CN105855473B - Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group - Google Patents
Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group Download PDFInfo
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- CN105855473B CN105855473B CN201610378447.1A CN201610378447A CN105855473B CN 105855473 B CN105855473 B CN 105855473B CN 201610378447 A CN201610378447 A CN 201610378447A CN 105855473 B CN105855473 B CN 105855473B
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- core
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- jacket
- technique
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of Engine cylinder body sand core, including bulk end core and technique core, the bulk end core is used for through the nose end cooperation group core that shakes out of the technique core and jacket core, or is shaked out nose end cooperation group core with the nothing of jacket core.When using Engine cylinder body sand core provided by the invention, pass through the parting of bulk end core and technique core, enable the core assembling technology that rear and front end has the jacket core and jacket core of the rear and front end without clearance hole of clearance hole general, only needing a production line can meet to there is the jacket core of clearance hole and the group core requirement of the jacket core without clearance hole simultaneously, thus reduce a group core step, improves the flexibility and the degree of automation of engine cylinder body coremaking line.The invention also discloses a kind of Engine cylinder body sand core group and a kind of engine cylinder body core assembling technologies.
Description
Technical field
The present invention relates to casting technology fields to further relate to a kind of hair more specifically to a kind of Engine cylinder body sand core
Motivation cylinder body sand core group, further relates to a kind of engine cylinder body core assembling technology.
Background technology
The cylinder body of engine is generally produced by casting technique.Sand core is used for the cavity portion of mould casting in Foundry Production
Point.Motor cylinder casting technique commonly used in the prior art mostly uses the mode of core assembly pouring.Engine cylinder body sand core group one
As include jacket core, end core, cap core, case core etc., each sand core is subjected to a group core before cast.
According to different housing structures and process requirements, the jacket core of engine cylinder body includes that rear and front end all has clearance hole
The jacket core of jacket core and rear and front end without clearance hole.It, need to be with different structure when organizing core since the structure of jacket core is different
Core cooperation is held, thus for above two jacket core, needs to carry out a group core by different production lines, organizes core complex steps, and
Coremaking line flexibility is poor, and the degree of automation is relatively low.
In conclusion the problems such as Engine cylinder body sand core group core complex steps, coremaking line are flexible poor how is efficiently solved,
It is current those skilled in the art's urgent problem.
Invention content
In view of this, first of the present invention is designed to provide a kind of Engine cylinder body sand core, the engine cylinder body sand
The structure design of core can efficiently solve the problem of the flexible difference of Engine cylinder body sand core group core complex steps, coremaking line, this hair
Second bright purpose is to provide a kind of Engine cylinder body sand core group including above-mentioned Engine cylinder body sand core, third of the invention
A purpose is to provide a kind of engine cylinder body core assembling technology.
In order to reach above-mentioned first purpose, the present invention provides the following technical solutions：
A kind of Engine cylinder body sand core, including bulk end core and technique core, the bulk end core be both used to pass through the work
The nose end cooperation group core that shakes out of skill core and jacket core is also used for shaking out nose end cooperation group core with the nothing of jacket core；The technique
Core and the bulk end core joggle, the nose end joggle that shakes out of the technique core and the jacket core；It is arranged on the bulk end core
It is useful for positioning the positioning groove of the technique core；The technique core includes the water jacket for all having clearance hole with rear and front end
The rear and front end of core is respectively cooperating with the preceding technique core of group core and rear technique core, and the bulk end core includes and the preceding technique core group
The front body end core of core and with it is described after technique core group core rear bulk end core.
Preferably, in above-mentioned Engine cylinder body sand core, the bulk end core and the technique core are cold core.
Engine cylinder body sand core provided by the invention includes bulk end core and technique core.Wherein, technique core is used for and water jacket
The nose end cooperation group core that shakes out of core, bulk end core be both used to shake out nose end cooperation group core with the nothing of jacket core, were also used for and technique
Core coordinates, that is, passes through the nose end cooperation group core that shakes out of technique core and jacket core.
When using Engine cylinder body sand core provided by the invention, for the jacket core with clearance hole, first by technique core with
Pre- group of the nose end that shakes out.Thus pre- group core group can whole group enter bulk end core in the integral core group of case core composition, for end
Jacket core without clearance hole, the integral core that jacket core is directly formed with bulk end core and case core, which assembles, is combined core, i.e., by will be with
The end core of the nose end cooperation of shaking out of jacket core is partitioned into bulk end core and the technique core with nose end cooperation of shaking out, and bulk end core can
It shakes out nose end cooperation group core with the nothing of jacket core.To sum up, pass through the parting of bulk end core and technique core so that rear and front end has
The jacket core of clearance hole can be general with the core assembling technology of jacket core of the rear and front end without clearance hole, it is only necessary to a production line
Meet simultaneously to there is the jacket core of clearance hole and the group core requirement of the jacket core without clearance hole, thus reduce a group core step, carries
The high flexibility and the degree of automation of engine cylinder body coremaking line.
In order to reach above-mentioned second purpose, the present invention also provides a kind of Engine cylinder body sand core groups, including end to have
There is the non-porous jacket core for having hole jacket core and end without clearance hole of clearance hole；Further include bulk end core and technique core, the work
Skill core and the nose end cooperation group core that shakes out for having hole jacket core, the bulk end core were both used for through the technique core and had hole
The nose end cooperation group core that shakes out of jacket core, is also used for the non-porous jacket core without nose end cooperation group core.
Preferably, in above-mentioned Engine cylinder body sand core group, described to have hole jacket core and the non-porous jacket core be cylinder barrel
Between totally enclosed jacket core.
Preferably, in above-mentioned Engine cylinder body sand core group, stud is provided in the cylinder barrel of the jacket core.
Using Engine cylinder body sand core group provided by the invention, flexibility and the automation of engine cylinder body coremaking line are improved
Degree reduces a group core step.
The present invention also provides a kind of engine cylinder body core assembling technologies, including：
Engine cylinder body core assembling technology, for Engine cylinder body sand core group as described above to be carried out a group core, including：
Coordinate by the nose end group core that shakes out of technique core and jacket core, and with cap core, group core is pre- group core group；
By core based on bulk end core and case core group core；
By the pre- group of core group and the main core group core.
Preferably, in above-mentioned engine cylinder body core assembling technology, it is described by the pre- group of core group and the main core group core it
Before further include：
By the pre- group of core group dip-coating, drying, and clear up the coating on the built-in stud of the jacket core.
Using engine cylinder body core assembling technology provided by the invention, the jacket core with clearance hole can be with no clearance hole
The core assembling technology of jacket core is general, it is only necessary to which a production line can meet simultaneously to there is the jacket core of clearance hole and without clearance hole
The group core requirement of jacket core, improves the flexibility and the degree of automation of engine cylinder body coremaking line.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of specific implementation mode of Engine cylinder body sand core provided by the invention；
Fig. 2 is water-jacket core structure schematic diagram of the rear and front end without clearance hole；
Fig. 3 is the water-jacket core structure schematic diagram that there is clearance hole in rear and front end；
Fig. 4 is that technique core organizes structural schematic diagram in advance with jacket core；
Fig. 5 is that jacket core integrally organizes cored structure schematic diagram with bulk end core.
It is marked in attached drawing as follows：
Bulk end core 1, technique core 2, front body end core 11, rear bulk end core 12, preceding technique core 21, rear technique core 22, cap
Core 3, jacket core 4, clearance hole 5.
Specific implementation mode
The embodiment of the invention discloses a kind of Engine cylinder body sand core, with improve coremaking line flexibility and the degree of automation,
Simplify group core step.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Fig. 5 is please referred to Fig.1, Fig. 1 is that a kind of structure of specific implementation mode of Engine cylinder body sand core provided by the invention is shown
It is intended to；Fig. 2 is water-jacket core structure schematic diagram of the rear and front end without clearance hole；Fig. 3 is the jacket core knot that there is clearance hole in rear and front end
Structure schematic diagram；Fig. 4 is that technique core organizes structural schematic diagram in advance with jacket core；Fig. 5 is that jacket core integrally organizes cored structure with bulk end core
Schematic diagram.
In a specific embodiment, Engine cylinder body sand core provided by the invention includes bulk end core 1 and technique core
2。
Wherein, technique core 2 was both used for and jacket core 4 for the nose end cooperation group core that shakes out with jacket core 4, bulk end core 1
Nothing shake out nose end cooperation group core, be also used for the nose end cooperation group core that shakes out by technique core 2 and jacket core 4.I.e. by will be with
The technique core 2 that the end core of nose end cooperation that shakes out of jacket core 4 is partitioned into bulk end core 1 and coordinates with clearance hole, bulk end core 1 was both
Can shake out nose end cooperation group core with the nothing of jacket core 4, can also match with technique core and be combined core.Specific bulk end core 1 and technique
The mating surface of core 2, that is, die joint need in conjunction with jacket core 4 end face and bulk end core 1 respectively with jacket core 4 and technique core 2
Cooperation be configured, be not specifically limited herein.
