CN107962256A - For processing the cutterhead of spiral bevel gear product - Google Patents
For processing the cutterhead of spiral bevel gear product Download PDFInfo
- Publication number
- CN107962256A CN107962256A CN201711441391.0A CN201711441391A CN107962256A CN 107962256 A CN107962256 A CN 107962256A CN 201711441391 A CN201711441391 A CN 201711441391A CN 107962256 A CN107962256 A CN 107962256A
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- CN
- China
- Prior art keywords
- outer ring
- cutter hub
- interior
- interior cutter
- cutterhead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B23F21/14—Profile cutters of disc type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a kind of cutterhead for being used to process spiral bevel gear product, it includes interior cutter hub and outer ring, and interior cutter hub is circle, and its peripheral edge edge is equipped with multiple cutter grooves；Outer ring is set with and is fixed on interior cutter hub, and outer ring circle is in the opening of cutter groove；Wherein, interior cutter hub and outer ring are Split type structure.Interior cutter hub and outer ring such as upper tool pan including mutual split, both can process respectively, stringent control cutter groove inner wall roughness during easy to process, interior cutter groove and outer sipe accumulated error, adjacent error etc., can improve the accuracy of manufacture of cutterhead.
Description
Technical field
The present invention relates to Mechanical Industry Technology field, is used to process spiral bevel gear product more specifically to one kind
Cutterhead.
Background technology
At present, spiral bevel gear Milling Process is mainly carried out by the way of face milling and end face rolling cut.Screw conic tooth
Wheel face milling and the end face usual clamping of Rolling-cut shear cutterhead have a more strip cutting blades, in milling process, due to more
Tool section simultaneously participates in cutting, and the accuracy of manufacture of cutterhead has the uniformity of the radial and axial position of tool section in cutter groove
Vital effect.Especially the radial missing of tool section can cause each tool section to produce different thicknesses of cutting, and cutting edge is held
By different degrees of load and abrasion, shorten the service life of tool section, while the tooth-face roughness and precision that cut out also have not
With the decline of degree.Therefore, there are strict requirements for the accuracy of manufacture of spiral bevel gear Milling Machining cutterhead.
Existing cutterhead is overall structure, and constant slope inclination angle is carried at its cutter groove, complicated, cutter groove inner wall roughness,
The accumulated error of interior cutter groove and outer sipe, adjacent error etc. are difficult to strictly control, it is difficult to ensure the accuracy of manufacture of cutterhead.
To sum up, how to make cutterhead is convenient to process, it is ensured that can strictly control its cutter groove inner wall roughness, interior cutter groove and outer knife
The accumulated error of groove, adjacent error etc., improve the accuracy of manufacture of cutterhead, are those skilled in the art's urgent problems to be solved.
The content of the invention
In view of this, the present invention provides a kind of cutterhead for being used to process spiral bevel gear product, it is with mutual split
Interior cutter hub and outer ring, both can process respectively, stringent control cutter groove inner wall roughness during easy to process, interior cutter groove and outer
The accumulated error of cutter groove, adjacent error etc., improve the accuracy of manufacture of cutterhead.
To achieve the above object, the present invention provides following technical solution：
A kind of cutterhead for being used to process spiral bevel gear product, including：
Interior cutter hub, the interior cutter hub is circle, and its peripheral edge edge is equipped with multiple cutter grooves；
Outer ring, the outer ring are set with and are fixed on the interior cutter hub, and outer ring circle is in the opening of the cutter groove；
Wherein, the interior cutter hub and the outer ring are Split type structure.
Preferably, in above-mentioned cutterhead, the outer ring is interference fitted with the interior cutter hub, and the outer ring and the interior cutter hub
It is welded to each other.
Preferably, in above-mentioned cutterhead, the cutter groove is uniformly distributed along the circumferential direction of the interior cutter hub.
Preferably, in above-mentioned cutterhead, the cutter groove is including for assembling the interior cutter groove of interior knife and for assembling the outer of outer knife
Cutter groove, the interior cutter groove and the outer sipe interlaced arrangement.
Preferably, in above-mentioned cutterhead, position corresponding with each cutter groove is respectively equipped with one group of screw on the outer ring
Hole；
Screw hole described in every group includes being equipped with the upper bolt aperture of holding screw and is equipped with the lower spiral shell of lower holding screw
Nail；The upper holding screw and the lower holding screw are used to push against the tool section in the guide groove, and adjust the tool section along institute
State the position of interior cutter hub radial direction.
Preferably, in above-mentioned cutterhead, holddown spring is set with the upper holding screw, the holddown spring is used for and institute
State holding screw and the tool section offsets.
Preferably, in above-mentioned cutterhead, the interior cutter hub is equipped with mounting hole.
The present invention provides a kind of cutterhead for being used to process spiral bevel gear product, it includes interior cutter hub and outer ring, interior cutter hub
For circle, and its peripheral edge is along being equipped with multiple cutter grooves；Outer ring is set with and is fixed on interior cutter hub, and outer ring circle is in the opening of cutter groove
Place；Wherein, interior cutter hub and outer ring are Split type structure.
Such as interior cutter hub of the upper tool pan including mutual split and outer ring, both can process respectively, tight during easy to process
Lattice control cutter groove inner wall roughness, interior cutter groove and outer sipe accumulated error, adjacent error etc., can improve the accuracy of manufacture of cutterhead.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the cutterhead provided in an embodiment of the present invention for being used to process spiral bevel gear product；
Fig. 2 is the structure diagram of interior cutter hub provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of outer ring provided in an embodiment of the present invention；
Fig. 4 is the top view of weld seam provided in an embodiment of the present invention；
Fig. 5 is the bottom view of weld seam provided in an embodiment of the present invention；
Fig. 6 is the sectional view for being used to process the cutterhead of spiral bevel gear product provided in an embodiment of the present invention；
Fig. 7 is the installation diagram of holding screw provided in an embodiment of the present invention, spring and tool section；
Fig. 8 is the footpath that the point of a knife of tool section provided in an embodiment of the present invention produces under upper and lower holding screw difference torque conditions
To displacement diagram.
Wherein, in Fig. 1-Fig. 8：
Mounting hole 1；Cutter groove 2；Assemble positioning surface 3；Holding screw 4；Outer knife 5；Interior knife 6；Screw hole 7；Weld seam 8；Outer ring 9；
Interior cutter hub 10；Holddown spring 11.
Embodiment
The embodiment of the invention discloses a kind of cutterhead for being used to process spiral bevel gear product, it is interior with mutual split
Cutter hub and outer ring, both can process respectively, stringent control cutter groove inner wall roughness, interior cutter groove and outer knife during easy to process
The accumulated error of groove, adjacent error etc., improve the accuracy of manufacture of cutterhead.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- Fig. 8 is please referred to Fig.1, the embodiment of the present invention provides a kind of cutterhead for being used to process spiral bevel gear product, it includes
Interior cutter hub 10 and outer ring 9, interior cutter hub 10 is circle, and its peripheral edge edge is equipped with multiple cutter grooves 2；Outer ring 9 is set with and is fixed on interior
On cutter hub 10, and the opening in cutter groove 2 is enclosed in outer ring 9；Wherein, interior cutter hub 10 and outer ring 9 are Split type structure.
Such as interior cutter hub 10 of the upper tool pan including mutual split and outer ring 9, both can process respectively, during easy to process
2 inner wall roughness of stringent control cutter groove, interior cutter groove and outer sipe accumulated error, adjacent error etc., can improve the manufacture essence of cutterhead
Degree.
In addition, above-mentioned cutterhead is Split type structure, without the manufacture of slow wire feeding Special Working Technology, can significantly drop
The equipment investment and production cost of low cutterhead manufacture.Cutter hub 10 and outer ring 9 process respectively at the same time, are conducive to shorten the system of cutterhead
The cycle is made, reduces the loss from spoilage of cutterhead.
Specifically, in above-mentioned cutterhead, outer ring 9 and interior cutter hub 10 are interference fitted, and outer ring 9 is welded to each other with interior cutter hub 10.
As upper knife groove 2 is uniformly distributed along the circumferential direction of interior cutter hub 10.Required tool section bag in spiral bevel gear product processing
Interior knife 6 and outer knife 5 are included, is respectively used to processing spiral bevel gear convex surface and concave surface, correspondingly, above-mentioned cutter groove 2 includes being used to assemble
The interior cutter groove of interior knife 6 and the outer sipe for assembling outer knife 5, interior cutter groove and outer sipe interlaced arrangement.The installation of above-mentioned tool section is high
Spend and point of a knife appearance and size is then determined according to processed spiral bevel gear product, the optional hard alloy of tool section material and high speed steel
Material.
Preferably, on above-mentioned outer ring 9 one group of screw hole 7 is respectively equipped with each 2 corresponding position of cutter groove；Every group of screw hole
7 include being equipped with the upper bolt aperture of holding screw and are equipped with the lower screw hole of lower holding screw；Upper holding screw and lower tight
Determine screw to be respectively used to push against the tool section in cutter groove 2, and adjust the tool section in cutter groove 2 along the position of interior 10 radial direction of cutter hub.On
Holding screw is corresponding with the point of a knife position of tool section, and lower holding screw is corresponding with the blade position of tool section.
As upper tool pan have upper and lower two-restriction determine bolt structure, on the premise of the axial location of tool section is not changed, pass through tune
The moment of torsion of whole two holding screws 4 is the adjustment that can be achieved to tool section radial position, with single hole bolt structure in the prior art
Cutterhead ensures that the dress knife structure of radial accuracy is compared by sacrificing tool section axial direction precision, not only simplify dress knife flow and step
Suddenly, dress knife precision and dress knife efficiency and are effectively improved.
Further, in above-mentioned cutterhead, holddown spring 11 is set with upper holding screw, holddown spring 11 is used for and make-up
Determine screw and tool section offsets.Holddown spring 11 extrudes tool section and provides frictional force to tool section, it is ensured that tool section during vertical dress knife
Overcome self gravitation, make tool section be not easy to slide from cutter groove 2, while conveniently can pull and push tool section back and forth again, adjust the axial position of tool section
Put.
Referring to Fig. 7, above-mentioned cutter groove 2 tilts datum clamp face and a right angle setting datum level containing two.Tilt peace
Fill datum level and interior 10 central axis of cutter hub at an angle, and be in 90 ° of angles with right angle setting datum level；Right angle setting datum level
With the centerline axis parallel of interior cutter hub 10.Tool section shape is rectangular, and complementary with 2 shape of cutter groove, and the head of tool section is with cutting
Sword, tool section contact the right angle setting datum level of cutter groove 2 and one of inclination datum clamp face, pacify with another inclination respectively
Fill datum level and keep certain interval.The axis of 9 upper bolt aperture of outer ring is vertical with the axis of outer ring 9, and 90 ° of corresponding cutter groove is hung down
Straight positioning surface normal direction is parallel.
A smooth flat is contained on the head of above-mentioned holding screw 4, which is in contact with tool section surface and is twisted by screw
Tight moment of torsion makes tool section against the inclination datum clamp face and right angle setting datum level of cutter groove 2.
It is performed as described above in the cutterhead of example offer, inner wire is equipped with mounting hole 1, is used for being assembled with machine tool chief axis.
The internal diameter of above-mentioned outer ring 9 is slightly less than the outer diameter of interior cutter hub 10, and 9 to 80 DEG C of outer ring is first heated in assembling process,
So that 9 diameter of outer ring is expanded to being enough to cover on interior cutter hub 10, the relative position of screw hole 7 and cutter groove 2 by frock into
Row positioning, ensures 7 axis of screw hole, 2 plane perpendicular of cutter groove corresponding with the screw hole 7.As temperature cools down, outer ring 9 is received
Contracting, outer ring 9, which is tightly placed on interior cutter hub 10, realizes interference fit.After assembling in outer ring 9 and interior cutter hub 10 10 contact surface of cutter hub without height
Degree is poor, so that the assembling positioning between completing.Interior cutter hub 10 and the interference volume of outer ring 9 need to be controlled rationally, and interference is inclined
Crimp occurs for the big cutter groove 2 that is easy to cause, and influences 2 precision of cutter groove, can cause when serious tool section can not normal mounting, interference is inclined
The generation relative displacement of front and rear and interior cutter hub 10 is being transported or welded in the small outer ring 9 that is easy to cause, and can not be welded.
As shown in Fig. 4~Fig. 6, outer ring 9 and the fastening of interior cutter hub 10 are realized by welding, with prevent interior cutter hub 10 with it is outer
Circle 9 produces relative displacement.Outer circumferential surface section on interior cutter hub 10 between adjacent cutter hub be divided into assembling positioning surface 3, assembling positioning surface 3 with
Gap between outer ring 9 is weld seam 8.To ensure weld strength, two-sided full weld, welding method, the depth of weld and welding are welded as
Intensity must ensure postwelding finished product cutterhead precision without greater loss premised on controlling welding deformation amount.To consider 8 position of weld seam
Concordant with the height of interior cutter hub 10 and outer ring 9,8 molten pool metal of weld seam height is preferably higher by welding plane after the completion of welding, subsequently may be used
Ensure that welding surface is smooth by being machined removal part weld metal.
During filling knife, holding screw 4 is screwed into screw hole 7, screw head contact tool section simultaneously promotes it against cutter groove 2
Positioning surface (including tilting datum clamp face and right angle setting datum level), the upper clamp screw at position of tool tip on tool section are installed
Holddown spring 11 is installed, the frictional force of holddown spring 11 overcomes tool section gravity during can ensure that vertical dress knife, makes knife at nail
Bar is not easy to slide from cutter groove 2, while conveniently can pull and push tool section back and forth again, adjusts the axial location of tool section.
The screw-down torque of the corresponding holding screw up and down of same cutter groove 2 is freely adjustable, to ensure tool section peace in cutter groove 2
Load admittedly, while extend the service life of screw, the screw-down torque of every holding screw is between 12NM-20NM.Knife
Bar upper slitter position of cusp can be applied by upper and lower holding screw different moments of torsion in the range of by a small margin (be usually 0.005~
0.015) it is finely adjusted, when upper tightening screw-driving moment of torsion is more than lower holding screw screw-down torque, point of a knife is towards close to interior cutter hub
10 axis directions move；When upper tightening screw-driving moment of torsion is less than lower holding screw screw-down torque, point of a knife is towards away from interior cutter hub
10 axis directions move.The process of this radially loading knife precision adjustment carries out after tool section completes axial dress knife precision adjustment, the footpath
Minimal effects are produced to its axial precision to the adjustment of dress knife precision, can realize the high-precision control radial and axial to tool section.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (7)
- A kind of 1. cutterhead for being used to process spiral bevel gear product, it is characterised in that including：Interior cutter hub, the interior cutter hub is circle, and its peripheral edge edge is equipped with multiple cutter grooves；Outer ring, the outer ring are set with and are fixed on the interior cutter hub, and outer ring circle is in the opening of the cutter groove；Wherein, the interior cutter hub and the outer ring are Split type structure.
- 2. cutterhead according to claim 1, it is characterised in that the outer ring is interference fitted with the interior cutter hub, and described Outer ring is welded to each other with the interior cutter hub.
- 3. cutterhead according to claim 1, it is characterised in that the cutter groove is uniformly distributed along the circumferential direction of the interior cutter hub.
- 4. cutterhead according to claim 3, it is characterised in that the cutter groove includes being used for the interior cutter groove and use for assembling interior knife In the outer sipe for assembling outer knife, the interior cutter groove and the outer sipe interlaced arrangement.
- 5. cutterhead according to claim 1, it is characterised in that on the outer ring position point corresponding with each cutter groove She You not one group of screw hole；Screw hole described in every group includes being equipped with the upper bolt aperture of holding screw and is equipped with the lower screw hole of lower holding screw； The upper holding screw and the lower holding screw are used to push against the tool section in the guide groove, and adjust the tool section along the interior knife The position of body radial direction.
- 6. cutterhead according to claim 5, it is characterised in that holddown spring is set with the upper holding screw, it is described Holddown spring is used to offset with the upper holding screw and the tool section.
