CN103433698B - Oblique oil hole of end cover of turbocharger processing method and fixture - Google Patents
Oblique oil hole of end cover of turbocharger processing method and fixture Download PDFInfo
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- CN103433698B CN103433698B CN201310346655.XA CN201310346655A CN103433698B CN 103433698 B CN103433698 B CN 103433698B CN 201310346655 A CN201310346655 A CN 201310346655A CN 103433698 B CN103433698 B CN 103433698B
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- turbocharger
- end cap
- hole
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Abstract
A kind of oblique oil hole of end cover of turbocharger clamp for machining, the base comprise large base, being fixedly connected with large base, positioning core axle, and the locating piece be fixedly connected with base.Oblique oil hole of end cover of turbocharger clamp for machining structure of the present invention is simple, registration, the accuracy of manufacture are higher, thus indirectly ensure that the crudy of turbocharger end cap inclined hole, solving inclined oil hole of air is that space oilhole difficulty is measured, the difficult technical problem controlling its location dimension and positioning precision.
Description
Technical field
The present invention relates to a kind of processing method of oblique oil hole of end cover of turbocharger and process the special fixture of this inclined oil hole of air.
Background technology
Turbocharger is mounted in the parts that run up on diesel engine, and wherein turbocharger end cap is the strength member ensureing bearing lubrication, normal operation; The positioning precision of end cap inclined oil hole of air and position degree require higher, and end cap inclined oil hole of air is space inclined hole, and each location dimension inconvenience is measured and controls, and its machinability is poor.At present, end cap inclined oil hole of air is processed by five-axis machining center, and its positional precision is ensured by machine tool program, and machinability is poor.Five-axis machining center adds man-hour, all needs centering at every turn, time is longer, operates more loaded down with trivial details; Due to repeated clamping, centering, produce clamping and correct error, the therefore more difficult control of crudy; Hole in inclined-plane, drill bit easily bores partially, so the bad control of crudy.In addition, because five-axis machining center cost is high, system is huge, and operating cost is higher, adopts five-axis machining center processing end cap inclined oil hole of air, causes Product processing cost high.
Summary of the invention
In order to solve in prior art, adopt five-axis machining center processing end cap inclined oil hole of air, crudy is difficult to control, the poor and technical problem that processing cost is high of machinability, the object of this invention is to provide a kind of processing method of oblique oil hole of end cover of turbocharger and process the special fixture of this inclined oil hole of air, adopt this special fixture well can locate end cap, meet the requirement of positioning precision and position degree; Adopt this processing method can be processed by common driller, substantially increase the machinability of end cap inclined oil hole of air, reduce part processing cost.
To achieve these goals, present invention employs following technical scheme: a kind of oblique oil hole of end cover of turbocharger clamp for machining, the base comprise large base, being fixedly connected with large base, positioning core axle, and the locating piece be fixedly connected with base.
Preferably, described base comprises the riser, installing plate and the connecting plate that are fixedly connected with, described installing plate is provided with installing hole I, and locating piece is fixedly connected with on a mounting board, and riser is located by alignment pin and is fixedly connected with large base by bolt.
Preferably, described positioning core axle comprises location-plate and end, location-plate is provided with installing hole III, and turbocharger end cap, through installing hole I, is fixed on a mounting board by back-up ring and nut by positioning core axle.
Preferably, described large base comprises the base plate, riser and the stiffener that are fixedly connected with, and described riser is provided with installing hole II for being connected with base and locating hole.
Preferably, described locating piece is provided with pilot hole, arranges fixing drill bushing in it.
Utilize above-mentioned oblique oil hole of end cover of turbocharger clamp for machining to carry out a method for inclined oil hole of air processing, comprise the following steps:
Step 1. is rough turn, the small end of finish turning turbocharger end cap and endoporus;
Step 2. is rough turn, the other end of finish turning turbocharger end cap and cylindrical;
Step 3. stroke sharp processing line;
Step 4. is rough milled, the inclined-plane of finish-milling turbocharger end cap and flat face;
Step 5. centering straight line, centering cylindrical, be fixed on common driller with above-mentioned oblique oil hole of end cover of turbocharger clamp for machining by turbocharger end cap;
Step 6. common driller bores inclined oil hole of air and thread Pilot hole, unthreaded hole;
Step 7. attacks screw, deburring;
Step 8. comprehensive test.
