CN106216778A - Chamfered edge cutter tooth, chamfering edge tool, chamfering tool and chamfering machine - Google Patents
Chamfered edge cutter tooth, chamfering edge tool, chamfering tool and chamfering machine Download PDFInfo
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- CN106216778A CN106216778A CN201610799291.4A CN201610799291A CN106216778A CN 106216778 A CN106216778 A CN 106216778A CN 201610799291 A CN201610799291 A CN 201610799291A CN 106216778 A CN106216778 A CN 106216778A
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- edge
- knife face
- chamfering
- teeth portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/10—Chamfering the end edges of gear teeth
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- 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
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Abstract
The invention provides a kind of chamfered edge cutter tooth, chamfering edge tool, chamfering tool and chamfering machine.Described chamfered edge cutter tooth includes front teeth portion and rear teeth portion, and the front end of rear teeth portion is fixing with the rear end of front teeth portion to be connected；Front teeth portion is for the end surface edge chamfering to involute cylindrical gear；Rear teeth portion is for the antarafacial edge chamfering to involute cylindrical gear.Described chamfering edge tool, including chamfered edge cutterhead and multiple chamfered edge cutters tooth, multiple chamfered edge cutters tooth are uniformly arranged along the circumference of chamfered edge cutterhead.Described involute cylindrical gear chamfering tool, including becoming seamed edge correction of the flank shape cutter and chamfering edge tool；Become seamed edge correction of the flank shape cutter and include correction of the flank shape cutter tooth.Described chamfering machine, including cutterhead rotating shaft and involute cylindrical gear chamfering tool, involute cylindrical gear chamfering tool is installed in cutterhead rotating shaft.The present invention can disposably realize whole end profile is implemented chamfered edge, has saved process time, has decreased resetting, it is ensured that Product Precision and crudy.
Description
Technical field
The present invention relates to gear machining equipment technical field, particularly to a kind of chamfered edge cutter tooth, chamfering edge tool, chamfering tool and
Chamfering machine.
Background technology
At present, involute cylindrical gear is carried out flank profil chamfered edge and is divided into two classes from the principle: (1) form cutting: gear is low
In speed rotary course, being pressed in flank profil by the emery wheel of rotation by augmentor, gear followed in rotary course all the time by emery wheel
Flank profil realizes cutting chamfered edge.(2) generating: i.e. using gear generating process principle, chamfering tool and gear are deep at end face chamfered edge
In degree, open top container ship transmission realizes cutting chamfered edge, and this method is divided into again three classes: 1) plane rib method: utilize two plane rib cuttves and tooth
Wheel generating motion, realizes flank profil chamfered edge in cutter reciprocatory movement；2) Worm type cutter (or being referred to as frustrating hobboing cutter chamfered edge method):
Worm screw shape will be made by chamfering tool, realize chamfered edge (chamfered edge mistake with gear open top container ship transmission in the end face chamfered edge degree of depth
Journey is similar to rack pinion)；3) continuous cutter head type: chamfering tool is made cutter head type, the two sides of cutter tooth is different respectively
The helical gear flank of tooth of knife face helical angle, this cutter and gear realize continuous print without sideshake external toothing transmission, realize in engagement process
Chamfered edge (chamfered edge process is similar to external gear pump transmission).Cutter head type full flank profil chamfered edge technology is a kind of efficient, high-quality continuously
Flank profil chamfering method, its principle be use open top container ship time cutter hub in the increment chamfered edge degree of depth, gear-profile is carried out continuously
Extruding, extrudes this part metals of flank profil to end face, then this part metals is excised from wheel body with scraper, thus realizes gradually
The roller gear that bursts at the seams carries out flank profil chamfered edge.
In prior art, chamfering edge tool designs and is simple to manufacture, function singleness, when involute cylindrical gear has increment step
Time, end face edge portions can only be processed, it is impossible to whole end profile is implemented chamfered edge, if to make so that routine techniques is integrated
Assembly, structure is complicated, bulky.If to end surface edge and step seamed edge separate machined, doubled a process time, two
Come resetting, secondary operations, precision and crudy poor.It addition, when involute cylindrical gear has end relief, also only
End face edge portions can be processed, it is impossible to whole end profile (including end surface edge and chamfer edge) is implemented chamfered edge, existing
Chamfering edge tool also cannot realize becoming seamed edge chamfered edge.
Summary of the invention
It is an object of the invention to provide a kind of chamfered edge cutter tooth, chamfering edge tool, chamfering tool and chamfering machine, to solve existing skill
In art when involute cylindrical gear has increment step or end relief, end face edge portions can only be processed, it is impossible to whole
Individual end profile implements the technical problem of chamfered edge.
The invention provides a kind of chamfered edge cutter tooth, including front teeth portion and rear teeth portion, the front end of described rear teeth portion with described before
The rear end of teeth portion is fixing to be connected；Described front teeth portion is for the end surface edge chamfering to involute cylindrical gear；Described rear teeth portion is used
In the antarafacial edge chamfering to involute cylindrical gear.
Further, described antarafacial seamed edge is the step rib on the step surface of the involute cylindrical gear having increment step
Limit；Described front teeth portion is for the end surface edge chamfering on the end face of the described involute cylindrical gear having increment step；Described
Rear teeth portion is for the step edge chamfering on the step surface of the described involute cylindrical gear having increment step；
Or, described antarafacial seamed edge is the chamfer edge on the fillet surface of the involute cylindrical gear having end relief；Described
Front teeth portion is for the end surface edge chamfering on the end face of the described involute cylindrical gear having end relief；Described rear teeth portion is used
Chamfer edge chamfering on the fillet surface to the described involute cylindrical gear having end relief.
Further, described front teeth portion is provided with the first end surface edge knife face and the second end surface edge knife face；Described first
End surface edge knife face and described second end surface edge knife face lay respectively at the left and right sides of described front teeth portion；Described first end face rib
The incline direction of limit knife face and described second end surface edge knife face is contrary, or described first end surface edge knife face and described second end
The incline direction of face seamed edge knife face is identical.
Further, described rear teeth portion is provided with first step seamed edge knife face and second step seamed edge knife face, and described first
Step seamed edge knife face and described second step seamed edge knife face are used to the platform to the described involute cylindrical gear having increment step
Step edge chamfering on terrace；
Described first step seamed edge knife face and described second step seamed edge knife face lay respectively at the left and right two of described rear teeth portion
Side；The incline direction of described first step seamed edge knife face and described second step seamed edge knife face is contrary, or described first step rib
Limit knife face is identical with the incline direction of described second step seamed edge knife face；Described first end surface edge knife face and described first step
Seamed edge knife face is connected by First terrace, and described second end surface edge knife face and described second step seamed edge knife face are also by
One step surface connects.
Further, the lower section of described first step seamed edge knife face and the lower section of second step seamed edge knife face are provided with and prop up
Hold knife face.
Further, described rear teeth portion is provided with the first chamfer edge knife face and the second chamfer edge knife face, and described first
Chamfer edge knife face and described second chamfer edge knife face are used to falling to the described involute cylindrical gear having end relief
Chamfer edge chamfering on edged surface；
Described first chamfer edge knife face and described second chamfer edge knife face lay respectively at the left and right two of described rear teeth portion
Side；The incline direction of described first chamfer edge knife face and described second chamfer edge knife face is contrary, or described first chamfering rib
Limit knife face is identical with the incline direction of described second chamfer edge knife face；Described first end surface edge knife face and described first chamfering
Seamed edge knife face limit altogether connects, and described second end surface edge knife face and described second chamfer edge knife face limit altogether connects.
Further, the lower section of described first chamfer edge knife face and the lower section of the second chamfer edge knife face are provided with and prop up
Hold knife face.
Present invention also offers a kind of chamfering edge tool, including chamfered edge cutterhead and multiple described chamfered edge cutter tooth, multiple described
Chamfered edge cutter tooth is uniformly arranged along the circumference of described chamfered edge cutterhead.
Present invention also offers a kind of chamfering edge tool, a kind of involute cylindrical gear chamfering tool, including becoming seamed edge correction of the flank shape cutter
And described chamfering edge tool；Described change seamed edge correction of the flank shape cutter includes correction of the flank shape cutter tooth, for gradually opening the former of involute gear chamfering edge tool
Line flank profil carries out correction of the flank shape, makes correction of the flank shape involute profile from former tooth root to former tooth top gradually to the interior lateral deviation of described former involute profile
Move, and offset distance is gradually increased in the normal orientation of described former involute profile.
Present invention also offers a kind of chamfering edge tool, a kind of chamfering machine, including cutterhead rotating shaft and described involute cylinder
Gear chamfering cutter, described involute cylindrical gear chamfering tool is installed in described cutterhead rotating shaft.
Compared with prior art, the invention have the benefit that
Chamfered edge cutter tooth, chamfering edge tool, chamfering tool and the chamfering machine that the present invention provides, makes chamfered edge cutter tooth by front teeth portion and rear tooth
Portion is composited a cutter hub；By front teeth portion, the end surface edge of involute cylindrical gear being carried out chamfering, rear teeth portion is to gradually opening
The antarafacial seamed edge of line roller gear carries out chamfering, and antarafacial seamed edge is step seamed edge or chamfer edge, the most just can be disposable
Realize whole end profile is implemented chamfered edge, saved process time, decreased resetting, it is ensured that Product Precision and processing
Quality.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the partial schematic diagram of the involute cylindrical gear having increment step in the embodiment of the present invention one；
Fig. 2 is the structural representation of chamfered edge cutter tooth in the embodiment of the present invention one；
Fig. 3 is the structural representation of the involute cylindrical gear having end relief in the embodiment of the present invention two；
Fig. 4 is the structural representation of the embodiment of the present invention two chamfered edge cutter tooth；
Fig. 5 is for being machined with the local of the chamfering edge tool of the involute cylindrical gear of increment step in the embodiment of the present invention three
Structural representation；
Fig. 6 is for being machined with the local of the chamfering edge tool of the involute cylindrical gear of end relief in the embodiment of the present invention three
Structural representation；
Schematic diagram when Fig. 7 is that in the embodiment of the present invention three, chamfer edge replaces with limited tiny step；
Schematic diagram when Fig. 8 is that in the embodiment of the present invention three, chamfer edge replaces with 3 tiny steps；
Schematic diagram when Fig. 9 is that in the embodiment of the present invention three, teeth directional seamed edge and step seamed edge deteriorate at same；
Schematic diagram when Figure 10 is that in the embodiment of the present invention three, radially knife face, left chamfered edge knife face and right chamfered edge knife face intersect；
Schematic diagram when Figure 11 is that in the embodiment of the present invention three, left cutter line and right cutter line fit to knife face；
Figure 12 is the structural representation of correction of the flank shape cutter tooth in the embodiment of the present invention four；
Figure 13 is to become schematic diagram when rib correction of the flank shape cutter carries out correction of the flank shape to involute gear chamfering edge tool in the embodiment of the present invention four.
In figure:
101-end surface edge；102-step seamed edge；103-the first end surface edge knife face；
104-the second end surface edge knife face；105-first step seamed edge knife face；
106-second step seamed edge knife face；107-First terrace；
109-supports knife face；110-chamfer edge；111-the first chamfer edge knife face；
112-the second chamfer edge knife face；113-chamfered edge cutterhead；114-chamfered edge cutter tooth；
115-teeth directional seamed edge；The 116-left chamfered edge knife face in inner side；
117-outermost right chamfered edge knife face；118-outermost radially knife face；119-left cutter line；
120-right cutter line；The left knife face of 121-correction of the flank shape；The right knife face of 122-correction of the flank shape；
The former involute profile of 123-；124-correction of the flank shape involute profile；
125-outermost left chamfered edge knife face；126-the most radially inside knife face.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can be concrete
Situation understands above-mentioned term concrete meaning in the present invention.
Embodiment one
Seeing shown in Fig. 1 and Fig. 2, this inventive embodiments one provides a kind of chamfered edge cutter tooth, and chamfered edge cutter tooth includes front teeth portion
With rear teeth portion, the front end of rear teeth portion is fixing with the rear end of front teeth portion to be connected；Front teeth portion is for the end face to involute cylindrical gear
Seamed edge 101 chamfering；Rear teeth portion is for the antarafacial edge chamfering to involute cylindrical gear.
The chamfered edge cutter tooth that this embodiment provides, makes chamfered edge cutter tooth be composited a cutter hub by front teeth portion and rear teeth portion；Logical
Before crossing, teeth portion carries out chamfering to the end surface edge 101 of involute cylindrical gear, the rear teeth portion antarafacial rib to involute cylindrical gear
While carry out chamfering, the most just can disposably realize whole end profile is implemented chamfered edge, save process time, decreased
Resetting, it is ensured that Product Precision and crudy.
In this embodiment, antarafacial seamed edge is the step seamed edge on the step surface of the involute cylindrical gear having increment step
102, front teeth portion is used for end surface edge 101 chamfering on the end face to the involute cylindrical gear having increment step；Rear teeth portion is used
In to have increment step involute cylindrical gear step surface on step seamed edge 102 chamfering；It is to say, in this embodiment
Chamfered edge cutter tooth for the involute cylindrical gear having increment step being carried out chamfered edge, including to step edge chamfering with to end face
Edge chamfering.
Specifically, involute cylindrical gear is had the side of increment step upward, from the axle of involute cylindrical gear
Observe downwards to direction, it was observed that the end profile of the gear teeth, it is simply that the platform on the end surface edge being positioned on end face and step surface
The combination of rank seamed edge.
Shown in Figure 2, in this embodiment, front teeth portion is provided with the first end surface edge knife face 103 and the second end surface edge
Knife face 104；First end surface edge knife face 103 and the second end surface edge knife face 104 are used to end surface edge chamfering；First end face
Seamed edge knife face 103 and the second end surface edge knife face 104 lay respectively at the left and right sides of front teeth portion, say, that the first end face rib
While be positioned at the left side of front teeth portion, the second end surface edge is positioned at the right side of front teeth portion；First end surface edge knife face 103 and the second end face
The incline direction of seamed edge knife face 104 is contrary；First end surface edge knife face 103 and the second end surface edge knife face 104 are all for by gradually opening
The face that line generates.It should be noted that the incline direction of the first end surface edge knife face 103 and the second end surface edge knife face 104 is also
Can be identical, or one of them is straight-tooth knife face, i.e. and knife face helical angle is 0 degree.
Shown in Figure 2, in this embodiment, rear teeth portion is provided with first step seamed edge knife face 105 and second step seamed edge
Knife face 106, first step seamed edge knife face 105 and second step seamed edge knife face 106 are used to the involute circle having increment step
Step edge chamfering on the step surface of stud wheel；First step seamed edge knife face 105 and second step seamed edge knife face 106 position respectively
The left and right sides in rear teeth portion, say, that first step seamed edge knife face 105 is positioned at the left side of rear teeth portion, second step seamed edge
Knife face 106 is positioned at the right side of rear teeth portion；First step seamed edge knife face 105 and the incline direction phase of second step seamed edge knife face 106
Instead；First end surface edge knife face 103 and first step seamed edge knife face 105 are connected by First terrace 107, the second end surface edge
Knife face 104 and second step seamed edge knife face 106 connect also by First terrace 107, and involute gear is being entered by chamfered edge cutter tooth
During row chamfered edge, First terrace 107 does not contacts with involute gear；First step seamed edge knife face 105 and second step seamed edge cutter
Face 106 is all for the face generated by involute.It should be noted that first step seamed edge knife face 105 and second step seamed edge knife face
The incline direction of 106 can also be identical, or one of them is straight-tooth knife face, i.e. knife face helical angle is 0 degree.
Shown in Figure 2, in this embodiment, the lower section of first step seamed edge knife face 105 and second step seamed edge knife face 106
Lower section be provided with supporting knife face 109, chamfered edge cutter tooth when involute gear is carried out chamfered edge, supporting knife face 109 not with gradually
Involute gear contacts, and supporting knife face 109 plays supporting first step seamed edge knife face 105 and the work of second step seamed edge knife face 106
With.
It should be noted that chamfered edge cutter tooth in this embodiment can be according to the involute cylindrical gear having increment step
Type does different designs, so that chamfered edge cutter tooth to there being the involute spur gear of increment step or can have increment platform
The Involute Helical Gears on rank carries out chamfered edge.
Embodiment two
Seeing shown in Fig. 3 and Fig. 4, this inventive embodiments one provides a kind of chamfered edge cutter tooth, and chamfered edge cutter tooth includes front teeth portion
With rear teeth portion, the front end of rear teeth portion is fixing with the rear end of front teeth portion to be connected；Front teeth portion is for the end face to involute cylindrical gear
Seamed edge 101 chamfering；Rear teeth portion is for the antarafacial edge chamfering to involute cylindrical gear.
The chamfered edge cutter tooth that this embodiment provides, makes chamfered edge cutter tooth be composited a cutter hub by front teeth portion and rear teeth portion；Logical
Before crossing, teeth portion carries out chamfering to the end surface edge of involute cylindrical gear, and the antarafacial seamed edge of involute cylindrical gear is entered by rear teeth portion
Row chamfering, the most just can disposably realize whole end profile is implemented chamfered edge, save process time, decreased repetition
Location, it is ensured that Product Precision and crudy.
In this embodiment, antarafacial seamed edge is the chamfer edge on the fillet surface of the involute cylindrical gear having end relief
110；Front teeth portion is used for the end surface edge chamfering on the end face to the involute cylindrical gear having end relief；Rear teeth portion is for right
Have end relief involute cylindrical gear fillet surface on chamfer edge 110 chamfering；It is to say, falling in this embodiment
Rib cutter tooth is for carrying out chamfered edge to the involute cylindrical gear having end relief, including to chamfer edge chamfering with to end surface edge
Chamfering.
Specifically, involute cylindrical gear is had the side of end relief upward, from the axle of involute cylindrical gear
Observe downwards to direction, it was observed that the end profile of the gear teeth, it is simply that falling on the end surface edge being positioned on end face and fillet surface
The combination of angle seamed edge.
Shown in Figure 4, in this embodiment, front teeth portion is provided with the first end surface edge knife face 103 and the second end surface edge
Knife face 104；First end surface edge knife face 103 and the second end surface edge knife face 104 are used to end surface edge chamfering；First end face
Seamed edge knife face 103 and the second end surface edge knife face 104 lay respectively at the left and right sides of front teeth portion, say, that the first end face rib
While be positioned at the left side of front teeth portion, the second end surface edge is positioned at the right side of front teeth portion；First end surface edge knife face 103 and the second end face
The incline direction of seamed edge knife face 104 is contrary；First end surface edge knife face 103 and the second end surface edge knife face 104 are all for by gradually shape
The face that line generates.It should be noted that the incline direction of the first end surface edge knife face 103 and the second end surface edge knife face 104 is also
Can be identical, or one of them is straight-tooth knife face, i.e. and knife face helical angle is 0 degree.
Shown in Figure 4, in this embodiment, rear teeth portion is provided with the first chamfer edge knife face 111 and the second chamfer edge
Knife face 112, the first chamfer edge knife face 111 and the second chamfer edge knife face are used to the involute Cylinder Gear having end relief
Chamfer edge chamfering on the fillet surface of wheel；After first chamfer edge knife face 111 and the second chamfer edge knife face 112 lay respectively at
The left and right sides of teeth portion, the incline direction of the first chamfer edge knife face 111 and the second chamfer edge knife face 112 is contrary；First end
Face seamed edge knife face 103 and the first chamfer edge knife face 111 limit altogether connect, the second end surface edge knife face 104 and the second chamfer edge
Knife face 112 limit altogether connects.It should be noted that the first chamfer edge knife face 111 and inclination side of the second chamfer edge knife face 112
To all right identical, or one of them is straight-tooth knife face, i.e. knife face helical angle is 0 degree.
Shown in Figure 4, in this embodiment, the lower section of the first chamfer edge knife face 111 and the second chamfer edge knife face 112
Lower section be provided with supporting knife face 109.Chamfered edge cutter tooth when involute gear is carried out chamfered edge, supporting knife face 109 not with gradually
Involute gear contacts, and supporting knife face 109 plays supporting the first chamfer edge knife face 111 and work of the second chamfer edge knife face 112
With.
It should be noted that chamfered edge cutter tooth in this embodiment can be according to the involute cylindrical gear having end chamfer
Type does different designs, so that chamfered edge cutter tooth to there being the involute spur gear of end chamfer or can have end face to fall
The Involute Helical Gears at angle carries out chamfered edge.
Embodiment three
See shown in Fig. 5 to Figure 11, this embodiment disclose a kind of chamfering edge tool, including chamfered edge cutterhead 113 and multiple reality
Executing in example one or the chamfered edge cutter tooth 114 of embodiment two, multiple chamfered edge cutters tooth 114 are uniformly arranged, also along the circumference of chamfered edge cutterhead 113
That is, chamfered edge cutterhead 113 is provided with the chamfered edge cutter tooth in multiple embodiment one, or is provided with multiple on chamfered edge cutterhead 113
Chamfered edge cutter tooth in embodiment two.
The method for designing of the chamfering edge tool of this embodiment is:
Transverse module according to Principles of Gear Connection, the modulus of chamfering edge tool, pressure angle and involute gear and end force
Angle is the most identical；Helical angle and chamfered edge according to involute gear require to determine the first end surface edge knife face 103 He of front teeth portion
The helical angle of the second end surface edge knife face 104 completes the design of front teeth portion, and is modeled by UG software 3D.
Two kinds of situations are divided into for the design of rear teeth portion:
Situation A, the step seamed edge that i.e. rear teeth portion is used on the step surface to the involute cylindrical gear having increment step falls
The situation at angle:
Shown in Figure 5, according to the axial depth of increment step and radial height and the helical angle of involute gear and
Chamfered edge require determine the first step seamed edge knife face 105 of rear teeth portion and the helical angle of second step seamed edge knife face 106 complete after tooth
The design in portion, and being modeled by UG software 3D, then further according to the axial depth of increment step and radial height by front teeth portion and
Rear teeth portion is combined into a chamfered edge cutter tooth, i.e. " adds " computing by boolean, generate compound chamfered edge cutter tooth, so in UG software
After chamfered edge cutter tooth completed along the circumference array of chamfered edge cutterhead the design of chamfering edge tool.
Case B, the chamfer edge that i.e. rear teeth portion is used on the fillet surface to the involute cylindrical gear having end relief falls
The situation at angle:
Shown in Figure 7, due to the seriality of chamfer edge change, therefore cannot be according at axially and radially Spline smoothing
The method of step seamed edge be designed, and use differentiation to be replaced by limited tiny step of continuous print chamfer edge, when
The axial depth of each tiny step tends to infinitely small, when i.e. the length of teeth directional seamed edge 115 tends to infinitesimal, and the length of step seamed edge
Degree also tends to infinitesimal, so that tiny step becomes continuous print chamfer edge.It should be noted that for each small
Rank, it is possible to use the method for designing complete design of situation A.
See shown in Fig. 8 and Fig. 9, wherein in Fig. 9, represent a little with circle；Specifically, by continuous chamfer edge with 3
Tiny step replaces, further, when the length of the teeth directional seamed edge 115 of 3 tiny steps trends towards infinitesimal, and each small
The teeth directional seamed edge 115 on rank and step seamed edge will deteriorate to same point, and i.e. a point on chamfer edge, is used for cutting teeth directional rib
The knife face on limit 115 and the knife face of step seamed edge will be degenerated to cutter line, i.e. use cutter line to carry out cutting point, separately design at these 3 points
3 cutter lines, i.e. complete, to the cutting at these 3 points, when point each on chamfer edge is all cut, i.e. to complete chamfering
The cutting of seamed edge.It should be noted that these 3 points lay respectively at the original position of chamfer edge, centre position and final position,
Wherein original position is the point of intersection of chamfer edge and end surface edge.
See shown in Figure 10 Figure 11, at these 3 tiny steps, design 3 groups of left chamfered edge knife faces and 3 groups of right chamfered edge knife faces,
Being respectively utilized to complete the chamfering of step seamed edge at 3 tiny steps, wherein, 3 groups of left chamfered edge knife faces are followed successively by an outermost left side
Rib knife face 125, middle left chamfered edge knife face and the left chamfered edge knife face 116 in inner side；3 groups of right chamfered edge knife faces are followed successively by the right chamfered edge of outermost
Knife face 117, intermediate right chamfered edge knife face and the right chamfered edge knife face in inner side；Be also contemplated that 3 groups of radially knife faces, be used for 3 small
The chamfering of the teeth directional seamed edge 115 at step, 3 groups radially knife face be followed successively by outermost radially knife face 118, intermediate radial knife face,
Radially inside knife face 126；In the theoretical installation site of chamfering edge tool Yu involute gear, radially knife face and chamfered edge cutterhead 113
Centres the face of cylinder of tangent with the teeth directional seamed edge 115 of the 3 of involute gear tiny steps (or intersecting in right amount).
Seeing shown in Figure 10 and Figure 11, the left chamfered edge knife face of 3 groups of radially knife faces and 3 groups intersects respectively, wherein, and radially knife face
With the corresponding relation of left knife face it is: outermost radially knife face 118 (the radial direction knife face that i.e. diameter is maximum) and the left chamfering edge tool in inner side
(i.e. along the left chamfered edge knife face that the axialy offset distance of gear is minimum) intersects for face 116, and the most radially inside (i.e. diameter is for knife face 126
Little radial direction knife face) chamfered edge knife face 125 (i.e. along left chamfered edge knife face that the axialy offset distance of gear maximum) phase left with outermost
Handing over, middle radial direction knife face intersects with the left chamfered edge knife face in centre position, after intersecting two-by-two according to above-mentioned corresponding relation, forms 3
The generation line of bar the first chamfer edge knife face 111,119,3 left cutter lines 119 of i.e. 3 left cutter lines complete the chamfering of corresponding point；With
Reason, 3 groups of radial direction knife faces and 3 groups of right chamfered edge knife face crossing, generation lines of 3 the second chamfer edge knife faces 112 of formation respectively, i.e. 3
Bar right cutter line 120；Then the left cutter line 119 of matching 3 i.e. produces the first chamfer edge knife face 111, and the right cutter line of matching 3 120 is i.e.
Produce the second chamfer edge knife face 112, say, that the first chamfer edge knife face 111 and the second chamfer edge knife face 112 are
Matching face；Modeled by UG software 3D again, teeth portion after generation, and front teeth portion and rear teeth portion are combined into a chamfered edge cutter tooth,
UG software i.e. " adds " computing by boolean, generates compound chamfered edge cutter tooth；Finally by chamfered edge cutter tooth along the circle of chamfered edge cutterhead
All arrays complete the design of chamfering edge tool.
