CN218253077U - Taper end milling cutter - Google Patents
Taper end milling cutter Download PDFInfo
- Publication number
- CN218253077U CN218253077U CN202222791022.7U CN202222791022U CN218253077U CN 218253077 U CN218253077 U CN 218253077U CN 202222791022 U CN202222791022 U CN 202222791022U CN 218253077 U CN218253077 U CN 218253077U
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- taper
- cutting edge
- transition section
- section
- cutter
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- 238000003801 milling Methods 0.000 title claims description 4
- 230000007704 transition Effects 0.000 claims abstract description 32
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model provides a taper end mill, which comprises a cutter handle part, a taper transition section without a cutting edge, a cylindrical transition section and a taper cutting edge which are connected in sequence; the taper cutting edge is of a cone structure with a cutting edge, the rear end of the taper cutting edge is connected with the cylindrical section and has the same diameter, and the diameter of the taper cutting edge is gradually increased from the front end to the rear end; the first end part of the taper transition section is connected with the cylindrical section and has the same diameter, and the second end part of the taper transition section is connected with the handle part of the cutter and has the same diameter. When deep processing is carried out, the cylindrical connecting section can go deep with the tapered cutting edge, so that abdication is realized; the rigidity of the cutter can be well ensured by the taper transition section without the cutting edge.
Description
Technical Field
The utility model relates to a cutter technical field especially is applied to the cutter of dark chamber conical surface processing, and is specific again, relates to a tapering end mill.
Background
The taper ball end mill is widely applied to machining of a taper face and a back chipping of a deep cavity and machining of parts such as an impeller and a bladed disc at present, the machining efficiency of a cutter is improved by methods of increasing the cutting depth, increasing the rotating speed of the cutter or increasing the number of cutting edges of the cutter, but in the conical surface machining in the prior art, the feeding depth and the cutting depth are increased, the conditions of large cutting resistance and cutter vibration are easy to occur, and the quality of a machined surface is poor. The problem of unsmooth chip removal is easily caused by increasing the tooth number of the cutter. Under the high-efficient processing operating mode, the impact that the cutter bore can also increase thereupon, has also proposed higher requirement to the intensity of cutter, and this kind of cutter tapering bulb end mill of prior art adopts long cylinder to link to stalk portion after the tapering cutting edge is ended, and the cutter rigidity is relatively poor to influence the cutting performance of cutter, machining efficiency is low, and the processing work piece quality is not high.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a taper end mill for solving the above problems.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
a taper end mill comprises a tool shank, a taper transition section without a cutting edge, a cylindrical connecting section and a taper cutting edge which are connected in sequence; the taper cutting edge is of a cone structure with a cutting edge, the rear end of the taper cutting edge is connected with the cylindrical connecting section and has the same diameter, and the diameter of the taper cutting edge is gradually increased from the front end to the rear end; the first end part of the taper transition section is connected with the cylindrical connecting section and has the same diameter, and the second end part of the taper transition section is connected with the handle part of the cutter and has the same diameter.
Furthermore, the conical surface of the conical cutting edge is parallel to the conical surface of the conical transition section.
Furthermore, the height clearance between the conical surface of the conical transition section and the extension line of the conical surface of the conical cutting edge is 0.05mm-0.3mm.
Furthermore, the cutter handle part, the taper transition section, the cylindrical connecting section and the taper cutting edge are of an integrated connecting structure.
Furthermore, the length of the cylindrical connecting section is 0.5-5mm.
Furthermore, the front end of the taper cutting edge forms a ball head part, and a ball head cutting edge is arranged on the ball head part to form the ball head end mill.
Through the utility model provides a technical scheme has following beneficial effect:
according to the taper end milling cutter, through optimization of the structure between the tail end of the taper cutting edge and the cutter handle part, namely the cylindrical connecting section and the taper transition section without the cutting edge are sequentially added between the taper cutting edge and the cutter handle part, when deep processing is carried out, the cylindrical connecting section can go deep with the taper cutting edge, the taper transition section without the cutting edge does not generate interference, and abdication is realized; the rigidity of the cutter can be well ensured by the taper transition section without the cutting edge.
Drawings
FIG. 1 is a schematic perspective view of a tapered ball nose end mill according to an embodiment;
FIG. 2 is a side view of an embodiment of a tapered ball nose end mill;
FIG. 3 is an enlarged schematic view of area A of FIG. 2;
fig. 4 is a partial structural schematic view of the tapered ball nose end mill in the embodiment.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 3, the tapered ball end mill provided by the present embodiment includes a tool shank 4, a taper transition section 3 without a cutting edge, a cylindrical connecting section 2, and a taper cutting edge 1, which are connected in sequence; the taper cutting edge 1 is a cone structure with a cutting edge, namely, the cutting edge is processed on the cone structure. The rear end of the taper cutting edge 1 is connected with the cylindrical connecting section 2, the diameters of the taper cutting edge 1 are the same, and the diameters of the taper cutting edge 1 from the front end to the rear end are gradually increased. The first end part of the taper transition section 3 is connected with the cylindrical connecting section 2 and has the same diameter, and the second end part of the taper transition section 3 is connected with the tool handle part 1 and has the same diameter.