It should be noted that according to technique needs, for rear and front end all has the jacket core 4 of clearance hole 5, technique
Core 2 includes the rear technique core 22 with the preceding technique core 21 of the front group core of jacket core 5 and with the rear end group core of jacket core 5, accordingly
Bulk end core 1 may include front body end core 11 and rear bulk end core 12 that 4 rear and front end of corresponding jacket core is respectively set.Root
According to 5 isostructural difference of front and back clearance hole, front end that the structure of preceding technique core 21 and rear technique core 22 can respectively with jacket core 4
It is correspondingly arranged as different structure with rear end, front body end core 11 and rear bulk end core 12 may be set to be different knots accordingly
Structure can also set front body end core 11 and rear bulk end core 12 to identical structure as needed certainly.Certainly, certain
In the case of ad hoc, one end of such as only jacket core 4 is provided with clearance hole 5, then the nose end that shakes out is matched with technique core 2 accordingly is combined
Core, then with 1 group of core of bulk end core, the other end of no clearance hole 5, which is then directly matched with bulk end core 1, is combined core.Thus, root
According to the difference of the structure at 4 both ends of jacket core, there is the nose end that shakes out by technique core 2 and 1 group of core of bulk end core, and nothing shakes out nose end then
Directly with bulk end core group core.Specifically, bulk end core 1 may include being respectively used to directly organize the first of core with without the nose end that shakes out
Bulk end core, and for by technique core 2 and the second bulk end core for having the nose end group core that shakes out, the first bulk end core and second to be led
The structure of body end core is different.Certainly, in the case where the two can share same structure bulk end core, the first bulk end core and
Two bulk end cores may be identical structure.
When using Engine cylinder body sand core provided by the invention, when such as corresponding to cast iron housing production, shake out for having
The jacket core 4 in hole 5, first by technique core 2 and pre- group of the nose end that shakes out.Thus pre- group core group can whole group enter bulk end core 1 and case
In the integral core group of core composition, for jacket core 4 of the end without clearance hole 5, jacket core 4 directly with bulk end core 1 and case core group
At integral core assemble and be combined core.To sum up, pass through the parting of bulk end core 1 and technique core 2 so that rear and front end has clearance hole
5 jacket core 4 can be general with the core assembling technology of jacket core 4 of the rear and front end without clearance hole 5, it is only necessary to which a production line can be same
When meet to there is the jacket core 4 of clearance hole 5 and the group core requirement of the jacket core 4 without clearance hole 5, thus reduce a group core step,
Improve the flexibility and the degree of automation of engine cylinder body coremaking line.
Specifically, technique core 2 and 1 joggle of bulk end core, the nose end joggle that shakes out of technique core 2 and jacket core 4.Namely divide
Joinery and its construction is not set on technique core 2 and bulk end core 1 so that bulk end core 1 can by joinery and its construction and technique core 2 or
The nothing of jacket core 4 is shaked out nose end cooperation group core.Certainly, the connection type that other can also be used conventional as needed carries out group
Core.
For the ease of the positioning of bulk end core 1 and technique core 2, it can be arranged on bulk end core 1 and be used for positioning process core 2
Positioning groove.The installation position of specific positioning groove and structure need to match according to the structure of technique core 2, and its with jacket core 4
Conjunction etc. is configured, so that technique core 2 can organize core with after 4 pre- groups of jacket core with 1 entirety of bulk end core.
In the above-described embodiments, bulk end core 1 and technique core 2 are generally cold core.Pass through sand made from cold core process
Core.
The invention also discloses a kind of Engine cylinder body sand core group, including jacket core 4, jacket core 4, which includes end, to be had
Sand hole 5 has the non-porous jacket core of hole jacket core and end without clearance hole 5；Further include bulk end core 1 and technique core 2, technique core 2
With the nose end cooperation group core that shakes out for having hole jacket core, bulk end core 1 is by technique core 2 and has the nose end that shakes out of hole jacket core to coordinate
Group core, or with non-porous jacket core without nose end cooperation group core.Namely Engine cylinder body sand core group, including with have hole jacket core group
The sand core group of core and sand core group with non-porous jacket core group core, include hole jacket core with there is the sand core group of hole jacket core group core,
There are shake out nose end and 2 groups of cores of technique core of hole jacket core, technique core 2 and 1 group of core of bulk end core；With the sand of non-porous jacket core group core
Core group includes non-porous jacket core, the nothing of non-porous jacket core shake out nose end directly with 1 group of core of bulk end core.It should be noted that there is hole
Jacket core includes the jacket core that rear and front end all has clearance hole 5, also include in special circumstances only one end have clearance hole 5 water
Core is covered, then there is the jacket core of clearance hole 5 for one end, the nose end that shakes out is matched by technique core 2 and bulk end core 1 is combined core,
And directly matches with bulk end core 1 without the nose end that shakes out and be combined core.
Engine cylinder body sand core group generally further includes cap core 3 and case core as needed.Cap core 3 and jacket core 4 are first when group core
Pre- group, the main core group core then formed with bulk end core and case core group core.
On the basis of the various embodiments described above, stud is provided in the cylinder barrel of jacket core 4.For totally enclosed cylinder body
Speech, it is above-mentioned when thering is hole jacket core and non-porous jacket core to be the jacket core of totally-enclosed cylinder body between cylinder barrel, it is open between the cylinder barrel of water jacket
Place easily deforms, therefore by the way that stud is arranged in cylinder barrel, to provide enough support strengths, prevent jacket core 4 from deforming.According to
It needs, external stud can also be used, i.e., stud is stuck in opening between 4 cylinder barrel of jacket core, but external stud easily blocks damage
Sand core, and reliability is relatively low.
Using Engine cylinder body sand core group provided by the invention, when such as corresponding to cast iron housing production, pass through bulk end core 1
With the parting of technique core 2 so that there is hole jacket core general with the core assembling technology of non-porous jacket core, it is only necessary to which a production line is
It can meet simultaneously to there is the jacket core of clearance hole 5 and the group core requirement of the jacket core without clearance hole 5, thus reduce a group core step
Suddenly, the flexibility and the degree of automation of engine cylinder body coremaking line are improved.
The invention also discloses a kind of engine cylinder body core assembling technology, for by such as above-mentioned Engine cylinder body sand core group into
Row group core, including：
S1：Coordinate by the nose end group core that shakes out of technique core and jacket core, and with cap core, group core is pre- group core group；
The jacket core namely for end with clearance hole, first shaked out nose end and technique core group core when organizing core,
In the case that the rear and front end of jacket core is both provided with clearance hole, then technique core retainer plate is first loaded on to the rear and front end of jacket core respectively
Clearance hole outside, with jacket core with being combined core, and by cap core and jacket core and technique core group core, formed and organize core group in advance.
S2：By core based on bulk end core and case core group core；
Bulk end core first organizes core with case core, forms main core.It should be noted that step S1 and the sequence of step S2 are specific
It can also be carried out at the same time, or first carry out step S2, then carry out step S1, can specifically be not limited thereof, according to tool
Body core assembling technology or coremaking line demand are configured.
S3：Core group and main core group core will be organized in advance.
It is after bulk end core and case core and jacket core, technique core and cap core organize core respectively, pre- group of core group of composition is further
Group enters in Main body core group.By above-mentioned technique, there is the jacket core of clearance hole for end, first by itself and technique core group core,
Its follow-up core assembling technology can be general with the core assembling technology of jacket core of the end without clearance hole, and then improves the flexibility of coremaking line
And the degree of automation, while reducing a group core step.
Specifically, by further including before pre- group core group and main core group core：
S21：The dip-coating of core group, drying will be organized in advance, and clear up the coating on the built-in stud of jacket core.For totally enclosed type cylinder
For the jacket core of body, stud need to be set and deformed to prevent water-baffling sleeve core, when using built-in stud, then needing will before cast
The coating of dip-coating on stud is removed, to ensure to pour into a mould effect.Certainly, using when external stud then be not necessarily to carry out coating removing.