For solving the cutting simulation problem of the design process of chamfering edge tool, to improve the design efficiency of chamfering edge tool, this embodiment
In, involute gear model, chamfering edge tool model are assembled in UG software, rigging position keeps consistent with design parameter: center
Away from equal to design and installation away from, according to the gear ratio of involute gear, chamfering edge tool set up angle driving relationship emulation involute gear
Model (i.e. changes the setting angle of the setting angle of involute gear, then chamfering edge tool therewith with the engaged transmission process of chamfering edge tool
Changing, vice versa, and involute gear model and chamfering edge tool remain at pitch circle position pure rolling), cutting simulation be then
Engagement process use UG software extract the involute gear model of this position of engagement, chamfering edge tool model, with simulation involute teeth
Take turns the process of the cutter cutting that is chamfered, carry out a Boolean subtraction calculation in each position of engagement, when involute gear rotates one
Zhou Hou, then cutting simulation process completes, it is possible to can be visually seen the cutting effect of chamfering edge tool, repaiies according to cutting simulation result in time
Change the design of chamfering edge tool.
The chamfering edge tool method for designing that this embodiment provides is simple, solves design and the chamfering edge tool of the chamfering edge tool of complexity
Cutting simulation problem, significantly improve the design efficiency of chamfering edge tool of complexity and be designed to power；And chamfering edge tool directly exists
Completing Modeling and Design, emulation cutting and Programming Design in UG software system, completing processing at universal numerical control machining center (need not be special
With lathe), whole process can be realized and manufacture with no paper at all.
It should be noted that the knife face of chamfered edge cutter tooth in this embodiment, bearing-surface, step surface, the company between each face
Connect and connect for rounding off.
Embodiment four
This embodiment four provides a kind of involute cylindrical gear chamfering tool, including becoming seamed edge correction of the flank shape cutter and embodiment
Three chamfering edge tools provided；Become seamed edge correction of the flank shape cutter and include correction of the flank shape cutter tooth, for the former involute profile to involute gear chamfering edge tool
123 carry out correction of the flank shape, make correction of the flank shape involute profile 124 from former tooth root to former tooth top gradually to the interior lateral deviation of former involute profile 123
Move, and offset distance is gradually increased in the normal orientation of former involute profile 123.
Shown in Figure 12, specifically, correction of the flank shape cutter tooth includes the left knife face of correction of the flank shape 121 and the right knife face of correction of the flank shape 122, and correction of the flank shape is left
Knife face 121 and correction of the flank shape right knife face 122 incline direction are contrary, and the left knife face of correction of the flank shape 121 and the right knife face of correction of the flank shape 122 are all for by correction of the flank shape gradually
Burst at the seams generate face；Become seamed edge correction of the flank shape cutter and also include that correction of the flank shape cutterhead, multiple correction of the flank shape cutters tooth are uniformly arranged along correction of the flank shape cutterhead circumference.
Shown in Figure 13, this embodiment provide become seamed edge correction of the flank shape cutter correction method into: to involute gear chamfered edge
The former involute profile 123 of cutter carries out correction of the flank shape, makes correction of the flank shape involute profile 124 from former tooth root to former tooth top gradually to former involute
The offset inboard of flank profil 123, and offset distance is gradually increased in the normal orientation of former involute profile 123.
The correction method becoming seamed edge correction of the flank shape cutter that this embodiment provides simply effectively, be easily achieved, creatively solve
Flank profil becomes the technical barrier of seamed edge chamfered edge.
Embodiment five
This embodiment five provides a kind of chamfering machine, the involute Cylinder Gear provided including cutterhead rotating shaft and embodiment four
Wheel chamfering tool, involute cylindrical gear chamfering tool is installed in cutterhead rotating shaft.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a chamfered edge cutter tooth, it is characterised in that include front teeth portion and rear teeth portion, the front end of described rear teeth portion and described front teeth portion
Rear end fixing connect；Described front teeth portion is for end surface edge (101) chamfering to involute cylindrical gear；Described rear teeth portion is used
In the antarafacial edge chamfering to involute cylindrical gear.
Chamfered edge cutter tooth the most according to claim 1, it is characterised in that described antarafacial seamed edge is the involute having increment step
Step seamed edge (102) on the step surface of roller gear；Described front teeth portion is for the described involute cylinder having increment step
End surface edge (101) chamfering on the end face of gear；Described rear teeth portion is for the described involute Cylinder Gear having increment step
Step seamed edge (102) chamfering on the step surface of wheel；
Or, described antarafacial seamed edge is the chamfer edge (110) on the fillet surface of the involute cylindrical gear having end relief；Described
Front teeth portion is for end surface edge (101) chamfering on the end face of the described involute cylindrical gear having end relief；After described
Teeth portion is for chamfer edge (110) chamfering on the fillet surface of the described involute cylindrical gear having end relief.
Chamfered edge cutter tooth the most according to claim 2, it is characterised in that described front teeth portion is provided with the first end surface edge knife face
(103) and the second end surface edge knife face (104)；Described first end surface edge knife face (103) and described second end surface edge knife face
(104) left and right sides of described front teeth portion is laid respectively at；Described first end surface edge knife face (103) and described second end surface edge
The incline direction of knife face (104) is contrary, or described first end surface edge knife face (103) and described second end surface edge knife face
(104) incline direction is identical.
