CN207288995U - The T-shaped knife of dovetail chamfering - Google Patents
The T-shaped knife of dovetail chamfering Download PDFInfo
- Publication number
- CN207288995U CN207288995U CN201621005184.1U CN201621005184U CN207288995U CN 207288995 U CN207288995 U CN 207288995U CN 201621005184 U CN201621005184 U CN 201621005184U CN 207288995 U CN207288995 U CN 207288995U
- Authority
- CN
- China
- Prior art keywords
- knife
- supporting part
- cutter head
- groove
- cutter
- 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.)
- Expired - Fee Related
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- Milling Processes (AREA)
Abstract
It the utility model is related to cutting tool technical field, more particularly to the T-shaped knife of dovetail chamfering.Pass through handle of a knife, handle of a knife connection cutter head；The cutter head center is provided with fluting, which is respectively the first milling portion and the second milling portion；The first, second milling portion includes the first supporting part close to fluting, and the second supporting part of the first supporting part connection；The height of first supporting part is less than the height of the second supporting part；The second supporting part top is provided with the first groove close to the side of the first supporting part, which sets bending part close to the side of the second supporting part；The top surface of first, second supporting part is both provided with milling cutter groove；Cutter blade is equipped with the milling cutter groove, cutter blade top surface sets the second groove being adapted with the first groove shapes, and cutter blade bottom surface is arc-shaped；Make the T-shaped knife one-pass molding of dovetail chamfering, avoid repeating to knife tool changing.
Description
Technical field
It the utility model is related to cutting tool technical field, more particularly to the T-shaped knife of dovetail chamfering.
Background technology
Milling cutter, is the rotary cutter for Milling Process, with one or more cutters tooth；In Milling Processes,
When milling carries boss dovetail groove, since boss and the distance between dovetail groove are smaller, not only needed using general milling cutter
Tool changing is repeated to knife, but also is easy to cause the problems such as precision is not high.
Utility model content
The purpose of this utility model be to provide can one-pass molding, avoid repeating to the T-shaped knife of dovetail chamfering of knife tool changing.
The technical solution of the utility model is as follows：
The T-shaped knife of dovetail chamfering, it is characterised in that including handle of a knife, handle of a knife connection cutter head；The cutter head center is provided with out
Groove, the cutter head both sides are respectively the first milling portion and the second milling portion；The first, second milling portion is included close to fluting
First supporting part, and the second supporting part of the first supporting part connection；The height of first supporting part is less than the second supporting part
Height；The second supporting part top is provided with the first groove close to the side of the first supporting part, and first groove is close to
The side of two supporting parts sets bending part；The top surface of first, second supporting part is both provided with milling cutter groove；In the milling cutter groove
Cutter blade is equipped with, cutter blade top surface sets the second groove being adapted with the first groove shapes, and cutter blade bottom surface is arc-shaped.
To be detachably connected between the handle of a knife and cutter head, connected between the cutter head and handle of a knife by attachment device.Due to
Cutter head structure is complex, and production cost is higher, and using dismountable connection mode, knife is only needed replacing after milling cutter pad wear
Head.
It is welding between the handle of a knife and cutter head.By the way of welding, production cost is low, and handle of a knife and cutter head can be with
Using different materials.
The attachment device includes the first mounting hole through handle of a knife；The cutter head, which is equipped with to coordinate with the first mounting hole, to be made
Second mounting hole；The second location hole connected with the second mounting hole is provided with the cutter head.When mounted, only need to be by spiral shell
After bolt is screwed into first, second mounting hole, it is screwed into by another bolt in the second location hole.
The attachment device includes being arranged on the jack at cutter head fluting, and is arranged on handle of a knife and is used cooperatively with jack
Inserted link；The first location hole of connection jack is provided with the cutter head.When mounted, after only inserted link need to be inserted into jack,
Fastening bolt is screwed into the first location hole.
The second groove floor center is provided with triangle wedge angle.By setting triangle wedge angle, it is easy in milling
The groove of triangle is washed out on annular protrusion.
The angle a of the triangle wedge angle is 50 ° -70 °.When the angle of triangle wedge angle is 50 °, Milling Force is larger；When
When the angle of triangle is 70 °, the structure of triangle wedge angle is firmer, is not susceptible to deform；Preferably, when triangle wedge angle
Angle is 60 °, and Milling Force is larger, and is unlikely to deform.
The total length L 1 of the cutter head and handle of a knife is 88mm-90mm；The cutter head total length L 2 is 44mm-45mm, cutter head
Diameter H1 is 68mm-70mm.When the total length of cutter head and handle of a knife is 89.5mm；Cutter head total length is 44.5mm, and tool bit diameter is
During 69mm, forming cutter structure is more stable, is not susceptible to deform.
The beneficial effects of the utility model are：Since cutter head includes fluting, the first milling portion and the second milling portion, in milling
During workpiece, workpiece side can be caused to be molded, avoid repeating tool changing；By on the second supporting part top close to the first supporting part
Side is provided with the first groove, to mill out the protrusion of annular, and due to setting bending part on the first groove, with protrusion
Outside forms tapered portion；Since cutter blade bottom is arc-shaped, strengthens the intensity of cutter blade, be unlikely to deform it.
Brief description of the drawings
By detailed description below in conjunction with the accompanying drawings, the utility model is foregoing to incite somebody to action with other objects, features and advantages n
Become apparent.
Wherein：Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model I portions enlarged structure schematic diagram；
In attached drawing, 1 is handle of a knife, and 2 be cutter head, and 3 be the first groove, and 4 be the first milling portion, and 5 be the second milling portion, and 7 be
One supporting part, 8 be the second supporting part, and 9 be fluting, and 10 be bending part, and 11 be milling cutter groove, and 12 be cutter blade, and 16 be the first installation
Hole, 17 be the second mounting hole, and 18 be the second location hole, and 20 be triangle wedge angle, and 21 be the second groove.
Embodiment
Referring to shown in Fig. 1-Fig. 2, the T-shaped knife of dovetail chamfering, it is characterised in that including handle of a knife 1, handle of a knife connection cutter head 2；It is described
Cutter head center is provided with fluting 3, which is respectively the first milling portion 4 and the second milling portion 5；First, second milling
Cutting portion includes the first supporting part 6 close to fluting, and the second supporting part 8 of the first supporting part connection；First support
The height in portion is less than the height of the second supporting part；The second supporting part top is provided with first close to the side of the first supporting part
Groove 9, first groove set bending part 10 close to the side of the second supporting part；The top surface of first, second supporting part is equal
It is provided with milling cutter groove 11；Cutter blade 12 is equipped with the milling cutter groove, cutter blade top surface sets and is adapted with the first groove shapes
The second groove, and cutter blade bottom surface is arc-shaped.Since cutter head includes fluting, the first milling portion and the second milling portion, in milling
It during workpiece, can cause flanged dovetail groove one-pass molding, avoid repeating tool changing；By on the second supporting part top close to
The side of one supporting part is provided with the first groove, to mill out the protrusion of annular, and due to setting bending on the first groove
Portion, to form tapered portion on the outside of protrusion；Since cutter blade bottom is arc-shaped, strengthens the intensity of cutter blade, be unlikely to deform it.
To be detachably connected between the handle of a knife and cutter head, connected between the cutter head and handle of a knife by attachment device.Due to
Cutter head structure is complex, and production cost is higher, and using dismountable connection mode, knife is only needed replacing after milling cutter pad wear
Head.
The handle of a knife is integrally formed with cutter head.Since handle of a knife and cutter head use integrally formed mode, with strengthen handle of a knife and
The structural strength of cutter head.
It is welding between the handle of a knife and cutter head.By the way of welding, production cost is low, and handle of a knife and cutter head can be adopted
With different materials.
The attachment device includes the first mounting hole 16 through handle of a knife；The cutter head is equipped with to be coordinated with the first mounting hole
The second mounting hole 17 used；The second location hole 18 connected with the second mounting hole is provided with the cutter head.When mounted, only
After need to bolt be screwed into first, second mounting hole, it is screwed into by another bolt in the second location hole.
The attachment device includes being arranged on the jack at cutter head fluting, and is arranged on handle of a knife and is used cooperatively with jack
Inserted link；The first location hole of connection jack is provided with the cutter head.When mounted, after only inserted link need to be inserted into jack,
Fastening bolt is screwed into the first location hole.
The handle of a knife in cutter head with being provided with cooling fluid through-hole.Fluid through-hole is cooled down by setting, in order to the cold of cutter head
But.
The second groove floor center is provided with triangle wedge angle 20.By setting triangle wedge angle, in milling just
In the groove that triangle is washed out on annular protrusion.
The angle a of the triangle wedge angle is 50 ° -70 °.When the angle of triangle wedge angle is 50 °, Milling Force is larger；When
When the angle of triangle is 70 °, the structure of triangle wedge angle is firmer, is not susceptible to deform；Preferably, when triangle wedge angle
Angle is 60 °, and Milling Force is larger, and is unlikely to deform.
The total length L 1 of the cutter head and handle of a knife is 88mm-90mm；The cutter head total length L 2 is 44mm-45mm, cutter head
Diameter H1 is 68mm-70mm.When the total length of cutter head and handle of a knife is 89.5mm；Cutter head total length is 44.5mm, and tool bit diameter is
During 69mm, forming cutter structure is more stable, is not susceptible to deform.
It is 14mm-16mm that two cutter blade surrounds round diameter H2 close to the side of fluting side；Two milling cutter
It is 51mm-52mm that second groove side of the piece away from fluting, which surrounds round diameter H3, and two cutter blades are recessed close to second to slot
It is 41mm-42mm that groove side, which surrounds round diameter H4,；Second groove, 21 bottom surface is to the distance between cutter blade top surface L3
For 9mm-10mm.It is 15mm when two cutter blades surround round diameter close to the side of fluting side；Two cutter blade is remote
It is 51.95mm that second groove side of fluting, which surrounds round diameter, and two cutter blades are enclosed close to the second groove side of fluting
It is 41.62mm into round diameter；Second groove floor to the distance between cutter blade top surface be 9.5mm when, milling effect
Good, dimensional accuracy is high.
Milling cutter groove in the first, second milling portion is set clockwise.Since milling cutter groove is set clockwise, milling effect
More preferably.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, it is every according to any simple modification made in the technical essence of the utility model to above example, equivalent variations, fall
Enter within the scope of protection of the utility model.
Claims (8)
1. the T-shaped knife of dovetail chamfering, it is characterised in that including handle of a knife, handle of a knife connection cutter head；The cutter head center is provided with fluting,
The cutter head both sides are respectively the first milling portion and the second milling portion；The first, second milling portion includes the close to fluting
One supporting part, and the second supporting part of the first supporting part connection；The height of first supporting part is less than the second supporting part
Highly；The second supporting part top is provided with the first groove close to the side of the first supporting part, and first groove is close to second
The side of supporting part sets bending part；The top surface of first, second supporting part is both provided with milling cutter groove；In the milling cutter groove
Equipped with cutter blade, cutter blade top surface sets the second groove being adapted with the first groove shapes, and cutter blade bottom surface is arc-shaped.
2. the T-shaped knife of dovetail chamfering according to claim 1, it is characterised in that be detachable between the handle of a knife and cutter head
Connection, is connected between the cutter head and handle of a knife by attachment device.
3. the T-shaped knife of dovetail chamfering according to claim 1, it is characterised in that be welding between the handle of a knife and cutter head.
4. the T-shaped knife of dovetail chamfering according to claim 1, it is characterised in that the attachment device is included through handle of a knife
First mounting hole；The cutter head is equipped with the second mounting hole being used cooperatively with the first mounting hole；Be provided with the cutter head with
Second location hole of the second mounting hole connection.
5. the T-shaped knife of dovetail chamfering according to claim 1, it is characterised in that the attachment device includes being arranged on cutter head
Jack at fluting, and it is arranged on the inserted link being used cooperatively on handle of a knife with jack；Connection jack is provided with the cutter head
First location hole.
6. the T-shaped knife of dovetail chamfering according to claim 1, it is characterised in that the second groove floor center is provided with
Triangle wedge angle.
7. the T-shaped knife of dovetail chamfering according to claim 6, it is characterised in that the angle of the triangle wedge angle for 50 °-
70°。
8. the T-shaped knife of dovetail chamfering according to claim 1, it is characterised in that the total length of the cutter head and handle of a knife is
88mm-90mm；The cutter head total length is 44mm-45mm, tool bit diameter 68mm-70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005184.1U CN207288995U (en) | 2016-08-31 | 2016-08-31 | The T-shaped knife of dovetail chamfering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005184.1U CN207288995U (en) | 2016-08-31 | 2016-08-31 | The T-shaped knife of dovetail chamfering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207288995U true CN207288995U (en) | 2018-05-01 |
Family
ID=62270194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005184.1U Expired - Fee Related CN207288995U (en) | 2016-08-31 | 2016-08-31 | The T-shaped knife of dovetail chamfering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207288995U (en) |
-
2016
- 2016-08-31 CN CN201621005184.1U patent/CN207288995U/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: 20180501 Termination date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |