CN110449668A - A kind of high-efficient gear milling cutter - Google Patents
A kind of high-efficient gear milling cutter Download PDFInfo
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- CN110449668A CN110449668A CN201910834425.5A CN201910834425A CN110449668A CN 110449668 A CN110449668 A CN 110449668A CN 201910834425 A CN201910834425 A CN 201910834425A CN 110449668 A CN110449668 A CN 110449668A
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- cutter head
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- tooth
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- 238000003801 milling Methods 0.000 title claims abstract description 27
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 230000000007 visual effect Effects 0.000 claims abstract description 16
- 241000209202 Bromus secalinus Species 0.000 claims abstract description 8
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 abstract description 7
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 230000007704 transition Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 12
- 230000006872 improvement Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- YWJQGSHYTRHJJH-UHFFFAOYSA-N [Co].[Ti].[W] Chemical compound [Co].[Ti].[W] YWJQGSHYTRHJJH-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/12—Milling tools
- B23F21/122—Milling tools having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention discloses a kind of high-efficient gear milling cutters, including knife handle；Cutter head, it is coaxial fixed with the side shaft end one of knife handle；Cutting edge group, along the opposite direction of cutter head rotation, each cutting edge group includes the first blade surface being sequentially connected, the second blade surface, third blade surface, the 4th blade surface；Hold bits hole, is depressed in bit interface and is connected with the 4th blade surface；Respectively have two cutting edge groups, two appearance bits holes on cutter head, it is projected along the axial visual angle of cutter head, cutting edge group holds bits and cheats respective profile and is centrosymmetric figure, along the visual angle perpendicular to cutter head axis, there are the first blade surface, holds bits and cheats the edge of respective profile along cutter head own axes axisymmetricly.The gap between adjacent teeth can just be processed with time processing by using the invention, several connected blade surfaces successively transition change, the bite of each blade surface is low, can be overlapped on cutter head head and the tail motion profile, ensure that stabilization when cutter running.
Description
Technical field
The present invention relates to lathe knife fields, and in particular to a kind of high-efficient gear milling cutter.
Background technique
The prior art is unable to reach high efficiency Gear Processing.At high speed, high efficiency milling and guarantee product precision and
Cutter life.High intensity, high class gear knife and jog processing are needed simultaneously.And it is easily generated when milling gear serious
Knife is shaken, the process-cycle is long, product qualified rate is not high, the part that processes is easy to scrap.Production efficiency is low, of poor quality.Therefore,
Need to develop a kind of high-precision, at high speed, high efficiency, the Gear Processing milling cutter of high rigidity
Summary of the invention
The problem to be solved in the present invention is to provide a kind of high-efficient gear milling cutter, can just process adjacent teeth with time processing
Between gap, several connected blade surfaces successively transition change, the bite of each blade surface is low, on cutter head head and the tail motion profile
It can be overlapped, ensure that stabilization when cutter running.
To solve the above problems, the present invention provides a kind of high-efficient gear milling cutter, in order to achieve the above objectives, the present invention solves it
Technical solution used by technical problem is:
A kind of high-efficient gear milling cutter, comprising: knife handle；Cutter head, it is coaxial fixed with the side shaft end one of knife handle；Cutting edge
Group, along cutter head rotation opposite direction, each cutting edge group include the first blade surface being sequentially connected, the second blade surface, third blade surface,
4th blade surface；Hold bits hole, is depressed in bit interface and is connected with the 4th blade surface；Respectively have two cutting edge groups, two on cutter head
Hold bits hole, projected along the axial visual angle of cutter head, cutting edge group holds bits and cheats respective profile and is centrosymmetric figure, along perpendicular to
The visual angle of cutter head axis there are the first blade surface, holds bits and cheats the edge of respective profile along cutter head own axes axisymmetricly.
Beneficial effect by adopting the above technical scheme is: can process to wheel blank, time processing just processes adjacent teeth
Between gap, wheel blank intensity itself, hardness are larger, so want to process at one time, bite is not inevitable small.One milling
The processing of groove can be realized in feed withdrawing process of knife, can reach during Gear Processing in high precision, at high speed, efficiently
Rate.Because cutting edge group sword is the first blade surface, the second blade surface, third blade surface, the 4th blade surface successively transition change, it is meant that one
Secondary cutter head rotates that all there are four the swords of gradual change every time to carry out dissection, and cutting efficiency is high, drops to the bite of each blade surface
It is low, the processing capacity requirement to each blade surface is reduced, high efficiency milling is also just solved and guarantees the precision and cutter of product
Life problems, the shake knife easily generated when avoiding milling gear.Holding bits hole can guarantee the clast processed by the first time
It is received into herein, and waits subsequent discharge.One cutting edge group collocation, one appearance bits hole is a most basic cutter unit,
All it is axial symmetry when the profile end to end of this cutter unit is circumferentially rotatable, can be overlapped on motion profile, ensure that cutter is transported
Stabilization when making prevents work piece from generating eccentric force, twisting resistance to cutter, also guarantees that groove after processing is completed is axial symmetry
's.
As a further improvement of the present invention, along cutter head axial visual angle project, a cutting edge group it is adjacent thereto one
The profile angle of spread that a appearance bits hole occupies is the straight angle, holds the first appearance bits plane, the second appearance for considering that hole includes two angled intersections to be worth doing
Consider plane to be worth doing, first holds bits plane is connected with the 4th blade surface, and it is parallel to each other and parallel that two appearance bits holes respective second hold bits plane
It in the own axes of cutter head, is projected along the visual angle for holding bits plane perpendicular to second, the first blade surface holds the edge that bits cheat respective profile
Axisymmetricly along cutter head own axes.
Beneficial effect by adopting the above technical scheme is: cutter head, which rotates a circle, undergoes cutting twice unit, and first holds bits
Plane, second hold bits plane constitute chip groove space it is big, and second hold bits plane angle be convenient for block processing after clast,
Guarantee clast discharge, rather than clast is allowed to be detained to when rotation processing next time, avoids influencing machining accuracy.
As a further improvement of the present invention, the first blade surface, the second blade surface, third blade surface, the 4th blade surface, appearance bits hole edge
The length of cutter head axial direction is gradually grown.
Beneficial effect by adopting the above technical scheme is: the more first blade surface contacted with work piece, shorter to also ensure
Its bite will not be too many, can match from front to back compared with average convenient for bite, rather than initial bite is big, subsequent
Bite is small, and gradually long layout is also convenient for that clast is guided to want to be discharged away from the direction of cutter head.
As further improvement of the invention, respective first blade surface of two cutting edge groups is connected.
Beneficial effect by adopting the above technical scheme is: guaranteeing that the forefront top of cutter head has blade.
As further improvement of the invention, the first blade surface, the second blade surface are connected with bits hole is held, the second blade surface and the 4th
Blade surface is connected.
Beneficial effect by adopting the above technical scheme is: guaranteeing that the first blade surface, the second blade surface end process the clast for being
There can be approach to enter at the first time and hold bits hole.Second blade surface be connected with the 4th blade surface eliminate third blade surface also with hold consider to be worth doing hole phase
Even, reduce the closeness of bit tip boundary line, reduce difficulty of processing.
As further improvement of the invention, the 4th blade surface is plane, and the first blade surface, the second blade surface, third blade surface are each
From being the curved surface for having convex globoidal, cancave cambered surface.
Beneficial effect by adopting the above technical scheme is: groove inner wall processed itself is also to have convex globoidal, concave arc
Face.4th blade surface as the last one blade surface, main shear action be the 4th blade surface and third blade surface boundary line, so
4th blade surface is that plane is the difficulty of processing for reducing cutter.
As further improvement of the invention, have all teeth on the periphery of cutter head, the opposite direction rotated along cutter head,
All teeth include being sequentially connected and first week flank of tooth at an angle to each other, the second week flank of tooth.
Beneficial effect by adopting the above technical scheme is: all teeth can cut face more edge-on in groove, corresponding
The top of gear is processed, guarantees the dimensional accuracy process herein after.
As further improvement of the invention, the flank of tooth is connected with the first blade surface within first week, the second week flank of tooth and the first sword
Face, the second blade surface, third blade surface are connected.
Beneficial effect by adopting the above technical scheme is: with respect to first week flank of tooth area of the second week flank of tooth is larger.
As further improvement of the invention, first week flank of tooth, the second week flank of tooth are plane, and the axial direction along cutter head regards
Angular projection, the second week flank of tooth and cutter head root circle face surround arch surface.
Beneficial effect by adopting the above technical scheme is: arch surface is also equivalent to have merged out a chip space.
As further improvement of the invention, the corresponding relief angles difference of the first blade surface, the second blade surface, third blade surface
It is 8 °, 15 °, 26 °.
Beneficial effect by adopting the above technical scheme is: determining the first blade surface, the second blade surface, with the selection of upper angle
The cutting effect of three blade surfaces is that step by step, the selection of angle can obtain preferably cutting and chip removal effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the main view of one embodiment of the present invention.
Fig. 2 is the axial view of the cutter head of one embodiment of the present invention.
Fig. 3 is partial enlarged view at the A of one embodiment of the present invention.
Fig. 4 is the application schematic diagram of one embodiment of the present invention.
Fig. 5 is partial enlarged view at the B of one embodiment of the present invention.
1- knife handle；2- cutter head；The first blade surface of 3-；The second blade surface of 4-；5- third blade surface；First week flank of tooth of 6-；7- second week
The flank of tooth；The 4th blade surface of 8-；9- holds bits hole；9a- first holds bits plane；9b- second holds bits plane；10- work piece；11- groove；
12- arch surface；L1- cutter hub overall length；L2- blade overall length；L3- cutter groove overall length；D1- tool bit diameter；D2- shank diameter；A1- backlash
Angle；A2- anterior angle；A3- weeks the first relief angle of tooth；A4- weeks the second relief angle of tooth；H1- end tooth eccentric distance；Angular width after H2- weeks tooth first；
H3- weeks angle of back of tooth beam overall.
Specific embodiment
Combined with specific embodiments below, the contents of the present invention are described in further detail:
In order to reach the purpose of the present invention, a kind of high-efficient gear milling cutter, comprising: knife handle 1；Cutter head 2, the side with knife handle 1
Shaft end one is coaxial fixed；Cutting edge group, the opposite direction rotated along cutter head 2, each cutting edge group include the be sequentially connected
One blade surface 3, the second blade surface 4, third blade surface 5, the 4th blade surface 8；Hold bits hole 9, be depressed in 2 surface of cutter head and with 8 phase of the 4th blade surface
Even；Respectively have two cutting edge groups, two appearance bits holes 9 on cutter head 2, is projected along the axial visual angle of cutter head 2, cutting edge group holds bits
It cheats 9 respective profiles to be centrosymmetric figure, along the visual angle perpendicular to 2 axis of cutter head, there are the first blade surface 3, holds bits hole 9 respectively
The edge of profile along 2 own axes of cutter head axisymmetricly.
As shown in figure 4, cutter head 2 processes work piece 10, symmetrical groove 11 is processed, i.e. processing gear blank, processing
Groove 11 between connected tooth out.The tungsten titanium-cobalt alloy that knife handle 1, cutter head 2 are integrated.
Beneficial effect by adopting the above technical scheme is: can process to wheel blank, time processing just processes adjacent teeth
Between gap, wheel blank intensity itself, hardness are larger, so want to process at one time, bite is not inevitable small.One milling
The processing of groove can be realized in feed withdrawing process of knife, can reach during Gear Processing in high precision, at high speed, efficiently
Rate.Because cutting edge group sword is the first blade surface, the second blade surface, third blade surface, the 4th blade surface successively transition change, it is meant that one
Secondary cutter head rotates that all there are four the swords of gradual change every time to carry out dissection, and cutting efficiency is high, drops to the bite of each blade surface
It is low, the processing capacity requirement to each blade surface is reduced, high efficiency milling is also just solved and guarantees the precision and cutter of product
Life problems, the shake knife easily generated when avoiding milling gear.Holding bits hole can guarantee the clast processed by the first time
It is received into herein, and waits subsequent discharge.One cutting edge group collocation, one appearance bits hole is a most basic cutter unit,
All it is axial symmetry when the profile end to end of this cutter unit is circumferentially rotatable, can be overlapped on motion profile, ensure that cutter is transported
Stabilization when making prevents work piece from generating eccentric force, twisting resistance to cutter, also guarantees that groove after processing is completed is axial symmetry
's.
It in other embodiments of the invention, is projected along the axial visual angle of cutter head 2, a cutting edge group is adjacent thereto
One to hold the 9 profile angle of spread that occupies of bits hole be the straight angle, hold bits hole 9 includes two angled intersections first and hold bits planes
9a, second hold bits plane 9b, and first holds bits plane 9a is connected with the 4th blade surface 8, and two appearance bits holes 9 respective second hold bits plane
9b is parallel to each other and is parallel to the own axes of cutter head 2, projects along the visual angle for holding bits plane 9b perpendicular to second, the first blade surface 3,
Hold bits hole 9 respective profiles edge along 2 own axes of cutter head axisymmetricly.