Using engine cylinder body core assembling technology provided by the invention, the jacket core with clearance hole can be with no clearance hole
The core assembling technology of jacket core is general, it is only necessary to which a production line can meet simultaneously to there is the jacket core of clearance hole and without clearance hole
The group core requirement of jacket core, improves the flexibility and the degree of automation of engine cylinder body coremaking line.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (7)
1. a kind of Engine cylinder body sand core, which is characterized in that including bulk end core and technique core, the bulk end core is for passing through
The nose end cooperation group core that shakes out of the technique core and jacket core is also used for shaking out nose end cooperation group core with the nothing of jacket core；It is described
Technique core and the bulk end core joggle, the nose end joggle that shakes out of the technique core and the jacket core；On the bulk end core
It is provided with the positioning groove for positioning the technique core；The technique core includes for all having clearance hole with rear and front end
The rear and front end of jacket core is respectively cooperating with the preceding technique core of group core and rear technique core, and the bulk end core includes and the preceding technique
The front body end core of core group core and with it is described after technique core group core rear bulk end core.
2. Engine cylinder body sand core according to claim 1, which is characterized in that the bulk end core and the technique core are equal
For cold core.
3. a kind of Engine cylinder body sand core group, including end have hole jacket core and end without the non-porous of clearance hole with clearance hole
Jacket core；It is characterized in that, further include bulk end core and technique core, the technique core and the nose end that shakes out for having hole jacket core
With core is combined, the bulk end core had both been used for through the technique core and the nose end cooperation group core that shakes out for having hole jacket core,
It is also used for the non-porous jacket core without nose end cooperation group core.
4. Engine cylinder body sand core group according to claim 3, which is characterized in that described to have hole jacket core and described non-porous
Jacket core is totally enclosed jacket core between cylinder barrel.
5. Engine cylinder body sand core group according to claim 3 or 4, which is characterized in that set in the cylinder barrel of the jacket core
It is equipped with stud.
6. a kind of engine cylinder body core assembling technology, which is characterized in that being used for will be such as claim 3-5 any one of them engine
Cylinder body sand core group carries out a group core, including：
Coordinate by the nose end group core that shakes out of technique core and jacket core, and with cap core, group core is pre- group core group；
By core based on bulk end core and case core group core；
By the pre- group of core group and the main core group core.
7. engine cylinder body core assembling technology according to claim 6, which is characterized in that described by the pre- group of core group and institute
Further include before stating main core group core：
By the pre- group of core group dip-coating, drying, and clear up the coating on the built-in stud of the jacket core.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610378447.1A CN105855473B (en) | 2016-05-27 | 2016-05-27 | Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group |
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| CN201610378447.1A CN105855473B (en) | 2016-05-27 | 2016-05-27 | Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group |
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| CN105855473B true CN105855473B (en) | 2018-10-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180575A (en) * | 2016-08-26 | 2016-12-07 | 江铃汽车股份有限公司 | A kind of Pneumatic flexible core assembly frock |
| CN107052257A (en) * | 2017-03-24 | 2017-08-18 | 江铃汽车股份有限公司 | Engine cylinder body sand core and its core assembly method |
| CN112846094B (en) * | 2020-12-31 | 2022-05-24 | 苏州勤堡精密机械有限公司 | Full-shell core high-precision core assembly process for four-cylinder body of engine |
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| CN205763668U (en) * | 2016-05-27 | 2016-12-07 | 江铃汽车股份有限公司 | Engine cylinder body sand core and Engine cylinder body sand core group |
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| JPH0677787B2 (en) * | 1988-07-01 | 1994-10-05 | マツダ株式会社 | Cylinder block casting core assembly method |
| FR2869556B1 (en) * | 2004-04-30 | 2006-06-02 | Peugeot Citroen Automobiles Sa | METHOD FOR MOLDING A CYLINDERS BLOCK |
| CN2860676Y (en) * | 2005-12-31 | 2007-01-24 | 广西玉柴机器股份有限公司 | Water channel core of engine cylinder cap |
| CN201677003U (en) * | 2010-05-18 | 2010-12-22 | 宁波强盛机械模具有限公司 | Core assembly pouring device for cylinder castings in automobile engine |
| CN103182480B (en) * | 2011-12-31 | 2015-07-08 | 上海爱仕达汽车零部件有限公司 | Gravity casting process for engine cylinder cover |
| CN103121082B (en) * | 2013-01-24 | 2015-04-08 | 宁波亿泰来模具有限公司 | V8 type gray cast iron cylinder body casting pouring method |
| CN203091684U (en) * | 2013-02-05 | 2013-07-31 | 辽宁龙华汽车部件制造有限公司 | Pouring exhaust structure for water jacket of cylinder body |
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| CN205763668U (en) * | 2016-05-27 | 2016-12-07 | 江铃汽车股份有限公司 | Engine cylinder body sand core and Engine cylinder body sand core group |
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