CN206747673U - T-shaped milling cutter - Google Patents
T-shaped milling cutter Download PDFInfo
- Publication number
- CN206747673U CN206747673U CN201720615639.XU CN201720615639U CN206747673U CN 206747673 U CN206747673 U CN 206747673U CN 201720615639 U CN201720615639 U CN 201720615639U CN 206747673 U CN206747673 U CN 206747673U
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- CN
- China
- Prior art keywords
- knife
- cutter head
- cutting face
- side tool
- shaped milling
- Prior art date
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Abstract
It the utility model is related to a kind of T-shaped milling cutter, including handle of a knife, the cutter head for being arranged at the conus portion of handle of a knife one end, the knife neck for connecting conus portion and connection knife neck one end；The handle of a knife is in cylindrical shape, has central axis；Conus portion is set in cone, and a changeover portion set in cone is connected between conus portion and knife neck, and the cone angle of the changeover portion is less than the cone angle of the conus portion；The cutter head is located at the described one end of knife neck away from the changeover portion, some side tool swords are provided with the cutter head, each side tool sword is equidistantly spaced in the end face circumference of the cutter head, and twist extends along the central axis, and helical angle is 30 °.Above-mentioned T-shaped milling is simple in construction, easy to manufacture, and rigidity is strong, and cutting resistance is small, and shockproof effect is good, and the knife mark that shakes is few.
Description
Technical field
Machining tool technical field is the utility model is related to, more particularly to a kind of T-shaped milling cutter.
Background technology
T-shaped milling cutter is for a T-slot in processing mobile phone center.The process processed due to mobile phone center in CNC
In to avoid fixture and do not collided, T-shaped milling cutter will design empty avoiding diameter and the long bottom of empty avoiding of certain value in design.
T-shaped milling cutter typically employs the processing technology of full knife cutting, imposed uniformity without examining individual cases in processing, firm due to T-shaped milling cutter
Property is limited, has heavier processing to shake the phenomenon of knife mark to the workpiece side wall for making to process, in order to ensure that quality has to drop
The feeding parameter that undercut is cut, but processing efficiency is low, production cost is high.
Utility model content
Based on this, it is necessary to for prior art problem, there is provided a kind of T-shaped milling cutter, do not change product design structure and
Also the knife mark that shakes can be reduced under cutting parameter.
A kind of T-shaped milling cutter, including the knife neck of handle of a knife, the conus portion for being arranged at described handle of a knife one end, the connection conus portion,
And the cutter head of the described knife neck one end of connection；The handle of a knife is in cylindrical shape, has central axis；The conus portion is in cone
Set, a changeover portion set in cone is connected between the conus portion and the knife neck, the cone angle of the changeover portion is small
In the cone angle of the conus portion；The cutter head is located at the described one end of knife neck away from the changeover portion, is provided with the cutter head
Some side tool swords, each side tool sword are equidistantly spaced in the end face circumference of the cutter head, and along the central shaft
Line twist extends, and helical angle is 30 °；The side tool sword include arc surface, the connection arc surface the first cutting face,
And second cutting face in connection first cutting face, the arc surface, first cutting face and second cutting face
Set along the outer peripheral edge of the cutter head, side of second cutting face away from first cutting face is provided with land, described
Land and second cutting face have a certain degree setting；Arc surface of the previous side tool sword towards the latter side tool sword
Side be provided with curved portions, the curved portions are connected with the land.
Above-mentioned T-shaped milling cutter includes handle of a knife, the conus portion for being arranged at handle of a knife one end, knife neck, the Yi Jilian for connecting conus portion
The cutter head of knife neck one end is connect, a changeover portion set in cone is connected between conus portion and knife neck, the T-shaped milling cutter construction letter
List, easy to manufacture, rigidity are strong；The helical angle of side tool sword is arranged to 30 °, the cutting component of side tool sword is increased, reduces and cut
Cut resistance；By setting land on side tool sword, add the shockproof effect of the T-shaped milling cutter, reduce the knife mark that shakes.
In one of the embodiments, one first chip area is formed between each side tool sword.
In one of the embodiments, it is provided with second row between the end face of the previous side tool sword and the latter side tool sword
Consider groove to be worth doing.
In one of the embodiments, the knife neck is in cylindrical shape, and the diameter of the knife neck is less than the straight of the handle of a knife
Footpath.
In one of the embodiments, the cutter head is in cylindrical shape, and the diameter of cutter head is more than the diameter of the knife neck,
The cutter head and the T-shaped structure setting of knife neck.
In one of the embodiments, the rectangular setting in first cutting face and second cutting face, described
One cutting face and second cutting face have a certain degree setting.
In one of the embodiments, the quantity of the side tool sword is four.
In one of the embodiments, the conus portion, knife neck, changeover portion and cutter head are respectively provided with common center with handle of a knife
Axis.
In one of the embodiments, the handle of a knife, the conus portion, the knife neck, the cutter head and the changeover portion
Be formed in one setting.
In one of the embodiments, titanium-aluminium alloy layer, nitrogen chromium silicide hard layer and titanium nitride are coated with the cutter head
Hard wear-resistant coating.
Brief description of the drawings
Fig. 1 is the stereogram of the T-shaped milling cutter of a better embodiment of the present utility model；
Fig. 2 is enlarged diagram at the A of Fig. 1 T-shaped milling cutter；
Fig. 3 is the schematic diagram of another angle of Fig. 1 T-shaped milling cutter；
The implication of each label is in accompanying drawing：
Handle of a knife -10, conus portion -20, knife neck -30, cutter head -40, side tool sword -41, the first chip area -42, arc surface -43,
First cutting face -44, the second cutting face -45, land -46, curved portions -47, the second chip area -48, changeover portion -50.
Embodiment
For the ease of understanding the utility model, the utility model will be described more fully below.But this practicality
It is new to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, provide these implementations
The purpose of example is to make the understanding more thorough and comprehensive to disclosure of the present utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Fig. 1 to Fig. 3 is refer to, is a kind of T-shaped milling cutter of the better embodiment of the utility model one, including handle of a knife 10, is set
It is placed in the cutter head 40 of the conus portion 20 of the one end of handle of a knife 10, the knife neck 30 of connection conus portion 20 and the one end of connection knife neck 30.
Handle of a knife 10 is in cylindrical shape, has central axis a, and the one end of handle of a knife 10 away from conus portion 20 is used to connect numerical control machine
The main shaft of bed.Conus portion 20, knife neck 30 and cutter head 40 are respectively provided with common central axis a with handle of a knife 10；Conus portion 20 is in circular cone
Shape is set；Knife neck 30 is in cylindrical shape, and the diameter of the knife neck 30 is much smaller than the diameter of handle of a knife 10；Conus portion 20 and knife neck 30 it
Between be connected with a changeover portion 50 set in cone, changeover portion 50 and handle of a knife 10 also have common central axis a, and transition
The cone angle of section 50 is less than the cone angle of conus portion 20, and the setting of changeover portion 50 can be reduced at the switching of conus portion 20 and knife neck 30
Stress concentration, enhancing rigidity, reduces breaking rate.In the present embodiment, handle of a knife 10, conus portion 20, knife neck 30, cutter head 40 and transition
Section 50 is formed in one setting.
Cutter head 40 is located at the one end of knife neck 30 away from changeover portion 50, and cutter head 40 is also substantially in cylindrical shape, and cutter head 40
Diameter is much larger than the diameter of knife neck 30, so as to cutter head 40 and 30 T-shaped structure setting of knife neck.Titanium-aluminium alloy is coated with cutter head 40
Layer, nitrogen chromium silicide hard layer and titanium nitride hard wear-resistant coating, high temperature resistant, hardness is good, can adapt to various harsh processing rings
Border, service life are longer.Some side tool swords 41 are provided with cutter head 40, each side tool sword 41 is equidistant in the end face circumference of cutter head 40
From interval setting, and twist extend along central axis a, and helical angle is 30 °, so as to increase the cutting of side tool sword 41
Component, reduce cutting resistance.One first chip area 42 is formed between each side tool sword 41, for that can be discharged in time during machining
Chip simultaneously effectively dissipates heat.Side tool sword 41 includes arc surface 43, the first cutting face 44 for connecting arc surface 43 and connection
Second cutting face 45 in the first cutting face 44；The periphery of arc surface 43, the first cutting face 44 and the second cutting face 45 along cutter head 40
Edge is set, the rectangular setting in the first cutting face 44 and the second cutting face 45, and the first cutting face 44 and the second cutting face 45 into
Certain angle is set；Side of second cutting face 45 away from the first cutting face 44 is provided with land 46, the second cutting face 45 with
Land 46 has a certain degree setting, because cutter head 40 and handle of a knife 10 have common central axis a, so land 46 is set
Put so that the T-shaped milling cutter there will not be big vibration in the case where high speed rotates, i.e., can reduce the knife mark that shakes of workpiece.
The side of previous side tool sword 41 towards the arc surface 43 of latter side tool sword 41 is provided with curved portions 47, curved portions 47 with
Land 46 is connected, and the setting of curved portions 47 advantageously reduces the stress between side tool sword 41 and workpiece, while is also beneficial to dissipate
Heat, reduce the damage of side tool sword 41.The second chip area 48 is provided between the end face of previous side tool sword 41 and latter side tool sword 41, the
It is big that two chip areas 48 not only hold bits amount, and during rotation, chip is larger by the extruding force of cell wall, so as to quick
Guide the discharge of chip.In the present embodiment, the quantity of side tool sword 41 is four.
T-shaped milling cutter of the present utility model includes handle of a knife 10, the conus portion 20 for being arranged at the one end of handle of a knife 10, connection conus portion 20
Knife neck 30 and the one end of connection knife neck 30 cutter head 40, one is connected between conus portion 20 and knife neck 30 and is set in cone
Changeover portion 50, the T-shaped milling cutter construction is simple, easy to manufacture, rigidity are strong；The helical angle of side tool sword 41 is arranged to 30 °, increased
The cutting component of side tool sword 41, reduces cutting resistance.By setting land 46 on side tool sword 41, the T-shaped milling is added
The shockproof effect of knife, reduce the knife mark that shakes.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of T-shaped milling cutter, it is characterised in that including handle of a knife, be arranged at the conus portion of described handle of a knife one end, connect the circular cone
The knife neck in portion and the cutter head of the described knife neck one end of connection；The handle of a knife is in cylindrical shape, has central axis；The circular cone
Portion is set in cone, and a changeover portion set in cone, the transition are connected between the conus portion and the knife neck
The cone angle of section is less than the cone angle of the conus portion；The cutter head is located at the described one end of knife neck away from the changeover portion, the knife
Some side tool swords are provided with head, each side tool sword is equidistantly spaced in the end face circumference of the cutter head, and equal edge
The central axis twist extends, and helical angle is 30 °；The side tool sword includes arc surface, connects the arc surface
First cutting face and second cutting face in connection first cutting face, the arc surface, first cutting face and described
Outer peripheral edge of second cutting face along the cutter head is set, and side of second cutting face away from first cutting face is provided with
Land, the land and second cutting face have a certain degree setting；The previous side tool sword is towards the latter side tool
The side of the arc surface of sword is provided with curved portions, and the curved portions are connected with the land.
2. T-shaped milling cutter according to claim 1, it is characterised in that：One first chip area is formed between each side tool sword.
3. T-shaped milling cutter according to claim 2, it is characterised in that：The previous side tool sword and the latter side tool sword
The second chip area is provided between end face.
4. T-shaped milling cutter according to claim 1, it is characterised in that：The knife neck is in cylindrical shape, and the diameter of the knife neck
Less than the diameter of the handle of a knife.
5. T-shaped milling cutter according to claim 4, it is characterised in that：The cutter head is in cylindrical shape, and the diameter of cutter head is big
In the diameter of the knife neck, the cutter head and the T-shaped structure setting of knife neck.
6. T-shaped milling cutter according to claim 1, it is characterised in that：First cutting face and second cutting face are equal
Rectangular setting, first cutting face and second cutting face have a certain degree setting.
7. T-shaped milling cutter according to claim 1, it is characterised in that：The quantity of the side tool sword is four.
8. T-shaped milling cutter according to claim 1, it is characterised in that：The conus portion, knife neck, changeover portion and cutter head and knife
Handle is respectively provided with common central axis.
9. T-shaped milling cutter according to claim 8, it is characterised in that：It is the handle of a knife, the conus portion, the knife neck, described
Cutter head and the changeover portion are formed in one setting.
10. T-shaped milling cutter according to claim 9, it is characterised in that：Coated with titanium-aluminium alloy layer, nitrogen silicon on the cutter head
Change chromium hard layer and titanium nitride hard wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615639.XU CN206747673U (en) | 2017-05-27 | 2017-05-27 | T-shaped milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615639.XU CN206747673U (en) | 2017-05-27 | 2017-05-27 | T-shaped milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206747673U true CN206747673U (en) | 2017-12-15 |
Family
ID=60621380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720615639.XU Active CN206747673U (en) | 2017-05-27 | 2017-05-27 | T-shaped milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206747673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551057A (en) * | 2018-12-17 | 2019-04-02 | 深圳市金洲精工科技股份有限公司 | Vehicle needle |
| CN113385723A (en) * | 2021-06-02 | 2021-09-14 | 东莞长盈精密技术有限公司 | Milling cutter |
-
2017
- 2017-05-27 CN CN201720615639.XU patent/CN206747673U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551057A (en) * | 2018-12-17 | 2019-04-02 | 深圳市金洲精工科技股份有限公司 | Vehicle needle |
| CN109551057B (en) * | 2018-12-17 | 2023-12-15 | 深圳市金洲精工科技股份有限公司 | Needle for turning |
| CN113385723A (en) * | 2021-06-02 | 2021-09-14 | 东莞长盈精密技术有限公司 | Milling cutter |
| CN113385723B (en) * | 2021-06-02 | 2022-09-06 | 东莞长盈精密技术有限公司 | Milling cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: T-shaped milling cutter with replaceable tool bit Effective date of registration: 20180420 Granted publication date: 20171215 Pledgee: China Co truction Bank Corp Dongguan Changan branch Pledgor: DONGGUAN FULLANTI TOOLS CO., LTD. Registration number: 2018440000093 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191028 Granted publication date: 20171215 Pledgee: China Co truction Bank Corp Dongguan Changan branch Pledgor: DONGGUAN FULLANTI TOOLS CO., LTD. Registration number: 2018440000093 |