- 7. cutterhead according to claim 1, it is characterised in that the interior cutter hub is equipped with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441391.0A CN107962256A (en) | 2017-12-27 | 2017-12-27 | For processing the cutterhead of spiral bevel gear product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441391.0A CN107962256A (en) | 2017-12-27 | 2017-12-27 | For processing the cutterhead of spiral bevel gear product |
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| Publication Number | Publication Date |
|---|---|
| CN107962256A true CN107962256A (en) | 2018-04-27 |
Family
ID=61996060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711441391.0A Pending CN107962256A (en) | 2017-12-27 | 2017-12-27 | For processing the cutterhead of spiral bevel gear product |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931741A (en) * | 2017-12-27 | 2018-04-20 | 湖南中大创远数控装备有限公司 | A kind of spiral bevel gear Gear Milling technique |
| CN114888319A (en) * | 2022-06-08 | 2022-08-12 | 哈尔滨理工大学 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
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|---|---|---|---|---|
| GB1468500A (en) * | 1975-05-15 | 1977-03-30 | Ford Motor Co | Cutter head |
| GB1591771A (en) * | 1977-02-02 | 1981-06-24 | Schmalkalden Werkzeug | Face milling head with bar-shaped milling tools |
| CN1216490A (en) * | 1996-04-25 | 1999-05-12 | 格里森工场 | Cutting tool for toothed articles |
| CN101564779A (en) * | 2009-06-01 | 2009-10-28 | 浙江丰立机电有限公司 | Assembled non-relief grinding small modulus spiral bevel gear cutter |
| CN103252538A (en) * | 2012-02-16 | 2013-08-21 | 山特维克知识产权股份有限公司 | Face hobbing milling cutter system and indexable milling blades used for same |
| CN204470996U (en) * | 2014-12-02 | 2015-07-15 | 哈尔滨理工大学 | A kind of two screw tool section clamping structure |
| CN106041224A (en) * | 2016-08-16 | 2016-10-26 | 天津大学 | Spiral bevel gear machining method |
| CN206216033U (en) * | 2016-11-25 | 2017-06-06 | 攀枝花学院 | Adjustable curved tooth cylindrical gear processes the curved tooth cylindrical gear process tool of diameter |
| CN208162784U (en) * | 2017-12-27 | 2018-11-30 | 湖南中大创远数控装备有限公司 | For processing the cutterhead of spiral bevel gear product |
-
2017
- 2017-12-27 CN CN201711441391.0A patent/CN107962256A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468500A (en) * | 1975-05-15 | 1977-03-30 | Ford Motor Co | Cutter head |
| GB1591771A (en) * | 1977-02-02 | 1981-06-24 | Schmalkalden Werkzeug | Face milling head with bar-shaped milling tools |
| CN1216490A (en) * | 1996-04-25 | 1999-05-12 | 格里森工场 | Cutting tool for toothed articles |
| CN101564779A (en) * | 2009-06-01 | 2009-10-28 | 浙江丰立机电有限公司 | Assembled non-relief grinding small modulus spiral bevel gear cutter |
| CN103252538A (en) * | 2012-02-16 | 2013-08-21 | 山特维克知识产权股份有限公司 | Face hobbing milling cutter system and indexable milling blades used for same |
| CN204470996U (en) * | 2014-12-02 | 2015-07-15 | 哈尔滨理工大学 | A kind of two screw tool section clamping structure |
| CN106041224A (en) * | 2016-08-16 | 2016-10-26 | 天津大学 | Spiral bevel gear machining method |
| CN206216033U (en) * | 2016-11-25 | 2017-06-06 | 攀枝花学院 | Adjustable curved tooth cylindrical gear processes the curved tooth cylindrical gear process tool of diameter |
| CN208162784U (en) * | 2017-12-27 | 2018-11-30 | 湖南中大创远数控装备有限公司 | For processing the cutterhead of spiral bevel gear product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931741A (en) * | 2017-12-27 | 2018-04-20 | 湖南中大创远数控装备有限公司 | A kind of spiral bevel gear Gear Milling technique |
| CN114888319A (en) * | 2022-06-08 | 2022-08-12 | 哈尔滨理工大学 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
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