees.
Furthermore, one end of the outer surface of the bottom blade cutting tooth circular arc groove 8, which is located on the bottom blade front blade surface 4, is provided with a bottom blade chip dividing tooth concave angle 5, and the bottom blade chip dividing tooth concave angle 5 is used for discharging chips during cutting.
Further, a first bottom blade back angle 6 is arranged on one side of the outer surface of the first bottom blade tooth cutting arc groove 8, a second bottom blade back angle 7 is arranged on one side, located on the first bottom blade back angle 6, of the outer surface of the first bottom blade tooth cutting arc groove 8, and the first bottom blade back angle 6 and the second bottom blade back angle 7 are included angles between a cutting surface and the cutting surface. Wherein, the inclination angles of the first back angle of the bottom blade and the second back angle of the bottom blade are respectively 7 degrees to 13 degrees and 15 degrees to 23 degrees.
Further, the outer surface opposite side of the bottom blade tooth cutting arc groove 8 is provided with a bottom blade arc R angle first relief angle 9, one side of the bottom end of the bottom blade tooth cutting arc groove 8, which is located at the bottom blade arc R angle first relief angle 9, is provided with a bottom blade arc R angle second relief angle 10, and the bottom blade arc R angle first relief angle 9 and the bottom blade arc R angle second relief angle 10 are included angles for processing the workpiece arc groove. Wherein, the inclination angles of the first back angle of the bottom blade arc R angle and the second back angle of the bottom blade arc R angle are respectively 8 degrees to 14 degrees and 16 degrees to 24 degrees.
Further, a bottom tooth transverse edge groove 11 is formed in the center of the bottom end of the tool shank portion 1, unequal-division bottom end teeth 12 are arranged on one side, located on the bottom tooth transverse edge groove 11, of the bottom end of the tool shank portion 1, and the unequal-division bottom end teeth 12 are used for milling a workpiece.
Further, one side of the forming arc groove 15 of the tool shank portion 1 is provided with a forming profile curved surface rear tool face rear angle 13, and the other side of the forming arc groove 15 is provided with a forming profile rear tool support back 16.
Referring to fig. 1 to 3, the aviation titanium alloy contour milling cutter integrates various cutter functions, and during the machining of an aviation titanium alloy workpiece, the machining of a complex profile surface can be realized without changing a cutter or complex process operation, for example, during machining, the profile rear cutter surface 3 can be used as a support surface during cutting the workpiece, the bottom blade front cutter surface 4 and the profile forming front cutter surface 14 directly act on a metal layer to be cut, the cone-shaped cutter groove tail 2 is used for cutting the workpiece into a cone shape, the bottom blade chip dividing tooth concave angle 5 extends from the circumferential cutter edge to the cutter center for preventing the bottom blade from generating resonance with the workpiece surface due to too large bottom blade contact surface during cutting, the inclination angle of the bottom blade chip dividing tooth concave angle 5 is 1-4.5 degrees, the bottom blade first rear angle 6 and the bottom blade second rear angle 7 are included angles between the cutting surface and the cutting surface to form the cutter edge, can effectively reduce like this and produce the cutting resistance between cutter back knife face and the metal, end sword incisor tooth circular arc groove 8 is used for the processing to work piece circular arc groove, and end sword circular arc R angle relief angle 9 and end sword circular arc R angle two relief angles 10 are the contained angle of processing work piece circular arc groove, and end tooth horizontal edge groove 11 mainly guides the chip removal, and the bits that get off of cutting are discharged after taking end tooth chip groove through horizontal edge groove, do not let the bits winding on the cutting edge like this effectual enhancement end tooth cutting edge life-span. The unequally-divided bottom teeth 12 are cutting edges of the main cutter and are used for milling workpieces.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (10)
1. The utility model provides an aviation titanium alloy contour milling cutter, includes shank portion (1) and sets up in the cutting edge portion of shank portion (1) bottom, its characterized in that: the blade part comprises two first blades and two second blades which are alternately distributed along the circumferential direction; bottom blade tooth cutting arc grooves (8) are distributed between one first cutting edge and one adjacent second cutting edge, unequal cutting bottom teeth (12) and bottom blade chip dividing tooth concave angles (5) are distributed between the first cutting edge and the other adjacent second cutting edge, cone-shaped knife groove tails (2) are arranged on the periphery of the bottom end of the outer surface of the knife handle portion (1), forming arc grooves (15) are formed in the bottom end, located on the cone-shaped knife groove tails (2), of the outer surface of the knife handle portion (1), and the cone-shaped knife groove tails (2) are communicated with the forming arc grooves (15).
2. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the two first blades are symmetrically arranged relative to the center of the blade part, and the two second blades are symmetrically arranged relative to the center of the blade part.
3. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the front end of the molding arc groove (15) is provided with a molding profile front knife surface (14), the inclination angle of the molding profile front knife surface (14) is 6-12 degrees, and the rear end of the molding arc groove (15) is provided with a profile rear knife surface (3).
4. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the front end of the bottom blade tooth cutting arc groove (8) is provided with a bottom blade front blade surface (4), and the inclination angle of the bottom blade front blade surface (4) is 3-7 degrees.
5. The aerial titanium alloy contour milling cutter as defined in claim 4, wherein: and a bottom blade chip dividing tooth concave angle (5) is arranged at one end, located on the front cutter face (4), of the outer surface of the bottom blade cutting tooth circular arc groove (8).
6. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the first cutter edge comprises a first bottom cutter edge back angle (6) and a second bottom cutter edge back angle (7), the first bottom cutter edge back angle (6) is arranged on one side of the outer surface of the first bottom cutter edge tooth cutting arc groove (8), the second bottom cutter edge back angle (7) is arranged on one side, located on the outer surface of the first bottom cutter edge tooth cutting arc groove (8), of the first bottom cutter edge back angle (6), and the inclination angles of the second bottom cutter edge back angle (7) are 7 degrees, 13 degrees and 15 degrees to 23 degrees respectively.
7. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the second cutting edge comprises a first end blade arc R angle relief angle (9) and a second end blade arc R angle relief angle (10), the first end blade arc R angle relief angle (9) is arranged on the other side of the outer surface of the end blade tooth cutting arc groove (8), the second end blade arc R angle relief angle (10) is arranged on one side, located on the first end blade arc R angle relief angle (9), of the bottom end blade tooth cutting arc groove (8), and the inclination angles of the first end blade arc R angle relief angle (9) and the second end blade arc R angle relief angle (10) are 8 degrees, 14 degrees and 16 degrees to 24 degrees respectively.
8. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the bottom tooth transverse edge groove (11) is formed in the center of the bottom end of the cutter handle portion (1), and unequal-division bottom end teeth (12) are arranged on one side, located on the bottom tooth transverse edge groove (11), of the bottom end of the cutter handle portion (1).
9. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: one side of hilt portion (1) shaping circular arc slot (15) is provided with shaping profile curved surface back knife face relief angle (13), the opposite side of shaping circular arc slot (15) is provided with shaping profile back knife support back of the body (16).
10. The aerial titanium alloy contour milling cutter as defined in claim 1, wherein: the inclination angle of the bottom edge chip dividing tooth concave angle (5) is 1-4.5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846347.XU CN215845938U (en) | 2021-08-09 | 2021-08-09 | Aviation titanium alloy profile milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846347.XU CN215845938U (en) | 2021-08-09 | 2021-08-09 | Aviation titanium alloy profile milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845938U true CN215845938U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121846347.XU Active CN215845938U (en) | 2021-08-09 | 2021-08-09 | Aviation titanium alloy profile milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845938U (en) |
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2021
- 2021-08-09 CN CN202121846347.XU patent/CN215845938U/en active Active
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