CN211071976U - End milling cutter capable of reducing machining vibration - Google Patents
End milling cutter capable of reducing machining vibration Download PDFInfo
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- CN211071976U CN211071976U CN201921878054.2U CN201921878054U CN211071976U CN 211071976 U CN211071976 U CN 211071976U CN 201921878054 U CN201921878054 U CN 201921878054U CN 211071976 U CN211071976 U CN 211071976U
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Abstract
An end mill for reducing machining vibration comprises a cutter handle and a cutter head; the periphery of the cutter head is sequentially provided with a first circumferential blade, a second circumferential blade, a third circumferential blade and a fourth circumferential blade along the clockwise direction; spiral chip grooves are formed between the rear end of the first circumferential blade and the front end of the second circumferential blade, between the rear end of the second circumferential blade and the front end of the third circumferential blade, between the rear end of the third circumferential blade and the front end of the fourth circumferential blade, and between the rear end of the fourth circumferential blade and the front end of the first circumferential blade, and the longitudinal sections of the chip grooves are arc-shaped and have the same radius; on the same longitudinal section of the cutter head, the angle between the first circumferential edge and the second circumferential edge, the angle between the second circumferential edge and the third circumferential edge, the angle between the third circumferential edge and the fourth circumferential edge and the angle between the fourth circumferential edge and the first circumferential edge are different; the rake angles of the first circumferential edge, the second circumferential edge, the third circumferential edge and the fourth circumferential edge are different from each other.
Description
Technical Field
The utility model belongs to the technical field of machining, especially a reduce end milling cutter of processing vibration.
Background
As manufacturing progresses, milling cutters are a very important tool in manufacturing. The end milling cutter is the most used milling cutter on a numerical control machine tool, and cutting cutters are arranged on the cylindrical surface and the end surface of the end milling cutter, can cut simultaneously or independently and are mainly used for plane milling, groove milling, step surface milling and profiling milling. In the machining process, the vibration frequency of a workpiece cut by the milling cutter is the same, so that the milling cutter and the workpiece are knocked at high frequency, the machining sound is large, the quality of the machined surface is not high, and the service life of the cutter is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reduce end mill of processing vibration, it can reduce the vibration in the cutter processing, improves the machined surface quality, improves the cutter life-span, reduces the processing cost of enterprise, improves machining efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an end mill for reducing machining vibration comprises a cylindrical cutter handle, wherein the tail end of the cutter handle is provided with a cutter head; the periphery of the cutter head is sequentially provided with a first circumferential blade, a second circumferential blade, a third circumferential blade and a fourth circumferential blade along the clockwise direction; the first circumferential blade, the second circumferential blade, the third circumferential blade and the fourth circumferential blade are in a spiral shape and have the same spiral direction, spiral chip grooves are formed between the rear end of the first circumferential blade and the front end of the second circumferential blade, between the rear end of the second circumferential blade and the front end of the third circumferential blade, between the rear end of the third circumferential blade and the front end of the fourth circumferential blade and between the rear end of the fourth circumferential blade and the front end of the first circumferential blade, and the longitudinal sections of the chip grooves are arc-shaped and have the same radius; on the same longitudinal section of the cutter head, the angle between the first circumferential edge and the second circumferential edge, the angle between the second circumferential edge and the third circumferential edge, the angle between the third circumferential edge and the fourth circumferential edge and the angle between the fourth circumferential edge and the first circumferential edge are different; the rake angles of the first circumferential edge, the second circumferential edge, the third circumferential edge and the fourth circumferential edge are different from each other.
In one embodiment, the first, second, third and fourth circumferential edges have different radii of the front end curved surfaces on the same longitudinal section of the tool bit.
In one embodiment, the front end curved surfaces of the first circumferential edge, the second circumferential edge, the third circumferential edge and the fourth circumferential edge are mirror polished surfaces.
In one embodiment, the radius of the front end curved surface of the first circumferential blade is 5.5mm, the radius of the front end curved surface of the second circumferential blade is 6mm, the radius of the front end curved surface of the third circumferential blade is 6.5mm, and the radius of the front end curved surface of the fourth circumferential blade is 5 mm.
In one embodiment, the angle between the first and second circumferential edges is 92 degrees, the angle between the second and third circumferential edges is 85 degrees, the angle between the third and fourth circumferential edges is 96 degrees, and the angle between the fourth circumferential edge and the first circumferential edge is 87 degrees.
In one embodiment, the radius of the arc of the longitudinal section of the chip flute is 8 mm.
The utility model has the advantages that: the utility model discloses reduce the end milling cutter of processing vibration, it can reduce the vibration in the cutter processing, improves the processing surface quality, improves the cutter life-span, reduces the processing cost of enterprise, improves machining efficiency.
Drawings
Fig. 1 is a schematic structural view of the end mill for reducing machining vibration according to the present invention.
Fig. 2 is a sectional view taken in the direction of a-a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 2.
