CN102059320A - Jacket core structure and preparation process thereof - Google Patents
Jacket core structure and preparation process thereof Download PDFInfo
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- CN102059320A CN102059320A CN2009101145581A CN200910114558A CN102059320A CN 102059320 A CN102059320 A CN 102059320A CN 2009101145581 A CN2009101145581 A CN 2009101145581A CN 200910114558 A CN200910114558 A CN 200910114558A CN 102059320 A CN102059320 A CN 102059320A
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- jacket core
- lower water
- faying face
- upper water
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Abstract
The invention relates to a jacket core structure, which comprises an upper half jacket core and a lower half jacket core. An asbestos pad is fixedly sandwiched between joint surfaces of the upper jacket core and the lower jacket core. Preferably, the asbestos pad is formed by punching asbestos cloth and is matched with the joint surfaces of the upper jacket core and the lower jacket core. The invention also provides a preparation process for the jacket core structure. The jacket core structure has the advantage of simple structure and can effectively solve the problem of an interlayer of a cylinder cover jacket.
Description
Technical field
The present invention relates to a kind of jacket core structure, particularly can effectively solve the jacket core structure of cylinder head jacket interlayer problem, and the preparation technology of this jacket core structure.
Background technology
At present, in the Foundry Production of complicated cylinder head, faying face tends to form interlayer about one deck 1mm between jacket core up and down.Owing to the product structure reason, the burr of faying face can't be cleared up between jacket core up and down, in order to solve the burr problem of faying face between jacket core up and down, tradition is used for solving the jacket core structure of burr problem, usually adopt on the sand core of water jacket faying face coating being set up and down,, be easy to construction though this method is easy and simple to handle, but exist gap to require height, generally require in 0.5mm faying face between core.And in reality casting was produced, the gap that reasons such as core distortion/core assembly dislocation cause faying face between core was often more than 0.5mm, this structure that coating is set on the core faying face exist can't thoroughly solve about the burr problem of jacket core faying face.
Summary of the invention
The present invention is in order to overcome defective in the above-mentioned prior art, provides a kind of simple in structure and can effectively solve the jacket core structure of cylinder head jacket core interlayer problem.
The invention provides a kind of jacket core structure, comprise first jacket core and second jacket core, geometrical clamp is established asbestos pad between upper water sleeve core and lower water jacket core faying face.
In the technique scheme, described asbestos pad is struck out and described jacket core and lower water jacket core faying face structure conformal by asbestos cloth.
In the technique scheme, be provided with one deck or two-layer described asbestos pad between described upper water sleeve core and lower water jacket core faying face.
In the technique scheme, described asbestos pad is fixed between described upper water sleeve core and lower water jacket core faying face by viscose glue.
In the technique scheme, the asbestos pad gross thickness of establishing between described upper water sleeve core and lower water jacket core faying face is 3mm-5mm.
In the technique scheme, the gap between described upper water sleeve core and lower water jacket core faying face is 0.5mm-5mm.
The present invention also provides a kind of process for preparing above-mentioned jacket core structure, at first processes upper water sleeve core and lower water jacket core, more described upper water sleeve core and lower water jacket core secure bond is in the same place, thereby forms complete jacket core structure, wherein
In described upper water sleeve core and the lower water jacket core secure bond process, asbestos pad is located between described upper water sleeve core and lower water jacket core faying face.
In the technique scheme, described asbestos pad is struck out and described jacket core and lower water jacket core faying face structure conformal by asbestos cloth.
In the technique scheme, one deck or two-layer described asbestos pad are located between described upper water sleeve core and lower water jacket core faying face according to the gap length between described upper water sleeve core and lower water jacket core faying face.
In the technique scheme, before folder is established described asbestos pad, on described upper water sleeve core and lower water jacket core faying face, apply viscose glue earlier, more described asbestos pad pressing clip is located between described upper water sleeve core and lower water jacket core faying face.
The present invention has following beneficial effect:
(1) because asbestos cloth self has good compressibility, asbestos pad can be adjusted the degree that compresses automatically with the gap length of jacket core faying face up and down, make the asbestos pad up and down jacket core faying face of fitting all the time, little technical barrier when big when thoroughly solving jacket core faying face gap up and down.
(2) in another preferred embodiment, the asbestos pad that is formed by the asbestos cloth punching press has 3mm-5mm thickness, and effectively the jacket core faying face is greater than the gap of 0.5mm up and down in shutoff, and jacket core is greater than the 0.5mm burr about thoroughly solving.
In addition, the method for the described jacket core structure of preparation has advantages of simple operation among the present invention, so can be widely used in the production of various core core assembly.
Description of drawings
Fig. 1 is a jacket core structure section schematic diagram of the present invention;
Fig. 2 is an A-A profile among Fig. 1.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
1-upper water sleeve core, the 2-asbestos pad; 3-lower water jacket core.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subjected to the restriction of the specific embodiment.