The invention has the beneficial effects as follows:
1, oblique oil hole of end cover of turbocharger clamp for machining structure of the present invention is simple, registration, the accuracy of manufacture are higher, thus indirectly ensure that the crudy of turbocharger end cap inclined hole, solving inclined oil hole of air is that space oilhole difficulty is measured, the difficult technical problem controlling its location dimension and positioning precision;
2, locating piece be set to drill bit guiding and the accurate location of turbocharger end cap provides guarantee, have drill bushing to protect drill bit during boring, the technical problem that when avoiding boring, bit drills is inclined;
3, adopt this fixture that the processing of inclined oil hole of air can be made no longer to rely on five-axis machining center, can processing be completed by common driller, substantially increase the machinability of turbocharger end cap;
4, five-axis machining center cost is high, and system is huge, and operating cost is higher, and common driller is cheap, and system is simple, and operating cost is lower, by the conversion of machining tool, thus greatly reduces the processing cost of turbocharger end cap;
5, oblique oil hole of end cover of turbocharger processing technology of the present invention decreases three process than traditional diamond-making technique: namely drilling machine bores thread Pilot hole and unthreaded hole; Dowel hole made by accurate jig borer; Drilling machine counterboring dowel hole; The minimizing of operation shortens the production cycle of part, improves productivity ratio.
Accompanying drawing explanation
Fig. 1 is the structural representation of oblique oil hole of end cover of turbocharger clamp for machining of the present invention;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the structural representation of large base;
Fig. 4 is the B direction view of Fig. 3;
Fig. 5 is the structural representation of base;
Fig. 6 is the C direction view of Fig. 5;
Fig. 7 is the mounting structure figure of locating piece;
Fig. 8 is the D direction view of Fig. 7;
Fig. 9 is the structural representation of positioning core axle;
Figure 10 is the structure chart of turbocharger end cap;
Figure 11 is the E-E direction view of Figure 10.
Reference numeral
3. back-up ring; 4. base; 4a. riser; 4b installing plate; 4c. connecting plate; 4d. installing hole I; 5. locating piece; 5a. pilot hole; 6. positioning core axle; 6a. location-plate; 6b. end; 6c. installing hole III; 7. nut; 8. bolt; 10. large base; 10a. base plate; 10b. riser; 10c. stiffener; 10d. installing hole II; 10e. locating hole; 12. alignment pins; 13. end caps; 13a. flat face
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in further detail.
Fig. 1 is the structural representation of oblique oil hole of end cover of turbocharger clamp for machining of the present invention, Fig. 2 is the A direction view of Fig. 1, as depicted in figs. 1 and 2, oblique oil hole of end cover of turbocharger clamp for machining of the present invention, comprise large base 10, the base 4 be fixedly connected with large base 10, positioning core axle 6, and the locating piece 5 be fixedly connected with base 4.
As shown in Figure 5 and Figure 6, described base 4 comprises the riser 4a, installing plate 4b and the connecting plate 4c that are fixedly connected with, described installing plate 4b is provided with installing hole I 4d, locating piece 5 is fixedly connected on installing plate 4b, and riser 4a is located by alignment pin 12 and is fixedly connected with large base 10 by bolt 8.The relative position that alignment pin 12 is used for fixing between large base 10 and riser 4a is constant, and after ensureing each dismounting, large base 10 can return to original position completely with riser 4a.
As shown in Figure 9, positioning core axle 6 comprises location-plate 6a and end 6b, location-plate 6a is provided with installing hole III 6c, as shown in Figure 1, during installation, described positioning core axle 6 is bolted on the installing plate 4b of base 4 through installing hole 4d, location-plate 6a, and turbocharger end cap is fixed on installing plate 4b by back-up ring 3 and nut 7 by positioning core axle 6.
