CN215145016U - Drilling and milling composite cutter - Google Patents
Drilling and milling composite cutter Download PDFInfo
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- CN215145016U CN215145016U CN202121566793.5U CN202121566793U CN215145016U CN 215145016 U CN215145016 U CN 215145016U CN 202121566793 U CN202121566793 U CN 202121566793U CN 215145016 U CN215145016 U CN 215145016U
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Abstract
The utility model relates to a drilling and milling combined type cutter, which comprises a cutting part and a handle part, wherein the cutting part consists of a drilling section positioned at the end part of the cutting part and a hole milling section arranged on the peripheral surface of the cutting part, the hole milling section comprises spiral peripheral edges uniformly distributed on the peripheral surface of the cutting part, and a ligament is arranged on each spiral peripheral edge at a position 5 mm-10 mm away from the end surface of the cutting part; the drilling section comprises a drill point which is convexly arranged at the center of the end face of the cutting part and a plurality of drilling edges which extend from the drill point to the edge, the taper angle of the drill point is 90-140 degrees, and a chip groove is formed between every two drilling edges. The utility model provides a need many money cutters to realize the difficult problem to the processing of spare part inclined hole, single cutter can realize drilling and mill two processes, and the processing stability is good, its drilling precision, and smooth finish, circularity all will be better than general drill bit.
Description
Technical Field
The utility model belongs to the technical field of the metal cutting processing technique and specifically relates to a bore and mill combined type cutter.
Background
At present, drilling is needed when some parts are machined, holes are machined on an inclined plane, a machining process of firstly drilling and then milling is adopted, the number of used cutters is large, cutter changing is frequent, machining efficiency is low, only one cutter fails, the whole set of cutters must be stopped and replaced, machining beats are seriously affected, and machining quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcomes the defects in the prior art and provides a drilling and milling composite cutter.
The utility model provides a technical scheme that its technical problem adopted is: a drilling and milling combined type cutter comprises a cutting part and a handle part, wherein the cutting part consists of a drilling section positioned at the end part of the cutting part and a hole milling section arranged on the peripheral surface of the cutting part, the hole milling section comprises spiral peripheral edges uniformly distributed on the peripheral surface of the cutting part, and a ligament is arranged at the position, 5 mm-10 mm away from the end surface of the cutting part, of each spiral peripheral edge; the drilling section comprises a drill point which is convexly arranged at the center of the end face of the cutting part and a plurality of drilling edges which extend from the drill point to the edge, the taper angle of the drill point is 90-140 degrees, and a chip groove is formed between every two drilling edges.
And a ligament is arranged on each spiral peripheral blade at a position 5-10 mm away from the end face of the cutting part and is used for supporting the hole wall during drilling.
Further inject, the drilling sword is provided with four, and two drilling sword are the long tooth cutting edge, and two drilling sword are the short tooth cutting edge, and short tooth cutting edge and long tooth cutting edge interval set up.
In order to facilitate the milling process, it is further defined that the spiral peripheral edge is provided with two plane relief angles.
In order to guarantee the service life of the drill point, the maximum diameter of the drill point is 1/3-2/3 of the diameter of the drill hole section.
Further, the drilling section is provided with a drill point rear cutter face formed by a straight line rear angle.
So set up, can effectively reduce the frictional force between drill point and the metalwork, reduce the temperature in the cutter course of working.
Further defined, the helical peripheral edge is provided with four strips, and the ligament is also provided with four strips.
Four spiral week sword can be applied to milling process, and simultaneously, the ligament also has four, so sets up, the utility model discloses drilling precision, smooth finish, the circularity of cutter all want better than general drill bit.
The utility model has the advantages that: the utility model provides a need many money cutters to realize the difficult problem to the processing of spare part inclined hole, single cutter can realize drilling and mill two processes, and the processing stability is good, its drilling precision, and smooth finish, circularity all will be better than general drill bit.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right enlarged view of fig. 1.
In the figure: 1. cutting part, 2, handle, 11, spiral peripheral edge, 12, ligament, 13, drill tip, 14, drilling edge, 15, chip groove, 16, drill tip rear face.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 and 2, a drilling and milling composite tool comprises a cutting part 1 and a handle part 2, wherein the cutting part 1 consists of a drilling section at the end part and a hole milling section arranged on the outer peripheral surface thereof, the hole milling section comprises four spiral peripheral edges 11 uniformly distributed on the outer peripheral surface of the cutting part, and a ligament 12 is arranged on each spiral peripheral edge 11 at a position 5 mm-10 mm away from the end surface of the cutting part; the drilling section comprises a drill point 13 which is convexly arranged at the center of the end surface of the cutting part 1 and four drilling edges 14 which extend from the drill point 13 to the edge, the taper angle of the drill point 13 is 90-140 degrees, and a chip pocket 15 is formed between every two drilling edges 14.
In this embodiment, the drilling edges 14 are four, two drilling edges 14 are long-tooth edges, two drilling edges 14 are short-tooth edges, and the short-tooth edges and the long-tooth edges are spaced apart from each other.
The spiral peripheral edge 11 is provided with two plane relief angles.
The maximum diameter of the drill tip 13 is 1/3-2/3 of the diameter of the drill hole section. The drilling section is provided with a drill tip relief surface 16 formed by a straight relief angle.
The cutter of the embodiment can realize two working procedures of drilling and milling, has good processing stability, and has better drilling precision, finish and roundness than common drill bits.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable people skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a bore and mill combined type cutter, includes cutting portion and stalk portion, its characterized in that: the cutting part consists of a drilling section positioned at the end part of the cutting part and a hole milling section arranged on the peripheral surface of the cutting part, the hole milling section comprises spiral peripheral edges uniformly distributed on the peripheral surface of the cutting part, and a ligament is arranged on each spiral peripheral edge at a position 5-10 mm away from the end surface of the cutting part; the drilling section comprises a drill point which is convexly arranged at the center of the end face of the cutting part and a plurality of drilling edges which extend from the drill point to the edge, the taper angle of the drill point is 90-140 degrees, and a chip groove is formed between every two drilling edges.
2. The drilling and milling composite tool of claim 1, wherein: the drilling sword is provided with four, and two drilling sword are the long tooth cutting edge, and two drilling sword are the short tooth cutting edge, and short tooth cutting edge and long tooth cutting edge interval set up.
3. The drilling and milling composite tool of claim 1, wherein: two plane back angles are arranged on the spiral peripheral edge.
4. The drilling and milling composite tool of claim 1, wherein: the maximum diameter of the drill tip is 1/3-2/3 of the diameter of the drill hole section.
5. The drilling and milling composite tool of claim 1, wherein: and a drill point rear cutter surface formed by a straight rear angle is arranged on the drilling section.
6. The drilling and milling composite tool of claim 1, wherein: four helical peripheral edges are arranged, and four ligaments are also arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566793.5U CN215145016U (en) | 2021-07-09 | 2021-07-09 | Drilling and milling composite cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566793.5U CN215145016U (en) | 2021-07-09 | 2021-07-09 | Drilling and milling composite cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215145016U true CN215145016U (en) | 2021-12-14 |
Family
ID=79397288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121566793.5U Active CN215145016U (en) | 2021-07-09 | 2021-07-09 | Drilling and milling composite cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215145016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229244A (en) * | 2022-06-21 | 2022-10-25 | 成都飞机工业（集团）有限责任公司 | Hole making cutter and hole making method for weak-rigidity curved surface structure |
-
2021
- 2021-07-09 CN CN202121566793.5U patent/CN215145016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229244A (en) * | 2022-06-21 | 2022-10-25 | 成都飞机工业（集团）有限责任公司 | Hole making cutter and hole making method for weak-rigidity curved surface structure |
| CN115229244B (en) * | 2022-06-21 | 2024-04-12 | 成都飞机工业（集团）有限责任公司 | Hole making cutter and hole making method for weak-rigidity curved surface structure |
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