CN209094481U - A kind of turbocharging shell shell sand core - Google Patents
A kind of turbocharging shell shell sand core Download PDFInfo
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- CN209094481U CN209094481U CN201821901381.0U CN201821901381U CN209094481U CN 209094481 U CN209094481 U CN 209094481U CN 201821901381 U CN201821901381 U CN 201821901381U CN 209094481 U CN209094481 U CN 209094481U
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- shell
- sand core
- cavity
- turbocharging
- lower casing
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Abstract
The utility model discloses a kind of turbocharging shell shell sand core, including shell, shell includes the upper shell and lower casing being oppositely arranged up and down, upper shell and lower casing cooperatively form at least one cavity for the shell forming of turbocharging shell, and the shape of outer profile of shape and cavity of shell is corresponding；One end of upper shell and one end of lower casing are equipped at least one and penetrate Sha Kou, and the outer surface of upper shell and the outer surface of lower casing are provided with more reinforcing ribs, and wherein at least one reinforcing rib extends to the direction Sha Kou is penetrated.The turbocharging shell shell sand core of the utility model design is light-weight, can reduce a group core intensity；The shape of outer profile of shape and cavity of shell is corresponding, to guarantee that sand core can be fully cured, and on the basis of guaranteeing sand core strength, reduces precoated sand, saves cost, reduces waste product；Outer side of shell face is provided with reinforcing rib, can effectively increase sand core strength, and reinforcing rib can be used as and penetrate sand channel, guarantees coremaking quality.
Description
Technical field
The utility model relates to turbocharging shell shell manufacturing field more particularly to a kind of turbocharging shell shell sand
Core.
Background technique
Traditional casting turbocharging shell shell core design is not at the solid of type, needing more precoated sand, cause
Waste, and since sand core part is too thick, there are a large amount of greensands, greensand is generated bulk gas, gas by heat cure in casting process
Body can invade interiors of products too much and be easy to cause product air holes defect.
Utility model content
In order to solve the problems in the existing technology, the utility model, which provides one kind, can save precoated sand, reduction group
Core working strength, and the turbocharging shell shell sand core of corresponding product quality can be improved, the technical solution is as follows:
The utility model provides a kind of turbocharging shell shell sand core comprising shell, the shell include up and down
The upper shell and lower casing being oppositely arranged, the upper shell and lower casing cooperatively form at least one for outside turbocharging shell
The cavity of shell forming, the shape of the shell are corresponding with the shape of the outer profile of the cavity；One end of the upper shell
At least one, which is provided with, with one end of lower casing penetrates Sha Kou, the outer surface of the upper shell and the outside table of the lower casing
Face is provided with more reinforcing ribs, and wherein at least one reinforcing rib extends to the direction Sha Kou is penetrated.
Further, the shape of the shell outer profile is corresponding with the shape of the cavity outer profile.
Further, the outer surface of the upper shell and lower casing is provided with more cross reinforcings and longitudinally reinforced
The transverse reinforcing tendons and longitudinal reinforcing tendons cross-join of muscle, the upper outer side of shell surface forms well word structure or field word structure,
Transverse reinforcing tendons and longitudinal reinforcing tendons cross-join on the outside of the lower casing forms well word structure or field word structure.
Further, the side of the reinforcing rib has pattern draft, and the pattern draft range is 3-5 °.
Further, the top width range of the reinforcing rib is 10-15mm.
Further, the thickness of the shell is more than or equal to the wall thickness of the cavity of corresponding position.
Further, the wall thickness of the cavity be less than or equal to 6mm, shell with a thickness of 10-12mm.
Further, the wall thickness of the cavity be 6-8mm, shell with a thickness of 12-15mm.
Further, the wall thickness of the cavity be 8-10mm, shell with a thickness of 15-18mm.
Further, at least one inner cavity sand core is provided between the upper shell and lower casing；The inner cavity sand core
Including at least one first inner chamber sand core and at least one second inner chamber sand core, shape between the upper shell and first inner chamber sand core
At the first cavity of forming, the second cavity of formation forming between the lower casing and second inner chamber sand core, described first
Cavity is connected to the cavity to be formed for turbocharging shell shell forming with the second cavity.
Technical solution bring provided by the utility model has the beneficial effect that:
A. the shape of the shell of the utility model design is corresponding with the shape of the outer profile of cavity, to guarantee sand core energy
Enough it is fully cured；And while guaranteeing sand core strength, precoated sand is reduced, saves cost, and reduce waste product；
B. outer side of shell surface is provided with more reinforcing ribs, can effectively increase sand core strength, be unlikely to deform sand core,
And reinforcing rib, which can be used as, penetrates sand channel, guarantees coremaking quality；
C. the turbocharging shell shell sand core of the utility model design is light-weight, can reduce a group core intensity, improves final
Form the quality of product.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the three-dimensional structure diagram of turbocharging shell shell sand core provided by the embodiment of the utility model；
Fig. 2 is the sectional view of turbocharging shell shell sand core provided by the embodiment of the utility model.
