CN106513724B - Cutting tip and cutting tool - Google Patents
Cutting tip and cutting tool Download PDFInfo
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- CN106513724B CN106513724B CN201611115195.XA CN201611115195A CN106513724B CN 106513724 B CN106513724 B CN 106513724B CN 201611115195 A CN201611115195 A CN 201611115195A CN 106513724 B CN106513724 B CN 106513724B
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- cutting
- cutting edge
- cutter groove
- main cutting
- blade body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/28—Angles
- B23B2200/286—Positive cutting angles
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- Mechanical Engineering (AREA)
- Milling Processes (AREA)
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Abstract
The invention discloses a kind of cutting tips, upper main cutting edge and lower main cutting edge positive acute angle back angle having the same, the at least part of lower main cutting edge relative to the side of upper main cutting edge of the same side protrudes, and at least part of upper main cutting edge relative to the side of lower main cutting edge of the same side protrudes.Cutting tool includes cutter hub, fastener and above-mentioned cutting tip, cutter hub is equipped at least one cutter groove, each cutter groove is equipped at least two groups chip pocket, blade body is fixed on by fastener in cutter groove, cutter groove includes cutter groove side and cutter groove bottom surface, the upper surface or lower surface of blade body are adjacent to cutter groove bottom surface, and upper side or downside and the cutter groove side of blade body are adjacent to.The present invention have the advantages that cutting vibration is small, cutting is brisk, cost performance is good, positioning rigidity it is good, chip removal performance is good, service life length can be extensively using for Roughing and fine machining.
Description
Technical field
The invention mainly relates to machining field more particularly to a kind of cutting tips and cutting tool.
Background technology
Cutting tip with two-sided trench structure participates in the bottom surface of positioning, side and generally uses vertical plane contact side
Formula.This cutting tip makes simply, easy to process；The side-locating face precision height of cutting tip, contact area are big, to such
Cutting tip has outstanding impact resistance, high use dimensional accuracy；Positioning contact area big simultaneously can make cutting
When bearing larger load, small deformation only occurs blade for positioning surface, and cutting tool is effectively ensured static and processed
The consistency of dimensional accuracy in journey improves cutter stability of the cutting tool under different operating modes.There is two-sided groove profile simultaneously
The cutting tip of the more common single-side grooved type of cutting tip of structure has 2 times of cutting edges, is in industry widely used in rotating class
In cutter and non-rotating class cutter.
Although two-sided groove profile blade has lot of advantages, there are problems that.Due to double groove blade to ensure it is upper,
Lower groove profile cutting power having the same is cut in upper surface, lower surface, industry by this to the side of cutting tip
It is negative blade to cut the cutting tip that relief angle is zero, i.e., cutting tip is when in use in order to ensure the master at the end in cutting portion, side
Cutting edge has enough relief angles, end when actual cut, side main cutting edge tilted in workpiece negative direction, so as to cause cutting
During blade use, chip easily curling to machined surface simultaneously occurs friction, squeezes to reduce processing with machined surface
Surface quality causes such cutting tip to can be only applied in roughing, semifinishing, meanwhile, negative direction inclination causes to cut
Working rake angle in portion becomes smaller, and cutting load causes easily to vibrate when cutting greatly, to influence stock-removing efficiency and cutting
Service life.In addition, cutting tip sintering warpage and clamping, processing, detection error presence, the side of cutting tip can not can guarantee knife
The completely overlapped contact of body, in order to ensure that cutting tip cutting stability, ordinary priority ensure cutting tip side surface upper part and cutter groove
Side contacts, i.e., the angle between blade side, bottom surface is slightly larger than the corresponding angle of cutter groove.Although this structure is to a certain extent
Solve influence of the positioning to cutting tip performance, but when cutting tip bears big load, fastener deformation increases, blade
Side inclination is up rotated relative to cutter groove, cause cutting tip side-locating face and cutter hub to be detached from, chucking power is completely by fastener
It provides, causes cutting tip high vibration even to collapse scarce.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide that a kind of cutting vibration is small, cutting is light
Soon, cost performance is good, positioning rigidity is good, chip removal performance is good, service life is grown can be extensively using the cutting tip for Roughing and fine machining
And cutting tool.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of cutting tip, including blade body, the blade body include upper cutting portion and lower cutting portion, it is described on cut
Portion is cut by a plurality of upper main cutting edge and above turns cutting edge and is sequentially connected and form, the lower cutting portion by a plurality of lower main cutting edge and under
It turns cutting edge and is sequentially connected composition, the upper main cutting edge and lower main cutting edge positive acute angle back angle having the same, it is same
At least part of lower main cutting edge relative to the side of upper main cutting edge of side protrudes, and the lower main cutting edge of the same side is at least
A part is protruded relative to the upper main cutting edge of the side.
As a further improvement of the above technical scheme：
The positive acute angle back angle be γ, 3 °≤γ≤20 °.
The side of blade body is formed between the upper cutting portion and lower cutting portion, the side includes being located at upper main cutting
Main side between sword and lower main cutting edge and positioned above turn cutting edge and under turn and turn side, the main side between cutting edge
Face includes upper side and downside, and obtuse angle angle is formed between the upper side and downside.
The obtuse angle angle is ω, 140 °≤ω≤174 °.
The upper side and downside are turned on the left side of the diagonal position of the main side turns under cutting edge and right side
Intersect at cutting edge.
The upper side and downside are turned on the right side of the diagonal position of the main side turns under cutting edge and left side
Intersect at cutting edge.
Form included angle X between upper main cutting edge and lower main cutting edge on the same main side in side, 2 °≤λ≤12 °.
The blade body offers the centre bore for passing through upper and lower surface, and the blade body is about the centre bore center pair
Claim, the upper cutting portion and lower cutting portion cutting shape having the same.
Angle between the adjacent upper main cutting edge of upper main cutting edge and two on the main side is respectively α and β, the master
Angle between lower main cutting edge on the side lower main cutting edge adjacent with corresponding two is respectively α ' and β ', α=β ', β=α ',
3°≤α-β≤15°。
A kind of cutting tool, including cutter hub, fastener and above-mentioned cutting tip, the cutter hub are equipped at least one
Cutter groove, each cutter groove are equipped at least two groups chip pocket, and the blade body is fixed on by fastener in the cutter groove, described
Cutter groove includes cutter groove side and cutter groove bottom surface, and upper surface or lower surface and the cutter groove bottom surface of the blade body are adjacent to, the knife
The upper side or downside of piece ontology is adjacent to cutter groove side.
As a further improvement of the above technical scheme：
The upper main cutting edge or lower main cutting edge of blade body and participation cutting in the cutter groove and adjacent another knife
The corresponding upper main cutting edge or lower main cutting edge cutting shape having the same of cutting are participated in slot.
Two cutter groove sides and the angle of one of them cutter groove are under the adjacent upper main cutting edges of α, angle β ' adjacent
Main cutting edge corresponds to, and two cutter groove sides and the angle of another cutter groove adjacent with the cutter groove are the adjacent upper main cutting edges of β, angle
It is corresponded to for the adjacent lower main cutting edges of α '.
Compared with the prior art, the advantages of the present invention are as follows：
The cutting unit of the cutting tip of the present invention, upper and lower surface all has positive back angle, and has 2 times
In the cutting unit quantity of common positive angle cutting tip, cutting is brisk, and cost performance is good；Due to upper main cutting edge and lower main cutting edge
Positive acute angle back angle having the same so that end, side cutting edge when cutting in upper and lower cutting unit positive can tilt
In workpieces processing, chip can improve machined surface quality far from cutting workpiece, so that cutting tip is had and add applied to accurate
The cutting power of work；Since at least part of lower main cutting edge relative to the side of the upper main cutting edge of the same side protrudes, together
At least part of upper main cutting edge relative to the side of lower main cutting edge of side protrudes so that upper main cutting edge and lower master cut
The formation dislocation arrangement for cutting sword, ensure that main cutting edge and lower main cutting edge are mutual indepedent, each self-forming evacuation.
The cutting tool of the present invention wants the cutter groove that cutter hub can only be inserted into from cutter groove side, dress when blade body is installed and used
Have the cutting tool of the cutting tip, between cutter groove side and the side of blade body be equipped with can prevent blade body with respect to knife in
The clamping mating surface that cutter groove bottom surface is inclined outwardly, the blade body of cutting tool, cutter hub are completely embedded reliably, in cutting process
In, cutter groove generates blade body downward chucking power, reduces the deformation of fastener, blade body, can effective attenuation blade sheet
The vibration of body inhibits collapsing for blade body scarce, extends the service life of blade body, the high-efficient cutting of cutting tool is greatly improved
Ability.Meanwhile the fastener of cutting tool passes through the centre bore of blade body to be fixed on blade body in the cutter groove of cutter hub simultaneously
Clamping by cutter groove side to blade body greatly optimizes the distribution of force of blade body, and cutting tool cutting is stablized,
With high machined surface quality ability, precision cutting can be widely applied to.
