CN104907845A - A thrust bearing oil wedge surface machining tool - Google Patents
A thrust bearing oil wedge surface machining tool Download PDFInfo
- Publication number
- CN104907845A CN104907845A CN201510364506.5A CN201510364506A CN104907845A CN 104907845 A CN104907845 A CN 104907845A CN 201510364506 A CN201510364506 A CN 201510364506A CN 104907845 A CN104907845 A CN 104907845A
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- China
- Prior art keywords
- thrust bearing
- supporting seat
- oil
- face
- processing tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention provides a thrust bearing oil wedge surface machining tool comprising a support base, pressing plates arranged at the top of the support base and used for pressing a thrust bearing tightly, and a locating pin used for locating the thrust bearing. A fine engraving machine used for performing engraving on the thrust bearing is arranged at the tops of the pressing plates. The machining tool is used for clamping the thrust bearing and machining the thrust bearing in a fine engraving manner; since the fine engraving machine and the machined part are in point contact, various curved surfaces can be formed in a three-dimensional space and the machining precision is high. Fan-shaped spiral oil wedge surfaces meeting the design requirement can be accurately made; the machining stability is high and the yield is high; the appearance and the outline of the oil wedge surfaces are beautiful; the oil wedge surfaces better meet the design requirement for precision, so that the products are stable and reliable to use and the service life is prolonged.
Description
Technical field
The present invention relates to Machining Technology field, particularly relate to the processing tool that face carved by a kind of thrust bearing oil.
Background technology
In turbocharger, rotating shaft needs arrange thrust bearing, thrust bearing can bear axial thrust, prevents rotating shaft displacement in the axial direction, is parts important in turbocharger.In the prior art, what often adopt during thrust bearing processing and manufacturing is the processing technology of grinding, but due to the deficiency of grinding process itself, and the reason of emery wheel itself, be the relation of linear contact lay with work piece, the spatial form in face, the just a kind of approximate curve reached cannot be carved by the fan-shaped oil of accurate expression, linear being difficult at the approximate shape edge that grinding is formed is seen, precision is not high.The material that thrust bearing adopts is generally acid bronze alloy, and grinding process is used in the softer material of material, as bad in manufacturability during Allen's metal.
Therefore, for a person skilled in the art, how to adopt a kind of machining accuracy high, can carve the processing technology in face by the oil accurately processed required for thrust bearing, be the technical issues that need to address.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the processing tool that face carved by a kind of thrust bearing oil, comprising supporting seat; Be arranged at the top of described supporting seat, for the pressing plate compressed thrust bearing; To the alignment pin that described thrust bearing positions; The carving machine being used for carving described thrust bearing is set at the top of described pressing plate.
Preferably, the rectangular bending-like of described pressing plate.
Preferably, described pressing plate is set to three, is all fixedly connected with described supporting seat by fastening bolt.
Preferably, described supporting seat is secured by bolts on the workbench of described carving machine.
Preferably, the cross section of described supporting seat is in the form of slot, also arranges the projection matched with described thrust bearing at the top of described supporting seat.
The mode of finishing impression is adopted to process, because carving machine adds man-hour from the top of pressing plate to thrust bearing, with the mode that processed part is point cantact, the carving head constantly movement of carving machine, various curved surface can be processed in the space of solid with this, the precision of therefore processing is high, face can be carved by the accurate expression sector shaped helical oil that goes out designing requirement, and the good stability of processing, yield rate is high, and the appearance profile that face carved by oil is attractive in appearance, because can reach the precision required by design preferably, therefore reliable and stable in use, the life-span of use is long.And mode of the present invention the kind of bearing that is suitable for and structure wide, be all relatively good for the processing characteristics of the thrust bearing of the materials such as harder steel or softer copper.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Facad structure schematic diagram of thrust bearing;
Fig. 2 is the partial enlarged drawing of part B in Fig. 1;
Fig. 3 is the profile in A-A cross section in Fig. 1;
Fig. 4 is clamped in the structural representation on processing tool for thrust bearing that the present embodiment provides;
Fig. 5 is the schematic diagram that thrust bearing is installed on turbocharger inside.
Wherein:
Face 11 carved by thrust bearing 1, main oil, face 12 carved by secondary oil, processing tool 2, supporting seat 21, pressing plate 22, alignment pin 23, main shaft 3, axle sleeve 4, thrust disc 5, floating bushing 6, pressure side bearing block 7, whirlpool end bearing block 8.
Detailed description of the invention
Core of the present invention is to provide a kind of thrust bearing oil and carves face processing tool, and this frock can reach the precision required by design preferably, applied widely.
The processing tool in face carved by thrust bearing oil provided by the invention, and processing tool 2 comprises supporting seat 21; Be arranged at the top of supporting seat 21, for the pressing plate 22 compressed thrust bearing 1; The carving machine being used for carving thrust bearing 1 is set at the top of pressing plate 22.The various piece of processing tool 2 is assembled according to respective combination order, and the carving head of carving machine is processed from top to the thrust bearing 1 be clipped on processing tool 2.
Carving machine technique is a procedure in the manufacture of thrust bearing 1, is used for processing thrust bearing 1 major-minor two oil to carve face, and the whole processing process of thrust bearing 1 comprises: rough turn, brill, milling, finish turning, Linear cut, finish turning, pincers, finishing impression, pincers.In whole process for making, what carving machine carried out is procedure second from the bottom.
When using processing tool 2 provided by the invention, thrust bearing 1 to be processed is fixed on processing tool 2, the processing tool 2 having clamped thrust bearing 1 is fixedly connected with carving machine, adopt carving machine to carry out finishing impression operation to thrust bearing 1.Grinding process of the prior art is changed into the finishing impression technique in the present invention, due to the relation that carving machine and processed part are point cantact, therefore can accurate carve space curved surface, the linear contact lay mode that grinding then adopts, be straight line with the contact surface of processed workpiece, the structure of design really cannot be reflected when processing space curved surface, only process approximate shape, not only profile unsightly, and dimensional discrepancy is larger, easily break down when product comes into operation, reduce the service life of thrust bearing.
Adding man-hour, first by thrust bearing 1 fixed clamp to be processed at the top of processing tool 2, processing tool 2 is fixedly connected with the machine table of carving machine, and the carving head of carving machine starts to carry out finishing impression processing from top to thrust bearing 1.The oil face of carving of the required processing of thrust bearing 1 is space curved surface, and shape is fan-shaped, as shown in Figure 1, is the Facad structure schematic diagram of thrust bearing 1.Thrust bearing 1 in Fig. 1 is provided with 8 oil and carves face, oil carves two ends in face not in same level, wherein one end is higher, the other end is lower, lubricating oil wherein can form a wedge body in use, lubricating oil is full of in whole wedge body, when thrust bearing 1 works, lubricating oil flows along the side that the larger-size lateral dimensions of wedge body is less, the oil mass flowing through thrust bearing 1 within the unit interval is certain, owing to there is the difference of size, one end that size is less in the process of lubricating oil flow can produce larger pressure, form oil film, two parts contacted are made to form certain gap, reduce the generation of friction.
As shown in Figure 2, being the partial enlarged drawing of part B in Fig. 1, is the Facad structure schematic diagram that face carved by oil.The middle part of thrust bearing 1 entirety is the cone shape structure to lower recess, lower the closer to central horizontal height, cone shape side is made up of multiple oil face of carving again, oil face of carving relies on carving machine to be processed to form, the level height that face carved by each oil all reduces gradually along a direction, its height reduced is very little, provide a kind of concrete form in embodiments of the present invention, height reduction 0.09mm, positive negative error is 0.007mm, required precision is higher, and therefore traditional grinding process cannot accurately realize, and the technique of finishing impression just can meet the requirements of precision well.Fig. 3 is A-A generalized section in Fig. 1, and in figure, the length of d is reduced height full-size.
As shown in Figure 4, for processing tool 2 provided by the present invention clamps the structural representation of thrust bearing 1.As can be seen from Figure 1, processing tool 2 provided by the present invention comprises supporting seat 21; Be arranged at the pressing plate 22 at supporting seat 21 top in addition, pressing plate 22 is for being fixedly clamped to the thrust bearing 1 be positioned on supporting seat 21; Also be provided with the alignment pin 23 that thrust bearing 1 is fixed.The edge of thrust bearing 1 is provided with through hole, and alignment pin 23 can pass through hole, and is fixed, for finding location accurately to thrust bearing 1 with the corresponding construction that arranges on supporting seat 21.
Particularly, pressing plate 22 is set to the right-angle bending shape at right angle in the present invention, and its cross section is " L " shape, and one of them plane is arranged in the horizontal direction, edge contacts with thrust bearing 1, to clamp it, another plane is along vertically arranging, and end contacts with supporting seat 21, through hole is provided with in the middle of horizontally disposed plane, be fixedly connected through through hole and supporting seat 21 with bolt, pressing plate 22 compresses by bolt, and thrust bearing 1 is pressed on supporting seat 21 by pressing plate 22 further.Particularly, the mode of the compression adopted in the present invention is by the common effect of three pressing plates 22, three pressing plates 22 are arranged at thrust bearing 1 around equably, thrust can be made more even, play more stable compression effect to thrust bearing 1, adding the disturbance guaranteeing man-hour to be subject to finishing impression head, three pressing plates 22 are each other in the angular distribution of 60 degree, only indicate a pressing plate 22 in Fig. 4, other are identical with its structure.
The position contacted with thrust bearing 1 at pressing plate 22 is also provided with hold-down bolt 221, hold-down bolt 221 plays and presses fixing effect to thrust bearing 1 further, after the bolt tightening in the middle part of pressing plate 22 is fixing, by turning hold-down bolt 221, accurately can regulate the degree of compression.
As shown in Figure 4, supporting seat 21 is fixedly connected by the workbench of bolt and carving machine equally.The longitudinal section of supporting seat 21 is groove-like, and Open Side Down, the cell wall of groove arranges 3-6 hex bolts for fixing.The top surface of supporting seat 21 arranges projection, protruding in cylindrical-shaped structure, match with the through hole in the middle part of thrust bearing 1, adding the effect playing stable support man-hour.
As shown in Figure 5, be the local structural graph of thrust bearing in turbocharger, thrust bearing 1 is set on the lateral wall of main shaft 3, between thrust bearing 1 and main shaft 3, be also provided with axle sleeve 4.A thrust bearing 1 two sides is processed respectively one group of oil and carves face, wherein carve face 11 as main oil for one group, another carves face 12 as secondary oil, and the side that thrust bearing 1 contacts with thrust disc 5 is that face 11 carved by main oil, and the right side that face 11 is arranged in Fig. 5 thrust bearing 1 carved by main oil; The side that thrust bearing 1 contacts with floating bushing 6 is that face 12 carved by secondary oil, is positioned at the left side of thrust bearing 1 in Figure 5.What contact with thrust bearing 1 also has pressure side bearing block 7 and whirlpool end bearing block 8.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein, can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the processing tool in face carved by thrust bearing oil, it is characterized in that, comprises supporting seat (21); Be arranged at the top of described supporting seat (21), for the pressing plate (22) compressed thrust bearing (1); To the alignment pin (23) that described thrust bearing (1) positions; The carving machine being used for carving described thrust bearing (1) is set at the top of described pressing plate (22).
2. the processing tool in face carved by thrust bearing oil according to claim 1, and it is characterized in that, described pressing plate (22) is bending-like at right angles.
3. the processing tool in face carved by thrust bearing oil according to claim 2, and it is characterized in that, described pressing plate (22) is set to three, is all fixedly connected with described supporting seat (21) by fastening bolt.
4. the processing tool in face carved by thrust bearing oil according to claim 1, and it is characterized in that, described supporting seat (21) is fixed by the workbench of bolt and described carving machine.
5. the processing tool in face carved by thrust bearing oil according to claim 4, it is characterized in that, the cross section of described supporting seat (21) is in the form of slot, also arranges the projection matched with described thrust bearing (1) at the top of described supporting seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364506.5A CN104907845A (en) | 2015-06-25 | 2015-06-25 | A thrust bearing oil wedge surface machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364506.5A CN104907845A (en) | 2015-06-25 | 2015-06-25 | A thrust bearing oil wedge surface machining tool |
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| Publication Number | Publication Date |
|---|---|
| CN104907845A true CN104907845A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510364506.5A Pending CN104907845A (en) | 2015-06-25 | 2015-06-25 | A thrust bearing oil wedge surface machining tool |
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| CN (1) | CN104907845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689545A (en) * | 2016-02-01 | 2016-06-22 | 上海良基博方汽车发动机零部件制造股份有限公司 | Rapid processing device of thrust bearing bevel oil groove of turbocharger |
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| CN204036048U (en) * | 2014-08-07 | 2014-12-24 | 龙工（上海）精工液压有限公司 | A kind of machined frock of hydraulic motor swash plate |
| CN204053021U (en) * | 2014-09-11 | 2014-12-31 | 山东科大机电科技股份有限公司 | A kind of round-disk shape workpiece Quick drilling tool |
| CN204221392U (en) * | 2014-09-09 | 2015-03-25 | 青岛金立磁性材料有限公司 | A kind of turning machine work support |
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2015
- 2015-06-25 CN CN201510364506.5A patent/CN104907845A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202622083U (en) * | 2012-03-06 | 2012-12-26 | 成都天马铁路轴承有限公司 | Integral type die tool for bearing gear milling machine |
| CN202780636U (en) * | 2012-09-14 | 2013-03-13 | 沈阳鼓风机集团安装检修配件有限公司 | Machining fixture for inner hole of pad |
| CN103659366A (en) * | 2013-11-29 | 2014-03-26 | 无锡市航鹄科技有限公司 | Positioning tool for drilling |
| CN103586705A (en) * | 2013-12-04 | 2014-02-19 | 蒋剑锋 | Turning fixture |
| CN203712353U (en) * | 2014-03-13 | 2014-07-16 | 南车戚墅堰机车有限公司 | Driving disc milling clamp |
| CN103990686A (en) * | 2014-05-30 | 2014-08-20 | 张家港市Aaa轴承有限公司 | Adjustable bearing machining device |
| CN204036048U (en) * | 2014-08-07 | 2014-12-24 | 龙工（上海）精工液压有限公司 | A kind of machined frock of hydraulic motor swash plate |
| CN204221392U (en) * | 2014-09-09 | 2015-03-25 | 青岛金立磁性材料有限公司 | A kind of turning machine work support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105689545A (en) * | 2016-02-01 | 2016-06-22 | 上海良基博方汽车发动机零部件制造股份有限公司 | Rapid processing device of thrust bearing bevel oil groove of turbocharger |
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Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |