CN107584156A - Engine connecting rod big end end Boring localization method - Google Patents
Engine connecting rod big end end Boring localization method Download PDFInfo
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- CN107584156A CN107584156A CN201711011669.0A CN201711011669A CN107584156A CN 107584156 A CN107584156 A CN 107584156A CN 201711011669 A CN201711011669 A CN 201711011669A CN 107584156 A CN107584156 A CN 107584156A
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- Prior art keywords
- connecting rod
- big end
- localization method
- supporting plate
- positioning
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Abstract
The invention discloses a kind of engine connecting rod big end end Boring localization method, comprise the following steps：(1) connecting rod small end hole is enclosed in the small end of connecting rod locating dowel being located in vertically oriented supporting plate；(2) connecting rod medial surface fits with positioning supporting plate, swivel link stub end, big end end is rotated to the position block with being located in positioning supporting plate and is in contact；(3) hydraulic cylinder works driving pressing plate compresses big end end, completes Machining of Connecting Rod prelocalization.Only need to be by microcephaly's borehole jack of connecting rod in small end of connecting rod locating dowel when connecting rod positions, then big end end is rotated to being compressed by pressing plate at position block can complete to position, operation is extremely simple, and positioning precision is high.
Description
Technical field
The present invention relates to technical field of engines, more particularly, to a kind of engine connecting rod big end end Boring positioning side
Method.
Background technology
It is by a few set positioning tools together company of realization that engine connecting rod big end end Boring is mostly to connecting rod positioning at present
The positioning of bar, positioning action is cumbersome, and positioning precision is poor.
The content of the invention
In view of the shortcomings of the prior art, the technical problems to be solved by the invention are to provide a kind of boring of engine connecting rod big end end
Hole machined localization method, to reach the purpose that positioning precision is high and positioning action is easy.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
The engine connecting rod big end end Boring localization method, comprises the following steps：
(1) connecting rod small end hole is enclosed in the small end of connecting rod locating dowel being located in vertically oriented supporting plate；
(2) connecting rod medial surface fits with positioning supporting plate, swivel link stub end, big end end is rotated to setting
Position block in positioning supporting plate is in contact；
(3) hydraulic cylinder works driving pressing plate compresses big end end, completes Machining of Connecting Rod prelocalization.
Wherein, after the step 2), pusher cylinder promotion holds out against sliding block and withstands big end end side, holds out against sliding block and determines
Position block is located at big end end both sides respectively.
The pressing plate is actively installed in positioning supporting plate by bearing pin, and pressing plate upper end respective link major part is set, hydraulic cylinder
It is provided with the push rod for top pressing board lower end.
The positioning supporting plate is provided with chute hole, and locating piece is to hold out against sliding block in chute hole；Chute hole is oblique
Slotted eye, the piston rod for holding out against sliding block and pusher cylinder are hinged and connected.
The upper end of the pressing plate is the semicircle arcuation structure of opening.
The tilted slotted hole is engaged with holding out against the side of sliding block by guide rail.
The present invention compared with prior art, has advantages below：
The engine connecting rod big end end Boring localization method is reasonable in design, and connecting rod only need to be by the microcephaly of connecting rod when positioning
Borehole jack in small end of connecting rod locating dowel, then by big end end rotate to compressed by pressing plate at position block can complete it is fixed
Position, operation is extremely simple, and positioning precision is high.
Brief description of the drawings
The content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described below：
Fig. 1 is positioning device structure schematic diagram of the present invention.
Fig. 2 is positioner partial schematic diagram one of the present invention.
Fig. 3 is positioner partial schematic diagram two of the present invention.
In figure：
1. bottom plate, 2. hydraulic cylinders, 3. push rods, 4. positioning supporting plates, 5. small end of connecting rod locating dowels, 6. bearing pins, 7. pressing plates, 8.
Position block, 9. avoidance through holes, 10. pusher cylinders, 11. chute holes, 12. hold out against sliding block.
Embodiment
Below against accompanying drawing, by the description to embodiment, embodiment of the invention is made further details of
Explanation.
The engine connecting rod big end end Boring localization method：
During automobile connecting bar boring major part hole machined, connecting rod small end hole is first enclosed on small end of connecting rod locating dowel, big end is revolved
Go to and contacted with position block；Pusher cylinder Work Promote holds out against sliding block and moved in chute hole, holds out against sliding block along slant rail from calmly
Skidded off in the supporting plate of position and hold out against connecting rod；Hydraulic cylinder works promote push rod to hold out against pressing plate lower end, and pressing plate upper end is big so as to compress connecting rod
Head end, accurate positioning, connecting rod tip will not move when positioning reliable processing, improve crudy；And locating and machining operates pole
It is easy.
The positioner utilized as shown in Figure 1 to Figure 3 by engine connecting rod big end end Boring localization method, including
Bottom plate 1, hydraulic cylinder 2, push rod 3, positioning supporting plate 4, small end of connecting rod locating dowel 5, bearing pin 6, pressing plate 7, position block 8, promotion gas
Cylinder 10 and hold out against sliding block 12.
Bottom plate 1 is a slab construction, and bottom plate 1 is located on boring machine tool, and positioning supporting plate 4 is located on bottom plate vertically, bottom plate
Be provided with track slot, the bottom for positioning supporting plate is provided with the sliding block that is adapted with track slot, positioning supporting plate can along track slot adjustment position,
Positioned and fixed by fastener so as to adjust the position of relative bore hole cutter head, after adjustment, meet the process requirements of different model.
Relative hole boring cutter rostral is provided with small end of connecting rod locating dowel 5 in positioning supporting plate 4, and small end of connecting rod locating dowel 5 is projection
The cylinder being located in positioning supporting plate, small end of connecting rod locating dowel are adapted with connecting rod small end hole.It is small that connecting rod small end hole is enclosed on connecting rod
In head locating dowel, you can complete the positioning to small end of connecting rod.
The middle part of pressing plate 7 is by the activity orientation of bearing pin 6 in positioning supporting plate；Preferably, the middle part of pressing plate is provided with connection
Hole, bolt are fixed in positioning supporting plate through connecting hole, have free gap, the specification of nuts between connecting hole and bolt
Size is more than the specification of connecting hole.
Bearing pin 6 between pressing plate 7 and positioning supporting plate 4 is provided with compression spring, and bearing pin and compression spring are formed to pressing plate
The strong point at middle part, pressing plate both ends are movable with respect to bearing pin.
The upper end respective link major part of pressing plate 7, pressing plate upper end are used for the major part for compressing connecting rod.The upper end of pressing plate is the half of opening
Convex structure, making whole pressing plate, pressing plate opening both ends, which can correspond to, compresses big end both sides, and positioning is reliable like shape structure is inserted.
And big end positioning action is easy in the setting of pressing plate upper end open.
Automobile connecting bar stub end is corresponded in positioning supporting plate 4 and is provided with avoidance through hole 9, avoidance through hole 9 is opened with pressing plate upper end
Mouth and the corresponding setting of borer, avoid through hole and be used to avoid borer, make process operation easy.Through hole is avoided to be located at
The surface of small end of connecting rod locating dowel.
Hydraulic cylinder 2 is located on bottom plate, and hydraulic cylinder and small end of connecting rod locating dowel are respectively positioned at the both sides of positioning supporting plate.Hydraulic pressure
The piston rod of cylinder is provided with the push rod 3 for top pressing board lower end.Positioning supporting plate, which is provided with, is used for the through hole that push rod passes through.
Pressured plate side, which is provided with, in positioning supporting plate 4 is used for the position block 8 spacing to automobile connecting bar major part side.It is preferred that
, position block 8 is U-shaped piece, is positioned by fastener through being located at for the U groove adjustable positions of position block in supporting plate,
The position of position block can be according to the connecting rod adjustment position of processing different model, and positioning tool versatility is good, reduces equipment cost.
Pusher cylinder 10 is located in positioning supporting plate 4, and pusher cylinder 10, which is provided with, to be used to determine big end end opposite side
The locating piece of position.Preferably, position block and locating piece are provided with chute positioned at the both sides for avoiding through hole, positioning supporting plate respectively
Hole 11, locating piece are to hold out against sliding block 12 in chute hole.
Pusher cylinder 10 and position block are respectively positioned at positioning supporting plate both sides, pusher cylinder and hydraulic cylinder positioned at positioning branch
Fagging the same side, chute hole 11 are tilted slotted hole, and tilted slotted hole is engaged with holding out against the side of sliding block by guide rail, i.e., guide rail is tiltedly to lead
Rail, slant rail are smaller than distance of the slant rail other end away from borer by avoiding distance of the through hole end away from borer.
Hold out against sliding block 12 and the piston rod of pusher cylinder is hinged and connected.Preferably, sliding block and the piston of pusher cylinder are held out against
It is connected between bar by connecting push rod, connection push rod one end is hinged with holding out against sliding block, connects the push rod other end and tailpiece of the piston rod
Portion is hinged.
Before connecting rod is positioned in positioning supporting plate, holds out against sliding block and be located in chute hole, hold out against sliding block and do not protrude
Position outside supporting plate, for microcephaly's borehole jack of connecting rod in small end of connecting rod locating dowel, connecting rod, which is rotated to position block opening position, holds out against cunning
Block will not block connecting rod, be easy to connecting rod positioning action.
Microcephaly's borehole jack of connecting rod is in small end of connecting rod locating dowel during positioning, and big end end is compressed by pressing plate, and connecting rod is big
Head end both sides are equipped with location structure, and positioning precision is high, and 3 points of spacing positioning are reliable, and connecting rod will not move during processing, enter
One step improves machining accuracy.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as employ the present invention design and technical scheme carry out various unsubstantialities improvement, or it is not improved will
The design and technical scheme of the present invention directly applies to other occasions, within protection scope of the present invention.
Claims (6)
- A kind of 1. engine connecting rod big end end Boring localization method, it is characterised in that：The localization method includes following step Suddenly：(1) connecting rod small end hole is enclosed in the small end of connecting rod locating dowel being located in vertically oriented supporting plate；(2) connecting rod medial surface fits with positioning supporting plate, swivel link stub end, big end end is rotated to being located at and determined Position block in the supporting plate of position is in contact；(3) hydraulic cylinder works driving pressing plate compresses big end end, completes Machining of Connecting Rod prelocalization.
