CN210587017U - Exhaust insert of water jacket sand core casting mould - Google Patents
Exhaust insert of water jacket sand core casting mould Download PDFInfo
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- CN210587017U CN210587017U CN201921243428.3U CN201921243428U CN210587017U CN 210587017 U CN210587017 U CN 210587017U CN 201921243428 U CN201921243428 U CN 201921243428U CN 210587017 U CN210587017 U CN 210587017U
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- exhaust
- water jacket
- top surface
- auxiliary
- sand core
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Abstract
The utility model discloses a water jacket psammitolite casting die's exhaust is inserted, including the ejector pin, be located the supplementary exhaust portion in the ejector pin circumference outside, supplementary exhaust portion is equipped with a plurality of air discharge ducts and exhaust passage, can provide more exhaust ways through the air discharge duct and the exhaust passage of supplementary exhaust portion, improves exhaust efficiency in order to reduce the bubble problem in water jacket psammitolite casting process, improves the shaping quality of water jacket psammitolite.
Description
Technical Field
The utility model relates to a water jacket psammitolite casting mould field.
Background
Referring to figure 1, there is shown a top bar assembly of the type commonly used in the art, the top bar assembly 1 'being mounted in a foundry mould 2' of a sand-jacketed core and abutting below the sand-jacketed core 3 'during the casting of the sand-jacketed core 3'. However, in the casting process, many water jacket sand cores are not well cast and formed, particularly, many bubbles appear, and after analysis, redundant air in the side forming process of the die is not completely discharged by utilizing the gaps of the existing ejector rods and ejector rod holes. Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an object of the utility model is to provide a water jacket psammitolite casting mould's exhaust is inserted, can solve the not smooth problem of water jacket psammitolite casting in-process exhaust.
The technical scheme is as follows: an exhaust insert of a water jacket sand core casting mold comprises a top rod and an auxiliary exhaust part located on the outer side of the circumferential direction of the top rod, wherein the top surface of the auxiliary exhaust part and the top surface of the top rod are located at the same height; the top surface of the auxiliary exhaust part is provided with a plurality of exhaust grooves, the inside of the auxiliary exhaust part is provided with an exhaust channel which downwards penetrates through the bottom of the auxiliary exhaust part, and the exhaust grooves are communicated with the exhaust channel.
Has the advantages that: the utility model provides an exhaust insert and be equipped with supplementary exhaust portion in the ejector pin periphery, can provide more exhaust ways through the air discharge duct and the exhaust passage of supplementary exhaust portion, improve exhaust efficiency in order to reduce the bubble problem in the casting process of sand core of water jacket, improve sand core of water jacket's shaping quality.
Furthermore, the ejector rod is hollow, and the top surface of the ejector rod is also provided with an exhaust groove.
Furthermore, the top surfaces of the ejector rod and the auxiliary exhaust part are used for jointly ejecting the sand core.
Further, the exhaust insert is of an axisymmetric structure.
Further, the width of the exhaust groove on the top surface of the auxiliary exhaust part is 0.2 mm.
Drawings
FIG. 1 is a schematic view of a prior art ejector pin used in a mold;
FIG. 2 is a sectional view of the exhaust insert of the present invention;
fig. 3 is a schematic diagram of the exhaust insert of the present invention applied in a mold.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIG. 2, the present embodiment discloses an exhaust insert of a water jacket sand core casting mold, which comprises a top rod 1 and an auxiliary exhaust part 2 located at the circumferential outer side of the top rod 1, wherein the top surface of the auxiliary exhaust part 2 is located at the same height as the top surface of the top rod. I.e., the top surface of the integral exhaust insert is a continuous flat surface. The top surface of the auxiliary exhaust part 2 is provided with a plurality of exhaust grooves 21. The inside of the auxiliary exhaust part 2 is provided with an exhaust channel 22 which downwards penetrates through the bottom of the auxiliary exhaust part, and the exhaust groove 21 is communicated with the exhaust channel 22. Similarly, the ejector rod has the function of exhausting air, the ejector rod 1 is hollow, and the top surface of the ejector rod 1 is also provided with an exhaust groove 11. Preferably, the exhaust insert is of an axisymmetric structure, and the width of the exhaust groove on the top surface of the auxiliary exhaust part is 0.2 mm.
As shown in fig. 3, when the exhaust insert is used in a water-jacketed sand core casting mold 3, the top surface of the ejector rod 1 and the auxiliary exhaust part 2 are used to jointly eject the sand core 4. The exhaust grooves 11 and 21 on the upper surface of the exhaust insert can play an exhaust role, so that the exhaust efficiency in unit time is improved, and the sand core is formed compactly.
Claims (5)
1. The exhaust insert of the water jacket sand core casting mould is characterized by comprising an ejector rod and an auxiliary exhaust part positioned on the circumferential outer side of the ejector rod, wherein the top surface of the auxiliary exhaust part and the top surface of the ejector rod are positioned at the same height; the top surface of the auxiliary exhaust part is provided with a plurality of exhaust grooves, the inside of the auxiliary exhaust part is provided with an exhaust channel which downwards penetrates through the bottom of the auxiliary exhaust part, and the exhaust grooves are communicated with the exhaust channel.
2. The exhaust insert according to claim 1, wherein the ejector pin is hollow and the top surface of the ejector pin is also provided with an exhaust groove.
3. The exhaust insert according to claim 1, wherein the ejector pin and the top surface of the auxiliary exhaust portion are configured to jointly eject the sand core.
4. The exhaust insert according to claim 3, wherein the exhaust insert is of an axisymmetric configuration.
5. The exhaust insert according to any one of claims 1 to 4, wherein the exhaust groove width of the top surface of the auxiliary exhaust portion is 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243428.3U CN210587017U (en) | 2019-08-02 | 2019-08-02 | Exhaust insert of water jacket sand core casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243428.3U CN210587017U (en) | 2019-08-02 | 2019-08-02 | Exhaust insert of water jacket sand core casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210587017U true CN210587017U (en) | 2020-05-22 |
Family
ID=70685452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243428.3U Active CN210587017U (en) | 2019-08-02 | 2019-08-02 | Exhaust insert of water jacket sand core casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210587017U (en) |
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2019
- 2019-08-02 CN CN201921243428.3U patent/CN210587017U/en active Active
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