According to the taper ball end mill, the structure between the tail end (namely the first end) of the taper cutting edge 1 and the cutter handle part 4 is optimized, namely the cylindrical connecting section 2 and the taper transition section 3 without the cutting edge are sequentially added between the taper cutting edge 1 and the cutter handle part 4, when deep processing is carried out, the cylindrical connecting section 2 can go deep with the taper cutting edge 1, the taper transition section without the cutting edge does not generate interference, and abdication is realized; the external diameter of the taper transition section 3 without the cutting edge is gradually increased from the joint end with the taper cutting edge to the joint end of the tool shank, so that the rigidity of the tool can be well ensured.
In one embodiment of the utility model, the length of the cylindrical connecting section of the taper ball end mill is 0.5-5mm.
Specifically, in this embodiment, the conical surface of the conical transition section 3 is parallel to the conical surface of the conical cutting edge 1, as shown in fig. 4, the extension line a of the conical surface of the conical transition section 3 is parallel to the extension line a of the conical surface of the conical cutting edge 1, and the same process and apparatus can be used for processing. More specifically, the height clearance L between the conical surface of the conical transition section 3 and the extension line a of the conical surface of the conical cutting edge 1 is 0.05mm-0.3mm; the distance L is determined by the length of the cylindrical connecting section 2, but of course, in other embodiments, when the cylindrical connecting section 2 is longer, the distance L between the conical surface of the conical transition section 3 and the extension line a of the conical surface of the conical cutting edge 1 will also change.
The tool handle part 4, the taper transition section 3, the cylindrical connecting section 2 and the taper cutting edge 1 are of an integral connecting structure, namely, the tool handle part, the taper transition section 3, the cylindrical connecting section 2 and the taper cutting edge 1 are directly machined and formed on a bar, and specifically, the bar is made of one or more materials of high-speed steel, hard alloy, CBN and PCD.
The utility model relates to an in the embodiment, the front end of tapering cutting edge forms bulb portion, and is equipped with the bulb cutting edge on the bulb portion, forms bulb end mill, and under high-efficient processing operating mode, this kind of cutter tapering bulb end mill adopts cylinder linkage segment 2 and the tapering changeover portion 3 of no cutting edge to link to each other to the stalk portion after the tapering cutting edge is closed, and the cutter rigidity is big, and cutting performance increases, and the processing work piece quality is showing and is improving.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A tapered end mill characterized by: the cutting tool comprises a tool shank, a taper transition section without a cutting edge, a cylindrical connecting section and a taper cutting edge which are connected in sequence; the taper cutting edge is of a cone structure with a cutting edge, the rear end of the taper cutting edge is connected with the cylindrical connecting section and has the same diameter, and the diameter of the taper cutting edge is gradually increased from the front end to the rear end; the first end of the taper transition section is connected with the cylindrical connecting section and has the same diameter, and the second end of the taper transition section is connected with the handle of the tool and has the same diameter.
2. The tapered end mill according to claim 1, wherein: the conical surface of the taper cutting edge is parallel to the conical surface of the taper transition section.
3. The tapered end mill according to claim 2, wherein: the height gap between the conical surface of the conical transition section and the extension line of the conical surface of the conical cutting edge is 0.05mm-0.3mm.
4. The tapered end mill according to claim 1, wherein: the cutter handle part, the taper transition section, the cylindrical connecting section and the taper cutting edge are of an integral connecting structure.
5. The tapered end mill according to claim 1, wherein: the length of the cylindrical connecting section is 0.5-5mm.
6. The taper end mill according to any one of claims 1 to 5, wherein: the front end of the taper cutting edge forms a ball head part, and a ball head cutting edge is arranged on the ball head part to form the ball head end milling cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791022.7U CN218253077U (en) | 2022-10-24 | 2022-10-24 | Taper end milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791022.7U CN218253077U (en) | 2022-10-24 | 2022-10-24 | Taper end milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218253077U true CN218253077U (en) | 2023-01-10 |
Family
ID=84753412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222791022.7U Active CN218253077U (en) | 2022-10-24 | 2022-10-24 | Taper end milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218253077U (en) |
-
2022
- 2022-10-24 CN CN202222791022.7U patent/CN218253077U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231219 Address after: 361006, No. 69, prosperous road, Huli District, Fujian, Xiamen Patentee after: XIAMEN GOLDEN EGRET SPECIAL ALLOY Co.,Ltd. Address before: 361000 Unit 103, No. 5, South Fangshan Road, Torch High tech Zone (Xiang'an) Industrial Zone, Xiamen, Fujian Patentee before: Xiamen Bereton New Materials Co.,Ltd. |
|
| TR01 | Transfer of patent right |