Beneficial effect by adopting the above technical scheme is: cutter head, which rotates a circle, undergoes cutting twice unit, and first holds bits
Plane, second hold bits plane constitute chip groove space it is big, and second hold bits plane angle be convenient for block processing after clast,
Guarantee clast discharge, rather than clast is allowed to be detained to when rotation processing next time, avoids influencing machining accuracy.
In other embodiments of the invention, the first blade surface 3, third blade surface 5, the 4th blade surface 8, is held second blade surface 4
It is gradually grown along the axial length of cutter head 2 in bits hole 9.
Beneficial effect by adopting the above technical scheme is: the more first blade surface contacted with work piece, shorter to also ensure
Its bite will not be too many, can match from front to back compared with average convenient for bite, rather than initial bite is big, subsequent
Bite is small, and gradually long layout is also convenient for that clast is guided to want to be discharged away from the direction of cutter head.
In other embodiments of the invention, respective first blade surface 3 of two cutting edge groups is connected.
Beneficial effect by adopting the above technical scheme is: guaranteeing that the forefront top of cutter head has blade.
In other embodiments of the invention, the first blade surface 3, the second blade surface 4 are connected with bits hole 9 is held, the second blade surface 4
It is connected with the 4th blade surface 8.
Beneficial effect by adopting the above technical scheme is: guaranteeing that the first blade surface, the second blade surface end process the clast for being
There can be approach to enter at the first time and hold bits hole.Second blade surface be connected with the 4th blade surface eliminate third blade surface also with hold consider to be worth doing hole phase
Even, reduce the closeness of bit tip boundary line, reduce difficulty of processing.
In other embodiments of the invention, the 4th blade surface 8 is plane, the first blade surface 3, the second blade surface 4, third sword
Face 5 is respectively the curved surface for having convex globoidal, cancave cambered surface.
Beneficial effect by adopting the above technical scheme is: groove inner wall processed itself is also to have convex globoidal, concave arc
Face.4th blade surface as the last one blade surface, main shear action be the 4th blade surface and third blade surface boundary line, so
4th blade surface is that plane is the difficulty of processing for reducing cutter.
In other embodiments of the invention, have all teeth on the periphery of cutter head 2, is rotated along cutter head 2 opposite
Direction, all teeth include being sequentially connected and first week flank of tooth 6 at an angle to each other, the second week flank of tooth 7.
Beneficial effect by adopting the above technical scheme is: all teeth can cut face more edge-on in groove, corresponding
The top of gear is processed, guarantees the dimensional accuracy process herein after.
In other embodiments of the invention, first week flank of tooth 6 is connected with the first blade surface 3, the second week flank of tooth 7 and
One blade surface 3, the second blade surface 4, third blade surface 5 are connected.
Beneficial effect by adopting the above technical scheme is: with respect to first week flank of tooth area of the second week flank of tooth is larger.
In other embodiments of the invention, first week flank of tooth 6, the second week flank of tooth 7 are plane, along cutter head 2
Axial visual angle projection, the second week flank of tooth 7 and 2 root circle face of cutter head surround arch surface 12.
As shown in Figure 1, the cutter hub overall length L1 that cutter head 2, knife handle 1 are constituted can be according to actually determining, arch surface 12 and knife
The axial length at crown end is blade overall length L2, and the axial longest distance for holding bits hole 9 is cutter groove overall length L3, blade overall length L2, knife
Slot overall length L3 can be according to actually determining.Tool bit diameter D1, shank diameter D2 are also to determine according to actually.Gash angle A1
It is 18 °.As shown in figure 3, anterior angle A2 is 5 °, all the first relief angle of tooth A3 angles are 6 ° to 8 °, and all the second relief angle of tooth A4 angles are 20 °
To 28 °.As shown in Fig. 2, end tooth eccentric distance H1 is related with tool bit diameter D1, the end tooth eccentricity when tool bit diameter D1 is 7mm
It is 0.04mm from H1.The value of angular width H2 is equal to the 0.5% to 0.6% of tool bit diameter D1, all angle of back of tooth beam overall H3 after all teeth first
Value be equal to tool bit diameter D1 15% to 20%.
Beneficial effect by adopting the above technical scheme is: arch surface is also equivalent to have merged out a chip space.
In other embodiments of the invention, the first blade surface 3, the second blade surface 4, the corresponding relief angle angle of third blade surface 5
Degree is respectively 8 °, 15 °, 26 °.
Beneficial effect by adopting the above technical scheme is: determining the first blade surface, the second blade surface, with the selection of upper angle
The cutting effect of three blade surfaces is that step by step, the selection of angle can obtain preferably cutting and chip removal effect.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of high-efficient gear milling cutter characterized by comprising
Knife handle；
Cutter head, it is coaxial fixed with the side shaft end one of knife handle；
Cutting edge group, along the opposite direction of cutter head rotation, each cutting edge group includes the first blade surface being sequentially connected, the second sword
Face, third blade surface, the 4th blade surface；
Hold bits hole, is depressed in bit interface and is connected with the 4th blade surface；
Respectively have two cutting edge groups, two appearance bits holes on the cutter head, is projected along the axial visual angle of cutter head, the cutting edge
Group holds bits and cheats the respective profile figure that is centrosymmetric and along the visual angle perpendicular to cutter head axis there are the first blade surface, holds bits hole
The edge of respective profile along cutter head own axes axisymmetricly.
2. high-efficient gear milling cutter according to claim 1, it is characterised in that: projected along the axial visual angle of cutter head, one is cut
Cutting the profile angle of spread that a sword group appearance bits hole adjacent thereto occupies is the straight angle, and it includes two angled intersections that the appearance bits, which are cheated,
First hold bits plane, second hold bits plane, described first holds bits plane is connected with the 4th blade surface, and two appearances, which are considered to be worth doing, cheats respective the
Two appearance bits planes are parallel to each other and are parallel to the own axes of cutter head, described along the visual angle projection for holding bits plane perpendicular to second
First blade surface holds bits and cheats the edge of respective profile along cutter head own axes axisymmetricly.
3. high-efficient gear milling cutter according to claim 2, it is characterised in that: first blade surface, the second blade surface, third sword
Face, the 4th blade surface, appearance bits hole are gradually grown along the length of cutter head axial direction.
4. high-efficient gear milling cutter according to claim 2, it is characterised in that: the respective first blade surface phase of two cutting edge groups
Even.
5. high-efficient gear milling cutter according to claim 4, it is characterised in that: first blade surface, the second blade surface and appearance are considered to be worth doing
Hole is connected, and second blade surface is connected with the 4th blade surface.
6. high-efficient gear milling cutter according to claim 5, it is characterised in that: the 4th blade surface be plane, described first
Blade surface, the second blade surface, third blade surface are respectively the curved surface for having convex globoidal, cancave cambered surface.
7. high-efficient gear milling cutter according to claim 2, it is characterised in that: have all teeth on the periphery of the cutter head,
Along the opposite direction of cutter head rotation, the week tooth includes being sequentially connected and first week flank of tooth at an angle to each other, the second week flank of tooth.
8. high-efficient gear milling cutter according to claim 7, it is characterised in that: first week flank of tooth and the first blade surface phase
Even, the second week flank of tooth is connected with the first blade surface, the second blade surface, third blade surface.
9. high-efficient gear milling cutter according to claim 8, it is characterised in that: first week flank of tooth, the second week flank of tooth are equal
It for plane, is projected along the axial visual angle of cutter head, the second week flank of tooth and cutter head root circle face surround arch surface.
10. high-efficient gear milling cutter according to claim 1, it is characterised in that: first blade surface, the second blade surface, third
The corresponding relief angles of blade surface are respectively 8 °, 15 °, 26 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910834425.5A CN110449668A (en) | 2019-09-04 | 2019-09-04 | A kind of high-efficient gear milling cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910834425.5A CN110449668A (en) | 2019-09-04 | 2019-09-04 | A kind of high-efficient gear milling cutter |
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| CN110449668A true CN110449668A (en) | 2019-11-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910834425.5A Pending CN110449668A (en) | 2019-09-04 | 2019-09-04 | A kind of high-efficient gear milling cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115070137A (en) * | 2022-08-03 | 2022-09-20 | 苏州哈勒智能装备有限公司 | Face gear chamfering device and face gear chamfering processing method |
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