CN205996608U - A kind of lathe and its connecting rod big aperture positioning boring fixture - Google Patents
A kind of lathe and its connecting rod big aperture positioning boring fixture Download PDFInfo
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- CN205996608U CN205996608U CN201620786828.9U CN201620786828U CN205996608U CN 205996608 U CN205996608 U CN 205996608U CN 201620786828 U CN201620786828 U CN 201620786828U CN 205996608 U CN205996608 U CN 205996608U
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- thimble
- connecting rod
- big aperture
- boring fixture
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Abstract
The utility model discloses a kind of big aperture of connecting rod positions boring fixture, including support platform, in support platform at least provided with the first thimble for abutting with the little head end afterbody technique centre bore of connecting rod, for the second thimble of abutting with the major part upper surface technique centre bore of connecting rod be used for the 3rd thimble abutting with the major part lower surface technique centre bore of connecting rod, the first thimble, the second thimble and the 3rd thimble are by pneumatic means control.The big aperture of connecting rod provided by the utility model positions boring fixture, by pneumatic control first thimble, the second thimble and the 3rd thimble, automaticity improves, control accuracy is high so that the connecting rod scrappage that this operation causes is reduced to about 50 PPM by about 1000 PPM of the prior art, and production efficiency improves, cost reduces, in addition, this fixture can also carry out redemption process to concentric reducer hole position deviation or crooked connecting rod, it is to avoid scrap.The invention also discloses a kind of include the lathe that the big aperture of above-mentioned connecting rod positions boring fixture.
Description
Technical field
This utility model is related to Machining of Connecting Rod apparatus field, and the big aperture of more particularly to a kind of connecting rod positions boring fixture.This
Outward, this utility model further relates to a kind of lathe including above-mentioned connecting rod big aperture positioning boring fixture.
Background technology
Connecting rod is the part connecting engine piston and bent axle, plays gearing.
In prior art, as shown in figure 1, when the bore hole batch machining of connecting rod 500 size head bore or redemption processing, typically adopting
It is processed with special plane horizontal boring machine, on connecting rod 500, big end hole left and right sides and little head-tail have 3 technique centre bores for fixed
Position clamping, after cleaning out connecting rod 500, puts establishment prone position state, the little head end afterbody technique centre bore 501 of connecting rod 500 is aligned
Special plane upper fixture rear portion positioning thimble inserting is close to, and the technique centre bore of major part both sides is directed at clamp for special machines upper and lower sides down
Centralized positioning thimble, and draw close lower plane, crawl equipment positioning compression button by deadweight compression, on the upside of major part, thimble falls to slipping into
Connecting rod 500 major part upper center fabrication hole completes positioning clamping；After the completion of positioning, crawl processes start button, size head bore boring
Knife automatic swivel feeding simultaneously, processes connecting rod 500 size head bore.
However, due to horizontal boring machine ageing equipment in prior art, fault rate is higher, and processing dimension is difficult to stable, warp
Often need to carry out adjustment, cause quality of lot accident, such as hole position deviation, crooked, spring knife cultivation knife, mistake circle, roughness difference and ripple
The problems such as stricture of vagina degree difference, product batch is scrapped.
And, when the size head bore of connecting rod 500 occurs the problems such as hole position offsets or be crooked, existing special plane horizontal boring
Bed is difficult to be adjusted cause connecting rod 500 to scrap so that connecting rod 500 processing difficulties, coroner, technique, operator it is impossible to save
High with the labor intensity of maintenance of equipment personnel.
Therefore, how to improve the precision of connecting rod size hole machined, reduce scrappage, reduce processing cost, be this area skill
The current technical issues that need to address of art personnel.
Utility model content
The purpose of this utility model is to provide a kind of connecting rod big aperture positioning boring fixture, and the big aperture of this connecting rod positions boring fixture
Using pneumatic control, positioning precision is high, and labor intensity of operating staff is low.Of the present utility model another object is that provides a kind of inclusion
The big aperture of above-mentioned connecting rod positions the lathe of boring fixture.
For achieving the above object, this utility model provides following technical scheme：
A kind of big aperture of connecting rod positions boring fixture, includings support platform, in described support platform at least provided be used for
The first thimble that the little head end afterbody technique centre bore of connecting rod abuts, for the major part upper surface technique centre bore with described connecting rod
The second thimble abutting and the 3rd thimble for abutting with the major part lower surface technique centre bore of described connecting rod, described first top
Pin, described second thimble and described 3rd thimble are by pneumatic means control.
Preferably, described support platform is also equipped with the first bearing, the second bearing and three abutments, described first thimble
And described first bearing between, and it is elastic connection between described second thimble and described second bearing, described 3rd top
Pin is fixedly connected with described three abutments.
Preferably, described first bearing is provided with the first locking pin for locking described first thimble, described second
The second locking pin for locking described second thimble is provided with bearing, described three abutments is provided with described for locking
3rd locking pin of the 3rd thimble.
Preferably, described first thimble, described second thimble and described 3rd thimble are equipped with and accordingly lock pin card
The locking slot connecing.
Preferably, described first bearing is provided with for promoting described first locking pin transverse shifting to lock described first
First push rod of thimble, described second bearing is provided with for promoting described second locking pin transverse shifting to lock described second
Second push rod of thimble, described three abutments are provided with for promoting described 3rd locking pin transverse shifting to lock the described 3rd
3rd push rod of thimble.
Preferably, described first push rod, described second push rod and described 3rd push rod are connected with same cylinder, and institute
State the air-flow in cylinder and sequentially enter described second push rod, described 3rd push rod and described first push rod.
Preferably, the pipeline between described cylinder and described first push rod is provided with time-delay valve.
Preferably, it is fixed at the beginning of the major part being consistent with the size of the major part part of described connecting rod described support platform to be also equipped with
Position seat.
Preferably, it is fixed at the beginning of the microcephaly being consistent with the size of microcephaly's part of described connecting rod described support platform to be also equipped with
Position seat.
This utility model also provides a kind of lathe, positions boring fixture including the big aperture of the connecting rod described in above-mentioned any one.
The big aperture of connecting rod provided by the utility model positions boring fixture, and including support platform, described support platform is up to
Be provided with less for abut with the little head end afterbody technique centre bore of connecting rod the first thimble, for major part with described connecting rod
End face technique centre bore abut the second thimble and for abut with the major part lower surface technique centre bore of described connecting rod the 3rd
Thimble, described first thimble, described second thimble and described 3rd thimble are by pneumatic means control.The big aperture of this connecting rod positions
Boring fixture, by the first thimble, described second thimble and described 3rd thimble described in pneumatic control, automaticity improves, no
Equipment, technique, quality, inspection and operator is needed to take a significant amount of time again, prolonged and repeated calibration equipment, simultaneously as this folder
Tool automatically control high precision so that the connecting rod scrappage that causes of this operation is by (million points of about 1000 PPM of the prior art
One of thousand percent defective) be reduced to about 50 PPM, production efficiency improves, and cost reduces, in addition, this fixture can also be to size
Head bore position deviation or crooked connecting rod carry out redemption process, it is to avoid scrap.
Lathe provided by the utility model is provided with above-mentioned connecting rod big aperture positioning boring fixture, due to the big aperture of described connecting rod
Positioning boring fixture has above-mentioned technique effect, and therefore, the lathe being provided with this connecting rod big aperture positioning boring fixture should also be as with phase
The technique effect answered.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is bar linkage structure schematic diagram；
Fig. 2 is a kind of positioning structural representation of specific embodiment of boring fixture of connecting rod provided by the utility model big aperture
Figure；
Wherein：100- first bearing, 101- first push rod, 102- first thimble, 103- first locking pin, 104- time delay
Valve, 200- second bearing, 201- second push rod, 202- second thimble, 203- second locking pin, 300- three abutments, 301-
In three push rods, 302- the 3rd thimble, 303- the 3rd locking pin, 400- support platform, 500- connecting rod, 501- little head end afterbody technique
Heart hole, 502- major part upper surface technique centre bore, 503- major part lower surface technique centre bore, 504- major part just positioning seat, 505-
Microcephaly's just positioning seat.
Specific embodiment
Core of the present utility model is to provide a kind of connecting rod big aperture positioning boring fixture, and the big aperture of this connecting rod positions boring fixture
Using pneumatic control, positioning precision is high, and labor intensity of operating staff is low, and percent defective significantly reduces.Another core of the present utility model
The heart is to provide a kind of lathe including above-mentioned connecting rod big aperture positioning boring fixture.
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with the accompanying drawings and be embodied as
The utility model is described in further detail for mode.
Refer to Fig. 1 and Fig. 2, Fig. 1 is bar linkage structure schematic diagram；Fig. 2 is the big aperture of connecting rod provided by the utility model
A kind of positioning structural representation of specific embodiment of boring fixture.
In this embodiment, connecting rod big aperture positioning boring fixture includes support platform 400, in support platform 400 at least
It is provided with the first thimble 102, the second thimble 202 and the 3rd thimble 302.
Wherein, the first thimble 102 be used for abutting with the little head end afterbody technique centre bore 501 of connecting rod 500, the second thimble
202 are used for abutting with the major part upper surface technique centre bore 502 of connecting rod 500, and the 3rd thimble 302 is used for the major part with connecting rod 500
Lower surface technique centre bore 503 abuts, and, the first thimble 102, the second thimble 202 and the 3rd thimble 302 are by pneumatic means
Control.
The big aperture of this connecting rod positions boring fixture, by pneumatic control the first thimble 102, the second thimble 202 and the 3rd thimble
302, automaticity improves it is no longer necessary to equipment, technique, quality, inspection and operator take a significant amount of time, prolonged and repeated tune
Calibration equipment, simultaneously as this fixture automatically control high precision so that connecting rod 500 scrappage that causes of this operation is by existing skill
About 1000 PPM (1,000/1000000ths percent defectives) in art are reduced to about 50 PPM, and production efficiency improves, and cost reduces,
In addition, this fixture can also carry out redemption process to concentric reducer hole position deviation or crooked connecting rod 500, it is to avoid scrap.
Further, the fixed installation of thimble for convenience, support platform 400 is also equipped with the first bearing 100, second
Seat 200 and three abutments 300, between the first thimble 102 and the first bearing 100, and the second thimble 202 and the second bearing 200
Between be elastic connection, the 3rd thimble 302 is fixedly connected with three abutments 300.
Preferably, between the first thimble 102 and the first bearing 100, and between the second thimble 202 and the second bearing 200
It is equipped with spring, and, after the corresponding location hole of push rod is abutted with thimble, spring-compressed, with preloading spring power.
Further, after each thimble is abutted with each location hole of connecting rod 500 respectively, need solid to holding out against, prevent connecting rod 500
Move during bore hole, specifically, the first bearing 100 is provided with the first locking pin for locking the first thimble 102
103, the second bearing 200 is provided with the second locking pin 203 for locking the second thimble 202, three abutments 300 are provided with
For locking the 3rd locking pin 303 of the 3rd thimble 302.
Preferably, the first thimble 102, the second thimble 202 and the 3rd thimble 302 are equipped with and corresponding locking pin clamping
Locking slot, it is furthermore preferred that the joint face between each thimble and corresponding locking pin is inclined-plane.
Specifically, the bearing of trend of locking pin can be vertical with the bearing of trend of corresponding thimble, and locking pin transverse shifting, oblique
Under the impetus in face, corresponding thimble is pressed in corresponding connecting rod 500 location hole, realizes connecting rod 500 and fasten.
Further, the movement of locking pin for convenience, the first bearing 100 is provided with for promoting the first locking pin 103
Transverse shifting is provided with for promoting the second locking pin 203 with locking the first push rod 101 of the first thimble 102, the second bearing 200
To lock the second push rod 201 of the second thimble 202, three abutments 300 are provided with for promoting the 3rd locking pin 303 transverse shifting
Transverse shifting is to lock the 3rd push rod 301 of the 3rd thimble 302.
Preferably, the first push rod 101, the second push rod 201 and the 3rd push rod 301 are connected with same cylinder, and cylinder
In air-flow sequentially enter the second push rod 201, the 3rd push rod 301 and the first push rod 101.
In addition, in order to ensure connecting rod 500 reliable lock, the air-flow in cylinder preferably flow through successively the second push rod 201,
3rd push rod 301 and the first push rod 101, successively by the major part upper surface technique centre bore 502 of connecting rod 500, major part lower surface work
Skill centre bore 503 and little head end afterbody technique centre bore 501 are locked.
Specifically, in order to realize above-mentioned locking work successively, the pipeline between cylinder and the first push rod 101 is provided with and prolongs
When valve 104.
On the other hand, it is fixed at the beginning of the major part being consistent with the size of the major part part of connecting rod 500 support platform 400 to be also equipped with
Position seat 504.
Preferably, support platform 400 is also equipped with positioning at the beginning of the microcephaly being consistent with the size of microcephaly's part of connecting rod 500
Seat 505.
The first positioning seat 504 of above-mentioned major part and the setting of the first positioning seat 505 of microcephaly, can be introduced into connecting rod 500 in each thimble
Before public good center positioning hole, sustainable connecting rod 500 auxiliary puts in place, and the thimble after convenience enters location hole, can reduce connecting rod
500 adjustment times, and, improve the positional precision between thimble and location hole.
Specifically, place as shown in Fig. 2 first connecting rod 500 is put into prostration attitude, connecting rod 500 major part bottom and little
Positioning support base at the beginning of one is respectively arranged at head bottom, can support connecting rod 500 before each thimble is introduced into connecting rod 500 public good center positioning hole
Auxiliary puts in place, and the thimble after convenience enters；The little head end afterbody technique centre bore 501 of connecting rod 500 is directed at the first thimble 102 simultaneously
Insertion is close to, and has preloading spring power, and major part upper surface technique centre bore 502 be aligned the second thimble 202 on the upside of major part part is fixed
Position, the major part lower surface technique centre bore 503 on the downside of major part part is directed at the 3rd thimble 302 and positions, and the 3rd thimble 302 is adjustment
Good fixing dead-centre position is it is impossible to move；After the completion of positioning, inching button, this fixture is ventilated, and air-flow first passes through pipeline and enters the
The piston confined space of two push rods 201, promotes the second thimble 202 to enter major part upper surface technique centre bore 502 dieback, Ran Houtong
Crossing time-delay valve 104 controls air-flow to sequentially enter the plunger shaft of the second push rod 201 and the 3rd push rod 301, and air-flow promotes piston, that is, push away
Bar, piston promotes intermediate lateral locking pin again, then passes to corresponding thimble side wall inclined plane locking slot, locks thimble, it is to avoid top
Pin stress rollback, the positioning completing connecting rod 500 to this is stepped up.
Connecting rod big aperture that the present embodiment is provided positioning boring fixture, can be it is impossible to adjusting hole in effectively solving prior art
The problem of position processing is in that context it may be convenient to according to the situation of Product processing, adjustment processing hole position coordinate, rotating speed, feeding etc. are a lot of to be joined
Number, problem connecting rod 500 can be saved and be repaired；Meanwhile, can reduce the big aperture of connecting rod 500 lose circle, roughness overproof, askew
Tiltedly, the quality problems such as knife planted by spring knife, and crudy is more stable, mass defect will not repeatedly；In addition, adopting pneumatic control top
Bar moves, it is to avoid operator take a significant amount of time and adjustment and troubleshooting effort are repeated.
In addition to above-mentioned connecting rod big aperture positioning boring fixture, it is big that this utility model additionally provides a kind of above-mentioned connecting rod of inclusion
Aperture positions the lathe of boring fixture, and other Each part of this lathe refer to prior art, repeat no more herein.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
To connecting rod provided by the utility model, big aperture positioning boring fixture is described in detail above.Used herein
Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help
Understand method of the present utility model and its core concept.It should be pointed out that for those skilled in the art,
On the premise of this utility model principle, this utility model can also be carried out some improve and modify, these improve and
Modification also falls in this utility model scope of the claims.
Claims (10)
1. a kind of big aperture of connecting rod positions boring fixture, including support platform (400) it is characterised in that described support platform (400)
On at least provided with for abut with little head end afterbody technique centre bore (501) of connecting rod (500) the first thimble (102), use
The second thimble (202) of abutting in major part upper surface technique centre bore (502) with described connecting rod (500) and for and described company
The 3rd thimble (302) that major part lower surface technique centre bore (503) of bar (500) abuts, described first thimble (102), described
Second thimble (202) and described 3rd thimble (302) are by pneumatic means control.
2. connecting rod according to claim 1 big aperture positioning boring fixture is it is characterised in that in described support platform (400)
It is also equipped with the first bearing (100), the second bearing (200) and three abutments (300), described first thimble (102) and described the
Between one bearing (100), and it is elastic connection between described second thimble (202) and described second bearing (200), described
3rd thimble (302) is fixedly connected with described three abutments (300).
3. connecting rod according to claim 2 big aperture positioning boring fixture is it is characterised in that on described first bearing (100)
The first locking pin (103) for locking described first thimble (102) is installed, described second bearing (200) is provided with use
In the second locking pin (203) locking described second thimble (202), described three abutments (300) are provided with for locking
State the 3rd locking pin (303) of the 3rd thimble (302).
4. connecting rod according to claim 3 big aperture positioning boring fixture is it is characterised in that described first thimble (102), institute
The locking slot being equipped with corresponding locking pin clamping is stated on the second thimble (202) and described 3rd thimble (302).
5. connecting rod according to claim 4 big aperture positioning boring fixture is it is characterised in that on described first bearing (100)
It is provided with the first push rod for promoting described first locking pin (103) transverse shifting to lock described first thimble (102)
(101), described second bearing (200) is provided with for promoting described second locking pin (203) transverse shifting to lock described
Second push rod (201) of two thimbles (202), described three abutments (300) are provided with for promoting described 3rd locking pin (303)
Transverse shifting is to lock the 3rd push rod (301) of described 3rd thimble (302).
6. connecting rod according to claim 5 big aperture positioning boring fixture is it is characterised in that described first push rod (101), institute
State the second push rod (201) and described 3rd push rod (301) is connected with same cylinder, and the air-flow in described cylinder enters successively
Enter described second push rod (201), described 3rd push rod (301) and described first push rod (101).
7. connecting rod according to claim 6 big aperture positioning boring fixture is it is characterised in that described cylinder pushes away with described first
Time-delay valve (104) is provided with the pipeline between bar (101).
8. the big aperture of the connecting rod according to claim 1 to 7 any one positioning boring fixture is it is characterised in that described support
The major part just positioning seat (504) being consistent with the size of the major part part of described connecting rod (500) is also equipped with platform (400).
9. connecting rod according to claim 8 big aperture positioning boring fixture is it is characterised in that in described support platform (400)
It is also equipped with the microcephaly's just positioning seat (505) being consistent with the size of microcephaly's part of described connecting rod (500).
10. a kind of lathe, positions boring fixture including the big aperture of connecting rod it is characterised in that the big aperture of described connecting rod positions boring fixture
The big aperture of connecting rod described in claim 1 to 9 any one positions boring fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786828.9U CN205996608U (en) | 2016-07-25 | 2016-07-25 | A kind of lathe and its connecting rod big aperture positioning boring fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786828.9U CN205996608U (en) | 2016-07-25 | 2016-07-25 | A kind of lathe and its connecting rod big aperture positioning boring fixture |
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| Publication Number | Publication Date |
|---|---|
| CN205996608U true CN205996608U (en) | 2017-03-08 |
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ID=58200983
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620786828.9U Active CN205996608U (en) | 2016-07-25 | 2016-07-25 | A kind of lathe and its connecting rod big aperture positioning boring fixture |
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| CN (1) | CN205996608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408969A (en) * | 2020-03-31 | 2020-07-14 | 重庆万斯金属特种成形有限公司 | Positioning fixture for connecting rod machining center |
-
2016
- 2016-07-25 CN CN201620786828.9U patent/CN205996608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408969A (en) * | 2020-03-31 | 2020-07-14 | 重庆万斯金属特种成形有限公司 | Positioning fixture for connecting rod machining center |
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