CN107617914B - Big end end processing and positioning device - Google Patents
Big end end processing and positioning device Download PDFInfo
- Publication number
- CN107617914B CN107617914B CN201711011668.6A CN201711011668A CN107617914B CN 107617914 B CN107617914 B CN 107617914B CN 201711011668 A CN201711011668 A CN 201711011668A CN 107617914 B CN107617914 B CN 107617914B
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- Prior art keywords
- positioning
- support plate
- positioning support
- hole
- connecting rod
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Abstract
The invention discloses a kind of big end end processing and positioning devices, the positioning support plate being located on bottom plate including bottom plate and vertically, it further include hydraulic cylinder and pusher cylinder and the pressing plate for compressing big end end, small end of connecting rod positioning column is equipped with by borer side on the positioning support plate, the pressing plate is actively installed on positioning support plate by pin shaft, the setting of pressing plate upper end respective link major part, the hydraulic cylinder is equipped with the mandril for top pressing board lower end, the positioning support plate is equipped with the position block for the limit of big end end side, the pusher cylinder is located on positioning support plate, pusher cylinder is equipped with for the locating piece to another side positioning in big end end.The small head bore of connecting rod covers on small end of connecting rod positioning column when positioning, and big end end is compressed by pressing plate, and big end end two sides are equipped with location structure, positioning accuracy is high, and 3 points of limits positioning is reliable, and connecting rod will not move when processing, further improves machining accuracy.
Description
Technical field
The present invention relates to Machining of Connecting Rod technical fields, more particularly, to a kind of big end end processing and positioning device.
Background technique
Automobile connecting bar Boring does not have dedicated positioning tool at present, and automobile connecting bar is located through several location structure groups
Conjunction is positioned, and hand Screw positioned fastener is needed, and positioning accuracy is poor, influences the big end hole processing quality of connecting rod.
Summary of the invention
In view of the shortcomings of the prior art, technical problem to be solved by the invention is to provide a kind of processing of big end end to position
Device, to achieve the purpose that positioning accuracy is high.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is as follows:
The big end end processing and positioning device, the positioning support plate being located on bottom plate including bottom plate and vertically further include
Hydraulic cylinder and pusher cylinder and pressing plate for compressing big end end are equipped on the positioning support plate by borer side
Small end of connecting rod positioning column, the pressing plate are actively installed on positioning support plate by pin shaft, the setting of pressing plate upper end respective link major part,
The hydraulic cylinder is equipped with the mandril for top pressing board lower end, and the positioning support plate, which is equipped with, is used for one lateral confinement of big end end
The position block of position, the pusher cylinder are located on positioning support plate, and pusher cylinder is equipped with for another to big end end
The locating piece of side positioning.
Further, the hydraulic cylinder is located on bottom plate, and positioning support plate is equipped with the through-hole passed through for mandril.
Respective link stub end is equipped with the evacuation through-hole for avoiding borer, position block on the positioning support plate
The two sides of evacuation through-hole are located at locating piece.
The positioning support plate is equipped with chute hole, and locating piece is to hold out against sliding block in chute hole.
The removable adjustment of the position block is located on positioning support plate.
The pusher cylinder and position block are located at positioning support plate two sides, and chute hole is tilted slotted hole, hold out against sliding block
It is hinged and connected with the piston rod of pusher cylinder.
The tilted slotted hole is matched with the side for holding out against sliding block by guide rail.
Described hold out against is connected between sliding block and the piston rod of pusher cylinder by connecting push rod, is connected push rod one end and is held out against
Sliding block is hinged, and the connection push rod other end is hinged with piston rod end.
Compared with prior art, the present invention having the advantage that
The big end end processing and positioning device is reasonable in design, and the small head bore of connecting rod covers fixed in small end of connecting rod when positioning
On the column of position, big end end is compressed by pressing plate, and big end end two sides are equipped with location structure, and positioning accuracy is high, and three
Point limit positioning is reliable, and connecting rod will not move when processing, further improves machining accuracy.
Detailed description of the invention
Content expressed by each width attached drawing of this specification and the label in figure are briefly described below:
Fig. 1 is positioning device structure schematic diagram of the present invention.
Fig. 2 is positioning device partial schematic diagram one of the present invention.
Fig. 3 is positioning device partial schematic diagram two of the present invention.
In figure:
1. bottom plate, 2. hydraulic cylinders, 3. mandrils, 4. positioning support plates, 5. small end of connecting rod positioning columns, 6. pin shafts, 7. pressing plates, 8.
Position block, 9. evacuation through-holes, 10. pusher cylinders, 11. chute holes, 12. hold out against sliding block.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation.
As shown in Figure 1 to Figure 3, the big end end processing and positioning device, including bottom plate 1, hydraulic cylinder 2, mandril 3, positioning
Support plate 4, small end of connecting rod positioning column 5, pin shaft 6, pressing plate 7, position block 8, pusher 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 support plate 4 is located on bottom plate vertically, bottom plate
It is equipped with track slot, the bottom of positioning support plate is equipped with sliding block compatible with track slot, and positioning support plate can adjust position along track slot,
So as to adjust the position of opposite bore hole cutter head, is positioned and fixed by fastener after adjustment, meet the process requirements of different model.
Opposite bore hole cutter head side is equipped with small end of connecting rod positioning column 5 on positioning support plate 4, and small end of connecting rod positioning column 5 is protrusion
The cylinder being located on positioning support plate, small end of connecting rod positioning column are adapted with connecting rod small end hole.Connecting rod small end hole covers small in connecting rod
On head positioning column, the positioning to small end of connecting rod can be completed.
The middle part of pressing plate 7 is by 6 activity orientation of pin shaft on positioning support plate；Preferably, the middle part of pressing plate is equipped with connection
Hole, bolt pass through connecting hole and are fixed on positioning support plate, have free gap, the specification of nuts between connecting hole and bolt
Size is greater than the specification of connecting hole.
Pin shaft 6 between pressing plate 7 and positioning support plate 4 is equipped with compressed spring, and pin shaft and compressed spring are formed to pressing plate
The supporting point at middle part, pressing plate both ends are movable with respect to pin shaft.
7 upper end respective link major part of pressing plate, pressing plate upper end are used to compress the major part of connecting rod.The upper end of pressing plate is the half of opening
Convex structure makes entire pressing plate like shape structure is inserted, and pressing plate opening both ends, which can correspond to, compresses big end two sides, and positioning is reliable.
And big end positioning operation is convenient in the setting of pressing plate upper end opening.
Automobile connecting bar stub end is corresponded on positioning support plate 4 and is equipped with evacuation through-hole 9, and evacuation through-hole 9 is opened with pressing plate upper end
Mouth and the corresponding setting of borer, evacuation through-hole keep process operation easy for avoiding borer.Evacuation through-hole is located at
The surface of small end of connecting rod positioning column.
Hydraulic cylinder 2 is located on bottom plate, and hydraulic cylinder and small end of connecting rod positioning column are located at the two sides of positioning support plate.It is hydraulic
The piston rod of cylinder is equipped with the mandril 3 for top pressing board lower end.Positioning support plate is equipped with the through-hole passed through for mandril.
The position block 8 for limiting to automobile connecting bar major part side is equipped with by pressing plate side on positioning support plate 4.It is preferred that
, position block 8 is U-shaped piece, it is located on positioning support plate by the U slot adjustable position that fastener passes through position block,
The position of position block can adjust position according to the connecting rod of processing different model, and positioning tool versatility is good, reduces equipment cost.
Pusher cylinder 10 is located on positioning support plate 4, and pusher cylinder 10 is equipped with for fixed to the big end end other side
The locating piece of position.Preferably, position block and locating piece are located at the two sides of evacuation through-hole, and positioning support plate is equipped with sliding slot
Hole 11, locating piece are to hold out against sliding block 12 in chute hole.
Pusher cylinder 10 and position block are located at positioning support plate two sides, and pusher cylinder and hydraulic cylinder are located at positioning branch
Fagging the same side, chute hole 11 are tilted slotted hole, and tilted slotted hole is matched with the side for holding out against sliding block by guide rail, i.e., guide rail is tiltedly to lead
Rail, distance of the oblique guide by evacuation distance of the through hole end away from borer than the oblique guide other end away from borer are small.
It holds out against sliding block 12 and the piston rod of pusher cylinder is hinged and connected.Preferably, the piston of sliding block and pusher cylinder is held out against
It is connected between bar by connection push rod, connection push rod one end is hinged with sliding block is held out against, and connects the push rod other end and tailpiece of the piston rod
Portion is hinged.
Before connecting rod is located on positioning support plate, holds out against sliding block and be located in chute hole, hold out against sliding block and do not protrude
Outside positioning support plate, the small head bore of connecting rod covers on small end of connecting rod positioning column, and connecting rod is rotated to holding out against cunning at position block position
Block will not block connecting rod, be convenient for connecting rod positioning operation.
The small head bore of connecting rod covers on small end of connecting rod positioning column when positioning, and big end end is compressed by pressing plate, and connecting rod is big
Head end two sides are equipped with location structure, and positioning accuracy is high, and 3 points of limits positioning are reliably, and connecting rod will not move when processing, into
One step improves machining accuracy.
When automobile connecting bar boring major part hole machined, first connecting rod small end hole is covered in small end of connecting rod positioning column, big end is revolved
It goes to and is contacted with position block；Pusher cylinder Work Promote holds out against sliding block and moves in chute hole, holds out against sliding block along oblique guide from calmly
It is skidded off in the support plate of position and holds out against connecting rod；Hydraulic cylinder works push mandril to hold out against pressing plate lower end, and pressing plate upper end is big to compress connecting rod
Head end, accurate positioning, connecting rod tip will not move when positioning reliable processing, improve processing quality；And process positioning operation pole
It is easy.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, if use the improvement for the various unsubstantialities that conception and technical scheme of the invention carry out, or it is not improved will
Conception and technical scheme of the invention directly apply to other occasions, within the scope of the present invention.
Claims (2)
1. a kind of big end end processing and positioning device, the positioning support plate being located on bottom plate including bottom plate and vertically, feature
It is: further includes hydraulic cylinder and pusher cylinder and the pressing plate for compressing big end end, lean on boring on the positioning support plate
Spot facing cutter side is equipped with small end of connecting rod positioning column, and the pressing plate is actively installed on positioning support plate by pin shaft, and pressing plate upper end is corresponding
Big end setting, the hydraulic cylinder are equipped with the mandril for top pressing board lower end, and the positioning support plate is equipped with for connecting
The position block of bar stub end side limit, the pusher cylinder is located on positioning support plate, pusher cylinder be equipped with for pair
The locating piece of another side positioning in big end end；
The positioning support plate is equipped with chute hole, and locating piece is to hold out against sliding block in chute hole；The pusher cylinder and
Position block is located at positioning support plate two sides, and chute hole is tilted slotted hole, and the piston rod for holding out against sliding block and pusher cylinder is hinged
It is connected；
The hydraulic cylinder is located on bottom plate, and positioning support plate is equipped with the through-hole passed through for mandril；The position block is removable
Dynamic adjustment is located on positioning support plate；The tilted slotted hole is matched with the side for holding out against sliding block by guide rail；
Described hold out against is connected between sliding block and the piston rod of pusher cylinder by connecting push rod, is connected push rod one end and is held out against sliding block
It is hinged, the connection push rod other end is hinged with piston rod end.
2. big end end as described in claim 1 processing and positioning device, it is characterised in that: corresponding on the positioning support plate to connect
Bar stub end is equipped with the evacuation through-hole for avoiding borer, and position block and locating piece are located at the two of evacuation through-hole
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011668.6A CN107617914B (en) | 2017-10-26 | 2017-10-26 | Big end end processing and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011668.6A CN107617914B (en) | 2017-10-26 | 2017-10-26 | Big end end processing and positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107617914A CN107617914A (en) | 2018-01-23 |
| CN107617914B true CN107617914B (en) | 2019-11-08 |
Family
ID=61092048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011668.6A Active CN107617914B (en) | 2017-10-26 | 2017-10-26 | Big end end processing and positioning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107617914B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4037429A1 (en) * | 1990-11-14 | 1992-05-21 | Ex Cell O Gmbh | MACHINING PROCESS AND PLANT FOR MACHINE PARTS HAVING A BEARING EYE |
| CN201871956U (en) * | 2010-09-30 | 2011-06-22 | 芜湖航天汽车连杆有限公司 | Three-way positioning tool clamp for machining small end of connecting rod |
| CN202964203U (en) * | 2012-12-03 | 2013-06-05 | 上海宁远精密机械有限公司 | Fixture used for processing engine connecting rod oil hole |
| CN103358150B (en) * | 2013-07-03 | 2016-03-23 | 芜湖航天汽车连杆有限公司 | Crank pin end pore fixture for fine boring |
| 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 |
| CN205465336U (en) * | 2016-02-24 | 2016-08-17 | 湖南汉星机械制造有限公司 | Gasoline engine is processingequipment for connecting rod |
-
2017
- 2017-10-26 CN CN201711011668.6A patent/CN107617914B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107617914A (en) | 2018-01-23 |
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