CN107081489A - Fixture and its application method for gear multiaxis end mill processing - Google Patents
Fixture and its application method for gear multiaxis end mill processing Download PDFInfo
- Publication number
- CN107081489A CN107081489A CN201710456375.2A CN201710456375A CN107081489A CN 107081489 A CN107081489 A CN 107081489A CN 201710456375 A CN201710456375 A CN 201710456375A CN 107081489 A CN107081489 A CN 107081489A
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- China
- Prior art keywords
- gear
- pedestal
- annulus
- end mill
- fixture
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Abstract
The invention discloses a kind of fixture and its application method for gear multiaxis end mill processing, fixture is made up of fixed core with entangling the pedestal of fixed core, it is covered with yielding rubber between pedestal and fixed core, locked after pedestal upper end socket annulus spreader cone, gear and pad by the check bolt with yielding rubber ring, realize the fixation of gear, yielding rubber and yielding rubber ring can be used to absorb vibrations, improve Gear Processing precision and surface quality；Pedestal lower end outer surface is evenly equipped with to knife face, and Cutter coordinate system is quickly set up using to knife face, to knife and school knife process when facilitating numerical control multi-shaft end mill processing, simplifies searching of the Gear Processing to knife point.
Description
Technical field
The present invention relates to a kind of gear machining apparatus, and in particular to a kind of fixture for gear multiaxis end mill processing and its
Application method.
Background technology
Gear is mainly used in transmission power and motion, between guarantee gear, what is be driven between gear and axle is continuous, flat
Surely, the requirement on machining accuracy of face of gear is very high.During current Gear Processing, it is completed mainly by clamping on index dial
The processing of each tooth, conventional clamp structure is complicated, and adaptability is relatively low, uses also inconvenience, and production cost is high.
General cycloid gear is the special shape of cycloid gear, is that inside and outside internal and external cycloids are combined, shape is intercepted by flank profil
Into the general cycloid gear that can be engaged, the flank of tooth is complicated, and requirement on machining accuracy is high, and positioning difficulty is big.In addition, for close-toothed tooth
Wheel, because its tooth to be processed is than larger, therefore uses existing rigid clamping, damping effect is bad, can cause strength of gear
It is uneven and surface quality is poor, meanwhile, the close-toothed fixture of numerical control end mill is more rare at present, is clamped more using traditional fixture,
Installation operation is complicated, and positioning precision is not high.
In this, for this demand the present inventor propose a kind of fixture for general cycloid gear multiaxis end mill processing of design and
Its application method.
The content of the invention
It is many that the technical problems to be solved by the invention are to provide that a kind of convenient mounting and clamping, positioning precision be high, damping property is good
The fixture of shaft end milling fine module gear and the application method of the fixture.
In order to solve the above technical problems, the technical solution of the present invention is：
A kind of fixture for gear multiaxis end mill processing, fixture is made up of fixed core with entangling the pedestal of fixed core, fixed core
It is fixed in the frame of process equipment, yielding rubber is covered between pedestal and fixed core, to absorb vibrations, improves Gear Processing essence
Degree, pedestal lower end outer surface is evenly equipped with to knife face, and using Cutter coordinate system is quickly set up to knife face, gear is socketed on pedestal
End, check bolt is fixed on fixed core through pedestal from top to bottom, and check washer is provided between check bolt and gear upper surface, prevents
Loose bolt and check washer compress the connection between gear and fixture jointly.
Preferably, pedestal upper end protrudes to form hollow round table structure, annulus spreader cone is additionally provided between gear and pedestal, is used
With more preferable gripper and make strength of gear uniform, annulus spreader cone and hollow round table structure formation interference fit and swelling tooth
Wheel, annulus spreader cone is hollow out loop configuration, and inner ring surface is the conical camber matched with hollow round table texture edge, and outer ring surface is
The cylindrical curved surface matched with bore；It is evenly distributed with annulus spreader cone between four downward opening expansion joints, expansion joint
The telescopic chute section being made up of intensive telescopic chute is also distributed with, telescopic chute section inner opening is upward and downward opening telescopic chute interlocks
Arranged distribution.
Preferably, to the distribution of knife face positive axis to constitute processing orthogonal coordinate system O-XYZ.
