CN109676181A - A kind of cutting tool and its cutting edge portion with Dual-head chamfering function - Google Patents
A kind of cutting tool and its cutting edge portion with Dual-head chamfering function Download PDFInfo
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- CN109676181A CN109676181A CN201910138429.XA CN201910138429A CN109676181A CN 109676181 A CN109676181 A CN 109676181A CN 201910138429 A CN201910138429 A CN 201910138429A CN 109676181 A CN109676181 A CN 109676181A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 189
- 239000000463 material Substances 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000012545 processing Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 239000011148 porous material Substances 0.000 description 8
- 238000003801 milling Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Drilling Tools (AREA)
Abstract
The present invention relates to delicate machine tools fields, a kind of cutting tool and its cutting edge portion with Dual-head chamfering function is disclosed, cutting edge portion includes cutter body and several cutting edges in cutter body, cutting edge is helical form, each cutting edge is circumferentially set to the outer surface of cutter body along the center line of cutter body, is equipped with chip space between two neighboring cutting edge；Cutter body includes body front part, interconnecting piece and back body, body front part includes the front end face and the first frustum of a cone for being gradually reduced from front to back of outer diameter for being connected to interconnecting piece, back body includes the rear end face and the second frustum of a cone for being gradually increased from front to back of outer diameter for being connected to interconnecting piece, the front end of cutting edge is set to the side of body front part, and side of the cutting edge successively along the side of body front part, the side of interconnecting piece and back body extends.The invention has the benefit that the manufacturing procedure of reaming, upper chamfering and lower chamfering can be completed at the same time, save tool changing and to the knife time, improve production efficiency.
Description
Technical field
The present invention relates to delicate machine tools technical fields, more particularly to a kind of bite with Dual-head chamfering function
Tool and its cutting edge portion.
Background technique
In the prior art, when processing pore structure using Conventional cutting tools, it usually needs be related to drilling, reaming and chamfering three
A manufacturing procedure, and correspond to each manufacturing procedure and be required to replace different cutting tools, this not only will increase installation cutter
Time and to the knife time, production efficiency is reduced, and then also makes that the production cost increases；In addition, when being added with traditional cutting tool
When the hard brittle prods such as work glass, ceramics or sapphire, production efficiency is lower, and the abrasion of cutting tool is larger, bite
The service life of tool reduces.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of cutting tool with Dual-head chamfering function and
Its cutting edge portion can integrate reaming and upper and lower chamfering function, improve processing efficiency.
To achieve the goals above, the first aspect of the present invention provides a kind of cutting edge portion for cutting tool, packet
Cutter body and several cutting edges in the cutter body are included, the cutting edge is helical form, each cutting edge edge
The center line of the cutter body is circumferentially set to the outer surface of the cutter body, is equipped between the two neighboring cutting edge
Chip space；
The cutter body includes being sequentially connected from front to back and coaxial body front part, interconnecting piece and back body, institute
State that interconnecting piece is cylindrical, the body front part includes the first frustum of a cone for being connected to the front end face of the interconnecting piece, described
The outer diameter of first frustum of a cone is gradually reduced from front to back, and the back body includes the rear end face for being connected to the interconnecting piece
The outer diameter of second frustum of a cone, second frustum of a cone is gradually increased from front to back；
The front end of the cutting edge is set to the side of the body front part, and the cutting edge is successively along the body front part
Side, the side of the interconnecting piece and the side of the back body extend, the rear end of the cutting edge is set to the main body
The side at rear portion.
Preferably, the cutting edge is shaped in the cutter body.
Preferably, the material of the cutting edge portion is polycrystalline diamond.
Preferably, the outer diameter of first frustum of a cone rear end is equal with the outer diameter of the interconnecting piece, and described
The outer diameter of two frustum of a cone front ends is equal with the outer diameter of the interconnecting piece.
Preferably, the body front part further includes the first circle for being connected to the front end face of first frustum of a cone
Cylinder, the back body further include the second cylindrical body for being connected to the rear end face of second frustum of a cone.
Preferably, the outer diameter of first cylindrical body is equal with the outer diameter of first frustum of a cone front end, institute
The outer diameter for stating the second frustum of a cone front end is equal with the outer diameter of the interconnecting piece.
Preferably, the front end of the cutting edge is set on the side of first cylindrical body, and the cutting
Sword is successively along the side of first cylindrical body, the side of first frustum of a cone, the side of the interconnecting piece and described
The side of two frustum of a cones extends, and the rear end of the cutting edge is set on the side of second frustum of a cone.
