CN107160206B - Main bearing journal machining of oil hole fixture - Google Patents
Main bearing journal machining of oil hole fixture Download PDFInfo
- Publication number
- CN107160206B CN107160206B CN201710573662.1A CN201710573662A CN107160206B CN 107160206 B CN107160206 B CN 107160206B CN 201710573662 A CN201710573662 A CN 201710573662A CN 107160206 B CN107160206 B CN 107160206B
- Authority
- CN
- China
- Prior art keywords
- bushing plate
- positioning seat
- shape iron
- plate positioning
- bushing
- 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
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/10—Auxiliary devices, e.g. bolsters, extension members
- B23Q3/104—V-blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2215/00—Details of workpieces
- B23B2215/20—Crankshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2247/00—Details of drilling jigs
- B23B2247/12—Drilling jigs with means to affix the jig to the workpiece
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of main bearing journal machining of oil hole fixtures, including bottom plate, bushing plate positioning seat one, bushing plate positioning seat two, bushing plate positioning seat three, V shape iron one, V shape iron two, bushing plate, plane is equipped with T-slot on bottom plate, bushing plate positioning seat one is installed by bolt on T-slot, bushing plate positioning seat two, bushing plate positioning seat three, bushing plate is mounted in the U-shaped opening of bushing plate positioning seat two, sets of holes are equipped in front of the bushing plate, the axial direction of the sets of holes is vertical with plane on bottom plate, drill jig sleeve is fixedly mounted in the sets of holes, the drilling of processing size identical as main bearing journal oilhole in the drill jig sleeve；V shape iron one, V shape iron two are respectively equipped in front of the bushing plate positioning seat one, bushing plate positioning seat three, V shape iron one, V shape iron two are bolted on T-slot, pressing plate is set above the V shape iron one, V shape iron two and is used for fixed crankshaft trunnion, it prevents crankshaft in process from shaking, influences machining of oil hole precision.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of main bearing journal machining of oil hole fixture.
Background technique
Main bearing journal is fixedly mounted on engine housing by bearing shell when engine operation, bent in crankshaft rotary course
Lubrication between axis trunnion and bearing shell is realized by the lubricating oil in trunnion oilhole.The main bearing journal oilhole prior art adds
Working hour：
1, first the both ends axle journal of crankshaft is placed on two V shape iron brackets of detection plate, then detects two support shafts
Whether neck center line is contour, if not etc. high passes are not adjusted repeatedly by adjusting of centerline to contour.Rotate crankshaft, centering crankshaft master
Journal oil centerline hole and two support center line of journal of crankshaft, make it be in a horizontal state；
2, it strikes horizontal line in main bearing journal surface two sides；
3, suitable gauge block is selected according to the size of oilhole center line to trunnion end face, one end face of gauge block is made to lean against main shaft
Neck endface is located in main bearing journal surface by other end and draws vertical line；
4, the punching at the cross hairs pulled；
5, crankshaft is sling, the both ends axle journal of crankshaft is placed on two contour V shape iron brackets of lathe, crankshaft is rotated, looks for
Positive main bearing journal oilhole center line makes it be in parallel with machine tool drill.Clamp the both ends axle journal of crankshaft；
6, start lathe, drill bit is moved at trunnion oilhole, starts to process behind centering position.
The prior art can be used, but clamping is complicated for operation, time-consuming and laborious, and human factor is affected, frequently mobile bent
Axis is easy to damage, and is suitble to single-piece production, production efficiency is low, and machining accuracy is poor.
Summary of the invention
The object of the present invention is to provide a kind of main bearing journal machining of oil hole fixtures, to reduce main bearing journal machining of oil hole
Time, and trunnion machining of oil hole precision is improved, facilitate operation.
The technical solution adopted in the present invention is as follows：
Main bearing journal machining of oil hole fixture, including bottom plate, bushing plate positioning seat one, bushing plate positioning seat two, bushing plate
Positioning seat three, V shape iron one, V shape iron two, bushing plate, plane is equipped with T-slot on bottom plate, is bolted peace on the T-slot
Fill bushing plate positioning seat one, bushing plate positioning seat two, bushing plate positioning seat three, the bushing plate positioning seat one, bushing plate positioning
Seat two, three top of bushing plate positioning seat are provided with through-hole, and the through-hole internal clearance is coupled bushing plate positioning core axle, bushing plate
It is mounted in the U-shaped opening of bushing plate positioning seat two by through-hole and bushing plate positioning core axle, set is equipped in front of the bushing plate
The axial direction in hole, the sets of holes is vertical with plane on bottom plate, and drill jig sleeve is fixedly mounted in the sets of holes, in the drill jig sleeve processing with
The drilling of the identical size of main bearing journal oilhole；V-arrangement is respectively equipped in front of the bushing plate positioning seat one, bushing plate positioning seat three
Iron one, V shape iron two, V shape iron one, V shape iron two are bolted on T-slot, the top V of the V shape iron one, V shape iron two
V shape iron locating piece one, V shape iron locating piece two is fixedly mounted in shape opening, and the left side of V shape iron two is equipped with axially position block, institute
Two screw holes of plane machining on the front of V shape iron one are stated, studs one, pillar one screw in screw hole and V shape iron one is fixed
Together, pressing back-end is placed on the pillar one, and the pressing plate front end is placed in main journal surface, and one upper end of studs passes through
The hollow long hole of pressing plate, band shoulder nut screw in one upper end of studs, and same pressure plate structure is arranged in the V shape iron two；
Crank-pin axle journals positioning seat is equipped between the V shape iron one, V shape iron two, crank-pin axle journals positioning seat is fixed on T-slot, institute
It states and crank-pin axle journals locating piece is set above crank-pin axle journals positioning seat.
The bushing plate positioning core axle passes through lock-screw and bushing plate positioning seat one, bushing plate positioning seat two, bushing plate
Positioning seat three is fixed.
The bushing plate positioning seat one, bushing plate positioning seat two install bushing plate positioning seat below bushing plate positioning seat three
Positioning key.
V shape iron positioning key is installed below the V shape iron one, V shape iron two.
Intermediate above the bushing plate to be equipped with a semicircular opening, stop screw passes through semicircular opening and tightens in bushing plate
On positioning core axle.
The crank-pin axle journals locating piece is equipped with handle.
The advantages of the present invention are：
1. clamping of the invention is easy to operate, production efficiency is effectively increased.
2. crank-pin axle journals locating piece is arranged between two V shape irons, increases by the way that pressing plate is arranged above V shape iron
The stability of crankshaft clamping, effectively prevents the vibration of crankshaft when machining of oil hole, to influence the precision of machining of oil hole.
3. the present invention positions oilhole using drill jig sleeve on bushing plate, artifical influence factor is small, oil-hole location positioning
Accurately.
4. by bottom plate plane open up T-slot, the tool of machining crankshafts trunnion left and right in the axial direction can be made
Sliding, to realize the processing of crankshaft different location oilhole.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the A-A view in Fig. 1；
Fig. 3 is the B-B view in Fig. 1；
Fig. 4 is the C-C view in Fig. 1；
Fig. 5 is the D-D view in Fig. 1；
Fig. 6 is the E-E view in Fig. 1.
In figure：1- bottom plate, 2-T shape slot, 4-V shape iron positioning key, 6- bushing plate positioning core axle, 8-V shape iron locating piece one, 9-
V shape iron locating piece two, 10- band shoulder nut, 12- studs one, 13- pressing plate, 14- pillar, 15- crank-pin axle journals locating piece,
16- handle, 17- crank-pin axle journals positioning seat, 20- bushing plate positioning seat positioning key, 21- stop screw, 22- bushing plate, 23- are bored
Die sleeve, 24-T shape slot bolt, 27- axially position block, 28- lock-screw, 29- positioning surface, 30-T shape slot side, on 31- bottom plate
Plane, 32- through-hole, plane, 39- sets of holes, 41- platen, 42- platen T-slot, 43- are semicircle on the front 35-
Opening, 44- boss, 45- drilling, the hollow long hole of 49-, 50- bushing plate positioning seat one, 51- bushing plate positioning seat two, 52- drill jig
Plate positioning seat three, 53-V shape iron one, 54-V shape iron two.
Specific embodiment
As shown in figures 1 to 6, main bearing journal machining of oil hole fixture, including bottom plate 1, bushing plate positioning seat 1, bushing plate
Positioning seat 2 51, bushing plate positioning seat 3 52, V shape iron 1, V shape iron 2 54, bushing plate 22, plane opens up T-slot on bottom plate 1
2, bushing plate positioning seat 1, bushing plate positioning seat 2 51, bushing plate positioning seat 3 52 are installed, bushing plate is fixed on the T-slot 2
Position seat positioning key 20 is mounted on the bushing plate positioning seat 1, bushing plate positioning seat 2 51, bushing plate positioning seat by screw
3 52 lower section, before bushing plate positioning seat 1, bushing plate positioning seat 2 51, bushing plate positioning seat 3 52 are relative to bottom plate 1
Position (by taking Fig. 1 as an example, before the direction in face of reader is) passes through the tight of bushing plate positioning seat positioning key 20 and T-slot side 30 afterwards
Cooperation realizes that bushing plate positioning seat 1, bushing plate positioning seat 2 51, bushing plate positioning seat 3 52 are solid by T-slot bolt 24
It is scheduled on the T-slot of upper plane 31 of bottom plate 1；The bushing plate positioning seat 1, bushing plate positioning seat 2 51, bushing plate positioning
3 52 top of seat is provided with through-hole 32, in order to guarantee bushing plate positioning seat 1, bushing plate positioning seat 2 51, bushing plate positioning seat three
Through-hole 32 on 52 with one heart, by simultaneous processing behind three bushing plate positioning seat centering positions in process, in the through-hole 32
Clearance fit installs bushing plate positioning core axle 6, and the bushing plate positioning core axle passes through lock-screw 28 and bushing plate positioning seat one
50, bushing plate positioning seat 2 51, bushing plate positioning seat 3 52 are fixed, and bushing plate 22 passes through through-hole 32 and bushing plate positioning core axle 6
It is mounted in the U-shaped opening of bushing plate positioning seat 2 51, bushing plate 22 is broken in switching process repeatedly in order to prevent, in bushing plate
22 tops are intermediate to be provided with a semicircular opening 43, and stop screw 21 passes through semicircular opening 43 and tightens in bushing plate positioning core axle 6
On, sets of holes 39 are drilled in front of the bushing plate 22, the sets of holes 39 are axial vertical with plane on bottom plate 1, solid in the sets of holes 39
Dingan County fills drill jig sleeve 23, the drilling 45 of processing size identical as main bearing journal oilhole, the bushing plate in the drill jig sleeve 23
Positioning seat 1,3 52 front of bushing plate positioning seat are respectively equipped with V shape iron 1, V shape iron 2 54, and V shape iron positioning key 4 passes through spiral shell
The lower section that nail is mounted on V shape iron 1, V shape iron 2 54 can be adjusted by the cooperation of V shape iron positioning key 4 and T-slot side 30
In the front-rear position of bottom plate 1, V shape iron 1, V shape iron 2 54 are fixed by T-slot bolt 24 for whole V shape iron 1, V shape iron 2 54
On the upper plane T-slot of bottom plate 1, the V shape iron 1, V shape iron 2 54 top v-shaped opening at that V shape iron is fixedly mounted is fixed
Position block 1, V shape iron locating piece 29, V shape iron locating piece 1, the upper plane of V shape iron locating piece 29 and the main shaft of crankshaft two end
Neck contact, the V shape iron locating piece 1, V shape iron locating piece 29 can replace, with realize to the crankshafts of different axle journal sizes into
Row is fixed, and the boss 44 during crank position adjustment below 22 front end of bushing plate is contacted with main bearing journal, drills 45 at this time
Plumbness is in plane on bottom plate；The left side of V shape iron 29 is equipped with axially position block 27, to realize to crankshaft axial direction
It positions, plane 35 processes two screw holes on the front of the V shape iron 1, and studs 1, pillar 1 screw in screw
Hole is fixed together with V shape iron 1, and 13 rear end of pressing plate is placed on the pillar 1, and 13 front end of pressing plate is placed in trunnion
Surface, one 12 upper end of studs pass through the hollow long hole 49 of pressing plate 13, and band shoulder nut 10 screws on the studs 1
End bores main bearing journal oilhole and tightens band shoulder nut 10 in the process, and crankshaft is firmly fixed to V shape iron positioning by pressing plate 13
Same 13 structure of pressing plate is arranged in the upper plane of block 1, the V shape iron 2 54；It is set between the V shape iron 1, V shape iron 2 54
There is crank-pin axle journals positioning seat 17, crank-pin axle journals positioning seat 17 is fixed on T-slot 2, the crank-pin axle journals positioning seat 17
Crank-pin axle journals locating piece 15 is arranged in top, and the crank-pin axle journals locating piece 15 is a cubic shaped part, thereon following table
Fine grinding, and keeping parallelism relationship are passed through in face, and the crank-pin axle journals locating piece 15 is equipped with handle 16.
When the present invention uses：
1, the upper plane for trying clean V shape iron locating piece 1, V shape iron locating piece 29 is put on the skin, crank-pin axle journals positioning seat 17 is bent
The upper and lower plane of handle pin journal locating piece 15, the both ends locating journal surface and positioning crank-pin axle journals surface of crankshaft.
2, the both ends axle journal of crankshaft has been placed on to the V shape iron locating piece of good main bearing journal machining of oil hole fixture after debugging
One 8, on V shape iron locating piece 29, it is in close contact crankshaft end-face and 27 left side of axially position block, rotation crankshaft keeps positioning bent
Handle pin journal goes to general suitable position, and crank-pin axle journals locating piece 15 is placed on the upper flat of crank-pin axle journals positioning seat 17
Face is in close contact it with crank-pin axle journals, tightens by pressing plate 13 that the both ends axle journal of crankshaft is firmly solid with shoulder nut 10
It is scheduled on the upper plane of V shape iron locating piece 1, V shape iron locating piece 29.
3, overturning bushing plate 22 makes boss 44 and main bearing journal intimate surface contact below its 22 front end of bushing plate.
4, start lathe, drill bit is moved at the drilling 45 at 23 axis of drill jig sleeve, starts to process behind centering position.
Claims (6)
1. main bearing journal machining of oil hole fixture, including bottom plate, bushing plate positioning seat one, bushing plate positioning seat two, bushing plate are fixed
Position seat three, V shape iron one, V shape iron two, bushing plate, plane is equipped with T-slot on bottom plate, is bolted installation on the T-slot
Bushing plate positioning seat one, bushing plate positioning seat two, bushing plate positioning seat three, it is characterised in that：The bushing plate positioning seat one bores
Template Location seat two, three top of bushing plate positioning seat are provided with through-hole, and the through-hole internal clearance is coupled bushing plate locating core
Axis, bushing plate are mounted in the U-shaped opening of bushing plate positioning seat two by through-hole and bushing plate positioning core axle, before the bushing plate
Side is equipped with sets of holes, and the axial direction of the sets of holes is vertical with plane on bottom plate, and drill jig sleeve, the drill jig sleeve are fixedly mounted in the sets of holes
The interior drilling for processing size identical as main bearing journal oilhole；Divide in front of the bushing plate positioning seat one, bushing plate positioning seat three
Not She You V shape iron one, V shape iron two, V shape iron one, V shape iron two be bolted on T-slot, the V shape iron one, V shape iron
V shape iron locating piece one, V shape iron locating piece two are fixedly mounted at two top v-shaped opening, the left side of V shape iron two is equipped with axial
Locating piece, two screw holes of plane machining on the front of the V shape iron one, studs one, pillar one screw in screw hole and V-arrangement
Iron one is fixed together, and pressing back-end is placed on the pillar one, and the pressing plate front end is placed in main journal surface, studs one
Upper end passes through the hollow long hole of pressing plate, and band shoulder nut screws in one upper end of studs, and same pressure is arranged in the V shape iron two
Hardened structure；Crank-pin axle journals positioning seat is equipped between the V shape iron one, V shape iron two, crank-pin axle journals positioning seat is fixed on T shape
On slot, crank-pin axle journals locating piece is set above the crank-pin axle journals positioning seat.
2. main bearing journal machining of oil hole fixture according to claim 1, it is characterised in that：The bushing plate positioning core axle
It is fixed by lock-screw and bushing plate positioning seat one, bushing plate positioning seat two, bushing plate positioning seat three.
3. main bearing journal machining of oil hole fixture according to claim 1, it is characterised in that：The bushing plate positioning seat
One, bushing plate positioning seat two, bushing plate positioning seat positioning key is installed below bushing plate positioning seat three.
4. main bearing journal machining of oil hole fixture according to claim 1, it is characterised in that：The V shape iron one, V shape iron
Two lower sections are installed by V shape iron positioning key.
5. main bearing journal machining of oil hole fixture according to claim 1, it is characterised in that：It is intermediate above the bushing plate
Equipped with a semicircular opening, stop screw passes through semicircular opening and tightens on bushing plate positioning core axle.
6. main bearing journal machining of oil hole fixture according to claim 1, it is characterised in that：The crank-pin axle journals positioning
Block is equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573662.1A CN107160206B (en) | 2017-07-14 | 2017-07-14 | Main bearing journal machining of oil hole fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573662.1A CN107160206B (en) | 2017-07-14 | 2017-07-14 | Main bearing journal machining of oil hole fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107160206A CN107160206A (en) | 2017-09-15 |
| CN107160206B true CN107160206B (en) | 2018-11-27 |
Family
ID=59822488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710573662.1A Active CN107160206B (en) | 2017-07-14 | 2017-07-14 | Main bearing journal machining of oil hole fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107160206B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866689B (en) * | 2017-11-30 | 2024-06-25 | 内江金鸿曲轴有限公司 | Universal clamp for drilling crankshaft oil hole in vertical machining center |
| CN113829101A (en) * | 2021-10-25 | 2021-12-24 | 威海天润智能科技有限公司 | Fixture for drilling flange hole of crankshaft |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT364220B (en) * | 1980-02-27 | 1981-10-12 | Gfm Fertigungstechnik | METHOD FOR MILLING CRANE OR CAMSHAFT |
| JPS59232707A (en) * | 1983-05-26 | 1984-12-27 | Honda Motor Co Ltd | Oil hole processing device for crankshaft |
| CN201231416Y (en) * | 2008-07-16 | 2009-05-06 | 天润曲轴股份有限公司 | Fixture for drilling crankshaft oil hole |
| CN201223958Y (en) * | 2008-07-19 | 2009-04-22 | 德州德隆(集团)机床有限责任公司 | Large-sized crankshaft numerical control deep-hole drilling machine |
| CN201257604Y (en) * | 2008-09-12 | 2009-06-17 | 天润曲轴股份有限公司 | Fixture for drilling flange hole of crankshaft |
| CN201316920Y (en) * | 2008-11-28 | 2009-09-30 | 天润曲轴股份有限公司 | Fixture for drilling eccentric hole of crankshaft flange |
| CN102528110B (en) * | 2011-07-01 | 2013-11-20 | 武汉重工铸锻有限责任公司 | Method for machining central oil hole of main journal of crank of medium-speed engine |
| CN104117714A (en) * | 2014-07-18 | 2014-10-29 | 天润曲轴股份有限公司 | Crankshaft balance arm hole drilling jig |
| CN204194884U (en) * | 2014-09-26 | 2015-03-11 | 郝国平 | Bore crankshaft straight oil hole clamp |
-
2017
- 2017-07-14 CN CN201710573662.1A patent/CN107160206B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107160206A (en) | 2017-09-15 |
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