CN204842909U - Local pressurized construction of die mould - Google Patents
Local pressurized construction of die mould Download PDFInfo
- Publication number
- CN204842909U CN204842909U CN201520578845.9U CN201520578845U CN204842909U CN 204842909 U CN204842909 U CN 204842909U CN 201520578845 U CN201520578845 U CN 201520578845U CN 204842909 U CN204842909 U CN 204842909U
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- China
- Prior art keywords
- compression mod
- cover half
- pressure boost
- partial pressure
- local
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a local pressurized construction of die mould, including cover half frame and mold core, be equipped with the pressure boost oil hydraulic cylinder on the cover half frame, be equipped with the pressure boost round pin on the pressure boost oil hydraulic cylinder, pressure boost round pin head enters into on the foundry goods of locating near the outer wall position of oil duct after passing the mold core of establishing on the cover half frame. The outer pressure boost guide pipe that is equipped with of pressure boost round pin. Better utilization in metal liquid solidifies terminal time frame, add a local pressure to local metal liquid application, better carry out the pressure adjustment to the oil duct wall thickness, reached the defect problem in effective solution micro hole, avoid producing the oil leak or the gas leakage defect takes place, has improved the product percent of pass on by a larger margin.
Description
Technical field
The utility model relates to a kind of mould structure, especially relates to a kind of mould structure be used in compression mod.
Background technology
Part of automobile engine is generally casting structure, and because automobile engine oil duct site pressure will require up to 10MPA, pore grade is PK4; But due to part of automobile engine, to there is wall unevenness even, some local need blocked up requirement, as blocked up in oil duct local wall thickness, product average wall thickness 5mm, foundry goods 20 then reaches the thickness (see figure 3) of 13mm in oil duct 21 local wall thickness, and this wall thickness crosses the thick structure then easy shrinkage cavity phenomenon that produces on foundry goods, cause making part of automobile engine produce gas leak of the oil leakage phenomenon and occur.
The day for announcing is on June 17th, 2015, notification number is that CN204403034U discloses and the utility model discloses the two bar extrusion oil cylinder of a kind of compression mod, comprise the cylinder body of back-end closure, be fixed on the end cap of cylinder body front end, piston rod and piston, described cylinder body at least has the inner chamber of two axis being parallel, piston rod to be arranged in described inner chamber and to stretch out outside cylinder body, piston is fixed on described piston rod rear end and internal chamber wall is slidably matched, cylinder body is provided with main fuel feed hole, what be communicated with main fuel feed hole supplies oil duct, described is provided with between oil duct and described inner chamber the branch road oil duct providing hydraulic oil to realize piston rod movement to inner chamber.This utility model by arranging two or more inner chambers in cylinder body, and in inner chamber relative set piston, piston rod, although multiple plug or slide block can be connected thus, promotion plug or slide block stretch into compression mod inner chamber liquid towards die-casting material and carry out squeeze job, thus simplify the overall structure of oil cylinder, improve operating efficiency.But also exist equally because oil duct local wall thickness is blocked up, easily on foundry goods, produce shrinkage cavity phenomenon, cause making part of automobile engine produce gas leak of the oil leakage phenomenon and occur.
Utility model content
The utility model is even for the existing part of automobile engine of solution also exists wall unevenness, easily on foundry goods, produces shrinkage cavity phenomenon.Cause that part of automobile engine produces the present situation such as leakage of oil or gas leak phenomenon generation and the one that provides avoids producing shrinkage cavity on foundry goods, avoid producing leakage of oil or Air Leakage Defect, improve the compression mod partial Pressure structure of product percent of pass.
The utility model for solving the problems of the technologies described above adopted concrete technical scheme is: a kind of compression mod partial Pressure structure, comprise cover half framework and core rod, it is characterized in that: on cover half framework, be provided with pressurised oil cylinder pressure, pressurised oil cylinder pressure is provided with supercharging pin, supercharging pin head part, through after the core rod be located on cover half framework, enters on the foundry goods at position near the outer wall of oil duct.Better make use of in molten metal solidification end time range, a local pressure is applied to local molten metal, better pressure adjustment is carried out to oil duct wall thickness, reach the defect problem effectively solving micro hole, avoid producing leakage of oil or Air Leakage Defect generation, by a larger margin, improve product percent of pass.
As preferably, outside described supercharging pin, be provided with supercharging pin sleeve.Alleviate the actuating pressure reducing supercharging pin local and bear, the damage phenomenon reducing supercharging pin occurs.
As preferably, described supercharging pin head part is provided with tapered configuration.Alleviate the actuating pressure reducing supercharging pin local and bear, the damage phenomenon reducing supercharging pin occurs.
As preferably, described supercharging pin top is provided with the angle of falling R.Alleviate the actuating pressure reducing supercharging pin local and bear, the damage phenomenon reducing supercharging pin occurs.
As preferably, described pressurised oil cylinder pressure internal diameter 40 ~ 50mm.
As preferably, actuation time of described pressurised oil cylinder pressure, comparatively compression mod had individual time lag poor inject time.Preferred further, it's 2 ~ 10 seconds tos described time lag.Improve supercharging to the regulating effect of oil duct wall thickness.
The beneficial effects of the utility model are: better make use of in molten metal solidification end time range, a local pressure is applied to local molten metal, reach the defect problem effectively solving micro hole, avoid producing leakage of oil or Air Leakage Defect generation, by a larger margin, improve product percent of pass.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of the preferred embodiment of the utility model compression mod partial Pressure structure.
Fig. 2 is the utility model compression mod partial Pressure structure partial structure for amplifying schematic diagram.
Fig. 3 is the casting structure schematic diagram of existing part of automobile engine.
Detailed description of the invention
In embodiment shown in Fig. 1, Fig. 2, a kind of compression mod partial Pressure structure, comprise cover half framework and core rod, on cover half framework, 10 are provided with pressurised oil cylinder pressure 32, pressurised oil cylinder pressure is provided with supercharging pin 30, supercharging pin 30 head, through after the core rod 11 be arranged on cover half framework 10, enters on the foundry goods at position 22 near the wall thickness outer wall of oil duct 21.Outside described supercharging pin 30, supercharging pin sleeve 31 is installed.Described supercharging pin head part is provided with tapered configuration.Be formed with the supercharging pin head part structure of inclination tapering.Described supercharging pin top is provided with the angle of falling R.Described pressurised oil cylinder pressure internal diameter 40 ~ 50mm.Described pressurised oil cylinder pressure actuation time, comparatively compression mod had individual time lag poor inject time.Preferred further, it's 2 ~ 10 seconds tos described time lag.
Although more employ the terms such as cover half framework, core rod, pressurised oil cylinder pressure, supercharging pin, supercharging pin sleeve herein; But do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (7)
1. a compression mod partial Pressure structure, comprise cover half framework and core rod, it is characterized in that: on cover half framework, be provided with pressurised oil cylinder pressure, pressurised oil cylinder pressure is provided with supercharging pin, supercharging pin head part, through after the core rod be located on cover half framework, enters on the foundry goods at position near the outer wall of oil duct.
2. according to compression mod partial Pressure structure according to claim 1, it is characterized in that: outside described supercharging pin, be provided with supercharging pin sleeve.
3. according to compression mod partial Pressure structure according to claim 1, it is characterized in that: described supercharging pin head part is provided with tapered configuration.
4. according to the compression mod partial Pressure structure described in claim 1 or 2 or 3, it is characterized in that: described supercharging pin top is provided with the angle of falling R.
5. according to compression mod partial Pressure structure according to claim 1, it is characterized in that: described pressurised oil cylinder pressure internal diameter 40 ~ 50mm.
6. according to compression mod partial Pressure structure according to claim 1, it is characterized in that: actuation time of described pressurised oil cylinder pressure, comparatively compression mod had individual time lag poor inject time.
7., according to compression mod partial Pressure structure according to claim 6, it is characterized in that: it's 2 ~ 10 seconds tos described time lag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578845.9U CN204842909U (en) | 2015-08-05 | 2015-08-05 | Local pressurized construction of die mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578845.9U CN204842909U (en) | 2015-08-05 | 2015-08-05 | Local pressurized construction of die mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204842909U true CN204842909U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520578845.9U Expired - Fee Related CN204842909U (en) | 2015-08-05 | 2015-08-05 | Local pressurized construction of die mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204842909U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689682A (en) * | 2016-04-06 | 2016-06-22 | 浙江工业大学 | Oblique drawing core hole local extrusion die-casting die structure and molding process |
| CN105903922A (en) * | 2016-06-16 | 2016-08-31 | 中信戴卡股份有限公司 | Local extrusion device used for high-pressure casting |
| CN106041021A (en) * | 2016-07-11 | 2016-10-26 | 肇庆高新区鸿胜模具制造有限公司 | Local pressurizing structure of high-air-sealed die-casting die |
| CN106392033A (en) * | 2016-06-16 | 2017-02-15 | 中信戴卡股份有限公司 | Local extrusion method used for high-pressure casting |
-
2015
- 2015-08-05 CN CN201520578845.9U patent/CN204842909U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689682A (en) * | 2016-04-06 | 2016-06-22 | 浙江工业大学 | Oblique drawing core hole local extrusion die-casting die structure and molding process |
| CN105903922A (en) * | 2016-06-16 | 2016-08-31 | 中信戴卡股份有限公司 | Local extrusion device used for high-pressure casting |
| CN106392033A (en) * | 2016-06-16 | 2017-02-15 | 中信戴卡股份有限公司 | Local extrusion method used for high-pressure casting |
| US10201850B2 (en) | 2016-06-16 | 2019-02-12 | Citic Dicastal Co., Ltd. | Local extrusion device for high-pressure casting |
| CN106041021A (en) * | 2016-07-11 | 2016-10-26 | 肇庆高新区鸿胜模具制造有限公司 | Local pressurizing structure of high-air-sealed die-casting die |
| CN106041021B (en) * | 2016-07-11 | 2017-12-29 | 肇庆高新区鸿胜模具制造有限公司 | A kind of pressurized structure of high-air-tightness die casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20190805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |