CN207239249U - Round nose milling cutter - Google Patents
Round nose milling cutter Download PDFInfo
- Publication number
- CN207239249U CN207239249U CN201721137880.2U CN201721137880U CN207239249U CN 207239249 U CN207239249 U CN 207239249U CN 201721137880 U CN201721137880 U CN 201721137880U CN 207239249 U CN207239249 U CN 207239249U
- Authority
- CN
- China
- Prior art keywords
- milling cutter
- connecting portion
- machined surface
- shaft core
- cutting edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
Abstract
It the utility model is related to drilling device technical field, there is provided a kind of round nose milling cutter, including：Handle of a knife, first connecting portion, second connecting portion and processing department, wherein, described first connecting portion one end is connected with the handle of a knife, and described second connecting portion one end is connected with the other end of the first connecting portion；The processing department has a shaft core, described shaft core one end is connected with the other end of the second connecting portion, land and chip pocket are provided with the shaft core, the land and chip pocket are set around the lateral surface of shaft core from the junction of the shaft core and second connecting portion to the shaft core end, and one end end face of the processing department away from handle of a knife is provided with cutting edge.In the above manner, so that the round nose milling cutter when with the surface of cutting edge workpieces processing, the impact force that each cutting edge is subject to can diminish so that cutting edge is not easy to damage because being hit, so that round nose milling cutter is more robust, and processing effect is more preferable.
Description
Technical field
It the utility model is related to drilling device technical field, more particularly to a kind of round nose milling cutter.
Background technology
Milling cutter, is the rotary cutter for Milling Process, with one or more cutters tooth.During work each cutter tooth successively between
Cut the surplus of workpiece with having a rest.Milling cutter is mainly used for processing plane, step, groove, profiled surface and cut-out workpiece on milling machine
Deng.
The prior art has at least the following problems：Existing round nose milling cutter to workpiece carry out Milling Process when, often by
In the negligible amounts of cutting edge（Generally two or three）, and cause cutting edge to be easily damaged so that the use of round nose milling cutter
Short life, machining accuracy are relatively low.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of service life length and high precision machining
Round nose milling cutter.
The utility model provides a kind of round nose milling cutter, including：Handle of a knife, first connecting portion, second connecting portion and processing department, its
In, described first connecting portion one end is connected with the handle of a knife, and described second connecting portion one end is another with the first connecting portion
End connection；The processing department has a shaft core, and described shaft core one end is connected with the other end of the second connecting portion, the shaft core
On be provided with land and chip pocket, the land and chip pocket are from the junction of the shaft core and second connecting portion to the axis
Core end is set around the lateral surface of the shaft core, and one end end face of the processing department away from the handle of a knife is provided with cutting
Sword.
In certain embodiments, the connecting portion is in round table-like, the diameter of its one end be connected with handle of a knife more than with it is described
The diameter of one end of second connecting portion connection.
In certain embodiments, the land and chip pocket be in the shape of a spiral.
In certain embodiments, the spiral angular region of the land is 34 to 36 degree.
In certain embodiments, the number of the land and cutting edge is four.
In certain embodiments, the round nose milling cutter has rotation axis；Four lands and four cutting edges are opposite
It is centrosymmetric in the rotation axis.
In certain embodiments, on the end face of described processing department one end, the length of two non-conterminous cutting edges
More than the length of two other non-conterminous cutting edge；Described two non-conterminous cutting edges are at the end end of the shaft core
Face connects.
In certain embodiments, the cutting edge includes the first machined surface, the second machined surface and the 3rd machined surface, described to cut
The cutting edge for cutting sword is crossed to form by the first machined surface and the second machined surface, and the second machined surface connects with the 3rd machined surface.
In certain embodiments, the angle of first machined surface and the second machined surface is acute angle, first machined surface
Angle with the 3rd machined surface is also acute angle, and the angle of first machined surface and the second machined surface is more than described first and adds
Work face and the angle of the 3rd machined surface.
In certain embodiments, the angular range of second machined surface and the 3rd machined surface is 12 to 18 degree.
The beneficial effects of the utility model are：Compared with prior art, the utility model provides a kind of round nose milling cutter, bag
Include：Handle of a knife, first connecting portion, second connecting portion and processing department, wherein, described first connecting portion one end is connected with the handle of a knife,
Described second connecting portion one end is connected with the other end of the first connecting portion；The processing department has a shaft core, the shaft core
One end is connected with the other end of the second connecting portion, and land and chip pocket are provided with the shaft core, and the land and appearance are considered to be worth doing
Groove is set around the lateral surface of the shaft core, and institute from the junction of the shaft core and second connecting portion to the shaft core end
State one end end face of the processing department away from the handle of a knife and be provided with cutting edge.Cause the round nose milling cutter with cutting based on above structure
During the surface of sword workpieces processing, the impact force that each cutting edge is subject to can diminish so that and cutting edge is not easy to damage because being hit,
So that round nose milling cutter is more robust, and processing effect is more preferable.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not formed to embodiment, the element for having same reference numbers label in attached drawing are expressed as similar element, remove
Non- have a special statement, and composition does not limit the figure in attached drawing.
Fig. 1 is the structure diagram of round nose milling cutter in the utility model embodiment；Fig. 2 is to be processed in Fig. 1 in round nose milling cutter
The structure diagram in face；
Fig. 3 is the structural representation profile of cutting edge in round nose milling cutter in Fig. 1.
Embodiment
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Above or therebetween there may be one or more elements placed in the middle.When an element is expressed " connection " another element, it can
To be directly to another element or there may be one or more elements placed in the middle therebetween.This specification is used
Term " on ", " under ", " interior ", " outer ", the orientation of the instruction such as " bottom " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " " the 3rd " etc. are only used for description purpose, and it is not intended that indicating or implying relatively important
Property.
Unless otherwise defined, the skill of technical and scientific term all used in this specification with belonging to the utility model
The normally understood implication of technical staff in art field is identical.In the art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes the arbitrary and all combination of one or more relevant Listed Items.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Referring to Fig. 1, Fig. 1 is the structure diagram of round nose milling cutter in the utility model embodiment.The utility model is implemented
Example provides a kind of round nose milling cutter 100, including handle of a knife 10, first connecting portion 20, second connecting portion 30 and processing department 40, wherein first
The one end of connecting portion 20 respectively with handle of a knife 10 and second connecting portion 30 is connected, and the other end and the processing department 40 of second connecting portion 30 connect
Connect.
Specifically, handle of a knife 10 is cylinder, round nose milling cutter 100 has rotation axis A, the axis of rotation axis A and handle of a knife 10
Line overlaps.When being processed using round nose milling cutter 100, which is rotated around rotation axis A.
First connecting portion 20 is in round table-like, and the diameter of its one end is more than the other end.In the present embodiment, one end of handle of a knife 10
It is connected with one end of first connecting portion 20, and the diameter of handle of a knife 10 is equal to connected 20 one end end face of first connecting portion
Diameter.
Second connecting portion 30 is cylindrical, and its one end is connected with the other end of first connecting portion 20, the other end and processing department
40 connections, and the diameter of second connecting portion 30 is equal to the diameter of connected 20 the other end face of first connecting portion.
Please referring collectively to Fig. 2, above-mentioned processing department 40 has a shaft core 41, and land 42 is provided with the shaft core 41 and is held and is considered to be worth doing
Groove 43, land 42 and chip pocket 43 are in the shape of a spiral.Land 42 and chip pocket 43 are from the shaft core 41 and second connecting portion 30
Junction the lateral surface of shaft core 41 is set around to 41 end of shaft core, and land 42 and chip pocket 43 are arranged at intervals.Institute
The other end that 41 one end of shaft core is stated with the second connecting portion 30 is connected.The spiral angular region of the land 42 is 34 to 36 degree.
Referring to Fig. 2, and combine Fig. 1, in the utility model embodiment, the number of the land 42 and chip pocket 43 is four,
And the land 42 and chip pocket 43 are centrosymmetric relative to the rotation axis A.One of land 42 is around rotation axis
Line A will be overlapped after being rotated by 90 ° with another land 42.
On the axial direction of the shaft core 41, one end end face of the processing department 40 away from the handle of a knife 10（That is, process
Face）It is provided with cutting edge 44.One end end face of the processing department 40 includes 42 one end end face of 41 one end end face of shaft core and land.Institute
Cutting edge 44 is stated by 31 one end end face of shaft core（That is, the distal end faces of described shaft core 41）Central area extend to land 42
The outer rim of the shaft core 41 is away from the end face of one end.The cutting edge 44 is linear so that the round nose milling cutter 100 is using
During the surface of 44 workpieces processing of cutting edge, the smooth and smooth of the surface of workpiece processing can be avoided in finished workpiece
Leave protrusion in surface.
Central area to enable 41 one end end face of shaft core is worked into workpiece, positioned at described 40 one end of processing department
The cutting edge 44 of two opposite sides on end face（That is, two non-conterminous cutting edges 44）In the center of 41 one end end face of shaft core
Domain connects.Non-conterminous 44 length of cutting edge of above-mentioned two is more than the length of two other non-conterminous cutting edge 44.Other two
A non-conterminous cutting edge 44 is spaced a distance in the central area of 31 one end end face of shaft core.
Compared to the milling cutter only with three cutting edges, the round nose milling cutter 100 has four cutting edges 44, four cuttings
Sword 44 is had an effect at the same time when round nose milling cutter 100 rotates so that under same rotating speed, more one are cut round nose milling cutter 100
Sword 44 is cut to act,（That is, when cutting speed is identical, its cutting effect is more preferable）；Meanwhile using round nose milling cutter 100 into
During row milling, the impact force that each cutting edge 44 is subject to can diminish so that and cutting edge 44 is not easy to damage because being hit, so that
It is more robust to obtain round nose milling cutter 100（That is, the service life of round nose milling cutter 100 is extended）.
Referring to Fig. 3, and combine Fig. 1, the cutting edge 44 includes the first machined surface 441, the second machined surface 442 and the 3rd
Machined surface 443.The cutting edge of cutting edge 44 is crossed to form by the first machined surface 441 and the second machined surface 442, and the second machined surface
442 also connect with the 3rd machined surface 443.The angle of first machined surface, 441 and second machined surface 442 is acute angle, described
The angle of one machined surface 441 and the 3rd machined surface 443 is also acute angle, and first machined surface, 441 and second machined surface 442
Angle be more than 441 and the 3rd machined surface 443 of the first machined surface angle.The benefit of such a structure is：Described first adds
Work face 441 and the angle of the second machined surface 442 are larger, may be such that cutting edge 44 while with sharp cutting edge, its sword
Mouth rear has larger thickness so that cutting edge 44 has high intensity, can effectively prevent from processing using cutting edge 44
When, there is the situation of excessive wear or fracture in cutting edge 44, so as to extend the service life of cutting edge 34.Second machined surface 442
Angular range with the 3rd machined surface 443 is 12 to 18 degree.The beneficial effects of the utility model are：Compared with prior art,
The utility model provides a kind of round nose milling cutter 100, including：Handle of a knife 10, first connecting portion 20, second connecting portion 30 and processing department
40, wherein, described 20 one end of first connecting portion is connected with the handle of a knife 10, and described 30 one end of second connecting portion connects with described first
The other end connection of socket part 20；The processing department 40 has a shaft core 41, described 41 one end of shaft core and the second connecting portion 30
Other end connection, land 42 and chip pocket 43 are provided with the shaft core 41, the land 42 and chip pocket 43 are described in
The junction of shaft core 41 and second connecting portion 30 is set around the lateral surface of the shaft core 41 to 41 end of shaft core, and described
One end end face of the processing department 40 away from the handle of a knife 10 is provided with cutting edge 44, and the number of the land 42 and cutting edge 44 is
Four.The round nose milling cutter 100 is caused when with the surface of 44 workpieces processing of cutting edge based on above structure, each cutting edge 44 by
To impact force can diminish so that cutting edge 44 is not easy to damage because being hit so that round nose milling cutter 100 is more robust, and
And processing effect is more preferable.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Under the thinking of the utility model, it can also be combined between the technical characteristic in above example or different embodiments,
Step can be realized with random order, and many other changes of the different aspect there are the utility model as described above, be
Simplicity, they do not provide in details；Although the utility model is described in detail with reference to the foregoing embodiments, this
The those of ordinary skill in field should be understood：It can still modify the technical solution described in foregoing embodiments,
Or equivalent substitution is carried out to which part technical characteristic；And these are changed or are replaced, the sheet of appropriate technical solution is not made
Matter departs from the scope of various embodiments of the utility model technical solution.
Claims (10)
- A kind of 1. round nose milling cutter, it is characterised in that including：Handle of a knife；First connecting portion, one end are connected with the handle of a knife；Second connecting portion, one end are connected with the other end of the first connecting portion；Processing department, has a shaft core, and described shaft core one end is connected with the other end of the second connecting portion, is set in the shaft core There are land and chip pocket, the land and chip pocket are from the junction of the shaft core and second connecting portion to the shaft core end The lateral surface of the shaft core is set around, and one end end face of the processing department away from the handle of a knife is provided with cutting edge.
- 2. round nose milling cutter according to claim 1, it is characterised in that the first connecting portion in round table-like, its with it is described The diameter of one end of handle of a knife connection is more than the diameter of the one end being connected with the second connecting portion.