As shown in Figure 1, be the jacket core structure section schematic diagram among the present invention, comprise first jacket core and second jacket core, geometrical clamp is established the asbestos pad 2 that thickness is 3mm-5mm between upper water sleeve core 1 and lower water jacket core 3 faying faces, and described asbestos pad 2 is fixed between described upper water sleeve core 1 and lower water jacket core 3 faying faces by viscose glue, wherein, the gap between described upper water sleeve core 1 and lower water jacket core 3 faying faces is 0.5mm-5mm.In the present embodiment, as shown in Figure 2, described asbestos pad 2 is struck out and described jacket core and lower water jacket core 3 faying face structure conformals by asbestos cloth, because asbestos cloth self has good compressibility, asbestos pad 2 can be adjusted the degree that compresses automatically with the gap length of jacket core 3 faying faces up and down, make asbestos pad 2 up and down jacket core 3 faying faces of fitting all the time, make asbestos pad 2 be pressed on all the time up and down between the jacket core 3, seal two slits between jacket core fully, little technical barrier when big when thoroughly solving jacket core 3 faying face gaps up and down.In addition, the asbestos pad 2 that is formed by the asbestos cloth punching press has 3mm-5mm thickness, and effectively jacket core 3 faying faces are greater than the gap of 0.5mm up and down in shutoff, and jacket core 3 is greater than the 0.5mm burr about thoroughly solving.Certainly, adjust the number of plies of described asbestos pad 2, one deck or two-layer described asbestos pad 2 promptly are set between described upper water sleeve core 1 and lower water jacket core 3 faying faces according to the gap length between described upper water sleeve core 1 and lower water jacket core 3 faying faces.
The method for preparing jacket core structure in the present embodiment is: at first process upper water sleeve core 1 and lower water jacket core 3, form asbestos pad 2 with described jacket core and lower water jacket core 3 faying face structure conformals by the asbestos cloth punching press, according to the gap length between described upper water sleeve core 1 and lower water jacket core 3 faying faces, one deck or two-layer described asbestos pad 2 are located between described upper water sleeve core 1 and lower water jacket core 3 faying faces.Wherein before folder is established described asbestos pad 2, on described upper water sleeve core 1 and lower water jacket core 3 faying faces, apply viscose glue earlier, more described asbestos pad 2 pressing clips are located between described upper water sleeve core 1 and lower water jacket core 3 faying faces.Finally make described upper water sleeve core 1, asbestos pad 2 and lower water jacket core 3 secure bond successively be in the same place, thereby form complete jacket core structure.
More than disclosed only be a specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (10)
1. a jacket core structure comprises first jacket core and second jacket core, and it is characterized in that: geometrical clamp is established asbestos pad between upper water sleeve core and lower water jacket core faying face.
2. jacket core structure according to claim 1 is characterized in that: described asbestos pad is struck out and described jacket core and lower water jacket core faying face structure conformal by asbestos cloth.
3. jacket core structure according to claim 2 is characterized in that: be provided with one deck or two-layer described asbestos pad between described upper water sleeve core and lower water jacket core faying face.
4. according to any described jacket core structure of claim 1 to 3, it is characterized in that: described asbestos pad is fixed between described upper water sleeve core and lower water jacket core faying face by viscose glue.
5. according to any described jacket core structure of claim 1 to 3, it is characterized in that: the asbestos pad gross thickness of establishing between described upper water sleeve core and lower water jacket core faying face is 3mm-5mm.
6. jacket core structure according to claim 5 is characterized in that: the gap between described upper water sleeve core and lower water jacket core faying face is 0.5mm-5mm.
7. a technology for preparing aforesaid right requirement 1 to 6 any jacket core structure at first processes upper water sleeve core and lower water jacket core, more described upper water sleeve core and lower water jacket core secure bond is in the same place, thereby forms complete jacket core structure, it is characterized in that:
In described upper water sleeve core and the lower water jacket core secure bond process, asbestos pad is located between described upper water sleeve core and lower water jacket core faying face.
8. preparation technology according to claim 7 is characterized in that: described asbestos pad is struck out and described jacket core and lower water jacket core faying face structure conformal by asbestos cloth.
9. preparation technology according to claim 8 is characterized in that: according to the gap length between described upper water sleeve core and lower water jacket core faying face one deck or two-layer described asbestos pad are located between described upper water sleeve core and lower water jacket core faying face.
10. according to any described preparation technology of claim 7 to 9, it is characterized in that: before folder is established described asbestos pad, earlier on described upper water sleeve core and lower water jacket core faying face, apply viscose glue, more described asbestos pad pressing clip is located between described upper water sleeve core and lower water jacket core faying face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101145581A CN102059320A (en) | 2009-11-13 | 2009-11-13 | Jacket core structure and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101145581A CN102059320A (en) | 2009-11-13 | 2009-11-13 | Jacket core structure and preparation process thereof |
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| CN102059320A true CN102059320A (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101145581A Pending CN102059320A (en) | 2009-11-13 | 2009-11-13 | Jacket core structure and preparation process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361472A (en) * | 2013-06-28 | 2013-10-23 | 首钢总公司 | Method for plugging leakage point of annealing furnace |
| CN111957900A (en) * | 2020-07-29 | 2020-11-20 | 东风商用车有限公司 | Replaceable drain sleeve core for casting engine cylinder cover |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468384A (en) * | 2007-12-25 | 2009-07-01 | 南通华东液压铸业有限公司 | Multi-layer multiplex hydraulic valve mold and casting technique thereof |
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2009
- 2009-11-13 CN CN2009101145581A patent/CN102059320A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468384A (en) * | 2007-12-25 | 2009-07-01 | 南通华东液压铸业有限公司 | Multi-layer multiplex hydraulic valve mold and casting technique thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王洪云等: "缸盖气孔形成的原因与工艺改进措施", 《现代铸铁》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361472A (en) * | 2013-06-28 | 2013-10-23 | 首钢总公司 | Method for plugging leakage point of annealing furnace |
| CN111957900A (en) * | 2020-07-29 | 2020-11-20 | 东风商用车有限公司 | Replaceable drain sleeve core for casting engine cylinder cover |
| CN111957900B (en) * | 2020-07-29 | 2022-03-18 | 东风商用车有限公司 | Replaceable drain sleeve core for casting engine cylinder cover |
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Application publication date: 20110518 |