Wherein, appended drawing reference includes: shell on 1-, 2- lower casing, 3- first inner chamber sand core, 4- second inner chamber sand core, 5-
Cavity, 6- penetrate Sha Kou, 7- reinforcing rib.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, device, product or equipment
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
Other intrinsic step or units of method, product or equipment.
In one embodiment of the utility model, a kind of turbocharging shell shell sand core is provided, referring to Fig. 1 and figure
2 comprising including shell, the shell includes the upper shell 1 and lower casing 2 being oppositely arranged up and down, the upper shell 1 and lower outer
Shell 2 cooperatively forms at least one cavity 5 for the shell forming of turbocharging shell, and the quantity of cavity is mainly by production equipment
Sand core weight after size and group core determines that the quantity of cavity is preferably 2；The shape of the shell is outer with the cavity 5
The shape of profile is corresponding, i.e., the described shell is designed with the cavity 5 with type, and the shape of the shell is according to 5 shape of cavity
Shape is designed, it is preferable that the shape of the shell outer profile is corresponding with the shape of 5 outer profile of cavity；And it is described
The thickness of shell is designed according to the wall thickness of the cavity 5 of corresponding position, it is preferable that the thickness of the shell is more than or equal to corresponding position
Cavity 5 wall thickness；The thickness of the shell is divided into following several situations: the wall thickness of cavity 5 in design as the case may be
Less than or equal to 6mm, shell with a thickness of 10-12mm, preferably 12mm；The wall thickness of cavity 5 be 6-8mm, shell with a thickness of 12-
15mm, preferably 14mm；The wall thickness of cavity 5 be 8-10mm, shell with a thickness of 15-18mm, preferably 16mm.
One end of the upper shell 1 and one end of lower casing 2 are provided at least one and penetrate sand mouth 6, referring to Fig. 1, preferably
Phase the same end of ground, the upper shell 1 and lower casing 2 is provided at least one and penetrates sand mouth 6, occupies certain sky due to penetrating Sha Kou
Between, core is organized so that penetrating space that Sha Kou is occupied in the same side in the phase the same side that will be penetrated sand mouth upper shell 1 and lower casing 2 is arranged in
Overall structure can become smaller afterwards；According to the product requirement to be produced, on the upper shell 1 penetrate sand mouth 6 be two or three, institute
The sand mouth 6 of penetrating stated on lower casing 2 is two or three.
In the present invention, the outside of the upper shell 1 and the outside of the lower casing 2 are provided with more reinforcing ribs
7, the specific structure of reinforcing rib is referring to Fig. 1, and wherein at least one reinforcing rib 7 extends to 6 direction of sand mouth is penetrated, it is preferable that on described
The outer surface of shell 1 and lower casing 2 is provided with more cross reinforcings 7 and waling 7, upper 1 outside of shell
The cross reinforcing 7 and 7 cross-join of waling on surface form well word structure or field word structure, 2 outside of lower casing
The transverse reinforcing tendons and longitudinal reinforcing tendons cross-join on surface forms well word structure or field word structure；Cross reinforcing and longitudinal direction add
Strengthening tendons are staggered, mutual stress, and to increase the intensity of integral sand core, the reinforcing rib is connected with sand mouth is penetrated, in production
In corresponding swage tool, sand channel can be penetrated to the reinforcing rib that 6 direction of sand mouth extends is penetrated, precoated sand is enable preferably to be blown into sky
Chamber.
Preferably, the reinforcing rib top surface is plane, guarantees that sand core can be placed steadily, to guarantee sand core casting process
In stability；The side of the reinforcing rib 7 has pattern draft, and the pattern draft range is 3-5 °, preferably 4 °；Reinforce
Top rib portion width range is 10-15mmm, preferably 10mm；Setting reinforcing rib can effectively increase sand core strength, make sand core not
It is easily-deformable, guarantee coremaking quality.
Further, the medial surface that the cross reinforcing 7 and waling 7 connect is equipped with rounded corner, so that covering
Film sand enter reinforcing rib formation penetrate sand channel after flow smoothly.
In another embodiment of the utility model, at least one is provided between the upper shell 1 and lower casing 2
Inner cavity sand core, the shape and quantity of required inner cavity sand core are determined by the shape for the product to be produced, it is preferable that the inner cavity sand
Core includes at least one first inner chamber sand core 3 and at least one second inner chamber sand core 4, the upper shell 1 and first inner chamber sand core 3
Between formed forming the first cavity, between the lower casing 2 and second inner chamber sand core 4 formed forming the second cavity,
First cavity is connected to the cavity 5 to be formed for turbocharging shell shell forming with the second cavity；The upper shell 1 with
First cavity is designed with type, and the lower casing 2 is designed with second cavity with type.
Further, the upper shell 1 is connected with lower casing 2 by casting glue gluing.
