CN102922313B - Rotary milling fixture device for machining guide vane of air compressor - Google Patents
Rotary milling fixture device for machining guide vane of air compressor Download PDFInfo
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- CN102922313B CN102922313B CN201210408780.4A CN201210408780A CN102922313B CN 102922313 B CN102922313 B CN 102922313B CN 201210408780 A CN201210408780 A CN 201210408780A CN 102922313 B CN102922313 B CN 102922313B
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Abstract
The invention provides a rotary milling fixture device for machining a guide vane of an air compressor, which can be used to solve the problems of poor generality, poor vane machining rigidity and machining size instability existing in the traditional guide vane clamping mechanism. The rotary milling fixture device is characterized by comprising a big-head-end three-jaw chuck and a small-head-end three-jaw chuck, wherein the big-head-end three-jaw chuck is connected with a main driving disk of a machine tool by a first transition disk, the small-head-head three-jaw chuck is connected with a tip of the machine tool by a second transition disk, a big head end and a small head end of the guide vane to be machined are respectively positioned and clamped by the big-head-end three-jaw chuck and the-small head-end three-jaw chuck, and a small head end part of the guide vane to be processed is tightly jacked up by the tip of the machine tool.
Description
Technical field
The present invention relates to the processing technique field of combustion engine compressor guide vane, particularly relate to the frock technical field of employing four axle or five axles revolution milling machine tool processing combustion engine compressor guide vane, be specially the rotary milling fixture device for the processing of compressor guide vane.
Background technology
The usual two ends of combustion engine compressor guide vane are designed to the face of cylinder or taper seat, middle part is blade profile, because blade profile is Irregular Boundary Surface, thus the processing of blade profile adopts four axles or five axles revolution milling machine tool to carry out usually, and this just needs turned round on milling machine tool by guide vane clamping as location clamping benchmark using the face of cylinder at guide vane two ends or taper seat by fixture.Existing clamping mechanism, the face of cylinder or the taper seat V-type positioning and clamping mechanism of guide vane stub end are fixed on lathe, the top location that little head end adopts lathe to carry holds out against, its shortcoming is: the V-type detent mechanism of blade stub end need according to the face of cylinder of blade stub end or taper seat size special, cost is high, and its poor universality, the guide vane processing for different model size needs to configure different V-type detent mechanisms; In addition, the top location that its little head end is directly carried by lathe holds out against, the V-type detent mechanism of stub end is only relied on to be connected with the main driving-disc of lathe, belong to single rotating band moving vane revolution Milling Machining, along with the continuous change of length of blade size is large, the processing poor rigidity of blade, causes blade processing size unstable.
Summary of the invention
For the problems referred to above, the invention provides the rotary milling fixture device for the processing of compressor guide vane, it can solve the problem of poor universality, blade processing poor rigidity and the processing dimension instability that existing guide vane clamping mechanism exists.
Its technical scheme is such, it is characterized in that: it comprises stub end scroll chuck and little head end scroll chuck, described stub end scroll chuck is connected by the main driving-disc of First Transition dish and lathe, described little head end scroll chuck is connected with lathe is top by the second transition disc, the stub end of guide vane to be processed and little head end locate clamping by described stub end scroll chuck, described little head end scroll chuck respectively, and the little cephalic par of described guide vane to be processed holds out against by described lathe is top.
It is further characterized in that:
The blade connecting end surface of described stub end scroll chuck is provided with blade circumference alignment pin and sharf to alignment pin;
The scroll chuck connecting end surface of described First Transition dish is also provided with the first chuck circumference alignment pin;
Described lathe is top holds out against the little cephalic par of described guide vane to be processed through after described second transition disc;
The scroll chuck connecting end surface of described second transition disc is provided with the second chuck circumference alignment pin.
It is further characterised in that:
The periphery, both ends of described guide vane to be processed is separately installed with snap ring, and described guide vane to be processed clamps respectively by described snap ring by described stub end scroll chuck, little head end scroll chuck;
The outer peripheral face of described snap ring is the face of cylinder;
The inner peripheral surface of described snap ring is the inner cylinder face or inner conical surface that match with guide vane two terminal circle cylinder to be processed or taper seat.
Compared with existing clamping mechanism, beneficial effect of the present invention is: the two ends of guide vane to be processed are respectively by standardized element scroll chuck clamping and positioning, scroll chuck is connected with lathe by transition disc, and thus its versatility is high, can meet the revolution Milling Machining of the guide vane of different size requirement; And blade two ends can load on the revolution lathe with double driving mechanism dish and process, thus considerably increase the processing rigidity of blade, ensure that the stability of processing dimension, and effectively can improve working (machining) efficiency after all adopting standardized element scroll chuck to clamp; And rotary freedom, the freedom of axial movement when the blade circumference alignment pin that the blade connecting end surface of stub end scroll chuck is arranged and sharf can limit guide vane clamping to be processed respectively to alignment pin, two chuck circumference alignment pins play the effect of rotary freedom when the corresponding scroll chuck of restriction is connected with transition disc respectively, ensure that guide vane clamping precision, ensure processing stability further; Because guide vane two terminal circle cylinder or taper seat are assembling position, its surface roughness requirements is higher, thus first in periphery, guide vane both ends, snap ring is installed when clamping, and then with the clamping of scroll chuck location, when snap ring can effectively prevent scroll chuck from clamping, weigh guide vane two terminal circle cylinder or taper seat wounded; This, when guide vane two ends to be processed are taper seat, because the inner peripheral surface of snap ring and guide vane two ends to be processed outer conical surface match, thus taper seat location can be changed into location, the face of cylinder, not only increase positioning precision, and the such standardized element of scroll chuck can be used to position clamping, reduce frock cost.