Preferably, between the side of first frustum of a cone and the central axis of the cutter body and described
Angle between the side of second frustum of a cone and the central axis of the cutter body is 30 °~60 °.
Preferably, the front end of the cutting edge is arranged along the edge of the front end face of the body front part.
Preferably, the maximum outside diameter of the body front part is less than the maximum outside diameter of the back body.
Preferably, the maximum outside diameter of the cutter body is the ㎜ of 1 ㎜~20, and the length of the cutter body is
The ㎜ of 1.5 ㎜~7.
Preferably, the tread of the cutting edge is the ㎜ of 0.01 ㎜~0.5, a length of 1.2 ㎜ of the sword of the cutting edge
~6 ㎜, the groove depth of the chip space are the ㎜ of 0.05 ㎜~0.20, and the groove width of the chip space is the ㎜ of 0.1 ㎜~0.35.
Preferably, the hand of spiral of the cutting edge is left-handed or dextrorotation, and the helical angle of the cutting edge is
20 °~65 °.
Same purpose, the second aspect of the present invention also provide a kind of cutting tool comprising tool shank and are installed on
The cutting edge portion as described in relation to the first aspect of the tool shank front end, the rear end face of the tool shank and the cutter body
Connection.
Compared with prior art, the beneficial effects of the present invention are:
In cutting tool in the embodiment of the present invention, cutting edge portion includes cutter body and is set on cutter body surface
Several cutting edges, several cutting edges are circumferentially distributed along the center line of cutter body, and multiple cutting edges can bear larger jointly
Cutting force, be suitable for higher cutting speed and the biggish amount of feeding, improve the service life of cutting tool；In addition, cutting
Main body includes sequentially connected body front part, interconnecting piece and back body from front to back, and body front part passes through the first butt circle
Cone is connect with the front end face of interconnecting piece, and back body is connected by the rear end face of the second frustum of a cone and interconnecting piece, the first butt
Between the side of circular cone and the side of interconnecting piece, between the side of the second frustum of a cone and the side of interconnecting piece be in a clamp
Angle, cutting edge successively extend to interconnecting piece and back body from body front part, cutting edge be located on the first frustum of a cone side and
Part on second frustum of a cone side is respectively utilized to complete lower chamfering and upper chamfering in pore structure, and is set on interconnecting piece
Cutting edge part then achievable reaming process, can be completed at the same time reaming, upper chamfering and lower chamfering using the cutting edge portion, can
It reduces tool change time and to the knife time, shortens process time, so that processing efficiency be made to increase substantially.
It further, can be in the outer surface processing quantity of cutter body by cutting edge and cutter body using being integrally formed
More cutting edge can be improved the integral strength of cutting tool, increase the service life of cutting tool.
Further, cutting edge portion is made of polycrystalline diamond material, can further increase cutting edge hardness and
Intensity improves machining accuracy and processing efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of cutting edge portion in the embodiment of the present invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is cross-sectional view of the cutting edge portion in Fig. 1 along interconnecting piece；
Fig. 4 is a kind of structural schematic diagram of cutting tool in the embodiment of the present invention.
In figure, 1, cutting edge portion；10, cutter body；11, body front part；111, the first frustum of a cone；112, the first cylinder
Body；12, interconnecting piece；13, back body；131, the second frustum of a cone；132, the second cylindrical body；20, cutting edge；21, lower chamfering
Section；22, reaming section；23, upper chamfering section；30, chip space；2, tool shank.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.It should be understood that being retouched in the present invention using term " first ", " second " etc.
Various information are stated, but these information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other
It opens.For example, without departing from the present invention, " first " information can also be referred to as " second " information, it is similar,
" second " information can also be referred to as " first " information.
In addition, it is necessary to illustrate, in description of the invention, term " front end " and " rear end " refer to that cutting tool exists
It is " front end " close to one end of workpieces processing when use process, is " rear end " away from one end of workpieces processing.
As shown in Figure 1-Figure 3, the first aspect of the embodiment of the present invention provides a kind of cutting edge portion 1 for cutting tool,
It includes cutter body 10 and several cutting edges 20 in the cutter body 10, and the cutting edge 20 is helical form, respectively
The cutting edge 20 is circumferentially set to the outer surface of the cutter body 10 along the center line of the cutter body 10, two neighboring
Chip space 30 is equipped between the cutting edge 20, in the present embodiment, several spiral helicine cutting edges 20 are along cutter body 10
Central axis is circumferentially distributed, and multiple cutting edges 20 can bear biggish cutting force jointly, is suitable for higher cutting speed and larger
The amount of feeding, can be improved the service life of cutting tool；Illustratively, it cuts when being provided with 30~50 in cutting edge portion 1
When cutting sword 20, the product surface roughness after processing can reach 30nm~350nm, 10~20 times higher than conventional tool.
