CN204148469U - A kind of centrifugal casting cylinder jacket combination mould - Google Patents
A kind of centrifugal casting cylinder jacket combination mould Download PDFInfo
- Publication number
- CN204148469U CN204148469U CN201420493473.5U CN201420493473U CN204148469U CN 204148469 U CN204148469 U CN 204148469U CN 201420493473 U CN201420493473 U CN 201420493473U CN 204148469 U CN204148469 U CN 204148469U
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- CN
- China
- Prior art keywords
- mold
- inner mold
- outer mold
- graphite
- centrifugal casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009750 centrifugal casting Methods 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 30
- 239000010439 graphite Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 14
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000001192 hot extrusion Methods 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 101150038956 cup-4 gene Proteins 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of centrifugal casting cylinder jacket combination mould, described assembling die comprises inner mold and outer mold, is provided with one deck graphite linings between described inner mold and outer mold.Compared with prior art, the utility model structure is simple, implementation cost is low, successful.Utilize the outer mold of assembling die and the inner mold inner mold expansion ratio outer mold when preheating large, graphite slurry is smeared at internal mold outer wall, when pre-hot extrusion, graphite slurry can fill up the gap between inside and outside mould, and sintering forms graphite linings further, make to fit between outer mold and inner mold tightr, due to the thermal conductivity that graphite linings is good, make heat conduction between inside and outside mould even, and then making the blank total quality produced consistent, the percent defective caused because of inhomogeneous cooling and deformation rate obviously reduce.
Description
Technical field
Basis is novel relates to a kind of centrifugal casting cylinder jacket combination mould, belongs to casting tooling device field.
Background technology
It is high that water-cooled metal mould centrifugal casting production cylinder jacket has efficiency, the advantages such as cast structure is fine and close, and at the telescopic assembling die of the many employings of cylinder jacket manufacturing enterprise, the forming process of conventional bushing-type assembling die, directly inner mold is assemblied in outer mold, when centre spinning cylinder cover starts, 400-450 DEG C of preheating is carried out to mould, mold heated expands, due to inner mold, to add thermal expansion larger, in warm, internal mold and external mold produce certain magnitude of interference, but due to external mold inwall, internal mold outer wall is circularity and straightness error problem in process, usually make the impossible all interference of the binding face between inner mold and outer mold, and produce certain gap (air) in local, therefore, when water-cooled metal mould centrifugal casting production cylinder jacket, these local gap are the non-conductor of heat, often make liner blank Local cooling slow, thus cause blank total quality inconsistent, cause foundary loss simultaneously, the raising of machining distortion waste product etc.
utility model content
This novel object is just to overcome above-mentioned deficiency, provides that a kind of thermal conductivity is even, structure simple, produce the centrifugal casting cylinder jacket combination mould that blank quality is stablized, percent defective is low.
For achieving the above object, this novel technical scheme is:
A kind of centrifugal casting cylinder jacket combination mould, described assembling die comprises inner mold and outer mold, is provided with one deck graphite linings between described inner mold and outer mold.
Further, as a kind of preferred version, described outer mold material is HT250, and the material of described inner mold is 21CrMo10 steel.
Further, the formation method of described graphite linings is:
1), at inner mold outer wall be coated with the thick graphite slurry of one deck 0.1 ~ 0.5mm, inner mold be assemblied in outer mold;
2), to mould carry out preheating, preheat temperature is 400 ~ 450 DEG C, and mold heated expands, extruded anisotropic graphite slurry;
3), graphite slurry sinters further and forms graphite linings in preheating and extrusion process.
Further, as a kind of preferred version, described graphite slurry is the mixture that pure water, binding agent and graphite powder mix and blend are formed.
Further, as a kind of preferred version, the thickness of described graphite linings is 0.02 ~ 0.1mm.
Compared with prior art, this new structure is simple, implementation cost is low, successful.Utilize the outer mold of assembling die and the inner mold inner mold expansion ratio outer mold when preheating large, graphite slurry is smeared at internal mold outer wall, when pre-hot extrusion, graphite slurry can fill up the gap between inside and outside mould, and sintering forms graphite linings further, make to fit between outer mold and inner mold tightr, due to the thermal conductivity that graphite linings is good, make heat conduction between inside and outside mould even, and then making the blank total quality produced consistent, the percent defective caused because of inhomogeneous cooling and deformation rate obviously reduce.
