CN211331509U - Left-handed and right-handed T-shaped milling cutter - Google Patents
Left-handed and right-handed T-shaped milling cutter Download PDFInfo
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- CN211331509U CN211331509U CN201821968486.8U CN201821968486U CN211331509U CN 211331509 U CN211331509 U CN 211331509U CN 201821968486 U CN201821968486 U CN 201821968486U CN 211331509 U CN211331509 U CN 211331509U
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Abstract
The utility model belongs to the technical field of cutting tools, in particular to a left-handed and right-handed T-shaped milling cutter, which comprises a cutter handle and a cutting part at the front end of the cutter handle, wherein the cutting part is provided with three left-handed spiral cutting edges, the cutting edges extend from the front end of the cutting part to the rear end of the cutting part, the longitudinal section of the cutting part is in an I shape, the cutting part comprises a first cutting part and a second cutting part, the first cutting part and the second cutting part are connected through a connecting part, the rear end of the second cutting part is an inverted cone connected with a cutter neck, the front end of the cutter neck is connected with the rear end of the second cutting part through a cylindrical transition part, the outer diameter of the transition part is smaller than the minimum outer diameter of the second cutting part, the length of the first cutting part is 2.5mm, the outer diameter of the first cutting part is 11mm, the outer diameter of the connecting part is 5.8mm, the outer diameter of the second cutting part is 12mm, the length of the second cutting part is 2.8mm, the length, the total length of the cutting part is 8.76mm, and the cutting part can directly cut and process an I-shaped groove, so that the cutting efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of cutting tool, concretely relates to T type milling cutter is cut on left-hand rotation right side.
Background
The metal cutting machining is one of the main metal part forming modes at present, has the characteristics of high efficiency and high forming precision, and can mill the appearance structure, the internal structure and the like of a workpiece. For ordinary groove cutting, the existing milling cutter can be directly processed, however, the structure of the existing workpiece is more and more complex and smaller, for example, a mobile phone shell is provided with a required special-shaped groove like an I-shaped groove, the existing cutter is difficult to process, a plurality of cutters need to be replaced, the processing time is long, and the processing precision is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned defect, provide the levogyration right side and cut T type milling cutter, but the direct cutting processing I shape slot improves cutting processing's efficiency.
The utility model provides a technical scheme that its technical problem adopted as follows:
a left-handed and right-handed T-shaped milling cutter comprises a cutter handle and a cutting part at the front end of the cutter handle, wherein the cutting part is provided with three left-handed spiral cutting edges, the cutting edges extend to the rear end of the cutting part from the front end of the cutting part, the three cutting edges are converged at the front end of the cutting part, the longitudinal section of the cutting part is I-shaped, the cutting part comprises a first cutting part and a second cutting part from front to back, the first cutting part and the second cutting part are connected through a connecting part, the rear end of the second cutting part is an inverted conical surface connected with a cutter neck, the front end of the cutter neck is connected with the rear end of the second cutting part through a cylindrical transition part, the outer diameter of the transition part is smaller than the minimum outer diameter of the second cutting part, the length of the first cutting part is 2.5mm, the outer diameter of the first cutting part is 11mm, the outer diameter of the connecting part is 5.8mm, the outer diameter of the second cutting part is 12mm, the length of the second cutting part is 2.8mm, the length of the, the total length of the cutting part is 8.76 mm.
Furthermore, the rear end of the first cutting part is of an inverted cone structure.
Further, the knife neck still includes the toper section, and the less front end of toper section meets with transition portion rear end, and the great rear end of toper section meets with the handle of a knife.
Furthermore, the front part of the knife handle close to the knife neck is provided with a plurality of uniformly distributed annular grooves, energy-absorbing fillers are embedded in the annular grooves, and the surfaces of the fillers are flush with the peripheral surface of the knife handle.
The utility model has the advantages that: by adopting the scheme, the groove of the I-shaped structure can be directly machined by the structure of the cutting part, the cutting part can be used for machining a common groove, sufficient operation space is reserved for cutting by the structure of the cutter neck, the risk of cutter breakage in machining of the cutter is reduced, the machining stability is improved, and the quality precision of cutting machining is greatly improved.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic cross-sectional structure diagram of the present invention.
Fig. 2 is a schematic view of the middle cutting edge of the present invention.
Wherein: 1 is a knife handle, 11 is an annular groove, 2 is a cutting edge, 21 is a first cutting part, 22 is a second cutting part, 23 is a connecting part, 3 is a knife neck, 31 is a transition part, 31 is a conical section, and 4 is a filler.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1: referring to fig. 1 and 2, the left-handed and right-handed T-shaped milling cutter comprises a cutter handle 1 and a cutting part at the front end of the cutter handle 1, the cutting part is provided with three left-handed spiral cutting edges 2, the cutting edges 2 extend from the front end of the cutting part to the rear end of the cutting part, spiral chip-removing grooves are formed between adjacent cutting edges, the longitudinal section of the cutting part is i-shaped, the cutting part comprises a first cutting part 21 and a second cutting part 22 from front to back, the first cutting part 21 and the second cutting part 22 are connected through a connecting part 23, the outer diameter of the first cutting part 21 is 11mm, the outer diameter of the second cutting part is 12mm, the outer diameter of the connecting part 23 is 5.8mm, the rear end of the second cutting part 22 is an inverted conical surface, the rear end of the second cutting part 22 is connected with the cutter handle 1 through a cutter neck 3, the cutter neck 3 comprises a cylindrical transition part 31 connected with the rear end of the second cutting part 22 and a conical section 32 at the rear end of the transition part 31, the front end of the, the cutting edge 2 is arranged along the side of the cutting part, the projection shape of the cutting edge is matched with the projection shape of the cutting part on the same projection base surface, the cutting edge can cut and process a structure consistent with the shape of the cutting part, three cutting edges are converged at the front end axis of the first cutting part 21 to form an end edge, the outer diameter of the transition part is 5.8mm, the length of the transition part 31 is 8mm, the total length of the cutting part is 8.76mm, the length of the first cutting part is 2.5mm, the length of the second cutting part is 2.8mm, the structure of the cutting part is small, a groove with a fine structure can be directly cut and processed by using the first cutting part, a T-shaped groove can be directly processed by using the first cutting part and the connecting part, an I-shaped groove can be directly cut and processed by using the first cutting part and the second cutting part, the connection strength with the cutter neck is enhanced by the inverted cone surface at the rear end of the second cutting part, the structural strength at the cutting part and the arrangement, the cutter has the advantages that the outer diameter is small, the length is long, the cutting operation of the cutting part is convenient, enough operation space is reserved, the transverse feeding operation of the cutter is convenient, the rear end edge of the first cutting part 21 is of an inverted cone structure, the structure is convenient to withdraw, the structural strength of the position is enhanced, the cutter is effectively prevented from collapsing, the cutting discharge is facilitated, the smaller front end of the conical section of the cutter neck is connected with the rear end of the transition part, the larger rear end of the conical section is connected with the cutter handle, the structural strength of the front part of the cutter is improved by the conical section, the service life is prolonged, the front part, close to the cutter neck 3, of the cutter handle 1 is provided with a plurality of uniformly distributed annular grooves 11, energy-absorbing fillers 4 are embedded in the annular grooves 11, the surfaces of the fillers 4 are flush with the peripheral surface of the cutter handle 1, the annular grooves 11 are arranged at the position, the clamping of the cutter is not influenced, the structural strength of the, the overall length of cutter is 60mm, and sword neck department length 15mm, sword neck length is longer, accounts for 1/4 of cutter overall length, can improve the toughness of cutter, and the cutter has certain deflection, and greatly reduced collapses the probability of sword, is close to sword neck department and inlays and establish the filler, and the vibrations of absorption cutter in the processing that can be abundant improve the stability of processing, improves the very big precision of cutting process's quality.
Example 2: referring to fig. 1 and 2, the left-handed and right-handed T-shaped milling cutter comprises a cutter handle 1 and a cutting part at the front end of the cutter handle 1, the cutting part is provided with three left-handed spiral cutting edges 2, the cutting edges 2 extend from the front end of the cutting part to the rear end of the cutting part, spiral chip-removing grooves are formed between adjacent cutting edges, the longitudinal section of the cutting part is i-shaped, the cutting part comprises a first cutting part 21 and a second cutting part 22 from front to back, the first cutting part 21 and the second cutting part 22 are connected through a connecting part 23, the outer diameter of the first cutting part 21 is 11mm, the outer diameter of the second cutting part is 12mm, the outer diameter of the connecting part 23 is 5.8mm, the rear end of the second cutting part 22 is an inverted conical surface, the rear end of the second cutting part 22 is connected with the cutter handle 1 through a cutter neck 3, the cutter neck 3 comprises a cylindrical transition part 31 connected with the rear end of the second cutting part 22 and a conical section 32 at the rear end of the transition part 31, the front end of the, the cutting edge 2 is arranged along the side of the cutting part, the projection shape of the cutting edge is matched with the projection shape of the cutting part on the same projection base surface, the cutting edge can cut and process a structure consistent with the shape of the cutting part, three cutting edges are converged at the front end axis of the first cutting part 21 to form an end edge, the outer diameter of the transition part is 5.8mm, the length of the transition part 31 is 8mm, the total length of the cutting part is 8.76mm, the length of the first cutting part is 2.5mm, the length of the second cutting part is 2.8mm, the structure of the cutting part is small, a groove with a fine structure can be directly cut and processed by using the first cutting part, a T-shaped groove can be directly processed by using the first cutting part and the connecting part, an I-shaped groove can be directly cut and processed by using the first cutting part and the second cutting part, the connection strength with the cutter neck is enhanced by the inverted cone surface at the rear end of the second cutting part, the structural strength at the cutting part and the arrangement, the cutter has small outer diameter and long length, is convenient for cutting operation of the cutting part, reserves enough operation space and is convenient for transverse feeding operation of the cutter.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (4)
1. A left-handed and right-handed T-shaped milling cutter comprises a cutter handle and a cutting part at the front end of the cutter handle, wherein the cutting part is provided with three left-handed spiral cutting edges, the cutting edges extend from the front end of the cutting part to the rear end of the cutting part, and the three cutting edges are converged at the front end of the cutting part, and the left-handed and right-handed T-shaped milling cutter is characterized in that the longitudinal section of the cutting part is in an I shape, the cutting part comprises a first cutting part and a second cutting part from front to back, the first cutting part and the second cutting part are connected through a connecting part, the rear end of the second cutting part is an inverted conical surface connected with a cutter neck, the front end of the cutter neck is connected with the rear end of the second cutting part through a cylindrical transition part, the outer diameter of the transition part is smaller than the minimum outer diameter of the second cutting part, the length of the first cutting part is 2.5mm, the outer diameter of the first cutting part is 11mm, the outer diameter of the connecting part is 5.8mm, the outer diameter of the, the outer diameter of the transition part is 5.8mm, and the total length of the cutting part is 8.76 mm.
2. A left-hand right-hand T-cutter as claimed in claim 1, wherein the rear end of the first cutting portion is of an inverted cone-shaped configuration.
3. A left-hand and right-hand T-cutter as claimed in claim 1, wherein the neck further comprises a tapered section, the smaller front end of the tapered section being connected to the rear end of the transition portion, and the larger rear end of the tapered section being connected to the shank.
4. The left-handed and right-handed T-shaped milling cutter according to claim 1, wherein the front part of the shank, which is close to the shank, is provided with a plurality of uniformly distributed annular grooves, energy-absorbing fillers are embedded in the annular grooves, and the surfaces of the fillers are flush with the peripheral surface of the shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968486.8U CN211331509U (en) | 2018-11-27 | 2018-11-27 | Left-handed and right-handed T-shaped milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968486.8U CN211331509U (en) | 2018-11-27 | 2018-11-27 | Left-handed and right-handed T-shaped milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211331509U true CN211331509U (en) | 2020-08-25 |
Family
ID=72105753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821968486.8U Expired - Fee Related CN211331509U (en) | 2018-11-27 | 2018-11-27 | Left-handed and right-handed T-shaped milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211331509U (en) |
-
2018
- 2018-11-27 CN CN201821968486.8U patent/CN211331509U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20211127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |