CN208450681U - Milling cutter for processing graphite workpiece - Google Patents
Milling cutter for processing graphite workpiece Download PDFInfo
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- CN208450681U CN208450681U CN201820874591.9U CN201820874591U CN208450681U CN 208450681 U CN208450681 U CN 208450681U CN 201820874591 U CN201820874591 U CN 201820874591U CN 208450681 U CN208450681 U CN 208450681U
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- cutter head
- cutting edge
- cutter
- knife handle
- cutting
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Abstract
The utility model is suitable for cutter structure design field, disclose the milling cutter for processing graphite workpiece, it includes knife handle and cutter head, cutter head is set there are four cutting edge, four lands, four end chip spaces, four helical flutes and a blade connector, four cutting edges are spaced apart in the end of cutter head, the inward flange of two of them cutting edge is connect with the both ends of blade connector respectively, the inward flange of other two cutting edge is respectively separated positioned at the two sides of blade connector, four end chip spaces are respectively arranged between each adjacent two cutting edge, and one end of four end chip spaces is connected to four helical flutes respectively, the other end of two adjacent end portion chip spaces intersects at the side of blade connector, the other end of another two adjacent end portion chip space intersects at the other side of blade connector, the cutting face of cutting edge is smooth arc-shaped surface And its radius value is 0.85mm ± 0.05mm.The milling cutter is high in machining efficiency, and machining accuracy is high.
Description
Technical field
The utility model relates to cutter structure design fields, the more particularly, to milling cutter of processing graphite workpiece.
Background technique
A kind of milling cutter for processing graphite workpiece that the prior art provides, sets that there are two cutting edges on cutter head, and cuts
The cutting radius surface for cutting sword is 1.5mm.Using the milling cutter processing graphite workpiece, in a particular application in the presence of processing efficiency is low, knife
Has the low technical problem of quick abrasion, machining accuracy.
Utility model content
The purpose of this utility model is to provide a kind of milling cutters for processing graphite workpiece, aim to solve the problem that and are currently used for
The milling cutter of processing graphite workpiece leads to the skill that processing efficiency is low, tool wear is fast, machining accuracy is low due to unreasonable structural design
Art problem.
In order to achieve the above objectives, scheme provided by the utility model is: for the milling cutter of processing graphite workpiece, including knife handle
With the cutter head for being set to described knife handle one end, the cutter head is set there are four cutting edge, four lands, four end chip spaces, four
Helical flute and a blade connector, four cutting edges it is circumferentially spaced in the cutter head back to the knife
The end of handle, wherein there are two the cutting edge close to the cutter head center axis inward flange respectively with the blade connector
Both ends connection, other two cutting edge is respectively separated close to the inward flange of the cutter head center axis positioned at the blade
The two sides of connector, four lands are respectively from the outer edge spiral far from the cutter head center axis of four cutting edges
The side of the cutter head is extended, four helical flutes are respectively arranged between each adjacent two land, described in four
End chip space is respectively arranged between each adjacent two cutting edge, and one end of four end chip spaces respectively with four
The helical flute connection, the other end of two adjacent end chip spaces intersect at the side of the blade connector,
The other end of the adjacent end chip space of another two intersects at the other side of the blade connector, and the cutting edge has back
To the cutting face of the knife handle, the cutting face be smooth arc-shaped surface, and the radius value in the cutting face be 0.85mm ±
0.05mm。
Optionally, four cutting edges are circumferentially uniformly spacedly distributed；And/or
Four lands are circumferentially uniformly spacedly distributed；And/or
The cutting face is spherical cambered surface.
Optionally, the anterior angle angle of the cutting edge is 3 ° ± 1 °；And/or
The relief angles of the cutting edge are 11 ° ± 1 °.
Optionally, the circumferential width of the cutting edge is 0.15mm ± 0.05mm.
Optionally, the spiral angle of the helical flute is 30 ° ± 2 °.
Optionally, the development length for defining the land is L1, and the development length for defining the helical flute is L2, then
L1 and L2 meet following relationship: L1≤L2≤(L1+0.5mm).
Optionally, the outer diameter of the knife handle is greater than the outer diameter of the cutter head.
Optionally, the milling cutter for processing graphite workpiece further includes transition connector, other than the transition connector
The form that diameter is gradually reduced from the knife handle close to the end of the cutter head extend to the cutter head close to the knife handle
End.
Optionally, the cutter head, the transition connector, the knife handle are integrally formed.
Optionally, the outer diameter of the knife handle is 4mm ± 0.1mm；And/or
The outer diameter of the cutter head is 2mm ± 0.1mm.
Milling cutter provided by the utility model for processing graphite workpiece, by being arranged four circumferentially in the end of cutter head
Spaced cutting edge, and smooth arc-shaped surface is set by the cutting face of cutting edge, by the cutting face radius value of cutting edge
It is set as 0.85mm ± 0.05mm, while four end chip spaces being respectively arranged between each adjacent two cutting edge, and four ends
One end of portion's chip space is connected to four helical flutes respectively, and the other end of two adjacent end portion chip spaces intersects at blade company
The other end of the side of junctor, another two adjacent end portion chip space intersects at the other side of blade connector, to effectively optimize
The structure of cutter, improves the processing efficiency and machining accuracy of graphite workpiece, slows down the rate of wear of cutter.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the stereoscopic schematic diagram one of the milling cutter provided by the embodiment of the utility model for processing graphite workpiece；
Fig. 2 is the stereoscopic schematic diagram two of the milling cutter provided by the embodiment of the utility model for processing graphite workpiece；
Fig. 3 is the end view of cutter head end provided by the embodiment of the utility model；
Fig. 4 is the schematic cross-section of cutter head end provided by the embodiment of the utility model；
Fig. 5 is the lateral plane schematic diagram of the milling cutter provided by the embodiment of the utility model for processing graphite workpiece.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It should also be noted that, when an element is referred to as being " fixed " or " disposed " on another element, it can be straight
Connect on the other element or may be simultaneously present centering elements.When an element is known as " connection " another element,
It, which can be, is directly connected to another element or may be simultaneously present centering elements.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
As shown in Figs. 1-5, the milling cutter 100 provided by the embodiment of the utility model for processing graphite workpiece, including knife handle
110 and the cutter head 120 set on 110 one end of knife handle, cutter head 120 sets that there are four the ends of land 122, four of cutting edge 121, four to arrange
It considers 123, four helical flutes 124 of slot to be worth doing and a blade connector 125, four cutting edges 121 is circumferentially spaced in knife
First 120 end back to knife handle 110, wherein there are two cutting edge 121 close to cutter head 120 central axis inward flange respectively with
The both ends of blade connector 125 connect, and the inward flange close to 120 central axis of cutter head of other two cutting edge 121 is respectively separated
Positioned at the two sides of blade connector 125, four lands 122 are respectively from the outer of separate 120 central axis of cutter head of four cutting edges 121
Edge coils extend the side of cutter head 120, and four helical flutes 124 are respectively arranged between each adjacent two land 122, and four
End chip space 123 is respectively arranged between each adjacent two cutting edge 121, and one end of four end chip spaces 123 is respectively with four
A helical flute 124 is connected to, and the other end of two adjacent end portion chip spaces 123 intersects at the side of blade connector 125, separately
The other end of two adjacent end portion chip spaces 123 intersects at the other side of blade connector 125, and cutting edge 121 has back to knife
The cutting face 1211 of handle 110, cutting face 1211 be smooth arc-shaped surface, and the radius value in cutting face 1211 be 0.85mm ±
0.05mm.Knife handle 110 can be used for assembling with the fixture in lathe (not shown), to realize installation of the milling cutter 100 on lathe；
Cutting edge 121 on cutter head 120 is used to carry out graphite workpiece Milling Process, end chip space 123 and spiral on cutter head 120
Chip space 124 is used to for the crumble generated in Milling Processes being discharged, and each cutting edge 121 and each end chip space 123 are along week
To being alternately distributed, each land 122 and the circumferentially alternating distribution of each helical flute 124, and each end chip space 123 is respectively and respectively
Helical flute 124, in this way, may make milling cutter 100 in process, the crumble that end generates can be quickly from each end chip removal
In 123 dispatch of slot to each helical flute 124, to be conducive to guarantee processing quality and processing efficiency.The utility model embodiment
The milling cutter 100 for processing graphite workpiece provided, by the way that cutting for four circumferentially spaced settings is arranged in the end of cutter head 120
Sword 121 is cut, and sets smooth arc-shaped surface for the cutting face of cutting edge 121 1211, by the 1211 radius R of cutting face of cutting edge 121
Value range is set as 0.85mm ± 0.05mm, while an end chip space is respectively set between each adjacent two cutting edge 121
123, and one end of four end chip spaces 123 is connected to four helical flutes 124 respectively, two adjacent end portion chip spaces
123 other end intersects at the side of blade connector 125, and the other end of another two adjacent end portion chip space 123 intersects at sword
The other side of portion's connector 125 improves the processing efficiency and processing essence of graphite workpiece to effectively optimize the structure of cutter
Degree, slows down the rate of wear of cutter.
Preferably, cutting face 1211 is spherical cambered surface, and the graphite workpiece surface precision processed is high.
Preferably, four cutting edges 121 are circumferentially uniformly spacedly distributed；And/or four lands 122 are circumferentially uniform
It is spacedly distributed.As a preferred embodiment of the present embodiment, four cutting edges 121 are circumferentially uniformly spacedly distributed；And
Four lands 122 are circumferentially uniformly spacedly distributed, using the distribution mode, conducive to the cutting quality and cutting effect for improving cutter
Rate.
Preferably, the anterior angle angle A 1 of cutting edge 121 is 3 ° ± 1 °.Before the anterior angle of cutting edge 121 is specially cutting edge 121
Angle between knife face and basal plane, the rake face of cutting edge 121 are the surface of chip outflow on cutter, and basal plane was cutting edge 121
Chosen Point and plane perpendicular to direction of primary motion.Herein, by the setting of 1 value range of anterior angle angle A of cutting edge 121 for 3 ° ±
Between 1 °, the cutting ability of cutter can be improved, specifically improve the sharpness of cutting edge 121, to reduce cutting force, cut
Heat, cutting power are cut, and improves machining accuracy and machined surface quality, while cutting wear can be improved.
Preferably, the relief angles A2 value range of cutting edge 121 is 11 ° ± 1 °.The relief angle of cutting edge 121 is specially to cut
Angle between the flank and cutting plane of sword 121, the flank of cutting edge 121 be on cutter with graphite workpiece transitional surface phase
Pair knife face, cutting plane was 121 Chosen Point of cutting edge, and plane of perpendicular to basal plane tangent with cutting edge 121.Herein,
The relief angles A2 value range of cutting edge 121 is arranged between for 11 ° ± 1 °, reduction cutting edge 121 can be conducive to and added with workpiece
Friction between work surface is conducive to improve cutting wear.
Preferably, the circumferential width t of cutting edge 121 is 0.15mm ± 0.05mm.The circumferential width t of cutting edge 121 is specific
Refer to the size that 121 cross section of cutting edge extends in the circumferential, the i.e. thickness of cutting edge 121.Herein, by the circumferential direction of cutting edge 121
Width t is arranged between 0.15mm ± 0.05mm, can be conducive to guarantee the rigidity of cutting edge 121, and be conducive to prevent cutting edge 121 light
Frangibility, while being additionally favorable for guaranteeing the machining accuracy of cutter.
Preferably, the spiral angle of helical flute 124 is 30 ° ± 2 °.Using the value range of the spiral angle, it is ensured that
The smoothness of process chip removal.
Preferably, the hand of spiral of helical flute 124 is right-hand screw.
Preferably, the development length for defining land 122 is L1 (not shown), defines the development length of helical flute 124
For L2 (not shown), then L1 and L2 meet following relationship: L1≤L2≤(L1+0.5mm).The development length L1 of land 122 is specific
Development length L2 for the length axially extending along cutter head 120 of land 122, helical flute 124 is specially helical flute
124 length axially extending along cutter head 120.It herein, is L1 and helical flute 124 by the development length to land 122
Development length be L2 relationship optimize, on the one hand be conducive to land 122 processing and manufacturing, on the other hand can be conducive to knife
Has the discharge smoothness of the crumble in processing graphite workpiece fabrication.
Preferably, the outer diameter D 1 of knife handle 110 is greater than the outer diameter D 2 of cutter head 120.Herein, the outer diameter D 1 of knife handle 110 is designed
Must be larger, the outer diameter D 2 of cutter head 120 is designed smaller, in this way, being not only conducive to guarantee the machining accuracy of cutter, but also is convenient for knife handle
110 clamping on lathe, while can also be conducive to guarantee the reliability of knife handle 110.
It preferably, further include transition connector 130 for the milling cutter 100 of processing graphite workpiece, other than transition connector 130
The form that diameter is gradually reduced extends to the end close to knife handle 110 of cutter head 120 from the end close to cutter head 120 of knife handle 110.
The setting of transition connector 130 can be conducive to that cutter head 120 and the transition junction of knife handle 110 is avoided stress concentration phenomenon occur, from
And it is conducive to improve the reliability of cutter.
Preferably, cutter head 120, transition connector 130, knife handle 110 are integrally formed, in this way, cutter head 120, transition can be saved
The subsequent assembling procedure of connector 130, knife handle 110, and be conducive to guarantee the connection of cutter head 120, transition connector 130, knife handle 110
Reliability.
Preferably, cutter head 120, transition connector 130, knife handle 110 are made of the material of superhard alloy, in this way, being conducive to
Guarantee cutting-tool's used life.
Preferably, knife handle 110 is cylindric barred body, and structure is simple, easily processed into type, and convenient for the dress on lathe
Folder.
Preferably, transition connector 130 is in a circular table shape, and the tilt angle A3 of tapered side is preferably 15 ° ± 1 °.
Preferably, the outer diameter D 1 of knife handle 110 is 4mm ± 0.1mm；And/or the outer diameter D 2 of cutter head 120 is 2mm ± 0.1mm.
As a preferred embodiment of this implementation, the outer diameter D 1 of knife handle 110 is 4mm ± 0.1mm；And the outer diameter D 2 of cutter head 120 is 2mm
±0.1mm.Tests prove that when the outer diameter D 1 of knife handle 110 is 4mm ± 0.1mm；And the outer diameter D 2 of cutter head 120 be 2mm ±
When 0.1mm, the cutting face 1211 that 4 radius R are 0.85mm ± 0.05mm, the raising obtained are set in the end of cutter head 120
Processing efficiency, the effect for improving machining accuracy, slowing down tool wear speed are especially pronounced.
Milling cutter 100 provided by the embodiment of the utility model for processing graphite workpiece, is preferably applied to graphite jig
Processing, may make the machining accuracy of graphite jig relatively high.It of courses, in concrete application, the utility model embodiment is provided
The milling cutter 100 for processing graphite workpiece be equally applicable to process it is other using workpiece made of graphite jigs.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. being used for the milling cutter of processing graphite workpiece, the cutter head including knife handle and set on described knife handle one end, which is characterized in that described
Cutter head is set there are four cutting edge, four lands, four end chip spaces, four helical flutes and a blade connector, and four
The circumferentially spaced end back to the knife handle in the cutter head of a cutting edge, wherein there are two the cutting edges
Connect respectively with the both ends of the blade connector close to the inward flange of the cutter head center axis, other two described cutting edge
The inward flange close to the cutter head center axis be respectively separated positioned at the two sides of the blade connector, four lands difference
It is extended spirally in the side of the cutter head, described in four from the outer edge far from the cutter head center axis of four cutting edges
Helical flute is respectively arranged between each adjacent two land, and four end chip spaces are respectively arranged on described in each adjacent two
Between cutting edge, and one end of four end chip spaces is connected to four helical flutes respectively, two adjacent institutes
The other end for stating end chip space intersects at the side of the blade connector, the adjacent end chip space of another two it is another
End intersects at the other side of the blade connector, and the cutting edge has back to the cutting face of the knife handle, the cutting face
For smooth arc-shaped surface, and the radius value in the cutting face is 0.85mm ± 0.05mm.
2. being used for the milling cutter of processing graphite workpiece as described in claim 1, which is characterized in that four cutting edges are circumferentially
Uniformly it is spacedly distributed；And/or
Four lands are circumferentially uniformly spacedly distributed；And/or
The cutting face is spherical cambered surface.
3. being used for the milling cutter of processing graphite workpiece as described in claim 1, which is characterized in that the anterior angle angle of the cutting edge
It is 3 ° ± 1 °；And/or
The relief angles of the cutting edge are 11 ° ± 1 °.
4. the milling cutter as described in any one of claims 1 to 3 for processing graphite workpiece, which is characterized in that the cutting edge
Circumferential width be 0.15mm ± 0.05mm.
5. the milling cutter as described in any one of claims 1 to 3 for processing graphite workpiece, which is characterized in that the spiral row
The spiral angle for considering slot to be worth doing is 30 ° ± 2 °.
6. the milling cutter as described in any one of claims 1 to 3 for processing graphite workpiece, which is characterized in that define the sword
The development length of band is L1, and the development length for defining the helical flute is L2, then L1 and L2 meet following relationship: L1≤L2
≤(L1+0.5mm)。
7. being used for the milling cutter of processing graphite workpiece as described in claim 1, which is characterized in that the outer diameter of the knife handle is greater than institute
State the outer diameter of cutter head.
8. being used for the milling cutter of processing graphite workpiece as claimed in claim 7, which is characterized in that described to be used for processing graphite workpiece
Milling cutter further include transition connector, the form that the transition connector is gradually reduced with outer diameter is from the knife handle close to described
The end of cutter head extends to the end close to the knife handle of the cutter head.
9. being used for the milling cutter of processing graphite workpiece as claimed in claim 8, which is characterized in that the cutter head, the transition connect
Junctor, the knife handle are integrally formed.
10. such as claims 1 to 3 or 7 to 9 described in any item milling cutters for processing graphite workpiece, which is characterized in that described
The outer diameter of knife handle is 4mm ± 0.1mm；And/or
The outer diameter of the cutter head is 2mm ± 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874591.9U CN208450681U (en) | 2018-06-07 | 2018-06-07 | Milling cutter for processing graphite workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874591.9U CN208450681U (en) | 2018-06-07 | 2018-06-07 | Milling cutter for processing graphite workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208450681U true CN208450681U (en) | 2019-02-01 |
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ID=65160592
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820874591.9U Active CN208450681U (en) | 2018-06-07 | 2018-06-07 | Milling cutter for processing graphite workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208450681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672780A (en) * | 2018-06-07 | 2018-10-19 | 三砥新材（深圳）有限公司 | milling cutter for processing graphite workpiece |
-
2018
- 2018-06-07 CN CN201820874591.9U patent/CN208450681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672780A (en) * | 2018-06-07 | 2018-10-19 | 三砥新材（深圳）有限公司 | milling cutter for processing graphite workpiece |
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Effective date of registration: 20200921 Address after: Floor 1, building 1, xinwuwei Industrial Zone, No. 32, cuibao Road, Baolong street, Longgang District, Shenzhen City, Guangdong Province (1 / F, building 3, No. 30) Patentee after: SHENZHEN DONGFANG CARBON INDUSTRIAL Co.,Ltd. Address before: 518100 Building B, Building 1, New Generation Information Technology Industrial Park, No.8 Baoqing Road, Baolong Industrial Zone, Longgang Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SANDI NEW MATERIALS (SHENZHEN) Co.,Ltd. |