- 3. round nose milling cutter according to claim 1, it is characterised in that：The land and chip pocket are in the shape of a spiral.
- 4. round nose milling cutter according to claim 3, it is characterised in that the spiral angular region of the land is 34 to 36 degree.
- 5. round nose milling cutter according to claim 1, it is characterised in that the number of the land and cutting edge is four.
- 6. round nose milling cutter according to claim 5, it is characterised in that the round nose milling cutter has rotation axis；Described four A land and four cutting edges are centrosymmetric relative to the rotation axis.
- 7. round nose milling cutter according to claim 6, it is characterised in that on the end face of described processing department one end, two are not The length of the adjacent cutting edge is more than the length of two other non-conterminous cutting edge；It is described two non-conterminous to cut The distal end faces that sword is cut in the shaft core connect.
- 8. round nose milling cutter according to claim 1, it is characterised in that the cutting edge adds including the first machined surface, second Work face and the 3rd machined surface, the cutting edge of the cutting edge are crossed to form by the first machined surface and the second machined surface, and second adds Work face connects with the 3rd machined surface.
- 9. round nose milling cutter according to claim 8, it is characterised in that the angle of first machined surface and the second machined surface For acute angle, the angle of first machined surface and the 3rd machined surface is also acute angle, and first machined surface and second is processed The angle in face is more than the angle of first machined surface and the 3rd machined surface.
- 10. round nose milling cutter according to claim 9, it is characterised in that the folder of second machined surface and the 3rd machined surface Angular region is 12 to 18 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721137880.2U CN207239249U (en) | 2017-09-06 | 2017-09-06 | Round nose milling cutter |
| PCT/CN2017/101900 WO2019047262A1 (en) | 2017-09-06 | 2017-09-15 | Circular-nose cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721137880.2U CN207239249U (en) | 2017-09-06 | 2017-09-06 | Round nose milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207239249U true CN207239249U (en) | 2018-04-17 |
Family
ID=61885327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721137880.2U Active CN207239249U (en) | 2017-09-06 | 2017-09-06 | Round nose milling cutter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207239249U (en) |
| WO (1) | WO2019047262A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5685671A (en) * | 1993-11-01 | 1997-11-11 | Smith International, Inc. | Diamond or CBN fluted center cutting end mill |
| CN203679382U (en) * | 2013-11-14 | 2014-07-02 | 苏州万一刀具工业有限公司 | Two-blade round-nose aluminum milling cutter |
| CN206122778U (en) * | 2016-11-04 | 2017-04-26 | 广东振硕数控刀具有限公司 | Cutting round nose milling cutter |
-
2017
- 2017-09-06 CN CN201721137880.2U patent/CN207239249U/en active Active
- 2017-09-15 WO PCT/CN2017/101900 patent/WO2019047262A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019047262A1 (en) | 2019-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104395024B (en) | Rotary cutting tool and its turnable cutting tip | |
| CN106715014B (en) | Rotary cutting tool and turnable cutting insert with variable-width minor flank | |
| CN103313814B (en) | The mach cutting tip and there is the milling cutter of this cutting tip for right angle | |
| US20140341661A1 (en) | Milling cutter | |
| EP2913132A1 (en) | Ball end mill | |
| JP2015521958A5 (en) | ||
| CN103008744A (en) | Milling cutter for cutting a ninety-degree shoulder in a workpiece | |
| CN104400036B (en) | Chamfer forming tool and forming process thereof | |
| CN102029421A (en) | Moulding milling cutter | |
| CN207239249U (en) | Round nose milling cutter | |
| CN207239251U (en) | A kind of slotting cutter of processing high-hardness material | |
| CN204221397U (en) | A kind of facing cutter | |
| CN207138958U (en) | End mill(ing) cutter | |
| JP2013202748A (en) | End mill | |
| CN208178533U (en) | Milling cutter | |
| CN203917982U (en) | A kind of process tool | |
| CN207103940U (en) | T-shaped milling cutter | |
| CN206811202U (en) | A kind of milling cutter of quick chip removal | |
| CN208600789U (en) | End mill(ing) cutter | |
| CN208600793U (en) | Chamfering profile cutters | |
| CN203636044U (en) | Mechanically-clamped and indexable spiral shank cutter blade for fine machining | |
| CN207326028U (en) | A kind of tool bit for processing annular groove | |
| CN101700579A (en) | High-precision hole-machining drilling and boring cutter | |
| CN202344068U (en) | Screw thread processing knife blade | |
| CN208600780U (en) | Chamfering tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |