CN106246398A - A kind of cylinder cap of single-cylinder diesel engine and processing technique thereof - Google Patents
A kind of cylinder cap of single-cylinder diesel engine and processing technique thereof Download PDFInfo
- Publication number
- CN106246398A CN106246398A CN201610728428.7A CN201610728428A CN106246398A CN 106246398 A CN106246398 A CN 106246398A CN 201610728428 A CN201610728428 A CN 201610728428A CN 106246398 A CN106246398 A CN 106246398A
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- China
- Prior art keywords
- cylinder
- hole
- core
- diesel engine
- collar aperture
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4228—Helically-shaped channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/08—Moulding machines for making moulds or cores of particular shapes for shell moulds or shell cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4285—Shape or arrangement of intake or exhaust channels in cylinder heads of both intake and exhaust channel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of cylinder cap of single-cylinder diesel engine and processing technique thereof, including cylinder cover, it is arranged on cylinder body, described cylinder cover is provided with air intake duct, exhaust duct, jogger hole and the installing hole that can cylinder cover and cylinder body be linked together, in described air intake duct is arranged to make it, oil gas obtains well-mixed helical channel structure, it is additionally provided with the air inlet seat collar aperture communicated with air intake duct and the exhaust seat collar aperture communicated with exhaust duct on described cylinder cover, between described air intake duct and exhaust duct, is provided with hole, location.This new single cylinder cylinder cover for diesel engine and processing technique thereof, use resin-coated sand shell mould technique and through pinpoint process for machining, improve the precision of this new single cylinder cylinder cover for diesel engine so that air inlet performance inconsistency is less, meet state three machine air port performance requirement.
Description
Technical field:
The present invention relates to a kind of cylinder cap of single-cylinder diesel engine and processing technique thereof.
Background technology:
Single cylinder diesel simple in construction, organization of production is comparatively easy, and price is cheap, has gradually formed with Chinese characteristics
Single cylinder engine ranks, it is suitable for the national conditions that the purchasing power in the long-term use habit in China rural area and current rural area is relatively low, but single cylinder
Price competition that diesel engine is low and product homogeneity and low-level repetition also make what enterprise technology upgraded to be short of power, and
Environmental regulation increasingly stringent in recent years, must reach state III on the October 1st, 16 that is emitted on of non-road single cylinder diesel before
Standard, can not sell the diesel engine less than national Ⅲ emission again, and current domestic single cylinder diesel is demarcated before on April 1st, 2016
Power is bigger than normal, causes the reliability of product, discharge performance to be deteriorated, and uses oil consumption high, thus can not in use energy-saving and emission-reduction, because of
This, the demarcation diesel engine power of science answered by a new generation's single cylinder diesel, and designs fuel limit device, the crucial skill of research emission controls by improving combustion
Art, reduces discharge, by the matching optimization of injection system, air exchange system and chamber structure, especially by improving single cylinder bavin
The system optimization of oil machine injection system, combustion process carry out Optimization of Diesel Engine combination property.
State Ⅲ emission standard is at CO, NO2, have tightened up requirement on HC and particulate matter, tradition entering and exhaust channel can not be very
Good meets requirement, and Diesel Engine Complete Machine performance particularly discharge value is affected very greatly, in order to ensure entering by the stable of inlet characteristic
The fluctuation (referring mainly to induction swirl ratio, charge flow rate coefficient) of gas performance is less than 5%, needs inlet structure and processing thereof
Technique does improvement further.
Summary of the invention:
The technical problem to be solved is to provide a kind of air and mixes with fuel oil more abundant, and efficiency of combustion is higher, favorably
In the cylinder cap of single-cylinder diesel engine and the processing technique thereof that reduce oil consumption.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of cylinder cap of single-cylinder diesel engine, including cylinder cover, is arranged on cylinder body, is provided with air inlet on described cylinder cover
Road, exhaust duct, jogger hole and the installing hole that can cylinder cover and cylinder body be linked together, described air intake duct is arranged to make
In it, oil gas obtains well-mixed helical channel structure, and described cylinder cover is additionally provided with the gas inlet seat ring communicated with air intake duct
Hole and the exhaust seat collar aperture communicated with exhaust duct, be provided with hole, location between described air intake duct and exhaust duct.
As preferably, a diameter of 50mm of described air inlet seat collar aperture, a diameter of 45mm of exhaust seat collar aperture.
As preferably, described air inlet seat collar aperture and exhaust seat collar aperture centre-to-centre spacing D are 55mm.
The processing technique of a kind of cylinder cap of single-cylinder diesel engine, including casting technique and the process for machining of cylinder head, institute
Stating casting technique is resin-coated sand shell mould technique, and described process for machining first carries out blank hole location by flexibility location mode and enters
Row machining.
As preferably, described resin-coated sand shell mould technique, including attic base core, air intake duct core, exhaust duct core, water channel sand
Core, jogger hole core and installing hole core, core on the basis of described attic base core, other core is all on the basis of attic base core, the most fixed
It is positioned at attic base core；After air intake duct core and exhaust duct core are glued on attic base core, standard cubing is used to check its position degree；Institute
Stating attic base core to be positioned in sand mold by double, upper mo(u)ld bottom half position degree is in 0.2mm.
As preferably, in the process for machining of described cylinder head, first air inlet blank hole and aerofluxus blank hole are positioned, processing
Upper plane positioning hole；Above plane, hole, location location processing lower plane air inlet seat collar aperture and exhaust seat collar aperture；Air inlet seat collar aperture and
The processing hole of exhaust seat collar aperture and blank hole ensuring coaxiality are within 0.3mm, and airway parameters fluctuation is less than 3%.
Compared with prior art, usefulness of the present invention is: this cylinder cap of single-cylinder diesel engine and processing technique thereof, adopts
Making air mix with fuel oil with screw air inlet pipe more abundant, efficiency of combustion is higher, and charge flow rate increases, air inflow
Increase and advantageously reduce oil consumption；It is machined out technique again produces by resin-coated sand shell mould cast and process flexibility location
Novel steam cylinder cap, substantially increase the precision of cylinder head, and guarantee that the fluctuation of air inlet performance is less, meet state three machine air flue
Performance requirement.
Accompanying drawing illustrates:
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the front cross-sectional structural representation of the present invention；
Fig. 2 is the plan structure schematic diagram of the present invention.
In figure: 1, cylinder cover；2, air intake duct；21, air inlet seat collar aperture；3, exhaust duct；31, exhaust seat collar aperture；4, push rod
Hole；5, installing hole；6, hole, location.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and detailed description of the invention describes the present invention:
A kind of cylinder cap of single-cylinder diesel engine and processing technique thereof, as shown in Figure 1 and Figure 2, including cylinder cover 1, be arranged on cylinder body
On, described cylinder cover 1 is provided with air intake duct 2, exhaust duct 3, jogger hole 4 and cylinder cover 1 can be connected to cylinder body
Installing hole 5 together, in described air intake duct 2 is arranged to make it, oil gas obtains well-mixed helical channel structure, described gas
The air inlet seat collar aperture 21 communicated with air intake duct 2 and the exhaust seat collar aperture 31 communicated with exhaust duct 3 it is additionally provided with on cylinder body 1, described
Hole 6, location it is provided with between air intake duct 2 and exhaust duct 3；A diameter of 50mm of described air inlet seat collar aperture 21, exhaust seat collar aperture 31
A diameter of 45mm, and air inlet seat collar aperture 21 and exhaust seat collar aperture 31 centre-to-centre spacing D is 55mm；For above-mentioned new single cylinder diesel engine
The manufacture of cylinder head uses resin-coated sand shell mould technique to carry out casting and machining processing technique, described resin-coated sand shell mould work
Skill, including attic base core, air intake duct core, exhaust duct core, water channel sand cores, jogger hole core and installing hole core, described attic base
Core on the basis of core, other core, all on the basis of attic base core, is all positioned attic base core；Air intake duct core and exhaust duct core glue
After being combined on attic base core, standard cubing is used to check its position degree；Described attic base core is positioned in sand mold by double, upper mo(u)ld bottom half position
Degree of putting is in 0.2mm；In described process for machining, first air inlet blank hole and aerofluxus blank hole are positioned, plane positioning in processing
Hole；Above plane, hole, location location processing lower plane air inlet seat collar aperture and exhaust seat collar aperture；Air inlet seat collar aperture and exhaust seat collar aperture
Processing hole and blank hole ensuring coaxiality within 0.3mm, airway parameters fluctuation less than 3%, by this processing technique relatively with
Past process intake and exhaust seat ring hole in plane and two pits location mode and substantially increase the precision of this single cylinder diesel cylinder cover, and
Meet state three machine air port performance requirement.
It is emphasized that: be the most only presently preferred embodiments of the present invention, not the present invention is made any in form
Restriction, any simple modification, equivalent variations and the modification that above example is made by every technical spirit according to the present invention,
All still fall within the range of technical solution of the present invention.
Claims (6)
1. a cylinder cap of single-cylinder diesel engine, including cylinder cover (1), is arranged on cylinder body, sets on described cylinder cover (1)
There are air intake duct (2), exhaust duct (3), jogger hole (4) and the installing hole that cylinder cover (1) can be linked together with cylinder body
(5), it is characterised in that: in described air intake duct (2) is arranged to make it, oil gas obtains well-mixed helical channel structure, described
The air inlet seat collar aperture (21) communicated with air intake duct (2) and the exhaust seat ring communicated with exhaust duct (3) it is additionally provided with on cylinder cover (1)
Hole (31), is provided with hole, location (6) between described air intake duct (2) and exhaust duct (3).
Cylinder cap of single-cylinder diesel engine the most according to claim 1, it is characterised in that: the diameter of described air inlet seat collar aperture (21)
For 50mm, a diameter of 45mm of exhaust seat collar aperture (31).
Cylinder cap of single-cylinder diesel engine the most according to claim 1 and 2, it is characterised in that: described air inlet seat collar aperture (21) and
Exhaust seat collar aperture (31) centre-to-centre spacing D is 55mm.
4. a processing technique for cylinder cap of single-cylinder diesel engine, including casting technique and the process for machining of cylinder head, it is special
Levying and be: described casting technique is resin-coated sand shell mould technique, described process for machining first carries out blank by flexibility location mode
Location, hole is machined out again.
The processing technique of cylinder cap of single-cylinder diesel engine the most according to claim 3, it is characterised in that: described resin-coated sand shell mould
Technique, including attic base core, air intake duct core, exhaust duct core, water channel sand cores, jogger hole core and installing hole core, described seat
Core on the basis of hub, other core, all on the basis of attic base core, is all positioned attic base core；Air intake duct core and exhaust duct core
After being glued on attic base core, standard cubing is used to check its position degree；Described attic base core is positioned in sand mold by double, upper mo(u)ld bottom half
Position degree is in 0.2mm.
The processing technique of cylinder cap of single-cylinder diesel engine the most according to claim 3, it is characterised in that: the machine of described cylinder head adds
In work technique, first air inlet blank hole and aerofluxus blank hole are positioned, plane positioning hole in processing；Above plane, location, hole, location
Processing lower plane air inlet seat collar aperture and exhaust seat collar aperture；The processing hole of air inlet seat collar aperture and exhaust seat collar aperture and blank hole axiality
Ensureing within 0.3mm, airway parameters fluctuation is less than 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728428.7A CN106246398A (en) | 2016-08-26 | 2016-08-26 | A kind of cylinder cap of single-cylinder diesel engine and processing technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728428.7A CN106246398A (en) | 2016-08-26 | 2016-08-26 | A kind of cylinder cap of single-cylinder diesel engine and processing technique thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106246398A true CN106246398A (en) | 2016-12-21 |
Family
ID=57595545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610728428.7A Pending CN106246398A (en) | 2016-08-26 | 2016-08-26 | A kind of cylinder cap of single-cylinder diesel engine and processing technique thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246398A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102712A (en) * | 2019-06-20 | 2019-08-09 | 淄柴动力有限公司 | The anti-shrinkage porosite casting method of cylinder head casting |
| CN113547085A (en) * | 2021-07-05 | 2021-10-26 | 安徽铸机机械智能有限公司 | Aluminum mould tectorial membrane sand system shell machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913638Y (en) * | 2006-07-06 | 2007-06-20 | 广西玉柴机器股份有限公司 | Single-cylinder four-spiracle diesel engine air flue |
| CN101817061A (en) * | 2010-05-17 | 2010-09-01 | 奇瑞汽车股份有限公司 | Sand core structure for precasting high-pressure oil channel of engine cylinder cover and precasting method |
| CN104368762A (en) * | 2014-09-22 | 2015-02-25 | 广西玉柴机器股份有限公司 | Aluminum alloy diesel engine cylinder cover casting method |
| CN204239083U (en) * | 2014-09-03 | 2015-04-01 | 江阴市龙泰机械有限公司 | A kind of cylinder head sub-assembly |
| CN105089842A (en) * | 2015-08-28 | 2015-11-25 | 江苏武蕾机械有限公司 | Single cylinder diesel cylinder cover with cylinder barrel and machining method thereof |
| CN205190054U (en) * | 2015-12-21 | 2016-04-27 | 浙江合达铝业有限公司 | Energy saving and emission reduction's novel cylinder head |
| CN205936872U (en) * | 2016-08-26 | 2017-02-08 | 江苏武蕾机械有限公司 | Single -cylinder diesel cylinder cover |
-
2016
- 2016-08-26 CN CN201610728428.7A patent/CN106246398A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913638Y (en) * | 2006-07-06 | 2007-06-20 | 广西玉柴机器股份有限公司 | Single-cylinder four-spiracle diesel engine air flue |
| CN101817061A (en) * | 2010-05-17 | 2010-09-01 | 奇瑞汽车股份有限公司 | Sand core structure for precasting high-pressure oil channel of engine cylinder cover and precasting method |
| CN204239083U (en) * | 2014-09-03 | 2015-04-01 | 江阴市龙泰机械有限公司 | A kind of cylinder head sub-assembly |
| CN104368762A (en) * | 2014-09-22 | 2015-02-25 | 广西玉柴机器股份有限公司 | Aluminum alloy diesel engine cylinder cover casting method |
| CN105089842A (en) * | 2015-08-28 | 2015-11-25 | 江苏武蕾机械有限公司 | Single cylinder diesel cylinder cover with cylinder barrel and machining method thereof |
| CN205190054U (en) * | 2015-12-21 | 2016-04-27 | 浙江合达铝业有限公司 | Energy saving and emission reduction's novel cylinder head |
| CN205936872U (en) * | 2016-08-26 | 2017-02-08 | 江苏武蕾机械有限公司 | Single -cylinder diesel cylinder cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102712A (en) * | 2019-06-20 | 2019-08-09 | 淄柴动力有限公司 | The anti-shrinkage porosite casting method of cylinder head casting |
| CN113547085A (en) * | 2021-07-05 | 2021-10-26 | 安徽铸机机械智能有限公司 | Aluminum mould tectorial membrane sand system shell machine |
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Application publication date: 20161221 |
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