CN106346041B - A kind of processing of piston-pin boss eye is with guide locating device provided - Google Patents
A kind of processing of piston-pin boss eye is with guide locating device provided Download PDFInfo
- Publication number
- CN106346041B CN106346041B CN201610962940.8A CN201610962940A CN106346041B CN 106346041 B CN106346041 B CN 106346041B CN 201610962940 A CN201610962940 A CN 201610962940A CN 106346041 B CN106346041 B CN 106346041B
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- Prior art keywords
- guide
- hole
- piston
- level board
- nut
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
-
- 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
- B23B2247/00—Details of drilling jigs
- B23B2247/12—Drilling jigs with means to affix the jig to the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention discloses a kind of processing of piston-pin boss eye with guide locating device provided, including level board, bearing, upper guide pad, lower mounting bar；Bearing is perpendicular to level board and is arranged on level board；Homonymy of the upper guide pad with lower mounting bar in bearing is arranged；One end of upper guide pad is connect with the upper end of bearing side, and the other end of upper guide pad is horizontal to extend outwardly；One end of lower mounting bar is connect with the lower end of bearing side, and the other end of lower mounting bar is horizontal to extend outwardly；The first guide through hole penetrated through from top to bottom, the second guide through hole are offered in guiding；The corresponding third guide through hole of penetrate through from top to bottom and the first guide through hole, the 4th guide through hole corresponding with the second guide through hole are provided on lower mounting bar.The present invention has the advantages that avoid the appearance of ellipse eyelet when jewel hole, improves product quality, reduces rejection rate.
Description
Technical field
The present invention relates to piston technical fields more particularly to a kind of piston-pin boss eye to process with guide locating device provided.
Background technology
Piston can be mainly divided into three piston top, piston head and piston skirt parts.The main function of piston is subject to vapour
Combustion pressure in cylinder, and this power is transmitted to bent axle by piston pin and connecting rod.
Piston top is the component part of combustion chamber, thus different shapes is often made, and piston of gasoline engine uses flat-top at most
Or concave crown, to keep chamber structure compact, heat dissipation area is small, and manufacturing process is simple.Piston crown is piston boss or more
Part, piston crown ring installation to prevent high temperature, high-pressure gas from scurrying into crankcase, while preventing machine oil from scurrying into combustion chamber.
Piston ring groove all parts below are known as piston skirt.It is to guide piston reciprocating in the cylinder and bear side pressure that it, which is acted on,
Power.
Piston is after preliminary working, according to the requirement of client, needs to carry out jewel hole processing to pin hole seat.Traditional jewel hole side
Mostly manually jewel hole (naked eyes look at method straight) is added but if occurring requiring point-device piston kind using existing formula
Work mode can cause positioning datum to be difficult to determine, cause two pin hole seat eye distances from being difficult to control, and the long amplitude of fluctuation of drill bit is larger, from
And there is oval defect, influence appearance surfaces and the normal quality of production and efficiency.
Invention content
In view of the deficiencies of the prior art, the present invention provides it is a kind of avoid jewel hole when ellipse eyelet appearance, improve product
Quality, the piston-pin boss eye for reducing rejection rate are processed with guide locating device provided.
The present invention is realized by following technological means solves above-mentioned technical problem：A kind of processing of piston-pin boss eye is with leading
To positioning device, including level board, bearing, upper guide pad, lower mounting bar；The bearing perpendicular to the level board and setting exist
On the level board；Homonymy of the upper guide pad with the lower mounting bar in the bearing is arranged；The one of the upper guide pad
End is connect with the upper end of the bearing side, and the other end of the upper guide pad is horizontal to extend outwardly；The lower mounting bar
One end connect with the lower end of the bearing side, the other end of the lower mounting bar is horizontal to extend outwardly；On described
Guide pad offers the first guide through hole penetrated through from top to bottom, the second guide through hole；It is provided on the lower mounting bar certainly
The corresponding third guide through hole of upper and lower perforation and described first guide through hole, with second guide through hole the corresponding 4th
Guide through hole.
Preferably：In first guide through hole, the second guide through hole, third guide through hole, the 4th guide through hole
It is arranged with guide sleeve.
Preferably：The upper and lower ends of the bearing side offer upper installing hole, lower mounting hole respectively；The upper guide pad
In the end set of one end that is connect with the bearing side have upper screw rod, connect with the bearing side in the lower mounting bar
The end set of one end have lower screw rod；The upper screw rod stretches out the upper installing hole, and is arranged on the upper screw rod
First nut, upper second nut；Upper first nut, upper second nut are located at the both sides of the upper installing hole；It is described
Lower screw rod stretches out the lower mounting hole, and lower first nut, lower second nut are arranged on the lower screw rod；Described lower first
Nut, lower second nut are located at the both sides of the lower mounting hole.
Preferably：The bottom of the level board is provided with substrate；The level board can be moved relative to the substrate, described
The moving direction of level board and the lower mounting bar are radial parallel.
Preferably：Perforative level board pilot hole from top to bottom is provided in the level board, the level board is oriented to
The guide direction in hole and the lower mounting bar are radial parallel；It is provided with screw thread slot on the substrate, the screw rod end of bolt is worn
The level board pilot hole is crossed to stretch in the screw thread slot.
Preferably：The level board pilot hole is kidney-shaped counterbore.
The advantage of the invention is that：The present invention is risen by the way that piston to be processed is placed in mounting bar in a manner of interspersed
To the effect for facilitating installation.Due to opening up the first guide through hole, the second guide through hole on upper guide pad, on lower mounting bar on
Third guide through hole, the 4th guide through hole are opened up, by the guiding role of guide through hole, facilitates the alignment of drill bit, improves processing
Precision, compared with prior art, avoid due to caused by bit vibration, swing processing tilt, elliptic pin hole seat eye
Appearance.
Further, it is arranged in the first guide through hole, the second guide through hole, third guide through hole, the 4th guide through hole
There is guide sleeve.Guide sleeve is preferably rubber sleeve.When using drill bit in this way, would not occur swinging larger, further prevent occurring
The phenomenon that elliptic pin hole seat eye.
Further, it by pushing level board, can realize in the guide range of level board pilot hole along lower mounting bar
It radially slides, to realize the adjustment of horizontal Board position.
Description of the drawings
Fig. 1 is the topology example figure of the embodiment of the present invention.
Fig. 2 is stereogram guide locating device provided in the embodiment of the present invention.
Fig. 3 is side structure schematic diagram guide locating device provided in the embodiment of the present invention.
Fig. 4 is the guide locating device provided structural schematic diagram under vertical view state in the embodiment of the present invention.
Specific implementation mode
To further describe the present invention, it is described further with reference to embodiment.
As shown in Figs 1-4, the present embodiment includes double drill bit drilling machines, further includes guide locating device provided, guide locating device provided packet
Include level board 2, bearing 3, upper guide pad 4, lower mounting bar 5, flexible clamp assemblies on Drilling machines bench.Bearing 3 perpendicular to
Level board 2 and be arranged on level board 2.Homonymy of the upper guide pad 4 with lower mounting bar 5 in bearing 3 is arranged.The one of upper guide pad 4
End is connect with the upper end of 3 side of bearing, and the other end of upper guide pad 4 is horizontal to extend outwardly.Lower mounting bar 5 is installing work
Plug, lower 5 one end of mounting bar are connect with the lower end of 3 side of bearing, and the other end of lower mounting bar 5 is horizontal to extend outwardly.It is leading
The first guide through hole 61 penetrated through from top to bottom, the second guide through hole 62 are offered on block 4.It is provided on lower mounting bar 5
The corresponding third guide through hole 71 of penetrate through from top to bottom and the first guide through hole 61, with the second guide through hole 62 the corresponding 4th
Guide through hole 72.Flexible clamp assemblies include telescopic device 81, clamping piece.The telescopic end of telescopic device 81 is connect with clamping piece,
Clamping piece is to clamp piston.
In order to ensure the accurate realization of jewel hole, a drill bit 11 and the first guide through hole 61 in two drill bits of the invention,
Third guide through hole 71 corresponds to, another drill bit 12 and the second guide through hole 62, the 4th guide through hole 72.
The present invention ensures opening for piston by penetrating two pin holes of piston 100 to be processed into lower mounting bar 5
Mouthful end upward, top down.To which piston to be processed to be placed in lower mounting bar 5, in order to further increase the flat of placement
Stability can be such that 100 top of piston of processing is contacted with level board 2.The position of piston 100 to be processed is adjusted, ensures third
Guide through hole 71 is corresponding with the center of a pin hole seat in piston 100 to be processed, the 4th guide through hole 72 with it is to be processed
The center of another pin hole seat in piston 100 corresponds to.At this point, starting telescopic device 81, its telescopic end is made to extend, drives clamping
Part elongation is until clamping piece clamps the side of piston 100 to be processed.Start double drill bit drilling machines, ensures that two drill bits are worn respectively
The first guide through hole 61, the second guide through hole 62 are crossed, respectively to being bored at the top of two pin hole seats of piston 100 to be processed
, after the completion of jewel hole, two drill bits are each passed through third guide through hole 71, the 4th guide through hole 72, then to piston to be processed
The bottom of 100 two pin hole seats carries out jewel hole, completes jewel hole technique.
The present invention plays the effect for facilitating installation by the way that piston to be processed is placed in mounting bar 5 in a manner of interspersed.
Due to opening up the first guide through hole 61, the second guide through hole 62 on upper guide pad 4, on lower mounting bar 5 on open up third and lead
The alignment of drill bit is facilitated by the guiding role of guide through hole to through-hole 71, the 4th guide through hole 72, improves the accurate of processing
Degree is avoided due to processing inclination, the appearance of elliptic pin hole seat eye caused by bit vibration, swing compared with prior art.
By the clamping action for the clamp assemblies that stretch, the stationarity of piston to be processed in jewel hole is improved, prevents from leading because of mechanical shock
The piston displacement of cause and cause processing pin hole seat eye position deviation the phenomenon that.
In some embodiments：Clamping piece includes the first grip block 821, the second grip block 822.First grip block 821,
Two grip blocks 822 are oppositely arranged on the both sides of lower mounting bar 5.Wherein, the opposite face of the first grip block 821, the second grip block 822
Tool is inclined surface.
Since piston is cylindrical shape, cross section is circle, and traditional clamping piece is such as gone with two pieces of tablets of symmetric design
Clamp piston, in the phenomenon that clamping in actual work, can be caused unstable.And the clamping piece with inclined surface, can be in that splayed is pressed from both sides
Hold piston to be processed so that clamping effect more fastens.
In some embodiments：Nylon rod 83 or rubber bar are provided on inclined surface.
Nylon rod, plastic rod can generate certain deformation, avoid, in clamping, contacting between grip block and piston, in work
It is generated on the outer wall of plug and squeezes trace；Or due to rigid contact, it is difficult to fasten piston.
In some embodiments：Telescopic device 81 is cylinder, is connected by female part 89 between cylinder and clamping piece.First
Grip block 821, the second grip block 822 are connected on female part 89, and the tailpiece of the piston rod of cylinder is connect with lead screw 84 is oriented to, guide wire
Bar 84 stretches out the sunk area of female part 89, and the first fastening nut (not indicated in figure), the are set on being oriented to lead screw 84
Two fastening nuts (do not indicate) in figure, and the first fastening nut, the second fastening nut are located at the both sides of sunk area.
By tightening the first fastening nut, the second fastening nut so that the first fastening nut, the second fastening nut are pressed respectively
The two sides of tight sunk area, to realize that being oriented to lead screw 84 is fastened on female part 89.The piston rod movement drive of cylinder is led
It is moved to lead screw 84, is oriented to the movement of lead screw 84 and female part 89 is driven to move, the movement of female part 89 drives the first grip block 821, the
Two grip blocks 822 move.Connection type using the present invention, meeting clamping piece and on the basis of being detachably connected of cylinder,
It can realize the accuracy that clamping piece is combined with cylinder.
In some embodiments：Guide rail 9 is additionally provided on level board 2, end and the sliding of guide rail 9 of female part 89 are matched
It closes.The setting of guide rail 9 can meet the consistency of 89 each movement locus of female part, guard against deviations.
In some embodiments：It is led in the first guide through hole 61, the second guide through hole 62, third guide through hole the 71, the 4th
Guide sleeve 10 is arranged with into through-hole 72.Guide sleeve 10 is preferably rubber sleeve.When using drill bit in this way, it would not swing
It is larger, further prevent the phenomenon that elliptic pin hole seat eye occur.
In some embodiments：The upper and lower ends of 3 side of bearing offer upper installing hole, lower mounting hole respectively.Upper guiding
The end set of the one end being connect with 3 side of bearing in block 4 has upper screw rod 101, is connect with 3 side of bearing in lower mounting bar 5
The end set of one end has lower screw rod 102.Upper screw rod 101 stretches out upper installing hole, and upper first spiral shell is arranged on upper screw rod 101
Mother 103, upper second nut 104.Upper first nut 103, upper second nut 104 are located at the both sides of upper installing hole.Lower screw rod
102 stretch out lower mounting hole, and lower first nut 105, lower second nut 106 are arranged on lower screw rod 102.Lower first nut
105, lower second nut 106 is located at the both sides of lower mounting hole.
The present invention upper first nut 103, upper second nut 104 match close screw rod 101 be for fastening upper guide pad 4,
Screw rod 102 is for fastening lower mounting bar 5 under lower first nut 105, lower second nut 106 cooperation.Due to the first of the present invention
Nut, upper second nut 104 match the work for closing screw rod 101 and screw rod 102 under lower first nut 105, lower second nut 106 cooperation
Identical with, principle, the first nut that the present invention is directed to, upper second nut 104 are introduced with closing screw rod 101.
The present invention is by tightening upper first nut 103, upper second nut 104 so that upper first nut 103, upper second spiral shell
Mother 104 is pressed on the both sides of upper installing hole, and the friction increased between upper first nut 103, upper second nut 104 and bearing 3 is imitated
Fruit, thus by 4 Quick fastening of upper guide pad on bearing 3.
In some embodiments：The bottom of level board 2 is provided with substrate 107.It is provided with from top to bottom in level board 2
Perforative level board pilot hole 109, the guide direction of level board pilot hole 109 and lower mounting bar 5 are radial parallel.In substrate 107
On be provided with screw thread slot, the screw rod end of bolt 108 is stretched to across level board pilot hole 109 in screw thread slot.
By tightening bolt 108 so that level board is realized at the both ends of the head level of compression plate pilot hole 109 of bolt 108
Fastening between 2 and substrate 107.By unscrewing bolt 108 so that the head of bolt 108 is detached from the two of level board pilot hole 109
End realizes that level board 2 can be the activity relatively between substrate 107.By pushing level board 2, can realize in level board pilot hole
Radially sliding along lower mounting bar 5 in 109 guide range, to realize the adjustment of 2 position of level board.
In some embodiments：Level board pilot hole 109 is kidney-shaped counterbore.The head that counterbore can meet bolt 108 is abundant
Embedment is wherein.
The preferred embodiment that these are only the invention is not intended to limit the invention creation, all in the present invention
All any modification, equivalent and improvement etc., should be included in the guarantor of the invention made by within the spirit and principle of creation
Within the scope of shield.
Claims (6)
1. a kind of piston-pin boss eye is processed with guide locating device provided, it is characterised in that：Including level board, bearing, upper guide pad,
Lower mounting bar；The bearing is perpendicular to the level board and is arranged on the level board；The upper guide pad and the lower peace
The homonymy that stick is filled in the bearing is arranged；One end of the upper guide pad is connect with the upper end of the bearing side, it is described on lead
Horizontal extend outwardly to the other end of block；One end of the lower mounting bar is connect with the lower end of the bearing side, described
The other end of lower mounting bar is horizontal to extend outwardly；It offers first penetrated through from top to bottom in the upper guide pad and is oriented to and lead to
Hole, the second guide through hole；Be provided on the lower mounting bar penetrate through from top to bottom it is corresponding with first guide through hole
Third guide through hole, the 4th guide through hole corresponding with second guide through hole.
2. piston-pin boss eye according to claim 1 is processed with guide locating device provided, it is characterised in that：Described first
It is arranged with guide sleeve in guide through hole, the second guide through hole, third guide through hole, the 4th guide through hole.
3. piston-pin boss eye according to claim 1 is processed with guide locating device provided, it is characterised in that：The bearing side
The upper and lower ends in face offer upper installing hole, lower mounting hole respectively；One connect with the bearing side in the upper guide pad
The end set at end has upper screw rod, the end set of the one end being connect with the bearing side in the lower mounting bar to have lower spiral shell
Bar；The upper screw rod stretches out the upper installing hole, and upper first nut, upper second nut are arranged on the upper screw rod；Institute
State the first nut, upper second nut is located at the both sides of the upper installing hole；The lower screw rod stretches out the lower mounting hole,
And lower first nut, lower second nut are arranged on the lower screw rod；Lower first nut, lower second nut are located at
The both sides of the lower mounting hole.
4. piston-pin boss eye according to claim 1 is processed with guide locating device provided, it is characterised in that：In the level
The bottom of plate is provided with substrate；The level board can be moved relative to the substrate, the moving direction of the level board with it is described under
Mounting bar is radial parallel.
5. piston-pin boss eye according to claim 4 is processed with guide locating device provided, it is characterised in that：In the level
Perforative level board pilot hole from top to bottom, the guide direction of the level board pilot hole and the lower mounting bar are provided in plate
It is radial parallel；It is provided with screw thread slot on the substrate, the screw rod end of bolt stretches to institute across the level board pilot hole
It states in screw thread slot.
6. piston-pin boss eye according to claim 5 is processed with guide locating device provided, it is characterised in that：The level board
Pilot hole is kidney-shaped counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962940.8A CN106346041B (en) | 2016-10-28 | 2016-10-28 | A kind of processing of piston-pin boss eye is with guide locating device provided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962940.8A CN106346041B (en) | 2016-10-28 | 2016-10-28 | A kind of processing of piston-pin boss eye is with guide locating device provided |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106346041A CN106346041A (en) | 2017-01-25 |
| CN106346041B true CN106346041B (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610962940.8A Active CN106346041B (en) | 2016-10-28 | 2016-10-28 | A kind of processing of piston-pin boss eye is with guide locating device provided |
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| CN (1) | CN106346041B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454259A (en) * | 2018-09-26 | 2019-03-12 | 安徽省恒泰动力科技有限公司 | A kind of New Guide Device of aluminum piston Boring |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4294789B2 (en) * | 1999-05-07 | 2009-07-15 | 本田技研工業株式会社 | Piston pin clip insertion device |
| US6760961B2 (en) * | 2002-02-12 | 2004-07-13 | Focus: Hope | Piston machining |
| CN201856110U (en) * | 2010-10-31 | 2011-06-08 | 东风汽车零部件(集团)有限公司 | Hinged piston head drilling fixture |
| CN103894832B (en) * | 2014-03-27 | 2017-03-08 | 浙江道森活塞制造有限公司 | The processing unit (plant) of pin-and-hole and pin-and-hole internal jump ring groove on a kind of internal combustion engine |
| CN204584342U (en) * | 2015-04-13 | 2015-08-26 | 东风活塞轴瓦有限公司 | Steel pistons noncircular pin hole special processing equipment |
| CN105834813B (en) * | 2016-06-07 | 2017-12-19 | 安徽省恒泰动力科技有限公司 | A kind of positioning pedestal for piston pin hole heavy boring |
| CN106002267B (en) * | 2016-06-17 | 2020-02-21 | 泉州联拓机械有限公司 | Chain piece clamping device and chain piece processing equipment with same |
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2016
- 2016-10-28 CN CN201610962940.8A patent/CN106346041B/en active Active
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| Publication number | Publication date |
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| CN106346041A (en) | 2017-01-25 |
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