CN201537689U - Metal die with replaceable inner tube - Google Patents
Metal die with replaceable inner tube Download PDFInfo
- Publication number
- CN201537689U CN201537689U CN2009200489968U CN200920048996U CN201537689U CN 201537689 U CN201537689 U CN 201537689U CN 2009200489968 U CN2009200489968 U CN 2009200489968U CN 200920048996 U CN200920048996 U CN 200920048996U CN 201537689 U CN201537689 U CN 201537689U
- Authority
- CN
- China
- Prior art keywords
- inner tube
- heat
- die
- die body
- metal die
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model relates to a metal die with a replaceable inner tube; a replaceable heat-resistant inner tube sleeve is embedded in the inner chamber of a die body; the linear expansion coefficients respectively generated by the heat-resistant inner tube sleeve and the die body are different, but the linear expansion coefficients in the heat-resistant inner tube sleeve and the die body are the same, thereby reducing the invalidation frequency of the die body; and the die body can be reused through replacing the heat-resistant inner tube sleeve so as to reduce the product and use cost.
Description
Affiliated technical field
The utility model relates to cover parts spun casting metal casting mould.
Background technology
At present, the cylinder jacket industry adopts spun casting more, the employed mould of spun casting all is a metal die, usually all be the material that adopts common grey iron, but because casting cycle adopts water cooling more, metal die is frequent is subjected to thermal shock, and the phenomenon of rupture of mould is very serious, service life is very short, and die cost accounts for the very big proportion of production cost.
Summary of the invention
The utility model provides a kind of novel interchangeable inner tube of a tyre formula metal die, and this mould can bear frequent thermal shock, improves the service life of mould.
The technical method that its technical problem that solves the utility model adopts is: during because of casting, though the inner chamber of metal die has heat insulation coating, but during casting, metal liquid is that very high heat is delivered to inner chamber, having caused has the very big temperature difference inside and outside the mould, mould inside and outside wall line expansion number is different, in casting cycle, frequent thermal shock like this is the main cause of mould fracture failure, by inlay a heat-resisting inner tube of a tyre cover at dies cavity, though different with the line expansion number that die ontology is produced separately because of heat-resisting inner tube of a tyre cover, still in inside separately, unanimity is counted in its line expansion.
The beneficial effects of the utility model are that the fracture failure of its mould reduces, the cost attenuating.
Description of drawings.
Below in conjunction with accompanying drawing the utility model is further described.
1. die ontologies among the figure, 2. positioning disk, 3. heat-resisting inner tube of a tyre cover.
Specific implementation method
As shown in the figure, positioning disk (2) plays the role of positioning in casting die, liner heatproof sleeve (3) is closely to be embedded in the die ontology (1), because of heat-resisting inner tube of a tyre cover (3) is to contact nearer with the casting molten iron, in casting cycle, the heat-resisting inner tube of a tyre cover (3) of casting die frequently is subjected to the thermal shock of molten iron, but unanimity is counted in the whole inside and outside wall expansion of heat-resisting inner tube of a tyre cover (3), in like manner, the inside and outside wall linear expansion coefficient of die ontology (1) also is consistent, thereby die ontology (1) and the attenuating of heat-resisting inner tube of a tyre cover (3) thermal destruction, and improve its service life, compare, if heat-resisting inner tube of a tyre cover (3) damages, just can pass through to change heat-resisting inner tube of a tyre cover (3) than the long service life of heat-resisting inner tube of a tyre cover (3) service life of die ontology (1), entire die body (1) can also be reused, so production cost lowers.
Claims (1)
1. an interchangeable inner tube of a tyre formula metal die is characterized in that inlaying a heat-resisting inner tube of a tyre cover in die ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200489968U CN201537689U (en) | 2009-11-02 | 2009-11-02 | Metal die with replaceable inner tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200489968U CN201537689U (en) | 2009-11-02 | 2009-11-02 | Metal die with replaceable inner tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201537689U true CN201537689U (en) | 2010-08-04 |
Family
ID=42589144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200489968U Expired - Fee Related CN201537689U (en) | 2009-11-02 | 2009-11-02 | Metal die with replaceable inner tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201537689U (en) |
-
2009
- 2009-11-02 CN CN2009200489968U patent/CN201537689U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20101102 |