CN204818005U - Low pressure metal casting mold - Google Patents
Low pressure metal casting mold Download PDFInfo
- Publication number
- CN204818005U CN204818005U CN201520376464.2U CN201520376464U CN204818005U CN 204818005 U CN204818005 U CN 204818005U CN 201520376464 U CN201520376464 U CN 201520376464U CN 204818005 U CN204818005 U CN 204818005U
- Authority
- CN
- China
- Prior art keywords
- mould
- low pressure
- pressure metal
- metal casting
- patrix
- 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.)
- Withdrawn - After Issue
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- Casting Devices For Molds (AREA)
Abstract
The utility model relates to a low pressure metal casting mold, including last mould and lower mould, go up the mould and be located the lower mould top, go up mould and lower mould handing -over department and be equipped with a plurality of sand covers, the inside rising head that all is equipped with of every sand cover, handing -over department of every rising head and sand cover is all filled in and is had asbestos, the lower mould bottom is equipped with the runner, the interlude has the ejector pin in going up the mould. Last mould and the material of lower mould be mould steel or cast iron. Asbestos thickness be 3 -5mm. A low pressure metal casting mold make the casting qualification rate bring up to 99.8% by original 60%, the effect is very obvious, thoroughly solves the angle draw of this type of foundry goods flange root R, the concave shrinkage depression problem of flange end reduction of area.
Description
Technical field
The utility model relates to mould applications, particularly relates to a kind of low pressure metal casting mould.
Background technology
Easily there is the problem that top is thick greatly, hot-spot easily produces shrinkage porosite, puncture, draw in metal mold low pressure metal foundry goods, we devise a kind of mould can avoiding these problems for this reason, a kind of low pressure metal casting mould.
Utility model content
In order to solve metal mold low pressure metal foundry goods, problem that the utility model easily occurs that top is thick greatly, hot-spot easily produces shrinkage porosite, puncture, draw, and a kind of low pressure metal casting mould is provided.
The utility model for achieving the above object, provides a kind of low pressure metal casting mould, comprises upper die and lower die, patrix is positioned at above counterdie, upper die and lower die junction is provided with a plurality of sand cover, and each sand cover inside is provided with rising head, and the junction of each rising head and sand cover is plugged with asbestos; Counterdie bottom is provided with cast gate; Push rod is interspersed with in patrix.
The material of described upper die and lower die is mould steel or cast iron.
Described asbestos thickness is 3-5mm.
The beneficial effects of the utility model are: a kind of low pressure metal of the utility model casting mould makes casting qualification rate bring up to 99.8% by original 60%, and effect clearly, thoroughly solves this type of casting flange root R angle draw, end face of flange puncture shrinkage depression problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of low pressure metal casting mould described in the utility model;
Wherein: 1-patrix; 2-asbestos; 3-rising head; 4-sand cover; 5-foundry goods upper flange limit; 6-counterdie; 7-cast gate; 8-push rod; 9-foundry goods body.
Detailed description of the invention
Be described in detail with reference to accompanying drawing below with reference to embodiment of the present utility model.
A kind of low pressure metal casting mould, comprise patrix 1 and counterdie 6, patrix 1 is positioned at above counterdie 6, and patrix 1 and counterdie 6 junction are provided with a plurality of sand cover 4, and each sand overlaps 4 inside and is provided with rising head 3, and the junction of each rising head 3 and sand cover 4 is plugged with asbestos 2; Counterdie 6 bottom is provided with cast gate 7; Push rod 8 is interspersed with in patrix 1.
Described patrix 1 and the material of counterdie 6 are mould steel or cast iron.
Described asbestos 2 thickness is 3-5mm.
Asbestos 2 are placed on sand and overlap 4 inner chamber top side location, manual by smooth for subsequent use, open patrix 1, the sand cover 3 putting asbestos 2 is placed on patrix 1 in corresponding hole, close tight patrix 1 and counterdie 6, metal liquid fills the die cavity of patrix 1 and counterdie 6, after aluminum alloy melt solidifies by cast gate 7, open patrix 1, eject foundry goods 9 by push rod 8.
The coefficient of heat conduction of sand cover 4 only has 1/10th of patrix 1 and counterdie 6, can be incubated.The end face of sand cover 4 has put again asbestos 2, and asbestos 2 conduct heat hardly, in turn ensure that the metal liquid temperature of rising head 3 top side location is the highest concerning rising head 3 like this, and consecutive solidification when meeting the feeding of casting technique requirement is theoretical.Because foundry goods upper flange limit 5 is very greatly thick, Feeding channel very thin (solidifying very fast), cast gate aluminium liquid cannot carry out feeding, make this place shrinkage porosite very serious, by at the corresponding local uniform multiple sand cover 4 of the mould of foundry goods upper flange limit 5 correspondence, rising head 3 and asbestos 2, thoroughly solve this problem.
Claims (3)
1. a low pressure metal casting mould, comprise patrix (1) and counterdie (6), patrix (1) is positioned at counterdie (6) top, it is characterized in that, patrix (1) and counterdie (6) junction are provided with a plurality of sand cover (4), each sand cover (4) inside is provided with rising head (3), and the junction of each rising head (3) and sand cover (4) is plugged with asbestos (2); Counterdie (6) bottom is provided with cast gate (7); Push rod (8) is interspersed with in patrix (1).
2. a kind of low pressure metal casting mould according to claim 1, is characterized in that, described patrix (1) and the material of counterdie (6) are mould steel or cast iron.
3. a kind of low pressure metal casting mould according to claim 2, is characterized in that, described asbestos (2) thickness is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376464.2U CN204818005U (en) | 2015-06-03 | 2015-06-03 | Low pressure metal casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376464.2U CN204818005U (en) | 2015-06-03 | 2015-06-03 | Low pressure metal casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204818005U true CN204818005U (en) | 2015-12-02 |
Family
ID=54675647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520376464.2U Withdrawn - After Issue CN204818005U (en) | 2015-06-03 | 2015-06-03 | Low pressure metal casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204818005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889362A (en) * | 2015-06-03 | 2015-09-09 | 天津市航宇金属加工有限公司 | Low-pressure metal casting die |
-
2015
- 2015-06-03 CN CN201520376464.2U patent/CN204818005U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889362A (en) * | 2015-06-03 | 2015-09-09 | 天津市航宇金属加工有限公司 | Low-pressure metal casting die |
| CN104889362B (en) * | 2015-06-03 | 2017-10-10 | 天津市航宇嘉瑞科技股份有限公司 | A kind of low pressure metal casting mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301800 Baodi Economic Development Zone, Tianjin Road on the north side (No. 19) Patentee after: Tianjin HangYu Jia Rui Polytron Technologies Inc Address before: 301800 Baodi Economic Development Zone, Tianjin Road on the north side (No. 19) Patentee before: Tianjin space flight Metal Process |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20171010 |