- 2. engine connecting rod big end end Boring localization method as claimed in claim 1, it is characterised in that：The step 2) Afterwards, pusher cylinder promotion holds out against sliding block and withstands big end end side, holds out against sliding block and position block and is located at big end respectively Hold both sides.
- 3. engine connecting rod big end end Boring localization method as claimed in claim 1, it is characterised in that：The pressing plate passes through Bearing pin is actively installed in positioning supporting plate, and pressing plate upper end respective link major part is set, and hydraulic cylinder, which is provided with, is used for top pressing board lower end Push rod.
- 4. engine connecting rod big end end Boring localization method as claimed in claim 1, it is characterised in that：The positioning support Plate is provided with chute hole, and locating piece is to hold out against sliding block in chute hole；Chute hole is tilted slotted hole, holds out against sliding block with promoting gas The piston rod of cylinder is hinged and connected.
- 5. engine connecting rod big end end Boring localization method as claimed in claim 3, it is characterised in that：The pressing plate it is upper Hold the semicircle arcuation structure for opening.
- 6. engine connecting rod big end end Boring localization method as claimed in claim 4, it is characterised in that：The tilted slotted hole with The side for holding out against sliding block is engaged by guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011669.0A CN107584156B (en) | 2017-10-26 | 2017-10-26 | Boring machining and positioning method for big head end of engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011669.0A CN107584156B (en) | 2017-10-26 | 2017-10-26 | Boring machining and positioning method for big head end of engine connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107584156A true CN107584156A (en) | 2018-01-16 |
| CN107584156B CN107584156B (en) | 2020-02-21 |
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ID=61045323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011669.0A Active CN107584156B (en) | 2017-10-26 | 2017-10-26 | Boring machining and positioning method for big head end of engine connecting rod |
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| Country | Link |
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| CN (1) | CN107584156B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907737A (en) * | 2018-07-19 | 2018-11-30 | 湖北三峡职业技术学院 | Connecting rod is swollen off line |
| CN112620700A (en) * | 2020-12-09 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Automobile connecting rod hole machining device |
| CN112620806A (en) * | 2020-12-09 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Engine connecting rod big end hole chamfer processingequipment |
| CN112621602A (en) * | 2020-12-10 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Positioning and adjusting method for engine connecting rod |
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| EP0568119A3 (en) * | 1990-11-14 | 1994-06-01 | Ex Cell O Gmbh | Method and apparatus for working machine parts havng a bearing hole. |
| CN103143955A (en) * | 2013-03-13 | 2013-06-12 | 乳山玉龙汽车配件有限公司 | Fixture for processing large and small head holes of connecting rod |
| CN103358150A (en) * | 2013-07-03 | 2013-10-23 | 芜湖航天汽车连杆有限公司 | Connecting rod big end hole fine boring fixture |
| CN103481080A (en) * | 2013-10-10 | 2014-01-01 | 柳州明宇机械有限公司 | Connecting rod big-end hole turning clamp |
| JP2014046378A (en) * | 2012-08-29 | 2014-03-17 | Toyota Motor Corp | Work fixing device and work fixing method |
| CN203527062U (en) * | 2013-11-13 | 2014-04-09 | 芜湖航天汽车连杆有限公司 | Connecting rod machining fixture |
| CN104259903A (en) * | 2014-08-14 | 2015-01-07 | 重庆山青机械制造有限公司 | Hydraulic milling fixture |
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2017
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| EP0568119A3 (en) * | 1990-11-14 | 1994-06-01 | Ex Cell O Gmbh | Method and apparatus for working machine parts havng a bearing hole. |
| JP2014046378A (en) * | 2012-08-29 | 2014-03-17 | Toyota Motor Corp | Work fixing device and work fixing method |
| CN103143955A (en) * | 2013-03-13 | 2013-06-12 | 乳山玉龙汽车配件有限公司 | Fixture for processing large and small head holes of connecting rod |
| CN103358150A (en) * | 2013-07-03 | 2013-10-23 | 芜湖航天汽车连杆有限公司 | Connecting rod big end hole fine boring fixture |
| CN103481080A (en) * | 2013-10-10 | 2014-01-01 | 柳州明宇机械有限公司 | Connecting rod big-end hole turning clamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907737A (en) * | 2018-07-19 | 2018-11-30 | 湖北三峡职业技术学院 | Connecting rod is swollen off line |
| CN108907737B (en) * | 2018-07-19 | 2023-11-17 | 湖北三峡职业技术学院 | Connecting rod expanding machine |
| CN112620700A (en) * | 2020-12-09 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Automobile connecting rod hole machining device |
| CN112620806A (en) * | 2020-12-09 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Engine connecting rod big end hole chamfer processingequipment |
| CN112621602A (en) * | 2020-12-10 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Positioning and adjusting method for engine connecting rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107584156B (en) | 2020-02-21 |
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