Preferably, yielding rubber ring is cased with the middle part of check bolt, to absorb the shake transmitted from fixed core through check bolt
It is dynamic.
Preferably, annulus spreader cone upper surface correspondence expansion joint position sets a hanger to take annulus spreader cone respectively
Go out, hanger is is inverted L-type, and the buckle of hanger is outwardly.
Preferably, be additionally provided between gear and pedestal boss key be used for it is tangentially oriented, boss key annulus extension cone on the outside of.
A kind of application method for gear multiaxis end mill processing fixture, it is characterised in that comprise the following steps：
Step 1：Fixed core is fixed on to the stand of numerical control gear multiaxis end mill processing equipment, a damping is arranged on the outside of fixed core
After rubber, then it is socketed a pedestal；
Step 2：Gear is socketed in pedestal upper end, gear upper table cover sets a check washer, check bolt is worn from top to bottom
Cross pedestal and be fixed on fixed core；
Step 3：The X-axis and Y-axis that to knife face determine Cutter coordinate system of the numerical control machining cutter by pedestal lower end outer surface uniformly,
The Z axis of Cutter coordinate system is determined by being socketed in the top surface of pedestal upper end gear, so that it is determined that Cutter coordinate system O-XYZ；
Step 4：Start numerical control gear multiaxis end mill processing equipment, according to Cutter coordinate system O-XYZ and Gear Processing requirement, to tooth
Wheel carries out multiaxis end mill finishing；
Step 5：Processing is completed, gear is taken out.
Preferably, an annulus spreader cone is first arranged before step 2 on pedestal, annulus spreader cone and the open circles of pedestal upper end
Platform structure formation interference fit and swelling gear, annulus spreader cone are hollow out loop configuration, and inner ring surface is and hollow round table structure
The conical camber of side matching, outer ring surface is the cylindrical curved surface matched with bore；Four are evenly distributed with annulus spreader cone
Also it is distributed with the telescopic chute section being made up of intensive telescopic chute, telescopic chute section and opens between the downward opening expansion joint of bar, expansion joint
Mouth is upward and downward opening telescopic chute is staggered distribution；Completed in step 5 after processing, first pass through annulus spreader cone upper surface
Hanger take out annulus spreader cone, further take out gear.
Preferably, tangentially oriented by the boss key completion gear being located between gear and pedestal after step 2.
After such scheme, the present invention possesses following advantage：
1. setting the space in yielding rubber swelling clamp body in clamp body, by absorption of vibrations when lathe and end mill and then it can reach
To the purpose of damping；
2. mounting circular ring spreader cone, gear, pad successively are only needed during Gear Processing and is locked by bolt, simple to operate, clamping
It is convenient；
3. using surrounding it is uniform Cutter coordinate system is built to knife face, to knife and school knife mistake when facilitating numerical control multi-shaft end mill processing
Journey, simplifies searching of the Gear Processing to knife point；
4. using the method for check bolt and socket yielding rubber ring, prevent processing vibration from causing bolt relaxation, meanwhile, filling
The precision and surface quality of gear are processed in the absorbable vibration of rubber so as to improve.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cross-sectional view of the present invention；
Fig. 3 is annulus spreader cone structural representation of the present invention；
Fig. 4 is annulus spreader cone top view of the present invention；
Fig. 5 is A-A cross-sectional views in Fig. 4.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
It is of the invention as shown in Figure 1-2 disclosed is a kind of fixture for gear multiaxis end mill processing
Preferred embodiment, fixture is by being fixed on the fixed core 1 of numerical control gear multiaxis end mill processing equipment stand and entangling the base of fixed core 1
Seat 2 is constituted, and yielding rubber 3 is covered between pedestal 2 and fixed core 1, to absorb the vibrations from process equipment stand.
During processing, gear 4 is socketed in the upper end of pedestal 2, can design the maximum outside diameter of pedestal 2 less than the external diameter of gear 4 so that base
Seat 2 forms inverted cone-shaped structure after being contacted with gear 4, reduce fixture space-consuming.Further, it is additionally provided between gear 4 and pedestal 2
Annulus spreader cone 5, to improve the clamping force between gear 4 and fixture and ensureing uniform force, the upper end of pedestal 2 is locked using two-way back taper
Tight mode, specifically, the upper end of pedestal 2 protrudes to form hollow round table structure 21, annulus spreader cone 5 is formed with hollow round table structure 21
It is interference fitted and makes the uniform force of gear 4 by way of mutual swelling.For ensure gear 4 be accurately positioned and to reduce its tangential
Slide, boss key 8 is also provided between gear 4 and pedestal 2, boss key 8 is in the outside of annulus extension cone 5, the keyway with gear 4
Match, fitted by boss key 8 with the keyway of gear 4 and complete the positioning of gear tangentially.
As shown in Figure 2-5, annulus spreader cone 5 is hollow out loop configuration, because annulus spreader cone 5 is arranged on gear 4 and base
Between seat 2, therefore design inner ring surface 51 is the conical camber matched sideways with hollow round table structure 21, and outer ring surface 52 is and gear
The cylindrical curved surface of endoporus matching.It is evenly distributed with annulus spreader cone 5 between four downward opening expansion joints 53, expansion joint 53 also
It is distributed with the telescopic chute section 55 being made up of intensive telescopic chute 54,55 inner openings of telescopic chute section are upward and downward opening telescopic chute
54 are staggered distribution.In clamping process, gear promotes the downward swelling of annulus spreader cone 5, during swelling, passes through telescopic chute
Section 55 can suitably expand the diameter of section of inner ring surface 51 and deepen the downward stroke of annulus spreader cone 5, expansion outer ring surface 52
Diameter of section, with inner hole preferably with gear, and then prevents Gear Processing process from loosening.Expansion joint 53 is then become by micro-
Shape enables the inner ring surface 51 of annulus spreader cone 5 is good to be fitted in hollow round table structure 21.The upper surface of annulus spreader cone 5 correspondence is stretched
53 positions of contracting seam set a hanger 56 respectively, and hanger is is inverted L-type, and the buckle of hanger 56 outwardly, passes through hanger 56 and hanger 56
Between telescopic chute 54, annulus spreader cone 5 can be proposed, be easy to operation.
As shown in Figure 1-2, a check bolt 6 is fixed on fixed core through pedestal 2 from top to bottom after passing through a check washer 7
On 1, gear 4 and annulus spreader cone 5 are compressed, it is to avoid loosened during Gear Processing.The middle part of check bolt 6 is cased with yielding rubber
Ring 61, further, can fill shock-absorption rubber sleeve 62 between check bolt 6 and pedestal 2, the two is set comes from fixed core 1 to absorb,
The vibrations of pedestal 2 may be passed to after check bolt 6.
The lower end outer surface of pedestal 2 is also evenly equipped with to knife face 9, specifically, being distributed in the lower section of pedestal 2 four to the positive axis of knife face 9
Face, the plane of reference is provided to knife face 9 for processing with orthogonal coordinate system O-XYZ foundation.
In use, as Figure 1-5, following the steps below：
Step 1：Fixed core 1 is fixed on numerical control gear multiaxis end mill processing equipment stand, a damping is arranged in the outside of fixed core 1
After rubber 3, then it is socketed a pedestal 2；
Step 2：An annulus spreader cone 5, annulus spreader cone 5 and the hollow round table structure 21 of the upper end of pedestal 2 are first arranged on the base 2
Interference fit and swelling gear 4 are formed, annulus spreader cone 5 is hollow out loop configuration, and inner ring surface 51 is and hollow round table structure 21
The conical camber of side matching, outer ring surface 52 is the cylindrical curved surface matched with the endoporus of gear 4；It is uniformly distributed on annulus spreader cone 5
There is the telescopic chute section 55 for being also distributed with and being made up of intensive telescopic chute 54 between four downward opening expansion joints 53, expansion joint 53,
55 inner openings of telescopic chute section are upward and downward opening telescopic chute 54 is staggered distribution；
Step 3：Gear 4 is socketed in the upper end of pedestal 2, gear 4 is completed by the boss key 8 being located between gear 4 and pedestal 2
It is tangentially oriented；The upper table cover of gear 4 sets a check washer 7, and check bolt 6 is fixed on into fixed core through pedestal 2 from top to bottom
1；
Step 4：Numerical control machining cutter passes through the lower end outer surface of pedestal 2 uniform X-axis and Y that Cutter coordinate system is determined to knife face 9
Axle, the Z axis of Cutter coordinate system is determined by being socketed in the top surface of the upper end gear 4 of pedestal 2, so that it is determined that Cutter coordinate system O-XYZ；
Step 5：Start numerical control multi-shaft end mill processing equipment, according to Cutter coordinate system O-XYZ and Gear Processing requirement, gear is entered
Row multiaxis end mill is finished；
Step 6：Processing is completed, the hanger 56 for first passing through the upper surface of annulus spreader cone 5 takes out annulus spreader cone 5, further takes out gear
4。
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Fixture can be used in processing general cycloid gear of the diameter of bore within 10-20mm, while being also applied for various fine module gears
Multi-axis Machining, therefore the change or modification that claim under this invention and specification are done in every case, should all belong to it is of the invention specially
Within the scope of profit covers.