Chamfered edge cutter tooth the most according to claim 3, it is characterised in that described rear teeth portion is provided with first step seamed edge knife face
And second step seamed edge knife face (106), described first step seamed edge knife face (105) and described second step seamed edge knife face (105)
(106) the step edge chamfering on the step surface to the described involute cylindrical gear having increment step it is used to；
Described first step seamed edge knife face (105) and described second step seamed edge knife face (106) lay respectively at described rear teeth portion
The left and right sides；The incline direction of described first step seamed edge knife face (105) and described second step seamed edge knife face (106) is contrary,
Or described first step seamed edge knife face (105) is identical with the incline direction of described second step seamed edge knife face (106)；Described first
End surface edge knife face (103) and described first step seamed edge knife face (105) are connected by First terrace (107), and described second
End surface edge knife face (104) and described second step seamed edge knife face (106) connect also by First terrace (107).
Chamfered edge cutter tooth the most according to claim 4, it is characterised in that the lower section of described first step seamed edge knife face (105)
It is provided with supporting knife face (109) with the lower section of second step seamed edge knife face (106).
Chamfered edge cutter tooth the most according to claim 3, it is characterised in that described rear teeth portion is provided with the first chamfer edge knife face
(111) and the second chamfer edge knife face (112), described first chamfer edge knife face (111) and described second chamfer edge knife face
It is used to the chamfer edge chamfering on the fillet surface to the described involute cylindrical gear having end relief；
Described first chamfer edge knife face (111) and described second chamfer edge knife face (112) lay respectively at described rear teeth portion
The left and right sides；The incline direction of described first chamfer edge knife face (111) and described second chamfer edge knife face (112) is contrary,
Or described first chamfer edge knife face (111) is identical with the incline direction of described second chamfer edge knife face (112)；Described first
End surface edge knife face (103) and described first chamfer edge knife face (111) limit altogether connects, described second end surface edge knife face
(104) connect with described second chamfer edge knife face (112) limit altogether.
Chamfered edge cutter tooth the most according to claim 6, it is characterised in that the lower section of described first chamfer edge knife face (111)
It is provided with supporting knife face (109) with the lower section of the second chamfer edge knife face (112).
8. a chamfering edge tool, it is characterised in that include chamfered edge cutterhead (113) and multiple institute as any one of claim 1-7
The chamfered edge cutter tooth (114) stated, multiple described chamfered edge cutters tooth are uniformly arranged along the circumference of described chamfered edge cutterhead (113).
9. an involute cylindrical gear chamfering tool, it is characterised in that include becoming seamed edge correction of the flank shape cutter and such as claim 8 institute
The chamfering edge tool stated；Described change seamed edge correction of the flank shape cutter includes correction of the flank shape cutter tooth, for the former involute profile to involute gear chamfering edge tool
(123) carry out correction of the flank shape, make correction of the flank shape involute profile (124) from former tooth root to former tooth top gradually to described former involute profile
(123) offset inboard, and offset distance is gradually increased in the normal orientation of described former involute profile (123).
10. a chamfering machine, it is characterised in that include cutterhead rotating shaft and involute cylindrical gear as claimed in claim 9
Chamfering tool, described involute cylindrical gear chamfering tool is installed in described cutterhead rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610799291.4A CN106216778B (en) | 2016-08-31 | 2016-08-31 | Chamfered edge cutter tooth, chamfering edge tool, chamfering tool and chamfering machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610799291.4A CN106216778B (en) | 2016-08-31 | 2016-08-31 | Chamfered edge cutter tooth, chamfering edge tool, chamfering tool and chamfering machine |
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| CN107309720A (en) * | 2017-07-19 | 2017-11-03 | 哈尔滨理工大学 | The method for grinding and grinding trajectory design method of gradual change chamfering tool |
| CN109014439A (en) * | 2018-08-30 | 2018-12-18 | 中国重汽集团大同齿轮有限公司 | Plate-like topping gear chamfering knife and manufacturing method for cylindrical gear profile chamfered edge |
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| CN107309720B (en) * | 2017-07-19 | 2019-02-22 | 哈尔滨理工大学 | The method for grinding and grinding trajectory design method of gradual change chamfering tool |
| CN109014439A (en) * | 2018-08-30 | 2018-12-18 | 中国重汽集团大同齿轮有限公司 | Plate-like topping gear chamfering knife and manufacturing method for cylindrical gear profile chamfered edge |
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| Publication number | Publication date |
|---|---|
| CN106216778B (en) | 2018-08-17 |
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Address after: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |