CN101761411A - Integrated cylinder cover and production method thereof - Google Patents
Integrated cylinder cover and production method thereof Download PDFInfo
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- CN101761411A CN101761411A CN201010102867A CN201010102867A CN101761411A CN 101761411 A CN101761411 A CN 101761411A CN 201010102867 A CN201010102867 A CN 201010102867A CN 201010102867 A CN201010102867 A CN 201010102867A CN 101761411 A CN101761411 A CN 101761411A
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- cylinder cover
- aluminum alloy
- air outlet
- spark
- outlet flue
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Abstract
The embodiment of the invention discloses a production method for an integrated cylinder cover, which includes the following steps that: aluminum alloy is selected; the aluminum alloy is forged into a blank; and an admission passage and an exhaust passage are machined on the blank. As shown in the technique scheme, since the aluminum alloy with high strength and high heat resistance is forged and machined into the cylinder cover, the cylinder cover can meet the mechanical requirements of a cylinder cover for racing cars, that is, the tensile strength is larger than 350MPa, the elongation is larger than 10 percent, and the rigidity HB is larger than 110. On the other hand, because a combustion chamber corresponds to two spark plug holes, when two spark plugs of the same type are mounted, the two spark plugs can simultaneously ignite, consequently, the transfer of flame in the combustion chamber is accelerated, the transfer distance of flame is shortened, and thereby fuel oil-mixed gas can rapidly burn in a short time and in a short distance in the combustion chamber. According to the energy conversion principle, when the mixed gas is compressed to a top dead center, the temperature of a mixer in the combustion chamber is high, so that the mixed gas can be instantly ignited and burnt out, and thereby the energy utilization rate can be greatly increased.
Description
Technical field
The present invention relates to auto parts machinery manufacturing technology field, more particularly, relate to a kind of integrated cylinder cover and production method thereof.
Background technique
At present, motor car engine adopts full aluminium head mostly, and the weight of cylinder cap is also little, and automaker's enjoy it is also not only in light weight because of it, but because it has better heat dispersion.Along with the development of engine technology, four air valve structures become the main flow Design trend of motor.With two air valve engines compare, the cylinder head of every cylinder four air valves will produce more heat than the cylinder head of every cylinder two air valves when the work, adopting full aluminium head is best solution.For the consideration of cost, cylinder block adopts full aluminium design much more late than cylinder head.Cylinder block is a part the heaviest on the motor, thereby uses aluminum alloy material can alleviate the weight of motor, thereby reaches the purpose that alleviates complete vehicle weight.This point seems particularly valuable for preposition forerunner's vehicle, certainly on the other hand, because the difference of material price and processing technology adopts the motor of aluminium alloy cylinder can increase some costs.
Along with the development of car industry, external motor sport is popular, and cylinder head is designed and developed at home as the core part of racing engine and also is in the trial stage at initial stage.Because present cylinder head mostly adopts the ZL 101 alloy casting to form tensile strength 225Mpa under the T6 state.Specific elongation＞1%, hardness HB100.And racing car to require with the mechanics of cylinder head be tensile strength＞350Mpa, specific elongation＞10%, hardness HB＞110; On the other hand, the racing car cylinder head, because it is automobile runs speed is fast, higher relatively to the requirement of ignition system.
Therefore, be badly in need of a kind of cylinder head now, this cylinder head technical ability satisfies the mechanics requirement of racing car with cylinder head, and structural design more should be rationalized simultaneously.
Summary of the invention
In view of this, the invention provides a kind of integrated cylinder cover and production method, this cylinder head technical ability satisfies the mechanics requirement of racing car with cylinder head, and structural design more should be rationalized simultaneously.
For achieving the above object, the invention provides following technological scheme:
A kind of production method of integrated cylinder cover comprises:
Select aluminum alloy;
With described aluminum alloy through forging into blank;
Processing gas inlet road and air outlet flue on described blank.
Preferably, in said method, described aluminum alloy is specially aluminum alloy 2A70.
Preferably, in said method, described forging comprises:
The blocking firing chamber;
The blocking spark-plug hole;
The blocking spill port.
Preferably, in said method, described processing air outlet flue and intake duct are specially:
Described blank is installed on four machining centers, selects default machining angle, by processing thick, that clamping of finish-milling is finished described air outlet flue and intake duct.
Preferably, in said method, the semicircle sphere is processed in described firing chamber.
Preferably, in said method, the volume error of described intake duct and described air outlet flue is less than ± 0.25ml.
Preferably, in said method, the volume difference of described combustion chamber volume and described intake duct and described air outlet flue is not more than 0.25ml.
The present invention also provides a kind of integrated cylinder cover, comprise: firing chamber, spark-plug hole, admission line and exhaust duct, described firing chamber is connected with intake duct, described air outlet flue and described spark-plug hole respectively, it is characterized in that, described cylinder head adopts the aforementioned production method manufacturing to form.
From technique scheme, as can be seen, process owing to the aluminum alloy that adopts 2A70 forges in the present invention, satisfy the mechanics requirement of racing car, that is: tensile strength＞350Mpa, specific elongation＞10%, hardness HB＞110 with cylinder head.On the other hand owing to incite somebody to action, the firing chamber is corresponding with two spark-plug holes, and the identical spark plug of model is installed, and two spark plugs are lighted a fire simultaneously and accelerated propagation of flame speed in the firing chamber, shortened flame travel, made the closely burning rapidly in short-term in cylinder of fuel mixture body.According to energy conversion principle, mixed gas when being compressed to top dead center in the firing chamber temperature of mixer all higher to help instantaneous ignition burning clean, can increase substantially capacity usage ratio.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of integrated cylinder cover plan view that Fig. 1 provides for the embodiment of the invention one;
A kind of integrated cylinder cover A-A sectional view that Fig. 2 provides for the embodiment of the invention one;
A kind of integrated cylinder cover plan view that Fig. 3 provides for the embodiment of the invention two;
A kind of integrated cylinder cover A-A sectional view that Fig. 4 provides for the embodiment of the invention two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who is obtained under the creative work prerequisite.
The embodiment of the invention discloses the production method that the invention provides a kind of integrated cylinder cover, this cylinder head technical ability satisfies the mechanics requirement of racing car with cylinder head, and structural design more should be rationalized simultaneously.
Concrete steps are:
Select aluminum alloy;
With described aluminum alloy through forging into blank;
Processing gas inlet road and air outlet flue on described blank.
In above-mentioned steps, with selection intensity height, aluminum alloy 2A70 that resistance to heat is good, the cylinder head that this aluminum alloy is made after forging, the mechanics requirement of racing car with cylinder head satisfied in the tensile strength＞350Mpa when state T6, specific elongation＞10%, hardness HB＞110.This aluminum alloy can only use Forging Technology owing to being subjected to the mechanical property own and the restriction of physical property, adopts the Forging Technology blank to save cost.
When blank forging, earlier firing chamber, spark-plug hole, forging spill port, air inlet air guide pore and exhaust air guide pore are forged, then at processing mounting holes, carry out more meticulous processing, the fine finishing of attachment face, the processing of mounting hole.
Because air outlet flue and intake duct structure are that irregular curved surface combines, and gas port is less than the inner section size of air flue, and conventional programming method for milling can not be processed.By to the air flue geometrical analysis, select best milling angle, the blank clamping is milled out air flue at the finish-milling of machining center with four.And the air flue volume error that mills out is less than ± 0.25ml, and firing chamber and intake duct and air outlet flue difference in volume are not more than 0.25ml.
The cylinder head that finally processes, mechanics require to satisfy: tensile strength＞350Mpa, specific elongation＞10%, hardness HB＞110.
The present invention also provides a kind of integrated cylinder cover, comprises firing chamber and spark-plug hole.
Embodiment one
As depicted in figs. 1 and 2, a kind of integrated cylinder cover adopts said method to process, and comprises firing chamber 11, spark-plug hole 12, intake duct 13 and air outlet flue 14.
Process owing to the aluminum alloy that adopts 2A70 forges in the present embodiment, satisfy the mechanics requirement of racing car, that is: tensile strength＞350Mpa, specific elongation＞10%, hardness HB＞110 with cylinder head.In addition, because the processing technology of adopt forging, so, reduced the cost of cylinder head.
Embodiment two
As shown in Figure 3 and Figure 4, adopt above-mentioned processing equally, wherein, firing chamber 21 is corresponding with the firing chamber 11 among the embodiment one, and by that analogy, spark-plug hole 22 is corresponding with 12, and intake duct 23 is corresponding with 13, and air outlet flue 24 is corresponding with 14.Be that with embodiment's one difference present embodiment designs two spark-plug holes 22 on firing chamber 21.
Adopt this design in dual ignition plug hole, reduce production costs, satisfy outside the certain mechanical property except on processing technology, adopting to forge.Cooperating must arrangement works the time, the firing chamber is corresponding with two spark-plug holes, and the identical spark plug of model is installed, and two spark plugs are lighted a fire simultaneously and accelerated propagation of flame speed in the firing chamber, shortened flame travel, made the closely burning rapidly in short-term in cylinder of fuel mixture body.According to energy conversion principle, mixed gas when being compressed to top dead center in the firing chamber temperature of mixer all higher to help instantaneous ignition burning clean, can increase substantially capacity usage ratio.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with embodiment's disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. the production method of an integrated cylinder cover is characterized in that, comprising:
Select aluminum alloy;
With described aluminum alloy through forging into blank;
Processing gas inlet road and air outlet flue on described blank.
2. method according to claim 1 is characterized in that described aluminum alloy is specially aluminum alloy 2A70.
3. method according to claim 2 is characterized in that, described forging comprises:
The blocking firing chamber;
The blocking spark-plug hole;
The blocking spill port.
4. method according to claim 3 is characterized in that, described processing air outlet flue and intake duct are specially:
Described blank is installed on four machining centers, selects default machining angle, by processing thick, that clamping of finish-milling is finished described air outlet flue and intake duct.
5. method according to claim 4 is characterized in that, the semicircle sphere is processed in described firing chamber.
6. method according to claim 5 is characterized in that, the volume error of described intake duct and described air outlet flue is less than ± 0.25ml.
7. according to any described method of claim 1-6, it is characterized in that the volume difference of described combustion chamber volume and described intake duct and described air outlet flue is not more than 0.25ml.
8. integrated cylinder cover, comprise: firing chamber, spark-plug hole, admission line and exhaust duct, described firing chamber is connected with intake duct, described air outlet flue and described spark-plug hole respectively, it is characterized in that, described cylinder head adopts the manufacturing of 1-7 production method to form.
9. integrated cylinder cover according to claim 8 is characterized in that, described firing chamber is corresponding with two spark-plug holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010102867A CN101761411A (en) | 2010-01-25 | 2010-01-25 | Integrated cylinder cover and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010102867A CN101761411A (en) | 2010-01-25 | 2010-01-25 | Integrated cylinder cover and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101761411A true CN101761411A (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010102867A Pending CN101761411A (en) | 2010-01-25 | 2010-01-25 | Integrated cylinder cover and production method thereof |
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| CN (1) | CN101761411A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434306A (en) * | 2011-12-02 | 2012-05-02 | 重庆红旗缸盖制造有限公司 | Cylinder cover of automobile engine and method for achieving strength improvement |
| CN114033591A (en) * | 2021-11-16 | 2022-02-11 | 苏州星波动力科技有限公司 | Aluminum alloy oil rail, forming method and manufacturing method thereof, engine and automobile |
-
2010
- 2010-01-25 CN CN201010102867A patent/CN101761411A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434306A (en) * | 2011-12-02 | 2012-05-02 | 重庆红旗缸盖制造有限公司 | Cylinder cover of automobile engine and method for achieving strength improvement |
| CN102434306B (en) * | 2011-12-02 | 2013-08-07 | 重庆红旗缸盖制造有限公司 | Cylinder cover of automobile engine and method for achieving strength improvement |
| CN114033591A (en) * | 2021-11-16 | 2022-02-11 | 苏州星波动力科技有限公司 | Aluminum alloy oil rail, forming method and manufacturing method thereof, engine and automobile |
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Application publication date: 20100630 |