Claims (9)
1. a kind of fixture for gear multiaxis end mill processing, it is characterised in that：Fixture is by fixed core and entangles the fixed core
Pedestal composition, yielding rubber is covered between the pedestal and the fixed core, pedestal lower end outer surface is evenly equipped with to knife face,
Gear is socketed in the pedestal upper end, and check bolt is fixed on the fixed core through the pedestal from top to bottom, described locking
Check washer is provided between bolt and the gear upper surface.
2. the fixture according to claim 1 for gear multiaxis end mill processing, it is characterised in that：The pedestal upper end is convex
Go out to be formed hollow round table structure, annulus spreader cone, the annulus spreader cone and institute are additionally provided between the gear and the pedestal
Hollow round table structure formation interference fit and gear described in swelling are stated, the annulus spreader cone is hollow out loop configuration, inner ring surface
For the conical camber matched with the hollow round table texture edge, outer ring surface is the cylindrical curved surface matched with bore；It is described
It is evenly distributed between four downward opening expansion joints, the expansion joint and is also distributed with by intensive telescopic chute on annulus spreader cone
The telescopic chute section of composition, telescopic chute section inner opening is upward and downward opening telescopic chute is staggered distribution.
3. the fixture according to claim 1 for gear multiaxis end mill processing, it is characterised in that：It is described to knife face positive axis
Distribution.
4. the fixture according to claim 1 for gear multiaxis end mill processing, it is characterised in that：In the check bolt
Portion is cased with yielding rubber ring.
5. the fixture according to claim 2 for gear multiaxis end mill processing, it is characterised in that：The annulus spreader cone
The upper surface correspondence expansion joint position sets a hanger respectively, and the hanger is is inverted L-type, and the buckle of the hanger is outwardly.
6. the fixture according to claim 2 for gear multiaxis end mill processing, it is characterised in that：The gear with it is described
Boss key is additionally provided between pedestal, the boss key is on the outside of annulus extension cone.
7. a kind of application method for gear multiaxis end mill processing fixture, it is characterised in that comprise the following steps：
Step 1：Fixed core is fixed on to the stand of numerical control gear multiaxis end mill processing equipment, a damping is arranged on the outside of fixed core
After rubber, then it is socketed a pedestal；
Step 2：Gear is socketed in pedestal upper end, the gear upper table cover sets a check washer, by check bolt on to
Under be fixed on the fixed core through the pedestal；
Step 3：Numerical control machining cutter by the uniform X-axis that Cutter coordinate system is determined to knife face in pedestal lower end outer surface with
Y-axis, the Z axis of Cutter coordinate system is determined by being socketed in the top surface of pedestal upper end gear, so that it is determined that Cutter coordinate system O-
XYZ；
Step 4：Start the numerical control gear multiaxis end mill processing equipment, according to Cutter coordinate system O-XYZ and Gear Processing requirement,
Multiaxis end mill finishing is carried out to the gear；
Step 5：Processing is completed, gear is taken out.
8. the application method according to claim 7 for gear multiaxis end mill processing fixture, it is characterised in that：The step
An annulus spreader cone, the annulus spreader cone and the hollow round table knot of the pedestal upper end are first arranged before rapid 2 on the pedestal
Be configured to interference fit and gear described in swelling, the annulus spreader cone be hollow out loop configuration, inner ring surface be with it is described hollow
The conical camber of frustum cone structure side matching, outer ring surface is the cylindrical curved surface matched with bore；On the annulus spreader cone
It is evenly distributed between four downward opening expansion joints, the expansion joint and the telescopic chute being made up of intensive telescopic chute is also distributed with
Section, telescopic chute section inner opening is upward and downward opening telescopic chute is staggered distribution；Processing is completed in the step 5
Afterwards, the hanger for first passing through the annulus spreader cone upper surface takes out annulus spreader cone, further takes out gear.
9. the application method according to claim 7 for gear multiaxis end mill processing fixture, it is characterised in that：The step
It is tangentially oriented by the boss key completion gear being located between the gear and the pedestal after rapid 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456375.2A CN107081489A (en) | 2017-06-16 | 2017-06-16 | Fixture and its application method for gear multiaxis end mill processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456375.2A CN107081489A (en) | 2017-06-16 | 2017-06-16 | Fixture and its application method for gear multiaxis end mill processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107081489A true CN107081489A (en) | 2017-08-22 |
Family
ID=59606315
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456375.2A Withdrawn CN107081489A (en) | 2017-06-16 | 2017-06-16 | Fixture and its application method for gear multiaxis end mill processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN107081489A (en) |
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| CN202861553U (en) * | 2012-09-06 | 2013-04-10 | 江麓机电集团有限公司 | Inflatable gear grinding clamp |
| CN203610795U (en) * | 2013-12-30 | 2014-05-28 | 重庆机床(集团)有限责任公司 | Spline major diameter centring hobbing jig |
| CN103894879A (en) * | 2014-04-10 | 2014-07-02 | 江苏师范大学 | Comprehensive numerical-control slope tool aligning device |
| CN203856863U (en) * | 2014-05-07 | 2014-10-01 | 奇瑞汽车股份有限公司 | Shock absorption and looseness prevention limit bolt |
| CN205205483U (en) * | 2015-12-11 | 2016-05-04 | 洗福莱网络科技（上海）有限公司 | Full -automatic computer washing and dehydrating machine's economic benefits and social benefits shock mitigation system |
| CN205315434U (en) * | 2016-01-23 | 2016-06-15 | 浙江明泰标准件有限公司 | Novel self tapping anticreep bolt |
| DE102015001422A1 (en) * | 2015-02-06 | 2016-08-11 | Schlenker Spannwerkzeuge Inge & Josef Meißner GmbH & Co. KG | Flexible guide bush |
| CN206794950U (en) * | 2017-06-16 | 2017-12-26 | 厦门理工学院 | Fixture for gear multiaxis end mill processing |
-
2017
- 2017-06-16 CN CN201710456375.2A patent/CN107081489A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734749A (en) * | 1956-02-14 | Multiple sleeve expandable mandrel | ||
| DE202011051001U1 (en) * | 2011-08-16 | 2012-08-21 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Clamping element for a clamping device |
| CN202861553U (en) * | 2012-09-06 | 2013-04-10 | 江麓机电集团有限公司 | Inflatable gear grinding clamp |
| CN203610795U (en) * | 2013-12-30 | 2014-05-28 | 重庆机床(集团)有限责任公司 | Spline major diameter centring hobbing jig |
| CN103894879A (en) * | 2014-04-10 | 2014-07-02 | 江苏师范大学 | Comprehensive numerical-control slope tool aligning device |
| CN203856863U (en) * | 2014-05-07 | 2014-10-01 | 奇瑞汽车股份有限公司 | Shock absorption and looseness prevention limit bolt |
| DE102015001422A1 (en) * | 2015-02-06 | 2016-08-11 | Schlenker Spannwerkzeuge Inge & Josef Meißner GmbH & Co. KG | Flexible guide bush |
| CN205205483U (en) * | 2015-12-11 | 2016-05-04 | 洗福莱网络科技（上海）有限公司 | Full -automatic computer washing and dehydrating machine's economic benefits and social benefits shock mitigation system |
| CN205315434U (en) * | 2016-01-23 | 2016-06-15 | 浙江明泰标准件有限公司 | Novel self tapping anticreep bolt |
| CN206794950U (en) * | 2017-06-16 | 2017-12-26 | 厦门理工学院 | Fixture for gear multiaxis end mill processing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170822 |
|
| WW01 | Invention patent application withdrawn after publication |