Description of the drawings
Fig. 1 is the dimensional structure diagram of inventive cutting blade embodiment 1.
Fig. 2 is the overlooking structure diagram of inventive cutting blade embodiment 1.
Fig. 3 is the A-A schematic cross-sectional views of Fig. 2.
Fig. 4 is the dimensional structure diagram of inventive cutting blade embodiment 2.
Fig. 5 is the overlooking structure diagram of inventive cutting blade embodiment 2.
Fig. 6 is the dimensional structure diagram of inventive cutting blade embodiment 3.
Fig. 7 is the overlooking structure diagram of inventive cutting blade embodiment 3.
Fig. 8 is the dimensional structure diagram of inventive cutting blade embodiment 4.
Fig. 9 is the overlooking structure diagram of inventive cutting blade embodiment 4.
Figure 10 is the dimensional structure diagram of cutting tool embodiment 1 of the present invention.
Figure 11 is the dimensional structure diagram of cutting tool embodiment 2 of the present invention.
Figure 12 is the dimensional structure diagram of cutting tool embodiment 3 of the present invention.
Figure 13 is cutting tool of the present invention bowing equipped with the adjacent cutter groove cutting tip rotation overlap cut blade of cutting tip
Depending on structural schematic diagram.
Each label indicates in figure：
1, blade body；11, upper cutting portion；111, upper main cutting edge；112, cutting edge is turned on；12, lower cutting portion；121,
Lower main cutting edge；122, cutting edge is turned under；13, side；131, main side；1311, upper side；1312, downside；132, side is turned
Face；14, centre bore；2, cutter hub；21, cutter groove；211, cutter groove side；212, cutter groove bottom surface；22, chip pocket；3, fastener.
Specific implementation mode
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Cutting tip embodiment 1：
Fig. 1 to Fig. 3 shows that the first embodiment of inventive cutting blade, the cutting tip include blade body 1, knife
Piece ontology 1 includes upper cutting portion 11 and lower cutting portion 12, and upper cutting portion 11 is by a plurality of upper main cutting edge 111 and above turns cutting edge
112 are sequentially connected composition, lower cutting portion 12 by a plurality of lower main cutting edge 121 and under turn cutting edge 122 and be sequentially connected and form, upper master
121 positive acute angle back angle having the same of cutting edge 111 and lower main cutting edge, the upper main cutting edge 111 of the same side is at least
A part is protruded relative to the lower main cutting edge 121 of the side, and the lower main cutting edge 121 of the same side is at least part of relative to this
The upper main cutting edge 111 of side protrudes.In the structure, upper cutting portion 11 on four upper main cutting edges 111 and four by turning cutting edge
112, which are sequentially connected group, is shaped as four cutting units, and lower cutting portion 12 is equally cut by being turned under four lower main cutting edges 121 and four
It cuts sword 122 and is sequentially connected group and be shaped as four cutting units, blade body 1 offers the centre bore 14 for passing through upper and lower surface, blade
Ontology 1 has phase about four upper and lower cutting units that 14 central symmetry of centre bore, upper cutting portion 11 and lower cutting portion 12 have
With cutting shape to have identical cutting power, ensure that cutting is brisk；Due to upper main cutting edge 111 and lower main cutting edge
121 positive acute angle back angles having the same so that end, side cutting edge when cutting in upper and lower cutting unit can forward direction incline
Tiltedly in workpieces processing, chip can improve machined surface quality far from cutting workpiece, cutting tip is made to have applied to precision
The cutting power of processing；Due at least part of lower main cutting edge 121 relative to the side of the upper main cutting edge 111 of the same side
Prominent, at least part of upper main cutting edge 111 relative to the side of lower main cutting edge 121 of the same side protrudes so that upper master
The formation dislocation arrangement of cutting edge 111 and lower main cutting edge 121, ensure that main cutting edge 111 and lower main cutting edge 121 are mutual
It is independent, each self-forming evacuation.
In the present embodiment, in order to which the upper cutting portion 11 and lower cutting portion 12 that ensure blade body 1 cut sharp, four upper masters
Cutting edge 111 and four lower main cutting edges 121 should on constant and equal back angle γ, should meet：3°≤γ≤
20 °, in the present embodiment, γ=9 °.
In the present embodiment, the side 13 of blade body 1 is formed between upper cutting portion 11 and lower cutting portion 12, side 13 includes
Main side 131 between upper main cutting edge 111 and lower main cutting edge 121 and positioned above turn cutting edge 112 and under turn and cut
It cuts and turns side 132 between sword 122, main side 131 includes upper side 1311 and downside 1312, upper side 1311 and downside
Obtuse angle angle is formed between 1312.In the structure, formation obtuse angle angle ω between upper side 1311 and downside 1312,140 °≤
ω≤174 °, in the present embodiment, ω=162 ° form a kind of location structure of indent, upper side 1311 and downside 1312
It is planar structure, blade body 1 can only be inserted sideways the installation site of cutting tool, upper side 1311 or downside when use
Face 1312 is close to the cooperation of the installation foundation of cutting tool, in process, can prevent blade body 1 from generating vibration, significantly
Improve stock-removing efficiency and cutting service life.
In the present embodiment, shape between the upper main cutting edge 111 and lower main cutting edge 121 on 13 same main side 131 of side
At included angle X, 2 °≤λ≤12 °.In the present embodiment, λ=6 °, in this way setting so that upper main cutting edge 111 and lower main cutting edge 121 it
Tilting dislocation arrangement is formed, ensure that main cutting edge 111 and lower main cutting edge 121 are mutual indepedent, each self-forming evacuation.
In the present embodiment, upper side 1311 and downside 1312 are turned on the left side of the diagonal position of the main side 131
Cutting edge 112 intersects at cutting edge 122 with being turned under right side.In the structure, in same main side 131, the upper of cutting is participated in
The upper main cutting edge 111 or lower main cutting edge 121 and homonymy of participation side cut are corresponding in cutting unit or lower cutting unit
Lower main cutting edge 121 or upper main cutting edge 111 influence each other, and the upper main cutting edge 111 or lower main cutting edge 121 of side cut are not
Cutting can be participated in complete positive relief angle, the upper cutting unit or lower cutting unit for participating in cutting only participate in the upper of building up by welding
Main cutting edge 111 or lower main cutting edge 121 participate in cutting with complete positive relief angle, during actual cut, participate in the upper of cutting
The sharpness of the upper main cutting edge 111 or lower main cutting edge 121 of cutting unit or the building up by welding in lower cutting unit better than pair
Answer the upper main cutting edge 111 or lower main cutting edge 121 of side cut.To which the present embodiment cutting tip is suitably applied surface matter
Amount requires preferable operating mode application, side cut load larger.
Cutting tip embodiment 2：
As shown in Figure 4 and Figure 5, second of embodiment of inventive cutting blade, the cutting tip and 1 basic phase of embodiment
Together, it differs only in：In the present embodiment, upper side 1311 and downside 1312 are on the right side of the diagonal position of the main side 131
On turn cutting edge 112 and intersect at cutting edge 122 with being turned under left side.In the structure, due in same main side 131, joining
With in the upper cutting unit of cutting or lower cutting unit participate in side cut upper main cutting edge 111 or lower main cutting edge 121 and
Homonymy descends main cutting edge 121 or upper main cutting edge 111 to influence each other accordingly, the upper main cutting edge 111 of building up by welding or lower master
Cutting edge 121 cannot participate in cutting with complete positive relief angle, and the upper cutting unit or lower cutting unit for participating in cutting only participate in
51/ time main cutting edge of upper main cutting edge 61 of side cut participates in cutting with complete positive relief angle, during actual cut, participates in
Cutting upper cutting unit or the side cut in lower cutting unit upper main cutting edge 111 or lower main cutting edge 121 it is sharp
Property better than corresponding side surface cutting upper main cutting edge 111 or lower main cutting edge 121.To which the present embodiment cutting tip is suitble to apply
Small, the not high operating mode application of surface quality requirements is loaded in side cut.Remaining does not discuss place and disclosure of the invention cutting
The first embodiment of blade is identical, this place repeats no more.
Cutting tip embodiment 3：
As shown in Figure 6 and Figure 7, the third embodiment of inventive cutting blade, the cutting tip and 1 basic phase of embodiment
Together, it differs only in：Upper surface is equipped with eight tools in the upper cutting unit of identical cutting shape, and lower surface is equipped with eight tools
There is better superiority of effectiveness to which cutting tip can use 16 times in the lower cutting unit of identical cutting shape.Remaining
Identical with the first embodiment of disclosure of the invention cutting tip in place of not discussing, this place repeats no more.
Cutting tip embodiment 4：
As shown in Figure 8 and Figure 9, the 4th kind of embodiment of inventive cutting blade, the cutting tip and 1 basic phase of embodiment
Together, it differs only in：In the present embodiment, upper main cutting edge 111 on the main side 131 upper main cutting edge 111 adjacent with two it
Between angle be respectively α and β, the lower main cutting edge 121 adjacent with corresponding two of the lower main cutting edge 121 on the main side 131
Between angle be respectively α ' and β ', α=β ', β=α ', 3 °≤alpha-beta≤15 °.In the structure, four upper cuttings on upper surface are single
There are member two pairs of cutting abilities not to be same as above cutting unit, and correspondingly, four lower cutting units on lower surface have two pairs of cuttings
Cutting unit under performance difference, to which blade body 1 is equipped with the upper cutting unit for having different cutting abilities and lower cutting list
Member.In the present embodiment, due to involved side in the upper cutting unit in same main side 131, participating in cutting or lower cutting unit
111 mutual shadow of main cutting edge 121 or upper main cutting edge under the upper main cutting edge 111 or lower main cutting edge 121 and homonymy of face cutting
Ring, the upper cutting unit or lower cutting unit of upper surface or lower surface participate on wherein two groups of building up by welding main cutting edge 111 or
Lower main cutting edge 121 cannot participate in cutting with complete positive relief angle, and corresponding ginseng in cutting unit or lower cutting unit on this
It, should with upper main cutting edge 111 on two groups of side cut or lower main cutting edge 121 that completely positive relief angle can not participate in cutting
Cutting unit actual cut process under two groups on two groups on upper surface in blade body 1 on cutting unit and lower surface
In, participate in the upper cutting unit of cutting or upper main cutting edge 111 or the lower main cutting of side, building up by welding in lower cutting unit
The sharpness of sword 121 is not fine, but has ten outstanding cutting edge strengths, is suitable for powerful high efficiency roughing and answers
With.And the upper cutting unit or lower cutting unit of upper surface or lower surface participate in upper main cutting edge on other two groups of building up by welding
111 or lower main cutting edges 121 participate in cutting with complete positive relief angle, and corresponding ginseng in cutting unit or lower cutting unit on this
With main cutting edge 111 on two groups of side cut or lower main cutting edge 121 also to participate in cutting with complete positive relief angle, the blade
Under two groups on two groups on upper surface in ontology 1 on cutting unit and lower surface during cutting unit actual cut, ginseng
With the upper main cutting edge 111 or lower main cutting edge 121 of side, building up by welding in the upper cutting unit of cutting or lower cutting unit
Sharpness it is fine, cutting load is small plus suface processing quality is good, is widely used.Remaining do not discuss place and
The first embodiment of disclosure of the invention cutting tip is identical, this place repeats no more.
Further, in order to ensure in cutting tip in upper cutting unit, lower cutting unit the upper of two kinds of not cutting abilities
Main cutting edge 111 or lower main cutting edge 121 have the performance for stablizing cutting and are easy to use, and should meet：α=β ', β=α ', 3 °≤
Alpha-beta≤15 °, in the present embodiment, α=β '=93 °, β=α '=87 °.
In above example, the main side 131 of the side 13 of blade body 1 is by 1312 groups of upper side 1311 and downside
At, and upper side 1311 and downside 1312 homonymy be in diagonal position on turn cutting edge 112 and under turn at cutting edge 122
The diagonal positions of intersection intersect, and the present invention is not limited only to this, in order to which optimization design can also be by upper side 1311 and downside
1312 intersecting lenses are designed to parallel upper main cutting edge 111 and lower main cutting edge 121 or other inclinations angle.
In above example, the upper main cutting edge 111 in the upper and lower surface of blade body 1 and lower main cutting edge
121 use common face structure, and the present invention is not limited only to this, according to main cutting edge 111 in blade body 1 and lower main cutting edge 121
Application requirement it is different, the upper main cutting edge 111 of blade body 1 and lower main cutting edge 121 can also be designed to antarafacial or sky
Half interval contour structure.
Cutting tool embodiment 1：
As shown in Figure 10, the first embodiment of cutting tool of the present invention, the cutting tool include cutter hub 2, fastener 3 with
And above-mentioned cutting tip, cutter hub 2 are equipped at least one cutter groove 21, each cutter groove 21 is equipped at least two groups chip pocket 22,
Blade body 1 is fixed on by fastener 3 in cutter groove 21, and cutter groove 21 includes cutter groove side 211 and cutter groove bottom surface 212, blade sheet
The upper surface or lower surface of body 1 are adjacent to cutter groove bottom surface 212, the upper side 1311 of blade body 1 or downside 1312 and cutter groove
Side 211 is adjacent to.When the upper cutting unit of blade body 1 or lower cutting unit participate in cutting, on the side 13 of blade body 1
Adjacent upper side 1311 or downside 1312 is contacted with the cooperation of cutter groove side 211, to effectively prevent blade body 1 with respect to knife
Groove bottom 212 moves up.Cutter groove side 211 provides the downward chucking power in main side 131 of blade body 1 side 13, blade
Ontology 1 wants the cutter groove 21 that cutter hub 2 can only be inserted into from cutter groove side 211 when installing and using, the cutting tool of the cutting tip is housed,
Being equipped between cutter groove side 211 and the side of blade body 1 13 can prevent blade body 1 outside in cutter groove bottom surface 212 with respect to knife
Inclined clamping mating surface, the blade body 1 of cutting tool, cutter hub 2 are completely embedded reliably, and during the cutting process, cutter groove 21 is right
Blade body 1 generates downward chucking power, reduce the deformation of fastener 3, blade body 1, can effective attenuation blade body 1 shake
It moves, inhibit collapsing for blade body 1 scarce, extend the service life of blade body 1, the high-efficient cutting energy of cutting tool is greatly improved
Power.Meanwhile blade body 1 is fixed on the cutter groove of cutter hub 2 across the centre bore 14 of blade body 1 by the fastener 3 of cutting tool
The 21 interior and clampings by cutter groove side 211 to blade body 1, greatly optimize the distribution of force of blade body 1, bite
Tool cutting is stablized, and is had high machined surface quality ability, be can be widely applied to precision cutting.
In the present embodiment, upper main cutting edge 111 or the lower main cutting edge of blade body 1 and participation cutting in cutter groove 21
121 is having the same with the corresponding upper main cutting edge 111 or lower main cutting edge 121 for participating in cutting in adjacent another cutter groove 21
Cut shape.Blade body 1 is cut about upper and lower four that 14 central symmetry of centre bore, upper cutting portion 11 and lower cutting portion 12 have
Unit is cut with identical cutting shape to have identical cutting power, ensures that cutting is brisk.
Cutting tool embodiment 2：
As shown in figure 11, second of embodiment of cutting tool of the present invention, the cutting tool and 1 base of cutting tool embodiment
This is identical, differs only in：At least provided with seven groups of chip pockets 22 and cutter groove 21 on cutter hub 2, blade body 1 is solid by fastener 3
Due in cutter groove 21, when the upper cutting unit of blade body 1 or lower cutting unit participate in cutting, the side 13 of blade body 1
Upper adjacent upper side 1311 or downside 1312 are contacted with the cooperation of cutter groove side 211, to effectively prevent blade body 1 opposite
Cutter groove bottom surface 212 moves up.Cutter groove side 211 provides the downward chucking power in main side 131 of blade body 1 side 13, knife
Piece ontology 1 wants the cutter groove 21 that cutter hub 2 can only be inserted into from cutter groove side 211 when installing and using, the bite of the cutting tip is housed
Tool, between cutter groove side 211 and the side 13 of blade body 1 be equipped with can prevent blade body 1 with respect to knife in cutter groove bottom surface 212 to
The clamping mating surface of outer incline, the blade body 1 of cutting tool, cutter hub 2 are completely embedded reliably, during the cutting process, cutter groove 21
It generates downward chucking power to blade body 1, reduces the deformation of fastener 3, blade body 1, it can effective attenuation blade body 1
Vibration inhibits collapsing for blade body 1 scarce, extends the service life of blade body 1, the high-efficient cutting energy of cutting tool is greatly improved
Power.Meanwhile blade body 1 is fixed on the cutter groove of cutter hub 2 across the centre bore 14 of blade body 1 by the fastener 3 of cutting tool
The 21 interior and clampings by cutter groove side 211 to blade body 1, greatly optimize the distribution of force of blade body 1, bite
Tool cutting is stablized, and is had high machined surface quality ability, be can be widely applied to precision cutting.