Accompanying drawing explanation
Fig. 1 is the structural representation adopting apparatus of the present invention positioning and clamping guide vane.
Detailed description of the invention
See Fig. 1, apparatus of the present invention comprise stub end scroll chuck 1 and little head end scroll chuck 2, stub end scroll chuck 1 is connected by the main driving-disc of First Transition dish 3 and lathe, little head end scroll chuck 2 is connected with lathe top 6 by the second transition disc 4, the stub end of guide vane 5 to be processed and little head end locate clamping by stub end scroll chuck 1, little head end scroll chuck 2 respectively, and the little cephalic par of guide vane to be processed 5 is held out against by lathe top 6.The blade connecting end surface of stub end scroll chuck 1 is provided with blade circumference alignment pin 7 and sharf to alignment pin 8; The scroll chuck connecting end surface of First Transition dish 3 is also provided with the first chuck circumference alignment pin 9; Lathe top 6 holds out against the little cephalic par of guide vane 5 to be processed through after the second transition disc 4; The scroll chuck connecting end surface of the second transition disc 4 is provided with the second chuck circumference alignment pin 10.The periphery, both ends of guide vane 5 to be processed is separately installed with snap ring 11,12, and guide vane 5 to be processed clamps respectively by snap ring 11,12 by stub end scroll chuck 1, little head end scroll chuck 2; The outer peripheral face of snap ring 11,12 is the face of cylinder, and the inner peripheral surface of snap ring 11,12 is the inner cylinder face or internal conical surface that match with the guide vane two terminal circle conical surface to be processed.
Claims (4)
1. for the rotary milling fixture device of compressor guide vane processing, it is characterized in that: it comprises stub end scroll chuck and little head end scroll chuck, described stub end scroll chuck is connected by the main driving-disc of First Transition dish and lathe, described little head end scroll chuck is connected with lathe is top by the second transition disc, the stub end of guide vane to be processed and little head end locate clamping by described stub end scroll chuck, described little head end scroll chuck respectively, and the little cephalic par of described guide vane to be processed holds out against by described lathe is top; The blade connecting end surface of described stub end scroll chuck is provided with blade circumference alignment pin and sharf to alignment pin; The scroll chuck connecting end surface of described First Transition dish is also provided with the first chuck circumference alignment pin; The scroll chuck connecting end surface of described second transition disc is provided with the second chuck circumference alignment pin; The periphery, both ends of described guide vane to be processed is separately installed with snap ring, and described guide vane to be processed clamps respectively by described snap ring by described stub end scroll chuck, little head end scroll chuck.
2. the rotary milling fixture device for the processing of compressor guide vane according to claim 1, is characterized in that: described lathe is top holds out against the little cephalic par of described guide vane to be processed through after described second transition disc.
3. the rotary milling fixture device for the processing of compressor guide vane according to claim 1, is characterized in that: the outer peripheral face of described snap ring is the face of cylinder.
4. the rotary milling fixture device for the processing of compressor guide vane according to claim 3, is characterized in that: the inner peripheral surface of described snap ring is the inner cylinder face or inner conical surface that match with guide vane two terminal circle cylinder to be processed or taper seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408780.4A CN102922313B (en) | 2012-10-24 | 2012-10-24 | Rotary milling fixture device for machining guide vane of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408780.4A CN102922313B (en) | 2012-10-24 | 2012-10-24 | Rotary milling fixture device for machining guide vane of air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922313A CN102922313A (en) | 2013-02-13 |
| CN102922313B true CN102922313B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210408780.4A Active CN102922313B (en) | 2012-10-24 | 2012-10-24 | Rotary milling fixture device for machining guide vane of air compressor |
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Families Citing this family (7)
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| CN103406780B (en) * | 2013-05-28 | 2016-06-15 | 沈阳黎明航空发动机(集团)有限责任公司 | The two listrium class blade profile fixture of a kind of blade digital control milling |
| CN104759804A (en) * | 2014-10-09 | 2015-07-08 | 镇江四联机电科技有限公司 | Multifunctional rotor centering device |
| CN105817918B (en) * | 2016-04-11 | 2017-11-07 | 西北工业大学明德学院 | A kind of precision machined special positioning fixture of blade digital control |
| CN106513801B (en) * | 2016-12-28 | 2018-05-01 | 无锡透平叶片有限公司 | Fixture for compressor blade type face revolution Milling Machining |
| CN108237408B (en) * | 2017-03-30 | 2024-03-26 | 新兴重工湖北三六一一机械有限公司 | Rotary machining center fixture |
| CN108747485B (en) * | 2018-06-30 | 2020-10-23 | 江南大学 | Transition disc for rotary workbench of numerical control machine tool |
| CN116140679B (en) * | 2022-12-19 | 2023-09-22 | 中模智造科技江苏有限公司 | Rotary clamp for blade machining |
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| CN102922313A (en) | 2013-02-13 |
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Inventor after: Zou Weiping Inventor after: Kuang Yiqiang Inventor after: Feng Kendan Inventor after: Zhang Yueda Inventor before: Zou Weiping |
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