CN214023440U - Manual ejection device for sand core of sand casting mold - Google Patents
Manual ejection device for sand core of sand casting mold Download PDFInfo
- Publication number
- CN214023440U CN214023440U CN202022904459.8U CN202022904459U CN214023440U CN 214023440 U CN214023440 U CN 214023440U CN 202022904459 U CN202022904459 U CN 202022904459U CN 214023440 U CN214023440 U CN 214023440U
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- China
- Prior art keywords
- ejector rod
- sand
- gasket
- die
- casting mold
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Abstract
The utility model provides a manual ejection device for sand cores of a sand casting mold, which can perform ejection operation on an individual region when the sand cores of a small sand casting mold are difficult to take out, so as to take out the sand cores, and realize automatic reset for the device, so as to be practical next time; a sand core manual ejection device of a sand casting mold comprises a lower mold 1, a spring 2, a gasket 3 and an ejector rod 4; the middle part of the upper surface of the die 1 is a cavity part, and the central part of the die 1 is provided with an ejector rod 4; the top of the ejector rod 4 penetrates through the die 1; the spring 2 is sleeved on the ejector rod 4; the gasket 3 is sleeved on the ejector rod 4; two ends of the spring 2 respectively abut against the lower surface of the die 1 and the upper surface of the gasket 3; the outer surface of the ejector rod 4 is provided with threads; the inner surface of the gasket 3 is provided with threads; the utility model has the advantages that: the efficiency of the psammitolite is taken out is improved, conveniently takes out the psammitolite, and simple structure, easy operation.
Description
Technical Field
The utility model mainly relates to the technical field of dies, especially, relate to a manual ejecting device of sand mould psammitolite.
Background
In the metallurgical industry, a sand casting mold is a mold for casting cast iron in an iron-making process, and is one of casting molds.
Published chinese utility model patent, application No. CN201621282413.4, patent name: a foundry mold, filing date: 20161128, the utility model relates to a founding mould, include the lower mould and go up the mould, the lower mould includes rack and psammitolite, the rack in laid the molding sand, the molding sand form and be used for placing the chamber that holds of psammitolite, go up the mould and be connected characterized by with the rack: the side of rack on seted up a plurality of mounting hole, every the mounting hole in all wear to be equipped with the locating lever, the locating lever is contradicted with the molding sand and is set up, has reached the difficult purpose that takes place to collapse of messenger's molding sand.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect of prior art, the utility model provides a manual ejecting device of sand mould psammitolite can carry out ejecting operation to independent region when small-size sand mould psammitolite takes out the difficulty to take out the psammitolite, and realize automatic re-setting to the device, so that next time practical.
The utility model provides a sand core manual ejection device of a sand casting mold, which comprises a lower mold 1, a spring 2, a gasket 3 and an ejector rod 4;
the middle part of the upper surface of the die 1 is a cavity part, and the central part of the die 1 is provided with an ejector rod 4; the top of the ejector rod 4 penetrates through the die 1; the spring 2 is sleeved on the ejector rod 4; the gasket 3 is sleeved on the ejector rod 4; two ends of the spring 2 respectively abut against the lower surface of the die 1 and the upper surface of the gasket 3; the outer surface of the ejector rod 4 is provided with threads; the inner surface of the gasket 3 is provided with threads.
The utility model has the advantages that: the efficiency of the psammitolite is taken out is improved, conveniently takes out the psammitolite, and simple structure, easy operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a lower die; 2. a spring; 3. a gasket; 4. and a push rod.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way.
The utility model provides a sand core manual ejection device of a sand casting mold, which comprises a lower mold 1, a spring 2, a gasket 3 and an ejector rod 4;
the middle part of the upper surface of the die 1 is a cavity part, and the central part of the die 1 is provided with an ejector rod 4; the top of the ejector rod 4 penetrates through the die 1; the spring 2 is sleeved on the ejector rod 4; the gasket 3 is sleeved on the ejector rod 4; two ends of the spring 2 respectively abut against the lower surface of the die 1 and the upper surface of the gasket 3; the outer surface of the ejector rod 4 is provided with threads; the inner surface of the gasket 3 is provided with threads.
The utility model is suitable for a mould straight face is more, and the psammitolite is little and fragile can't be through beating when taking out. The utility model discloses a threaded hole gasket 3, threaded ejector pin 4 can make things convenient for the modification and the change in later stage, embolias spring 2 simultaneously on the ejector pin, can realize resetting, the required operation of the manpower that significantly reduces after ejecting completion.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (1)
1. A manual sand core ejection device for a sand casting mold comprises a lower mold (1), a spring (2), a gasket (3) and an ejector rod (4);
it is characterized in that the preparation method is characterized in that,
the middle part of the upper surface of the die (1) is a cavity part, and the central part of the die (1) is provided with an ejector rod (4); the top of the ejector rod (4) penetrates through the die (1); the spring (2) is sleeved on the ejector rod (4); the gasket (3) is sleeved on the ejector rod (4); two ends of the spring (2) respectively abut against the lower surface of the die (1) and the upper surface of the gasket (3); the outer surface of the ejector rod (4) is provided with threads; the inner surface of the gasket (3) is provided with threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022904459.8U CN214023440U (en) | 2020-12-07 | 2020-12-07 | Manual ejection device for sand core of sand casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022904459.8U CN214023440U (en) | 2020-12-07 | 2020-12-07 | Manual ejection device for sand core of sand casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214023440U true CN214023440U (en) | 2021-08-24 |
Family
ID=77384450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022904459.8U Active CN214023440U (en) | 2020-12-07 | 2020-12-07 | Manual ejection device for sand core of sand casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214023440U (en) |
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2020
- 2020-12-07 CN CN202022904459.8U patent/CN214023440U/en active Active
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