CN109519538A - For improving the technique cylinder head of four-cylinder cylinder holes deformation and the method for honing cylinder holes - Google Patents
For improving the technique cylinder head of four-cylinder cylinder holes deformation and the method for honing cylinder holes Download PDFInfo
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- CN109519538A CN109519538A CN201910002276.6A CN201910002276A CN109519538A CN 109519538 A CN109519538 A CN 109519538A CN 201910002276 A CN201910002276 A CN 201910002276A CN 109519538 A CN109519538 A CN 109519538A
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- holes
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- 238000000034 method Methods 0.000 title claims abstract description 100
- 230000008569 process Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003752 improving hair Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of technique cylinder head of improvement four-cylinder cylinder holes deformation, which includes: technique cylinder head ontology；Multiple cutters pass in and out unthreaded hole, and plurality of cutter disengaging unthreaded hole is arranged on technique cylinder head ontology, and the quantity that cutter passes in and out unthreaded hole is identical as cylinder number, and cutter passes in and out unthreaded hole and carries out honing to cylinder holes for honing head；And process gas cylinder bolt hole, process gas cylinder bolt hole are uniformly arranged on around each cutter disengaging unthreaded hole, process gas cylinder bolt hole is for accommodating fixing bolt；Wherein, technique cylinder head is fixed in cylinder block by fixing bolt；And wherein, technique cylinder head and practical cylinder head have similar rigidity, and practical cylinder head is used to form engine with cylinder block；And wherein, process gas cylinder bolt hole mounting surface height is consistent with practical cylinder bolt mounting surface height.Technique cylinder head of the invention improves engine performance and reliability.
Description
Technical field
The present invention relates to technical field of engines, especially with regard to a kind of for improving the technique of four-cylinder cylinder holes deformation
The method of cylinder head and honing cylinder holes.
Background technique
Cylinder holes is the space of gas compression burning and expansion work, is assembled in operational process, under the effect of cylinder bolt power,
Certain deformation can occur for cylinder holes, and deformation extent will affect engine performance and reliability.Cylinder holes modified difference, it may appear that alter
Gas alters oil, all undesirable so as to cause fuel consumption rate and engine oil consumption, and cylinder holes modified difference can accelerate the abrasion of cylinder sleeve to make to send out
The service life reduction of motivation, therefore, cylinder holes deformation must satisfy design requirement.
For four cylinders without cylinder sleeve engine, cylinder holes is integrated in cylinder block, and cylinder holes will meet design requirement, it is necessary to carry out the top gem of a girdle-pendant
Mill processing, conventional processing method is that cylinder block without cylinder cap is directly installed in honing on honing machine, although after processing in this way
Cylinder holes has preferable circularity, but will appear following problem: (1) after cylinder block loads onto cylinder cap, because cylinder bolt pretightning force
Effect, cylinder block deform.Cylinder holes modified difference, in the process of running, combustion gas is easy to scurry into crankcase, machine oil engine
Easily scurrying into combustion chambers burn causes fuel consumption rate and engine oil consumption all undesirable.Meanwhile engine operation, due to piston and cylinder
Set friction can aggravate, to accelerate barrel wear, engine life be caused to reduce.(2) six regulation of state is relative to five pairs of discharges of state
It is required that it is harsher, it is tightened up to the deformation requirements of cylinder holes, the cylinder holes of six emission request of state is extremely difficult to according to existing processing method
Deformation.Prior art CN207686858U, CN108757204A and CN108838866A disclose simulation cylinder head, still
These cylinder head or manufacturing process difficulty are big, high production cost, or reduction cylinder holes deformability is poor, does not adapt to new
Discharge standard.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of for improving the technique cylinder head and honing cylinder holes of the deformation of four-cylinder cylinder holes
Method, the shortcomings that prior art can be overcome.
To achieve the above object, the present invention provides a kind of technique cylinder head of improvement four-cylinder cylinder holes deformation, the techniques
Cylinder head includes: technique cylinder head ontology；Multiple cutters pass in and out unthreaded hole, and plurality of cutter disengaging unthreaded hole is arranged in technique cylinder
On lid ontology, cutter pass in and out unthreaded hole quantity it is identical with cylinder number, cutter pass in and out unthreaded hole be used for honing head to cylinder holes into
Row honing；And process gas cylinder bolt hole, process gas cylinder bolt hole are uniformly arranged on around each cutter disengaging unthreaded hole, work
Skill cylinder head bolt hole is for accommodating fixing bolt；Wherein, technique cylinder head is fixed in cylinder block by fixing bolt；And
And wherein, technique cylinder head and practical cylinder head have similar rigidity, and practical cylinder head is used to form engine with cylinder block；
And wherein, process gas cylinder bolt hole mounting surface height is consistent with practical cylinder bolt mounting surface height.
In a preferred embodiment, it is used when cylinder holes honing of the technique cylinder head for no cylinder sleeve four cylinder engine,
The quantity of multiple cutter disengaging unthreaded holes is four, and the center line of cutter disengaging unthreaded hole is consistent with the center line of cylinder holes.
In a preferred embodiment, the quantity of process gas cylinder bolt hole is 18, and process gas cylinder bolt hole is adopted
With dormant bolt hole.
In a preferred embodiment, technique cylinder head passes through steel plate machine-shaping.
The present invention also provides a kind of method of honing Multi-Cylinder Diesel Engine cylinder holes, the method for the honing Multi-Cylinder Diesel Engine cylinder holes includes as follows
Step: technique cylinder head above-mentioned is fixed in cylinder block by fixing bolt；Honing process is carried out to the cylinder holes of Multi-Cylinder Diesel Engine；
Technique cylinder head is removed from cylinder block；And practical cylinder block is installed in cylinder block, wherein process gas cylinder bolt hole
Mounting surface height is consistent with practical cylinder bolt mounting surface height.
In a preferred embodiment, wherein be folded with head gasket between technique cylinder head and cylinder block.
In a preferred embodiment, technique cylinder head passes through steel plate machine-shaping.
Compared with prior art, of the invention technique cylinder head and honing cylinder holes for improving the deformation of four-cylinder cylinder holes
Method has the advantages that the present invention solves in existing four-cylinder production and loses circle after assembly upper cylinder cover after machine body cylinder hole machined
The problem of, it is ensured that cylinder holes has preferable circularity in the operating condition, cylinder holes deformation is reduced, so as to improve engine performance
And reliability, while also can more preferably reach six emission request of state.Technique cylinder head and actual cylinder are stamped similar rigidity, that is, use
After identical fixing bolt pretightning force assembly, the deformation of cylinder holes caused by technique cylinder head is deformed with cylinder holes caused by practical cylinder head
Amplitude is consistent, and thereby may be ensured that cylinder holes in the operating condition has preferable circularity, reduces cylinder holes deformation, so as to improve hair
Motivation Performance And Reliability is also more conducive to meeting the emission request that engine reaches new；Technique cylinder head is added by steel plate
Work molding, and upper and lower surface, by machining, structure is simple；In the insufficient situation of honing machine stroke, using the invention patent
Technique cylinder head, bolt hole mounting surface height is consistent with practical cylinder bolt mounting surface height, therefore does not have to special development technology
Bolt can be assembled with practical fixing bolt with cylinder block；Technique air cylinder head structure is simple, and handling ease is quick, Er Qiegong
Skill cylinder cap thickness is thin, light-weight, installs operation convenient for worker.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of technique cylinder cap according to an embodiment of the present invention.
Fig. 2 and Fig. 3 is technique cylinder cap assembly honing body cylinder holes schematic diagram according to an embodiment of the present invention.
Fig. 4 is the method flow diagram of honing Multi-Cylinder Diesel Engine cylinder holes according to an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1 to Figure 3, the technique cylinder head of the preferred embodiment for the present invention is used for cylinder of four cylinders without cylinder sleeve engine
Hole carry out honing when use, technique air cylinder head structure includes: technique cylinder head ontology 1, open up thereon there are four cutter pass in and out light
Hole 2 and 18 cylinder head bolt hole 3；Wherein, fixing bolt 6 sequentially passes through process gas cylinder bolt hole 3 and head gasket 4 and twists
Tightly in cylinder block 5, to keep technique cylinder head ontology 1 and head gasket 4 and cylinder block 5 affixed；Wherein, four cutters pass in and out light
Hole 2 is passed in and out with for honing head 7, so that honing head be made to carry out honing without the cylinder holes of cylinder sleeve engine to four cylinders.
In practical applications, in order to guarantee that cylinder holes deformation when assembling practical cylinder cap of cylinder block 5 is smaller, this is devised
The technique cylinder head of invention, allows honing again after 5 assembly technology cylinder head of cylinder block, by special design, so that process gas
Cylinder cap and practical cylinder cap have similar rigidity, when to guarantee that having torn technique cylinder head open assembles practical cylinder cap, cylinder holes energy base
Originally it is restored to ideal round shape state, to reduce cylinder holes deformation.It should be noted that technique cylinder head and reality described in the present invention
Cylinder cap has similar rigidity, refers to that the rigidity of technique cylinder head differs in the range of 3% with the rigidity of practical cylinder cap.
Technique cylinder head is simple by steel plate machining molding structure, and upper and lower surface processing guarantees precision, technique cylinder
There is cylinder head bolt hole 3 on lid ontology 1 and mounting surface height be consistent with practical cylinder cap, does not have to special exploitation special process bolt,
It can be assembled with cylinder block 5 with practical fixing bolt 3, be convenient for worker operation.The cutter disengaging unthreaded hole 2 processed between two cylinders,
It can guarantee that honing head can free in and out.By optimization design, technique cylinder head is allowed to draw with practical cylinder head to the effect of cylinder block 5
The cylinder holes deformation risen is consistent as far as possible, to realize that cylinder holes is restored.Use process is as follows: by fixing bolt 3 technique cylinder head
1, after head gasket 4 and cylinder block 5 are assembled, cylinder block 5 is subjected to honing to cylinder holes later on the tooling platform of honing machine and is added
Work.Wherein, head gasket 4 is folded between technique cylinder head 1 and cylinder block 5.
As shown in figure 4, the method for honing Multi-Cylinder Diesel Engine cylinder holes of the invention includes the following steps: step 401: by such as preceding work
Skill cylinder head is fixed in cylinder block by fixing bolt；Step 402: Honing process is carried out to the cylinder holes of Multi-Cylinder Diesel Engine；Step
403: technique cylinder head is removed from cylinder block；And step 404: practical cylinder block is installed in cylinder block, wherein described
Process gas cylinder bolt hole mounting surface height is consistent with practical cylinder bolt mounting surface height.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (7)
1. a kind of technique cylinder head for improving the deformation of four-cylinder cylinder holes, it is characterised in that: the technique cylinder head includes:
Technique cylinder head ontology；
Multiple cutters pass in and out unthreaded hole, and the plurality of cutter disengaging unthreaded hole is arranged on the technique cylinder head ontology, described
The quantity that cutter passes in and out unthreaded hole is identical as cylinder number, and the cutter disengaging unthreaded hole carries out the cylinder holes for honing head
Honing；And
Process gas cylinder bolt hole, the process gas cylinder bolt hole is uniformly arranged on around each cutter disengaging unthreaded hole, described
Process gas cylinder bolt hole is for accommodating fixing bolt；
Wherein, the technique cylinder head is fixed in cylinder block by the fixing bolt；
And wherein, the technique cylinder head and practical cylinder head have similar rigidity, and the practical cylinder head is used for and institute
State cylinder block composition engine；
And wherein, the process gas cylinder bolt hole mounting surface height is consistent with practical cylinder bolt mounting surface height.
2. technique cylinder head as described in claim 1, it is characterised in that: the technique cylinder head is started for no four cylinder of cylinder sleeve
It is used when the cylinder holes honing of machine, the quantity of multiple cutter disengaging unthreaded holes is four, and in cutter disengaging unthreaded hole
Heart line is consistent with the center line of the cylinder holes.
3. technique cylinder head as claimed in claim 2, it is characterised in that: the quantity of the process gas cylinder bolt hole is 18
A, the process gas cylinder bolt hole uses dormant bolt hole.
4. technique cylinder head as claimed in claim 3, it is characterised in that: the technique cylinder head passes through steel plate machine-shaping.
5. a kind of method of honing Multi-Cylinder Diesel Engine cylinder holes, it is characterised in that: the method for the honing Multi-Cylinder Diesel Engine cylinder holes includes following step
It is rapid:
Technique cylinder head as described in one of claim 1-4 is fixed in cylinder block by fixing bolt；
Honing process is carried out to the cylinder holes of the Multi-Cylinder Diesel Engine；
The technique cylinder head is removed from the cylinder block；And
Practical cylinder block is installed in the cylinder block, wherein the process gas cylinder bolt hole mounting surface height and reality
Cylinder bolt mounting surface height is consistent.
6. the method for short stroke honing Multi-Cylinder Diesel Engine cylinder holes as claimed in claim 5, it is characterised in that: wherein, in the technique
Head gasket is folded between cylinder head and the cylinder block.
7. the method for short stroke honing Multi-Cylinder Diesel Engine cylinder holes as claimed in claim 6, it is characterised in that: the technique cylinder head is logical
Cross steel plate machine-shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002276.6A CN109519538A (en) | 2019-01-02 | 2019-01-02 | For improving the technique cylinder head of four-cylinder cylinder holes deformation and the method for honing cylinder holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002276.6A CN109519538A (en) | 2019-01-02 | 2019-01-02 | For improving the technique cylinder head of four-cylinder cylinder holes deformation and the method for honing cylinder holes |
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| Publication Number | Publication Date |
|---|---|
| CN109519538A true CN109519538A (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002276.6A Pending CN109519538A (en) | 2019-01-02 | 2019-01-02 | For improving the technique cylinder head of four-cylinder cylinder holes deformation and the method for honing cylinder holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915018A (en) * | 2021-09-29 | 2022-01-11 | 广西玉柴机器股份有限公司 | Structure for simulating assembly state of cylinder cover and cylinder hole machining process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203738558U (en) * | 2014-02-27 | 2014-07-30 | 奇瑞汽车股份有限公司 | Simulation air cylinder cover for cylinder hole honing |
| CN106862965A (en) * | 2017-04-28 | 2017-06-20 | 重庆长安汽车股份有限公司 | A kind of frock for processing engine cylinder block bore |
| CN207080295U (en) * | 2017-06-27 | 2018-03-09 | 海马汽车有限公司 | A kind of simulation cylinder head structure for cylinder holes processing |
| CN108757204A (en) * | 2018-06-04 | 2018-11-06 | 广西玉柴机器股份有限公司 | Simulate cylinder head |
| CN209212958U (en) * | 2019-01-02 | 2019-08-06 | 广西玉柴机器股份有限公司 | For improving the technique cylinder head of four-cylinder cylinder holes deformation |
-
2019
- 2019-01-02 CN CN201910002276.6A patent/CN109519538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203738558U (en) * | 2014-02-27 | 2014-07-30 | 奇瑞汽车股份有限公司 | Simulation air cylinder cover for cylinder hole honing |
| CN106862965A (en) * | 2017-04-28 | 2017-06-20 | 重庆长安汽车股份有限公司 | A kind of frock for processing engine cylinder block bore |
| CN207080295U (en) * | 2017-06-27 | 2018-03-09 | 海马汽车有限公司 | A kind of simulation cylinder head structure for cylinder holes processing |
| CN108757204A (en) * | 2018-06-04 | 2018-11-06 | 广西玉柴机器股份有限公司 | Simulate cylinder head |
| CN209212958U (en) * | 2019-01-02 | 2019-08-06 | 广西玉柴机器股份有限公司 | For improving the technique cylinder head of four-cylinder cylinder holes deformation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915018A (en) * | 2021-09-29 | 2022-01-11 | 广西玉柴机器股份有限公司 | Structure for simulating assembly state of cylinder cover and cylinder hole machining process |
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Application publication date: 20190326 |