CN103433698A - Method and fixture for processing oblique oil hole of end cover of turbocharger - Google Patents
Method and fixture for processing oblique oil hole of end cover of turbocharger Download PDFInfo
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- CN103433698A CN103433698A CN201310346655XA CN201310346655A CN103433698A CN 103433698 A CN103433698 A CN 103433698A CN 201310346655X A CN201310346655X A CN 201310346655XA CN 201310346655 A CN201310346655 A CN 201310346655A CN 103433698 A CN103433698 A CN 103433698A
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- end cap
- turbocharger
- oil hole
- hole
- inclined oil
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Abstract
The invention relates to a fixture for processing an oblique oil hole of an end cover of a turbocharger. The fixture comprises a big base, a base fixedly connected with the big base, a locating core shaft, and a locating block fixedly connected with the base. The fixture for processing the oblique oil hole of the end cover of the turbocharger is simple in structure, accurate in locating, and higher in manufacturing accuracy, so that the processing quality of the oblique oil hole of the end cover of the turbocharger is indirectly ensured, and the technical problems that the oblique oil hole is a spatial oil hole so as to be difficult to measure, and the locating size and the locating accuracy are difficult to control are solved.
Description
Technical field
The present invention relates to a kind of processing method of turbocharger end cap inclined oil hole of air and the special fixture of processing this inclined oil hole of air.
Background technology
Turbocharger is mounted in the parts that run up on diesel engine, and wherein the turbocharger end cap is the strength member that guarantees bearing lubrication, normal operation; Positioning precision and the position degree of end cap inclined oil hole of air are had relatively high expectations, and the end cap inclined oil hole of air is space inclined hole, and each location dimension inconvenience is measured and controlled, and its machinability is poor.At present, the end cap inclined oil hole of air is processed by five-axis machining center, and its positional precision guarantees by machine tool program, and machinability is poor.Add man-hour on five-axis machining center, all need centering at every turn, time is longer, operates more loaded down with trivial details; Due to repeated clamping, centering, produce clamping and correct error, so the more difficult control of crudy; On inclined-plane, hole, drill bit easily bores partially, so the bad control of crudy.In addition, because the 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 the 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 the technical problem of controlling, machinability is poor and processing cost is high, the purpose of this invention is to provide a kind of processing method of turbocharger end cap inclined oil hole of air and the special fixture of processing this inclined oil hole of air, adopt this special fixture well to locate end cap, meet the requirement of positioning precision and position degree; Adopt this processing method to be processed by common driller, greatly improved the machinability of end cap inclined oil hole of air, reduced the part processing cost.
To achieve these goals, the present invention has adopted following technical scheme: a kind of turbocharger end cap inclined oil hole of air clamp for machining comprises large base, the base be fixedly connected with large base, positioning core axle, and the locating piece be fixedly connected with base.
Preferably, described base comprises riser, installing plate and the connecting plate be fixedly connected with, and is provided with the installing hole I on described installing plate, and locating piece is fixedly connected on installing plate, riser by alignment pin, locate and by bolt with large base, be fixedly connected with.
Preferably, described positioning core axle comprises location-plate and end, is provided with the installing hole III on location-plate, and positioning core axle, through the installing hole I, is fixed on the turbocharger end cap on installing plate by back-up ring and nut.
Preferably, described large base comprises base plate, riser and the stiffener be fixedly connected with, and described riser is provided with installing hole II and the locating hole for being connected with base.
Preferably, described locating piece is provided with pilot hole, and fixedly drill bushing is set in it.
A kind of method of utilizing above-mentioned turbocharger end cap inclined oil hole of air clamp for machining to carry out inclined oil hole of air processing comprises the following steps:
Step 2. is rough turn, the other end and the cylindrical of finish turning turbocharger end cap;
Step 3. stroke sharp processing line;
Step 4. is rough milled, the inclined-plane of finish-milling turbocharger end cap and flat face;
Step 6. is bored inclined oil hole of air and thread Pilot hole, unthreaded hole with common driller;
Step 7. is attacked screw, deburring;
The invention has the beneficial effects as follows:
1, simple in structure, the registration of turbocharger end cap inclined oil hole of air clamp for machining of the present invention, the accuracy of manufacture are higher, thereby indirectly guaranteed the crudy of turbocharger end cap inclined hole, having solved inclined oil hole of air is the difficult measurement of space oilhole, the difficult technical problem of controlling its location dimension and positioning precision;
2, the accurate location that is set to drill bit guiding and turbocharger end cap of locating piece provides guarantee, drill bushing protection drill bit is arranged, the inclined to one side technical problem of bit drills while having avoided boring during boring;
3, adopt this fixture can make the processing of inclined oil hole of air no longer rely on five-axis machining center, by common driller, can complete processing, greatly improved the machinability of turbocharger end cap;
4, the 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, thereby greatly reduces the processing cost of turbocharger end cap;
5, turbocharger end cap inclined oil hole of air processing technology of the present invention has reduced three process than traditional diamond-making technique: i.e. drilling machine auger shell line bottom outlet and unthreaded hole; Accurate jig borer is made dowel hole; Drilling machine counterboring dowel hole; The production cycle of part has been shortened in the minimizing of operation, has improved productivity ratio.
The accompanying drawing explanation
The structural representation that Fig. 1 is turbocharger end cap inclined oil hole of air clamp for machining of the present invention;
The A that Fig. 2 is Fig. 1 is to view;
The structural representation that Fig. 3 is large base;
The B that Fig. 4 is Fig. 3 is to view;
The structural representation that Fig. 5 is base;
The C that Fig. 6 is Fig. 5 is to view;
The mounting structure figure that Fig. 7 is locating piece;
The D that Fig. 8 is Fig. 7 is to view;
The structural representation that Fig. 9 is positioning core axle;
The structure chart that Figure 10 is the turbocharger end cap;
The E-E that Figure 11 is Figure 10 is to view.
Reference numeral
3. back-up ring; 4. base; 4a. riser; The 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 pin; 13. end cap; 13a. flat face
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in further detail.
The structural representation that Fig. 1 is turbocharger end cap inclined oil hole of air clamp for machining of the present invention, the A that Fig. 2 is Fig. 1 is to view, as depicted in figs. 1 and 2, turbocharger end cap inclined oil hole of air clamp for machining of the present invention, comprise large base 10, with the base 4 that large base 10 is fixedly connected with, 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 riser 4a, installing plate 4b and the connecting plate 4c be fixedly connected with, be provided with installing hole I 4d on described installing plate 4b, it is upper that locating piece 5 is fixedly connected on installing plate 4b, riser 4a by alignment pin 12 location and by bolt 8 with large base 10, be fixedly connected with.The relative position that alignment pin 12 is used for fixing between large base 10 and riser 4a is constant, and after guaranteeing each dismounting, large base 10 can return to original position fully with riser 4a.
As shown in Figure 9, positioning core axle 6 comprises location-plate 6a and end 6b, be provided with installing hole III 6c on location-plate 6a, as shown in Figure 1, during installation, described positioning core axle 6 is through installing hole 4d, and location-plate 6a is bolted on the installing plate 4b of base 4, and positioning core axle 6 is fixed on the turbocharger end cap on installing plate 4b by back-up ring 3 and nut 7.
As shown in Figure 3 and Figure 4, described large base 10 comprises base plate 10a, riser 10b and the stiffener 10c be fixedly connected with, and described riser 10b is provided with installing hole II 10d and the locating hole 10e for being connected with base 4.
As shown in Figure 7 and Figure 8, locating piece 5 is provided with pilot hole 5a, is provided with fixedly 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 is the trip-out position of guiding apex point to inclined oil hole of air; and creep in assurance drill bit path on request; for drill bit guiding and accurate location, fixedly drill bushing protection drill bit is arranged during boring, solved the inclined to one side problem of bit drills.
The present invention also provides a kind of method of utilizing above-mentioned turbocharger end cap inclined oil hole of air clamp for machining to carry out inclined oil hole of air processing, comprises the following steps:
Step 2. is rough turn, the other end and the cylindrical of finish turning turbocharger end cap;
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 6. is bored inclined oil hole of air and thread Pilot hole, unthreaded hole with common driller;
Step 7. is attacked screw, deburring;
In sum, turbocharger end cap inclined oil hole of air Special Fixture for Machining of the present invention can well be located end cap, meets the requirement of positioning precision and position degree; Adopt processing method of the present invention to be processed by common driller, greatly improved the machinability of end cap inclined oil hole of air, reduced the part processing cost.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. a turbocharger end cap inclined oil hole of air clamp for machining, is characterized in that, comprises 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).
2. turbocharger end cap inclined oil hole of air clamp for machining according to claim 1, it is characterized in that, described base (4) comprises riser (4a), installing plate (4b) and the connecting plate (4c) be fixedly connected with, be provided with installing hole I (4d) on described installing plate (4b), 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).
3. turbocharger end cap inclined oil hole of air clamp for machining according to claim 1, it is characterized in that, described positioning core axle (6) comprises location-plate (6a) and end (6b), be provided with installing hole III (6c) on location-plate (6a), positioning core axle (6), through installing hole I (4d), is fixed on turbocharger end cap (13) on installing plate (4b) by back-up ring (3) and nut (7).
4. turbocharger end cap inclined oil hole of air clamp for machining according to claim 1, it is characterized in that, described large base (10) comprises base plate (10a), riser (10b) and the stiffener (10c) be fixedly connected with, and described riser (10b) is provided with installing hole II (10d) and the locating hole (10e) for being connected with base (4).
5. turbocharger end cap inclined oil hole of air clamp for machining according to claim 1, is characterized in that, described locating piece (5) is provided with pilot hole (5a), is provided with fixedly drill bushing in it.
6. a method of utilizing turbocharger end cap inclined oil hole of air clamp for machining claimed in claim 1 to carry out inclined oil hole of air processing, is characterized in that, comprises the following steps:
Step 1. is rough turn, small end and the endoporus of finish turning turbocharger end cap;
Step 2. is rough turn, the other end and the cylindrical of finish turning turbocharger end cap;
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 the turbocharger end cap on common driller with above-mentioned turbocharger end cap inclined oil hole of air clamp for machining;
Step 6. is bored inclined oil hole of air and thread Pilot hole, unthreaded hole with common driller;
Step 7. is attacked screw, deburring;
Step 8. comprehensive test.
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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| CN103433698A true CN103433698A (en) | 2013-12-11 |
| CN103433698B CN103433698B (en) | 2016-01-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104128817A (en) * | 2014-07-30 | 2014-11-05 | 梧州市旺捷机械制造有限公司 | Connecting seat drilling clamp |
| CN107931954A (en) * | 2017-11-15 | 2018-04-20 | 四川绵竹鑫坤机械制造有限责任公司 | A kind of processing method of crankshaft oil hole |
| 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 |
| CN108526821A (en) * | 2018-04-03 | 2018-09-14 | 江苏真鹿科技有限公司 | A kind of processing method of the engine oil pump of internal combustion engine pump housing |
| CN113927249A (en) * | 2021-10-20 | 2022-01-14 | 陕西柴油机重工有限公司 | Efficient three-dimensional composite processing device and method for V-shaped engine body of large marine diesel engine |
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| 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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| 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 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128817A (en) * | 2014-07-30 | 2014-11-05 | 梧州市旺捷机械制造有限公司 | Connecting seat drilling clamp |
| 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 |
| CN107931954A (en) * | 2017-11-15 | 2018-04-20 | 四川绵竹鑫坤机械制造有限责任公司 | A kind of processing method of crankshaft oil hole |
| CN108526821A (en) * | 2018-04-03 | 2018-09-14 | 江苏真鹿科技有限公司 | A kind of processing method of the engine oil pump of internal combustion engine pump housing |
| 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 |
| CN113927249A (en) * | 2021-10-20 | 2022-01-14 | 陕西柴油机重工有限公司 | Efficient three-dimensional composite processing device and method for V-shaped engine body of large marine diesel engine |
| CN113927249B (en) * | 2021-10-20 | 2024-05-24 | 陕西柴油机重工有限公司 | High-efficiency three-dimensional composite processing device and method for V-shaped engine body of large marine diesel engine |
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| CN103433698B (en) | 2016-01-20 |
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