Cutting tool embodiment 3：
As shown in figure 12, the third embodiment of cutting tool of the present invention, the cutting tool and 1 base of cutting tool embodiment
This is identical, differs only in：In the present embodiment, two cutter groove sides 211 and the angle of one of cutter groove 21 are the adjacent upper masters of α
The adjacent lower main cutting edge 121 of cutting edge 111, angle β ' corresponds to, two cutter grooves of another cutter groove 21 adjacent with the cutter groove 21
Side 211 and angle be the adjacent upper main cutting edges 111 of β, angle α ' it is adjacent lower main cutting edge 121 is corresponding, 211 He of cutter groove side
Being equipped between the side 13 of blade body 1 can prevent blade body 1 with respect to the clamping cooperation that knife is inclined outwardly in cutter groove bottom surface 212
Face, to effectively prevent blade body 1 to be moved up with respect to cutter groove bottom surface 212.
As shown in figure 13, in the cutting tool cutter groove 21 blade cutter hub 1 ' by rotate to and adjacent cutter groove 21 blade sheet
Body 1 overlaps cutting blade structure, upper cutting unit 9 ' or the lower cutting unit of blade body 1 ' and participation cutting in cutter groove 21
Upper main cutting edge 111 ' or lower main cutting edge 121 ' in 10 ' and the upper cutting list in another cutter groove 21 adjacent in the cutter groove 21
The upper main cutting edge 111 or lower main cutting edge 121 of participation side cut in first or lower cutting unit have common cutting shape
Upper master in shape, correspondingly, blade body 1 ' in cutter groove 21 and the upper cutting unit for participating in cutting ' or lower cutting unit ' cuts
It cuts in upper cutting unit or the lower cutting unit in another cutter groove 21 adjacent in sword 111 ' or lower main cutting edge 121 ' and cutter groove 21
Participation building up by welding upper main cutting edge 111 or lower main cutting edge 121 there is different cutting shapes, to cutting tool
The identical and adjacent 21 building up by welding operating mode of cutter groove of adjacent 21 side cut operating mode of cutter groove on cutter hub 2 is different.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, every
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (9)
1. a kind of cutting tip, including blade body（1）, the blade body（1）Including upper cutting portion（11）With lower cutting portion
（12）, the upper cutting portion（11）By a plurality of upper main cutting edge（111）Above turn cutting edge（112）It is sequentially connected composition, it is described
Lower cutting portion（12）By a plurality of lower main cutting edge（121）Cutting edge is turned under（122）It is sequentially connected composition, it is characterised in that：Institute
State main cutting edge（111）With lower main cutting edge（121）Positive acute angle back angle having the same, the upper main cutting edge of the same side
（111）At least part of lower main cutting edge relative to the side（121）It is prominent, the lower main cutting edge of the same side（121）At least
Some upper main cutting edge relative to the side（111）It is prominent, the upper cutting portion（11）With lower cutting portion（12）Between shape
At blade body（1）Side（13）, the side（13）Including being located at upper main cutting edge（111）With lower main cutting edge（121）
Between main side（131）And positioned above turning cutting edge（112）Cutting edge is turned under（122）Between turn side（132）, institute
State main side（131）Including upper side（1311）The downside and（1312）, the upper side（1311）The downside and（1312）It
Between formed obtuse angle angle, upper side（1311）The downside and（1312）Form a kind of location structure of indent, upper side（1311）
The downside and（1312）It is planar structure, the upper side（1311）The downside and（1312）In the main side（131）Pair
Cutting edge is turned on the left side of Angle Position（112）Cutting edge is turned under right side（122）Place's intersection or the upper side
（1311）The downside and（1312）In the main side（131）Diagonal position right side on turn cutting edge（112）With left side
Under turn cutting edge（122）Place's intersection.
2. cutting tip according to claim 1, it is characterised in that：The positive acute angle back angle be γ, 3 °≤γ≤
20°。
3. cutting tip according to claim 2, it is characterised in that：The obtuse angle angle is ω, 140 °≤ω≤174 °.
4. cutting tip according to any one of claim 1 to 3, it is characterised in that：The side（13）Same main side
Face（131）On upper main cutting edge（111）With lower main cutting edge（121）Between form included angle X, 2 °≤λ≤12 °.
5. cutting tip according to claim 4, it is characterised in that：The blade body（1）It offers and passes through upper and lower surface
Centre bore（14）, the blade body（1）About the centre bore（14）Central symmetry, the upper cutting portion（11）And incision
Cut portion（12）Cutting shape having the same.
6. cutting tip according to claim 5, it is characterised in that：The main side（131）On upper main cutting edge
（111）The upper main cutting edge adjacent with two（111）Between angle be respectively α and β, the main side（131）On lower main cutting
Sword（121）The lower main cutting edge adjacent with corresponding two（121）Between angle be respectively α ' and β ', α=β ', β=α ', 3 °≤α-
β≤15°。
7. a kind of cutting tool, it is characterised in that：Including cutter hub（2）, fastener（3）And any one of claim 1 to 6 institute
The cutting tip stated, the cutter hub（2）It is equipped at least one cutter groove（21）, each cutter groove（21）It is equipped at least two groups and holds bits
Slot（22）, the blade body（1）Pass through fastener（3）It is fixed on the cutter groove（21）It is interior, the cutter groove（21）Including cutter groove
Side（211）With cutter groove bottom surface（212）, the blade body（1）Upper surface or lower surface and cutter groove bottom surface（212）It is adjacent to,
The blade body（1）Upper side（1311）Or downside（1312）With cutter groove side（211）It is adjacent to.
8. cutting tool according to claim 7, it is characterised in that：The cutter groove（21）Interior blade body（1）And ginseng
With the upper main cutting edge of cutting（111）Or lower main cutting edge（121）With adjacent another cutter groove（21）It is interior to participate in the corresponding of cutting
Upper main cutting edge（111）Or lower main cutting edge（121）Cutting shape having the same.
9. cutting tool according to claim 8, it is characterised in that：One of them described cutter groove（21）Two cutter groove sides
Face（211）It is the adjacent upper main cutting edges of α with angle（111）, the adjacent lower main cutting edges of angle β '（121）It is corresponding, with the cutter groove
（21）Adjacent another cutter groove（21）Two cutter groove sides（211）It is the adjacent upper main cutting edges of β with angle（111）, angle be
The adjacent lower main cutting edges of α '（121）It is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115195.XA CN106513724B (en) | 2016-12-07 | 2016-12-07 | Cutting tip and cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115195.XA CN106513724B (en) | 2016-12-07 | 2016-12-07 | Cutting tip and cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106513724A CN106513724A (en) | 2017-03-22 |
| CN106513724B true CN106513724B (en) | 2018-11-06 |
Family
ID=58342512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611115195.XA Active CN106513724B (en) | 2016-12-07 | 2016-12-07 | Cutting tip and cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106513724B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018183630A1 (en) * | 2017-03-31 | 2018-10-04 | Kennametal Inc. | Double-sided tangential cutting insert |
| WO2019107204A1 (en) * | 2017-11-28 | 2019-06-06 | 京セラ株式会社 | Cutting tool and method for manufacturing cut article |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3142110A (en) * | 1959-04-30 | 1964-07-28 | Hertel Karl | Cutting tool for lathes and similar machines |
| JP4973259B2 (en) * | 2007-03-16 | 2012-07-11 | 三菱マテリアル株式会社 | Cutting insert and insert detachable rolling tool |
| CN103124609A (en) * | 2010-09-27 | 2013-05-29 | 株式会社钨钛合金 | Cutting insert and cutting tool |
| CN103945968A (en) * | 2011-12-12 | 2014-07-23 | 三菱综合材料株式会社 | Cutting insert and interchangeable cutting edge-type cutting tool |
| CN104507608A (en) * | 2012-05-09 | 2015-04-08 | 瓦尔特公开股份有限公司 | Indexable insert for shoulder milling cutter and shoulder milling cutter with mounting cutouts for indexable inserts |
-
2016
- 2016-12-07 CN CN201611115195.XA patent/CN106513724B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3142110A (en) * | 1959-04-30 | 1964-07-28 | Hertel Karl | Cutting tool for lathes and similar machines |
| JP4973259B2 (en) * | 2007-03-16 | 2012-07-11 | 三菱マテリアル株式会社 | Cutting insert and insert detachable rolling tool |
| CN103124609A (en) * | 2010-09-27 | 2013-05-29 | 株式会社钨钛合金 | Cutting insert and cutting tool |
| CN103945968A (en) * | 2011-12-12 | 2014-07-23 | 三菱综合材料株式会社 | Cutting insert and interchangeable cutting edge-type cutting tool |
| CN104507608A (en) * | 2012-05-09 | 2015-04-08 | 瓦尔特公开股份有限公司 | Indexable insert for shoulder milling cutter and shoulder milling cutter with mounting cutouts for indexable inserts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106513724A (en) | 2017-03-22 |
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