As shown in Figure 3 and Figure 4, described large base 10 comprises the base plate 10a, riser 10b and the stiffener 10c that are fixedly connected with, and described riser 10b is provided with installing hole II 10d for being connected with base 4 and locating hole 10e.
As shown in Figure 7 and Figure 8, locating piece 5 is provided with pilot hole 5a, is provided with fixing drill bushing in it; drill bushing is cylindrical, and inside and outside circle cylinder concentricity is 0.005 millimeter, and precision is high; good rigidly; hardness is high, wear-resisting, and its effect guides apex point to the trip-out position of inclined oil hole of air; and ensure that drill bit path is on request crept into; for drill bit guiding and accurate location, there is fixing drill bushing to protect drill bit during boring, solve the problem that bit drills is inclined.
Present invention also offers and a kind ofly utilize above-mentioned oblique oil hole of end cover of turbocharger clamp for machining to carry out the method for inclined oil hole of air processing, comprise the following steps:
Step 1. is rough turn, the small end of finish turning turbocharger end cap and endoporus;
Step 2. is rough turn, the other end of finish turning turbocharger end cap and cylindrical;
Step 3. stroke sharp processing line;
Step 4. is rough milled, the inclined-plane of finish-milling turbocharger end cap and flat face 13a;
Step 5. centering straight line, centering cylindrical, be fixed on common driller with above-mentioned oblique oil hole of end cover of turbocharger clamp for machining by turbocharger end cap;
Step 6. common driller bores inclined oil hole of air and thread Pilot hole, unthreaded hole;
Step 7. attacks screw, deburring;
Step 8. comprehensive test.
In sum, oblique oil hole of end cover of turbocharger Special Fixture for Machining of the present invention well can be located end cap, meets the requirement of positioning precision and position degree; Adopt processing method of the present invention can be processed by common driller, substantially increase the machinability of end cap inclined oil hole of air, reduce part processing cost.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a processing method for turbocharger end cap, is characterized in that, comprises the following steps:
Step 1. is rough turn, the small end of finish turning turbocharger end cap and endoporus;
Step 2. is rough turn, the other end of finish turning turbocharger end cap and cylindrical;
Step 3. stroke sharp processing line;
Step 4. is rough milled, the inclined-plane of finish-milling turbocharger end cap and flat face;
Step 5. centering straight line, centering cylindrical, be fixed on common driller with oblique oil hole of end cover of turbocharger clamp for machining by turbocharger end cap;
Step 6. common driller bores inclined oil hole of air and thread Pilot hole, unthreaded hole;
Step 7. attacks screw, deburring;
Step 8. comprehensive test.
2. the processing method of turbocharger end cap according to claim 1, it is characterized in that, the base (4) that described oblique oil hole of end cover of turbocharger clamp for machining comprises large base (10), is fixedly connected with large base (10), positioning core axle (6), and the locating piece (5) be fixedly connected with base (4).
3. the processing method of turbocharger end cap according to claim 2, it is characterized in that, described base (4) comprises the riser (4a), installing plate (4b) and the connecting plate (4c) that are fixedly connected with, described installing plate (4b) is provided with installing hole I (4d), locating piece (5) is fixedly connected on installing plate (4b); Riser (4a) is located by alignment pin (12) and is passed through bolt (8) and is fixedly connected with large base (10).
4. the processing method of turbocharger end cap according to claim 2, it is characterized in that, described positioning core axle (6) comprises location-plate (6a) and end (6b), location-plate (6a) is provided with installing hole III (6c), turbocharger end cap (13), through installing hole I (4d), is fixed on installing plate (4b) by back-up ring (3) and nut (7) by positioning core axle (6).
5. the processing method of turbocharger end cap according to claim 2, it is characterized in that, described large base (10) comprises the base plate (10a), riser (10b) and the stiffener (10c) that are fixedly connected with, and described riser (10b) is provided with installing hole II (10d) for being connected with base (4) and locating hole (10e).
6. the processing method of turbocharger end cap according to claim 2, is characterized in that, described locating piece (5) is provided with pilot hole (5a), is provided with fixing drill bushing in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310346655.XA CN103433698B (en) | 2013-08-09 | 2013-08-09 | Oblique oil hole of end cover of turbocharger processing method and fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310346655.XA CN103433698B (en) | 2013-08-09 | 2013-08-09 | Oblique oil hole of end cover of turbocharger processing method and fixture |
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| Publication Number | Publication Date |
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| CN103433698A CN103433698A (en) | 2013-12-11 |
| CN103433698B true CN103433698B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310346655.XA Active CN103433698B (en) | 2013-08-09 | 2013-08-09 | Oblique oil hole of end cover of turbocharger processing method and fixture |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128817B (en) * | 2014-07-30 | 2016-09-07 | 梧州市旺捷机械制造有限公司 | Connect seat drill jig |
| CN108067832A (en) * | 2016-11-18 | 2018-05-25 | 凤城太平洋神龙增压器有限公司 | A kind of hole forming method of turbocharger middle body |
| CN108526821B (en) * | 2018-04-03 | 2024-03-22 | 江苏真鹿科技有限公司 | Method for processing engine oil pump body of internal combustion engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021194A (en) * | 2007-03-16 | 2007-08-22 | 辽宁承业汽车零部件制造有限公司 | Starting machine front end cover and manufacturing technology thereof |
| CN201357249Y (en) * | 2008-09-10 | 2009-12-09 | 潍坊潍柴零部件机械有限公司 | Inclined-hole jig |
| CN201405097Y (en) * | 2009-03-01 | 2010-02-17 | 溧阳市科华机械制造有限公司 | Drilling jig for drilling oblique oil hole in intermediate body oil inlet |
| DE102008062882A1 (en) * | 2008-12-15 | 2010-06-17 | Christoph Dangel | Method for producing inclined holes in work piece or for cutting inclined surfaces of work piece, involves determining piercing and/or starting point for boring and/or cutting of work piece from geometric or trigonometric ratios to point |
| CN102000855A (en) * | 2010-11-12 | 2011-04-06 | 无锡明珠增压器制造有限公司 | Die drilling clamp of two inclined connecting holes of middle shell |
| CN202763140U (en) * | 2012-09-13 | 2013-03-06 | 潍坊润搏机械有限公司 | Dedicated drilling jig for inclined hole of supporting shaft of C4 outer hub |
-
2013
- 2013-08-09 CN CN201310346655.XA patent/CN103433698B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021194A (en) * | 2007-03-16 | 2007-08-22 | 辽宁承业汽车零部件制造有限公司 | Starting machine front end cover and manufacturing technology thereof |
| CN201357249Y (en) * | 2008-09-10 | 2009-12-09 | 潍坊潍柴零部件机械有限公司 | Inclined-hole jig |
| DE102008062882A1 (en) * | 2008-12-15 | 2010-06-17 | Christoph Dangel | Method for producing inclined holes in work piece or for cutting inclined surfaces of work piece, involves determining piercing and/or starting point for boring and/or cutting of work piece from geometric or trigonometric ratios to point |
| CN201405097Y (en) * | 2009-03-01 | 2010-02-17 | 溧阳市科华机械制造有限公司 | Drilling jig for drilling oblique oil hole in intermediate body oil inlet |
| CN102000855A (en) * | 2010-11-12 | 2011-04-06 | 无锡明珠增压器制造有限公司 | Die drilling clamp of two inclined connecting holes of middle shell |
| CN202763140U (en) * | 2012-09-13 | 2013-03-06 | 潍坊润搏机械有限公司 | Dedicated drilling jig for inclined hole of supporting shaft of C4 outer hub |
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| CN103433698A (en) | 2013-12-11 |
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