Accompanying drawing explanation
Fig. 1 is this novel structural principle schematic diagram.
Detailed description of the invention
Be further described originally novel below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of centrifugal casting cylinder jacket combination mould, described assembling die comprises inner mold 2 and outer mold 1, and being provided with a layer thickness between described inner mold 2 and outer mold 1 is 0.02 ~ 0.1mm graphite linings 3.Outer mold 1 material is HT250, and the material of described inner mold 2 is 21CrMo10 steel.
The formation method of graphite linings 3 is:
1), at inner mold 2 outer wall be coated with the thick graphite slurry of one deck 0.1 ~ 0.5mm, graphite slurry is the mixture that pure water, binding agent and graphite powder mix and blend are formed, and is assemblied in by inner mold 2 in outer mold 1;
2), to mould carry out preheating, preheat temperature is 400 ~ 450 DEG C, and mold heated expands, extruded anisotropic graphite slurry;
3), graphite slurry sinters further and forms graphite linings 3 in preheating and extrusion process.
In actual production, before centre spinning cylinder cover blank is produced, first be coated with the thick graphite slurry of one deck 0.1 ~ 0.5mm at inner mold 2 outer wall, then inner mold 2 is assemblied in outer mold 1, then preheating is carried out to mould, preheat temperature 400 ~ 450 DEG C, mold heated expands, and because inner mold 2 adds thermal expansion comparatively greatly, therefore extrudes graphite slurry, and sinter further in warm, between inner mold 2 and outer mold 1, form the thick graphite linings of one deck 0.02 ~ 0.1mm 3; When centrifugal casting is produced, melted high temperature iron liquid is proceeded in pouring cup 4, pouring basin 5 is poured into again by pouring cup, molten iron enters the inner mold 2 of High Rotation Speed through pouring basin 5, iron liquid forms liner blank under the influence of centrifugal force, cooled by sharp water pipe 6 pairs of outer molds 1 again, outer mold 1 is conducted to further because the heat of blank is conducted to middle graphite linings 3 by inner mold 2 by conduction of heat, the cooling water sprayed by sharp water pipe 6 is taken away, finally, cast blank is by pushing away cylinder dish ejection die.In the process, heat conducting uniformity directly affects the uniformity of liner blank total quality and foundary loss rate and machined percent defective.
Claims (3)
1. a centrifugal casting cylinder jacket combination mould, is characterized in that: described assembling die comprises inner mold and outer mold, is provided with one deck graphite linings between described inner mold and outer mold.
2. centrifugal casting cylinder jacket combination mould according to claim 1, is characterized in that: described outer mold material is HT250, and the material of described inner mold is 21CrMo10 steel.
3. centrifugal casting cylinder jacket combination mould according to claim 1, is characterized in that: the thickness of described graphite linings is 0.02 ~ 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493473.5U CN204148469U (en) | 2014-08-29 | 2014-08-29 | A kind of centrifugal casting cylinder jacket combination mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493473.5U CN204148469U (en) | 2014-08-29 | 2014-08-29 | A kind of centrifugal casting cylinder jacket combination mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204148469U true CN204148469U (en) | 2015-02-11 |
Family
ID=52506622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493473.5U Expired - Fee Related CN204148469U (en) | 2014-08-29 | 2014-08-29 | A kind of centrifugal casting cylinder jacket combination mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204148469U (en) |
-
2014
- 2014-08-29 CN CN201420493473.5U patent/CN204148469U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151019 Address after: 454750, Henan, Jiaozuo province Mengzhou industrial agglomeration zone Huaihai Road No. 69, the Central Plains within the group Limited by Share Ltd Patentee after: ZYNP Corp. Address before: Xi Guo Zhen Mengzhou city 454750 Henan city of Jiaozuo province Henan province ZYNP Casting Co. Ltd. Patentee before: HENAN ZHONGYUAN NEIPEI CASTING CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 |