Detailed Description
In order to make the technical solution and the advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the following embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the utility model provides an end mill for reducing machining vibration, which comprises a cylindrical tool shank 1, wherein a tool bit 2 is arranged at the end of the tool shank 1. The cutter head 2 is provided with a first circumferential blade 21, a second circumferential blade 22, a third circumferential blade 23 and a fourth circumferential blade 24 on the outer periphery thereof in the clockwise direction. The first circumferential blade 21, the second circumferential blade 22, the third circumferential blade 23 and the fourth circumferential blade 24 are helical and have the same helical direction, helical chip flutes 3 are arranged between the rear end of the first circumferential blade 21 and the front end of the second circumferential blade 22, between the rear end of the second circumferential blade 22 and the front end of the third circumferential blade 23, between the rear end of the third circumferential blade 23 and the front end of the fourth circumferential blade 24 and between the rear end of the fourth circumferential blade 24 and the front end of the first circumferential blade 21, and the longitudinal section of each chip flute 3 is arc-shaped, has the same radius, and is preferably 8 mm. On the same longitudinal section of the cutting head 2, the angle between the first circumferential edge 21 and the second circumferential edge 22, the angle between the second circumferential edge 22 and the third circumferential edge 23, the angle between the third circumferential edge 23 and the fourth circumferential edge 24, and the angle between the fourth circumferential edge 24 and the first circumferential edge 21 are different from each other. Specifically, the angle between the first circumferential edge 21 and the second circumferential edge 22 is 92 degrees, the angle between the second circumferential edge 22 and the third circumferential edge 23 is 85 degrees, the angle between the third circumferential edge 23 and the fourth circumferential edge 24 is 96 degrees, and the angle between the fourth circumferential edge 24 and the first circumferential edge 21 is 87 degrees.
The rake angles of the first circumferential edge 21, the second circumferential edge 22, the third circumferential edge 23, and the fourth circumferential edge 24 are different from each other, and the radii of the front end curved surfaces of the first circumferential edge 21, the second circumferential edge 22, the third circumferential edge 23, and the fourth circumferential edge 24 are different from each other on the same longitudinal section of the blade 2. Specifically, the radius of the leading curved surface 211 of the first circumferential edge 21 is 5.5mm, the radius of the leading curved surface 221 of the second circumferential edge 22 is 6mm, the radius of the leading curved surface 231 of the third circumferential edge 23 is 6.5mm, and the radius of the leading curved surface 241 of the fourth circumferential edge 24 is 5 mm. In order to improve the strength of the blade and the space for discharging chips, the front end curved surfaces of the first circumferential blade 21, the second circumferential blade 22, the third circumferential blade 23 and the fourth circumferential blade 24 are all mirror-finished and are mirror-finished surfaces.
The utility model discloses an end milling cutter, end sword have adopted the cutting edge to cross the design of symmetry axis, and the anterior angle of every circumference sword is different, and corresponding every sword anterior angle preparation radian is different, makes the cutting force of every sword man-hour change in the processing, has broken the law of current same cutting edge and cutting force, and the vibration frequency who makes milling cutter processing changes, has reduced the vibration of the neutral milling cutter in the processing. The utility model discloses it is different to set for the angle between the circumference sword simultaneously, and milling cutter has better radiating effect during processing, and the circumference sword has suitable ratio, and mirror surface treatment has been done to the anterior angle, provides sufficient intensity and chip removal space.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.
Claims (6)
1. An end mill for reducing machining vibration, characterized in that: the tool comprises a cylindrical tool handle, wherein a tool bit is arranged at the tail end of the tool handle; the periphery of the cutter head is sequentially provided with a first circumferential blade, a second circumferential blade, a third circumferential blade and a fourth circumferential blade along the clockwise direction; the first circumferential blade, the second circumferential blade, the third circumferential blade and the fourth circumferential blade are in a spiral shape and have the same spiral direction, spiral chip grooves are formed between the rear end of the first circumferential blade and the front end of the second circumferential blade, between the rear end of the second circumferential blade and the front end of the third circumferential blade, between the rear end of the third circumferential blade and the front end of the fourth circumferential blade and between the rear end of the fourth circumferential blade and the front end of the first circumferential blade, and the longitudinal sections of the chip grooves are arc-shaped and have the same radius; on the same longitudinal section of the cutter head, the angle between the first circumferential edge and the second circumferential edge, the angle between the second circumferential edge and the third circumferential edge, the angle between the third circumferential edge and the fourth circumferential edge and the angle between the fourth circumferential edge and the first circumferential edge are different; the rake angles of the first circumferential edge, the second circumferential edge, the third circumferential edge and the fourth circumferential edge are different from each other.
2. The end mill for reducing machining vibrations according to claim 1, wherein: on the same longitudinal section of the tool bit, the radiuses of the front end curved surfaces of the first circumferential edge, the second circumferential edge, the third circumferential edge and the fourth circumferential edge are different.
3. The end mill for reducing machining vibrations according to claim 2, wherein: the front end curved surfaces of the first circumferential edge, the second circumferential edge, the third circumferential edge and the fourth circumferential edge are mirror polished surfaces.
4. The end mill for reducing machining vibrations according to claim 2 or 3, wherein: the radius of the front end curved surface of the first circumferential blade is 5.5mm, the radius of the front end curved surface of the second circumferential blade is 6mm, the radius of the front end curved surface of the third circumferential blade is 6.5mm, and the radius of the front end curved surface of the fourth circumferential blade is 5 mm.
5. An end mill with reduced machining vibrations according to claim 1, 2 or 3, characterized in that: the angle between the first circumferential edge and the second circumferential edge is 92 degrees, the angle between the second circumferential edge and the third circumferential edge is 85 degrees, the angle between the third circumferential edge and the fourth circumferential edge is 96 degrees, and the angle between the fourth circumferential edge and the first circumferential edge is 87 degrees.
6. An end mill with reduced machining vibrations according to claim 1, 2 or 3, characterized in that: and the arc radiuses of the longitudinal sections of the chip flutes are all 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921878054.2U CN211071976U (en) | 2019-10-31 | 2019-10-31 | End milling cutter capable of reducing machining vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921878054.2U CN211071976U (en) | 2019-10-31 | 2019-10-31 | End milling cutter capable of reducing machining vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211071976U true CN211071976U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921878054.2U Active CN211071976U (en) | 2019-10-31 | 2019-10-31 | End milling cutter capable of reducing machining vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211071976U (en) |
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2019
- 2019-10-31 CN CN201921878054.2U patent/CN211071976U/en active Active
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