The specific embodiment that swage has coremaking is as follows: the shape and size of upper shell and lower casing are first designed, further according to
The shape and size of upper shell and lower casing make corresponding swage tool, at this point, can to the reinforcing rib for penetrating the extension of 6 direction of sand mouth
As sand channel is penetrated, the cavity of a upper shell shape will be will form after iron mold clamping, precoated sand is injected from sand mouth the inside is penetrated
Into cavity, precoated sand is blown by compressed air, and mold temperature is about 220 DEG C, and precoated sand is entered meeting after heating
Solidification crust bonds together, and forms the sand core of final upper shell, the sand core of lower casing is also to make by the above method.
The specific embodiment for making turbocharging shell shell product is as follows: first lower casing is placed on station, then
Inner cavity sand core is placed on lower casing, then upper shell is placed on the sand core of inner cavity, is led between lower casing and inner cavity sand core
The connection of casting glue gluing is crossed, by casting glue gluing connection between upper shell and inner cavity sand core, finally by molten iron from cast gate
It pours into, molten iron enters in cavity, and temperature is formed turbocharging shell shell product after reducing.
The turbocharging shell shell sand core of the utility model design is light-weight, can reduce a group core intensity；The shape of shell
It is corresponding with the shape of the outer profile of cavity, while guaranteeing sand core strength, precoated sand is reduced, saves cost, and can reduce
Waste product；Outer side of shell surface is provided with reinforcing rib, can effectively increase sand core strength, be unlikely to deform sand core, and reinforce
Muscle, which can be used as, penetrates sand channel, guarantees coremaking quality.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of turbocharging shell shell sand core, which is characterized in that including shell, the shell includes being oppositely arranged up and down
Upper shell (1) and lower casing (2), the upper shell (1) and lower casing (2) cooperatively form at least one for turbocharging shell
The cavity (5) of shell forming, the shape of the shell are corresponding with the shape of outer profile of the cavity (5)；
One end of the upper shell (1) and one end of lower casing (2) are provided at least one and penetrate Sha Kou (6), the upper shell
(1) outer surface of outer surface and the lower casing (2) is provided with more reinforcing ribs (7), and wherein at least one is reinforced
Muscle (7) extends to (6) direction Sha Kou is penetrated.
2. turbocharging shell shell sand core according to claim 1, which is characterized in that the shape of the shell outer profile
It is corresponding with the shape of the cavity (5) outer profile.
3. turbocharging shell shell sand core according to claim 1, which is characterized in that the upper shell (1) and lower outer
The outer surface of shell (2) is provided with more cross reinforcings (7) and waling (7), upper shell (1) outer surface
Cross reinforcing (7) and waling (7) cross-join form well word structure or field word structure, the lower casing (2) is outside
The transverse reinforcing tendons and longitudinal reinforcing tendons cross-join of side forms well word structure or field word structure.
4. turbocharging shell shell sand core according to claim 1, which is characterized in that the side of the reinforcing rib (7)
With pattern draft, the pattern draft range is 3-5 °.
5. turbocharging shell shell sand core according to claim 1, which is characterized in that the top of the reinforcing rib (7)
Width range is 10-15mm.
6. turbocharging shell shell sand core according to claim 1, which is characterized in that the thickness of the shell be greater than etc.
In the wall thickness of the cavity (5) of corresponding position.
7. turbocharging shell shell sand core according to claim 1, which is characterized in that the wall thickness of the cavity (5) is small
In be equal to 6mm, shell with a thickness of 10-12mm.
8. turbocharging shell shell sand core according to claim 1, which is characterized in that the wall thickness of the cavity (5) is
6-8mm, shell with a thickness of 12-15mm.
9. turbocharging shell shell sand core according to claim 1, which is characterized in that the wall thickness of the cavity (5) is
8-10mm, shell with a thickness of 15-18mm.
10. turbocharging shell shell sand core according to claim 1, which is characterized in that the upper shell (1) and under
At least one inner cavity sand core is provided between shell (2)；The inner cavity sand core includes at least one first inner chamber sand core (3) and extremely
A few second inner chamber sand core (4), forms the first cavity of forming between the upper shell (1) and first inner chamber sand core (3),
The second cavity of forming, first cavity and the second cavity are formed between the lower casing (2) and second inner chamber sand core (4)
Connection forms the cavity (5) for being used for the shell forming of turbocharging shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821901381.0U CN209094481U (en) | 2018-11-19 | 2018-11-19 | A kind of turbocharging shell shell sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821901381.0U CN209094481U (en) | 2018-11-19 | 2018-11-19 | A kind of turbocharging shell shell sand core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209094481U true CN209094481U (en) | 2019-07-12 |
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ID=67160389
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821901381.0U Active CN209094481U (en) | 2018-11-19 | 2018-11-19 | A kind of turbocharging shell shell sand core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695519A (en) * | 2021-08-30 | 2021-11-26 | 西峡飞龙特种铸造有限公司 | Steel casting process |
-
2018
- 2018-11-19 CN CN201821901381.0U patent/CN209094481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695519A (en) * | 2021-08-30 | 2021-11-26 | 西峡飞龙特种铸造有限公司 | Steel casting process |
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