During the cutting process, the rotation of cutter body 10 drives each cutting edge 20 to rotate, cutting edge 20 to workpiece to be processed into
The removal of row material, cutting swarf are discharged from chip space 30, can be avoided cutting swarf to adverse effect caused by process.
Further, the cutter body 10 includes being sequentially connected from front to back and coaxial body front part 11, interconnecting piece
12 and back body 13, the interconnecting piece 12 is cylindrical, i.e. the outer diameter of interconnecting piece 12 remains unchanged from front to back, the main body
Front 11 includes the first frustum of a cone 111 for being connected to the front end face of the interconnecting piece 12, first frustum of a cone 111 it is outer
Diameter is gradually reduced from front to back, and the back body 13 includes the second frustum of a cone for being connected to the rear end face of the interconnecting piece 12
131, the outer diameter of second frustum of a cone 131 is gradually increased from front to back；The front end of the cutting edge 20 is set to the main body
The side of front 11, and the cutting edge 20 is successively along the side of the body front part 11, the side of the interconnecting piece 12 and institute
The side for stating back body 13 extends, and the rear end of the cutting edge 20 is set to the side of the back body 13.In the present embodiment,
Cutting edge 20 includes sequentially connected three sections from front to back, for ease of description, cutting edge 20 is set to the portion of body front part 11
Divide and be defined as lower chamfering section 21, the part that cutting edge 20 is set to interconnecting piece 12 is defined as reaming section 22, cutting edge 20 is set to
The part of back body 13 is defined as chamfering section 23；Wherein, lower chamfering section 21 and upper chamfering section 23 can be respectively completed lower chamfering
Process and upper chamfering process, reaming section 22 are used for reaming.
Based on the above-mentioned technical proposal, a kind of cutting edge portion 1 is provided in the present embodiment, reaming, upper chamfering can be used for simultaneously
And lower chamfering, it is only necessary to cutter can be completed using one the processing of pore structure, much knives that no replacement is required tool to respectively reaming and
Chamfering can save tool change time and to the knife time, shorten process time, improve production efficiency, reduce production cost.
In the present embodiment, it is preferable that the outer diameter phase of the outer diameter and the interconnecting piece 12 of 111 rear end of the first frustum of a cone
Deng the outer diameter of 131 front end of the second frustum of a cone is equal with the outer diameter of the interconnecting piece 12, can guarantee to be processed
In pore structure, the central part of upper chamfering, lower chamfered part and pore structure is smooth transition.Alternatively, may be used
By the outer diameter of 131 front end of the outer diameter of 111 rear end of the first frustum of a cone and the second frustum of a cone be disposed as less times greater than or it is small
In the outer diameter of interconnecting piece 12.
Specifically, the cutting edge 20 is shaped in cutter body 10, can simplify production technology, and can be identical
More cutting edge 20 is set in the cutter body 10 of outer diameter, and the design of the form and structure of cutting edge 20 is more more
Sample.Illustratively, the integral formation method of cutter body 10 and cutting edge 20 can be casting, increasing material manufacturing, can also pass through
Cutting edge 20 is formed through removal material post-processing on the blank of cutting edge main body, such as milling, spark cutting, chemical attack
Deng.
In the present embodiment, it is preferable that the material of the cutting edge portion 1 is polycrystalline diamond, due to polycrystalline diamond material
Hardness it is high, the cutting hardness of cutting edge 20 can be improved, to effectively improve cutting precision and stock-removing efficiency, and be able to extend and make
Use the service life；In addition, the cutting edge portion 1 of polycrystalline diamond material is hard crisp especially suitable for processing glass, ceramics or sapphire etc.
Property product processing glass, ceramics or sapphire are added using the cutting tool in the present embodiment for universal cutter
Working hour, service life can be improved 8-10 times.
It is attached as shown in fig.1, between the side of first frustum of a cone 111 and the central axis of the cutter body 10
Angle is α, the taper of the lower chamfering section 21 of α namely cutting edge 20, the side of second frustum of a cone 131 and cutting master
Angle between the central axis of body 10 is β, the taper of the upper chamfering section 23 of β namely cutting edge 20；In order to reach institute by milling
The demand for needing molding pore structure, is disposed as 30 °~60 ° for α and β；Illustratively, α and β is 45 °.
Preferably, in the present embodiment, referring specifically to shown in attached drawing 1, the length L1 of the interconnecting piece 12 and the main body
The ratio range of the length L2 of front 11 is 2-5, and the length L1 of the interconnecting piece 12 is with the length L3's of the back body 13
Ratio range is 1.5-4；Length between three by the way that body front part 11, interconnecting piece 12 and back body 13 is rationally arranged is closed
System, the effective sword for capableing of the lower chamfering section 21 of reasonable layout cutting edge 20, reaming section 22 and upper chamfering section 23 is long, to meet needs
The specific requirements of molding pore structure.
In the present embodiment, the front end of the cutting edge 20 is set to the edge of the front end face of the body front part 11, and institute
The edge of the rear end of cutting edge 20 and the rear end face of back body 13 is stated at a distance, with the cutting tool that practices every conceivable frugality
Processing cost.
Illustratively, the body front part 11 in the present embodiment further includes being connected to first frustum of a cone 111
First cylindrical body 112 of front end face, the back body 13 further include the rear end face for being connected to second frustum of a cone 131
The front end of second cylindrical body 132, cutting edge 20 is set on the side of the first cylindrical body 112 along the edge of its front end face, and is cut
Cut sword 20 successively by the side of the first cylindrical body 112, the side of the first frustum of a cone 111, interconnecting piece 12 side and second
Behind the side of frustum of a cone 131, the rear end of cutting edge 20 is set to the connection of the second frustum of a cone 131 and the second cylindrical body 132
Place；Preferably, cutting edge 20 is located at the part on the first cylindrical body 112, and top surface is parallel with the central axis of cutter body 10.
In the present embodiment, it is preferable that the outer diameter of first cylindrical body 112 and 111 front end of the first frustum of a cone
Outer diameter is equal, and the outer diameter of second cylindrical body 132 is equal with the outer diameter of 131 rear end of the second frustum of a cone.Similarly,
It can set the outer diameter of the first cylindrical body 112 to differ with the outer diameter of 111 front end of the first frustum of a cone, and by the second cylindrical body
132 outer diameter is set as unequal with the outer diameter of 131 rear end of the second frustum of a cone.
Preferably, in the present embodiment, the maximum that the maximum outside diameter of the body front part 11 is less than the back body 13 is outer
Diameter.
In the present embodiment, the number of cutting edge 20 depends primarily on the size of cutter body 10 and the tread of cutting edge 20,
After the outer diameter of cutter body 10 determines, the tread of cutting edge 20 is smaller, then the number of cutting edge 20 is more；In order to meet
Process requirements, the maximum outside diameter of the cutter body 10 are the ㎜ of 1 ㎜~20, and the length L of the cutter body 10 is 1.5 ㎜~7
㎜, the tread a of the cutting edge 20 are the ㎜ of 0.01 ㎜~0.5, and the long Lr of sword of the cutting edge 20 is the ㎜ of 1.2 ㎜~6, the row
The groove depth b for considering slot 30 to be worth doing is the ㎜ of 0.05 ㎜~0.20, and the groove depth of chip space 30 should be long with the tread of corresponding cutting edge 20 and sword
Match, the groove width c of chip space 30 is the ㎜ of 0.1 ㎜~0.35；Based on the above-mentioned outer diameter to cutter body 10 and cutting edge 20
The restriction of tread, settable 6~200, even more cutting edge 20 in cutting edge portion 1.
It should be noted that in the present embodiment, the tread of cutting edge 20 refer between the two sides of cutting edge 20 away from
From being marked in fig. 3 with a, long front end to its rear end for referring to cutting edge 20 of the sword of cutting edge 20 is along cutter body 10
The distance of central axis direction, is marked with Lr in fig. 1.
Preferably, the helical angle of the cutting edge 20 in the present embodiment is 20 °~65 °, by suitably increasing spiral angle energy
The cutting force of cutter in process is enough allowed to reduce, cutter impact resistance is strong, prevents vibration knife, and can guarantee that better surface adds
Working medium amount improves the service life of cutting tool；Preferably, the helical angle of cutting edge 20 is 30 °, is based on this spiral angle, cuts
The velocity of discharge for cutting the intensity of sword 20, sharpness, the size of cutting force and cutting swarf is very ideal.
In addition, the direction of cutting edge 20 can be left-handed or right rotation in the present embodiment.
The present embodiment second aspect also provides a kind of cutting tool, referring specifically to shown in attached drawing 4 comprising tool shank
2 and be installed on the cutting edge portion 1 as described in the present embodiment first aspect of 2 front end of tool shank, the tool shank 2 with
The rear end face of the cutter body 10 connects.When tool shank 2 is clamped on Rotary milling devices, cutting edge portion can be driven
1 rotation, to carry out milling to product to be processed.
Cutting tool in the present embodiment, due to the cutting edge portion 1 including first aspect, with cutting edge portion 1
Whole beneficial effects, are not stated one by one herein.
To sum up, the embodiment of the present invention provides a kind of cutting tool and its cutting edge portion with Dual-head chamfering function, passes through
Set cutter body 10 to the three stage structure of body front part 11, interconnecting piece 12 and back body 13, the body front part 11
Connect by the first frustum of a cone 111 with the front end face of interconnecting piece 12, back body 13 by the second frustum of a cone 131 with connect
The rear end face in portion 12 connects, between the side of the first frustum of a cone 111 and the side of interconnecting piece 12, the second frustum of a cone 131
It is in a certain angle between side and the side of interconnecting piece 12, and cutting edge 20 successively extends to interconnecting piece 12 from body front part 11
It, can by 20 part of cutting edge on the side of the first frustum of a cone 111 and the second frustum of a cone 131 and in back body 13
The lower chamfering and upper chamfering being respectively used in processing pore structure, and 20 part of cutting edge being set on 12 side of interconnecting piece is then used
In reaming, it can be achieved at the same time reaming, upper chamfering and lower chamfering three process using this cutting edge portion 1, reduce tool change time
And to the knife time, process time can be shortened, processing efficiency increases substantially；In addition, several spiral helicine cutting edges 20 are along cutting
The central axis for cutting main body 10 is circumferentially distributed, and multiple cutting edges 20 can bear biggish cutting force jointly, is suitable for higher cut
Speed and the biggish amount of feeding are cut, to improve the service life of cutting tool.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of cutting edge portion for cutting tool, which is characterized in that including cutter body and be set in the cutter body
Several cutting edges, the cutting edge is helical form, and each cutting edge is circumferentially set to along the center line of the cutter body
The outer surface of the cutter body is equipped with chip space between the two neighboring cutting edge；
The cutter body includes being sequentially connected from front to back and coaxial body front part, interconnecting piece and back body, the company
Socket part is cylindrical, and the body front part includes the first frustum of a cone for being connected to the front end face of the interconnecting piece, and described first
The outer diameter of frustum of a cone is gradually reduced from front to back, the back body include be connected to the interconnecting piece rear end face second
The outer diameter of frustum of a cone, second frustum of a cone is gradually increased from front to back；
The front end of the cutting edge is set to the side of the body front part, and the cutting edge is successively along the side of the body front part
The side in face, the side of the interconnecting piece and the back body extends, and the rear end of the cutting edge is set to the back body
Side.
2. cutting edge portion as described in claim 1, which is characterized in that the cutting edge is shaped in the cutter body
On.
3. cutting edge portion as described in claim 1, which is characterized in that the material of the cutting edge portion is polycrystalline diamond.
4. cutting edge portion as described in claim 1, which is characterized in that the outer diameter of first frustum of a cone rear end and the company
The outer diameter of socket part is equal, and the outer diameter of second frustum of a cone front end is equal with the outer diameter of the interconnecting piece.
5. cutting edge portion as described in claim 1, which is characterized in that the body front part further includes being connected to described first section
First cylindrical body of the front end face of head circular cone, the back body further includes the rear end face for being connected to second frustum of a cone
Second cylindrical body.
6. the cutting edge portion as described in right 5, which is characterized in that the outer diameter of first cylindrical body and first frustum of a cone
The outer diameter of front end is equal, and the outer diameter of second frustum of a cone front end is equal with the outer diameter of the interconnecting piece.
7. cutting edge portion as claimed in claim 5, which is characterized in that the front end of the cutting edge is set to first cylinder
On the side of body, and the cutting edge is successively along the side of first cylindrical body, the side, described of first frustum of a cone
The side of interconnecting piece and the side of second frustum of a cone extend, and the rear end of the cutting edge is set to the second butt circle
On the side of cone.
8. cutting edge portion as described in claim 1, which is characterized in that the side of first frustum of a cone and the cutting are led
Angle between the central axis of body and between the side of second frustum of a cone and the central axis of the cutter body is
30 °~60 °.
9. cutting edge portion as described in claim 1, which is characterized in that the front end of the cutting edge is before the body front part
The edge of end face is arranged.
10. cutting edge portion as described in claim 1, which is characterized in that the maximum outside diameter of the body front part is less than the master
The maximum outside diameter at body rear portion.
11. cutting edge portion as described in claim 1, which is characterized in that the maximum outside diameter of the cutter body is 1 ㎜~20
㎜, the length of the cutter body are the ㎜ of 1.5 ㎜~7.
12. cutting edge portion as claimed in claim 11, which is characterized in that the tread of the cutting edge is the ㎜ of 0.01 ㎜~0.5,
The a length of ㎜ of 1.2 ㎜~6 of the sword of the cutting edge, the groove depth of the chip space are the ㎜ of 0.05 ㎜~0.20, the slot of the chip space
Width is the ㎜ of 0.1 ㎜~0.35.
13. such as the described in any item cutting edge portion of claim 1-12, which is characterized in that the hand of spiral of the cutting edge is a left side
Rotation or dextrorotation, the helical angle of the cutting edge are 20 °~65 °.
14. a kind of cutting tool, which is characterized in that including tool shank and be installed on the tool shank front end as right is wanted
The described in any item cutting edge portion of 1-13 are sought, the tool shank is connect with the rear end face of the cutter body.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138429.XA CN109676181A (en) | 2019-02-25 | 2019-02-25 | A kind of cutting tool and its cutting edge portion with Dual-head chamfering function |
| KR2020217000060U KR20210002485U (en) | 2019-02-25 | 2019-07-02 | Cutting tool with double head chamfering function and its cutting edge |
| PCT/CN2019/094448 WO2020173029A1 (en) | 2019-02-25 | 2019-07-02 | Cutting tool having double-headed chamfering function and cutting edge portion thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138429.XA CN109676181A (en) | 2019-02-25 | 2019-02-25 | A kind of cutting tool and its cutting edge portion with Dual-head chamfering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109676181A true CN109676181A (en) | 2019-04-26 |
Family
ID=66196939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910138429.XA Pending CN109676181A (en) | 2019-02-25 | 2019-02-25 | A kind of cutting tool and its cutting edge portion with Dual-head chamfering function |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20210002485U (en) |
| CN (1) | CN109676181A (en) |
| WO (1) | WO2020173029A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173029A1 (en) * | 2019-02-25 | 2020-09-03 | 汇专科技集团股份有限公司 | Cutting tool having double-headed chamfering function and cutting edge portion thereof |
| CN111673159A (en) * | 2020-07-06 | 2020-09-18 | 明珠家具股份有限公司 | Multifunctional cutter for furniture processing |
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2019
- 2019-02-25 CN CN201910138429.XA patent/CN109676181A/en active Pending
- 2019-07-02 WO PCT/CN2019/094448 patent/WO2020173029A1/en active Application Filing
- 2019-07-02 KR KR2020217000060U patent/KR20210002485U/en not_active Application Discontinuation
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| US3733663A (en) * | 1971-05-12 | 1973-05-22 | Black & Decker Towson | Corner shaping tool |
| JPH0611923U (en) * | 1992-07-15 | 1994-02-15 | オーエスジー株式会社 | Perforated threading coupling tool for through holes |
| JPH11300515A (en) * | 1998-04-20 | 1999-11-02 | Amada Co Ltd | Deburring tool |
| CN201537949U (en) * | 2009-09-17 | 2010-08-04 | 中国航空工业集团公司北京航空材料研究院 | Compound cutter for plastic and digital control hole |
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| CN205020906U (en) * | 2015-08-31 | 2016-02-10 | 丹阳市亚邦精密机械有限公司 | Upper and lower chamfer sword |
| DE102015013247A1 (en) * | 2015-10-08 | 2017-04-13 | Walter Bauer | Drills with countersinking function and countersinking method for lightweight materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020173029A1 (en) * | 2019-02-25 | 2020-09-03 | 汇专科技集团股份有限公司 | Cutting tool having double-headed chamfering function and cutting edge portion thereof |
| CN111673159A (en) * | 2020-07-06 | 2020-09-18 | 明珠家具股份有限公司 | Multifunctional cutter for furniture processing |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210002485U (en) | 2021-11-10 |
| WO2020173029A1 (en) | 2020-09-03 |
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